* Re: [patch net v2 2/3] ip6_output: do skb ufo init for peeked non ufo skb as well
From: Hannes Frederic Sowa @ 2013-10-19 21:06 UTC (permalink / raw)
To: Jiri Pirko
Cc: netdev, davem, eric.dumazet, jdmason, yoshfuji, kuznet, jmorris,
kaber, herbert
In-Reply-To: <1382178557-14737-3-git-send-email-jiri@resnulli.us>
On Sat, Oct 19, 2013 at 12:29:16PM +0200, Jiri Pirko wrote:
> Now, if user application does:
> sendto len<mtu flag MSG_MORE
> sendto len>mtu flag 0
> The skb is not treated as fragmented one because it is not initialized
> that way. So move the initialization to fix this.
>
> introduced by:
> commit e89e9cf539a28df7d0eb1d0a545368e9920b34ac "[IPv4/IPv6]: UFO Scatter-gather approach"
>
> Signed-off-by: Jiri Pirko <jiri@resnulli.us>
Acked-by: Hannes Frederic Sowa <hannes@stressinduktion.org>
^ permalink raw reply
* Re: [PATCH net-next 5/6] ipip: add GSO/TSO support
From: Dmitry Kravkov @ 2013-10-19 21:00 UTC (permalink / raw)
To: Eric Dumazet
Cc: David S. Miller, netdev@vger.kernel.org, Jerry Chu, Tom Herbert
In-Reply-To: <1382208178-22347-6-git-send-email-edumazet@google.com>
> diff --git a/net/ipv4/gre_offload.c b/net/ipv4/gre_offload.c
> index 55e6bfb..e5d4361 100644
> --- a/net/ipv4/gre_offload.c
> +++ b/net/ipv4/gre_offload.c
> @@ -39,7 +39,8 @@ static struct sk_buff *gre_gso_segment(struct sk_buff *skb,
> SKB_GSO_UDP |
> SKB_GSO_DODGY |
> SKB_GSO_TCP_ECN |
> - SKB_GSO_GRE)))
> + SKB_GSO_GRE |
> + SKB_GSO_IPIP)))
> goto out;
Why GRE needs this bit?
^ permalink raw reply
* Re: [BUG] v3.12-rc5-139-gbdeeab6 assertion failed at drivers/net/bonding/bond_main.c (3398)
From: Veaceslav Falico @ 2013-10-19 20:52 UTC (permalink / raw)
To: Thomas Glanzmann
Cc: netdev, Jay Vosburgh, Andy Gospodarek, Nikolay Aleksandrov,
David S. Miller
In-Reply-To: <20131019202702.GA8354@glanzmann.de>
On Sat, Oct 19, 2013 at 10:27:02PM +0200, Thomas Glanzmann wrote:
>Hello,
>I'm referring to commit 7864a1adf7291993d74923fdd0a45459ce9da27e. I just
>checked out the tip from Linus tree compiled it and run it on Debian Wheezy
>with 4 1 GBIT NICs, two connected to one switch and two to another. I
>configured bonding to use tlb. On the ports is one untagged and one
>tagged VLAN. When I boot the kernel even if only one NIC is attached I
>get multiple failed assertions:
>
...snip...
>[ 19.080783] RTNL: assertion failed at drivers/net/bonding/bond_main.c (3398)
>[ 19.080868] CPU: 4 PID: 0 Comm: swapper/4 Not tainted 3.12.0-rc5+ #1
>[ 19.080944] Hardware name: Supermicro X9SRD-F/X9SRD-F, BIOS 1.0a 10/15/2012
>[ 19.081022] 0000000000000000 0000000000000000 ffffffff81373aba ffff88103e1a0000
>[ 19.081316] ffffffffa040aea2 ffff88103e1a0000 0000000000000000 ffff88103e1a0000
>[ 19.081607] ffffffff812c54f5 00000000ffffffff ffff88107fc83c90 ffff88107f000480
>[ 19.081912] Call Trace:
>[ 19.081982] <IRQ> [<ffffffff81373aba>] ? dump_stack+0x41/0x51
>[ 19.082176] [<ffffffffa040aea2>] ? bond_set_rx_mode+0x2d/0xa7 [bonding]
>[ 19.082258] [<ffffffff812c54f5>] ? __dev_mc_add+0x48/0x59
>[ 19.082337] [<ffffffff8134d4ee>] ? igmp6_group_added+0x65/0x17d
>[ 19.082418] [<ffffffff810fc836>] ? kmem_cache_alloc_trace+0xbb/0xcb
>[ 19.082497] [<ffffffff8134e7dd>] ? ipv6_dev_mc_inc+0x20e/0x236
>[ 19.082578] [<ffffffff81339f70>] ? addrconf_join_solict+0x2e/0x33
>[ 19.082656] [<ffffffff81332e22>] ? ipv6_dev_ac_inc+0x131/0x16f
>[ 19.082735] [<ffffffff81336f67>] ? addrconf_join_anycast+0x38/0x3e
>[ 19.082814] [<ffffffff8133a0b1>] ? __ipv6_ifa_notify+0x106/0x234
>[ 19.082893] [<ffffffff8133a20d>] ? ipv6_ifa_notify+0x2e/0x37
>[ 19.082971] [<ffffffff8133a660>] ? addrconf_dad_completed+0x32/0x185
>[ 19.083050] [<ffffffff8133a874>] ? addrconf_dad_timer+0xc1/0x13c
>[ 19.083129] [<ffffffff8133a7b3>] ? addrconf_dad_completed+0x185/0x185
>[ 19.083210] [<ffffffff81040613>] ? call_timer_fn+0x4b/0xf6
>[ 19.083288] [<ffffffff8133a7b3>] ? addrconf_dad_completed+0x185/0x185
>[ 19.083367] [<ffffffff81040c04>] ? run_timer_softirq+0x189/0x1ce
>[ 19.083448] [<ffffffff8107c7dd>] ? tick_sched_do_timer+0x25/0x25
>[ 19.083527] [<ffffffff8103ad68>] ? __do_softirq+0xe8/0x201
>[ 19.083606] [<ffffffff81075d98>] ? ktime_get+0x5f/0x6b
>[ 19.083682] [<ffffffff8107afca>] ? clockevents_program_event+0x9a/0xb6
>[ 19.083761] [<ffffffff8137df5c>] ? call_softirq+0x1c/0x30
>[ 19.083839] [<ffffffff81003b7c>] ? do_softirq+0x2c/0x60
>[ 19.083916] [<ffffffff8103af46>] ? irq_exit+0x3b/0x7f
>[ 19.083994] [<ffffffff81023b19>] ? smp_apic_timer_interrupt+0x2c/0x37
>[ 19.084074] [<ffffffff8137d48a>] ? apic_timer_interrupt+0x6a/0x70
>[ 19.084149] <EOI> [<ffffffff8129a6b1>] ? cpuidle_enter_state+0x43/0xa6
>[ 19.084330] [<ffffffff8129a6aa>] ? cpuidle_enter_state+0x3c/0xa6
>[ 19.084408] [<ffffffff8129a7e6>] ? cpuidle_idle_call+0xd2/0x142
>[ 19.084486] [<ffffffff81008ff9>] ? arch_cpu_idle+0x6/0x17
>[ 19.084563] [<ffffffff8106f7e9>] ? cpu_startup_entry+0x10d/0x180
>[ 19.084641] [<ffffffff8137780c>] ? _raw_spin_unlock_irqrestore+0x6/0x7
>[ 19.084726] [<ffffffff810226dd>] ? start_secondary+0x1df/0x1e5
Fixed in commit b32418705107265dfca5edfe2b547643e53a732e ("bonding: RCUify
bond_set_rx_mode()") net-next. It should get into mainline soon.
...snip...
>Howto reproduce:
>
> - Build the kernel from Torvalds tip
> - Configure bonding with tlb with one NIC.
>
>auto bond0
>iface bond0 inet static
> address ...
> netmask ...
> network ...
> broadcast ...
> gateway ...
> bond-mode balance-tlb
> bond-miimon 100
> slaves eth0
> # eth1 eth2 eth3
>
>Cheers,
> Thomas
^ permalink raw reply
* Re: [patch net v2 1/3] udp6: respect IPV6_DONTFRAG sockopt in case there are pending frames
From: Hannes Frederic Sowa @ 2013-10-19 20:45 UTC (permalink / raw)
To: Jiri Pirko
Cc: netdev, davem, eric.dumazet, jdmason, yoshfuji, kuznet, jmorris,
kaber, herbert
In-Reply-To: <1382178557-14737-2-git-send-email-jiri@resnulli.us>
On Sat, Oct 19, 2013 at 12:29:15PM +0200, Jiri Pirko wrote:
> if up->pending != 0 dontfrag is left with default value -1. That
> causes that application that do:
> sendto len>mtu flag MSG_MORE
> sendto len>mtu flag 0
> will receive EMSGSIZE errno as the result of the second sendto.
>
> This patch fixes it by respecting IPV6_DONTFRAG socket option.
>
> introduced by:
> commit 4b340ae20d0e2366792abe70f46629e576adaf5e "IPv6: Complete IPV6_DONTFRAG support"
>
> Signed-off-by: Jiri Pirko <jiri@resnulli.us>
Acked-by: Hannes Frederic Sowa <hannes@stressinduktion.org>
^ permalink raw reply
* [BUG] v3.12-rc5-139-gbdeeab6 assertion failed at drivers/net/bonding/bond_main.c (3398)
From: Thomas Glanzmann @ 2013-10-19 20:27 UTC (permalink / raw)
To: netdev
Cc: Jay Vosburgh, Andy Gospodarek, Nikolay Aleksandrov,
Veaceslav Falico, David S. Miller
Hello,
I'm referring to commit 7864a1adf7291993d74923fdd0a45459ce9da27e. I just
checked out the tip from Linus tree compiled it and run it on Debian Wheezy
with 4 1 GBIT NICs, two connected to one switch and two to another. I
configured bonding to use tlb. On the ports is one untagged and one
tagged VLAN. When I boot the kernel even if only one NIC is attached I
get multiple failed assertions:
[ 0.000000] Initializing cgroup subsys cpuset
[ 0.000000] Initializing cgroup subsys cpu
[ 0.000000] Initializing cgroup subsys cpuacct
[ 0.000000] Linux version 3.12.0-rc5+ (sithglan@infra) (gcc version 4.7.2 (Debian 4.7.2-5) ) #1 SMP Sat Oct 19 20:15:20 CEST 2013
[ 0.000000] Command line: BOOT_IMAGE=/vmlinuz-3.12.0-rc5+ root=UUID=80f5fc61-60ba-4e3d-8d3a-2a51e4e4a5bc ro
[ 0.000000] e820: BIOS-provided physical RAM map:
[ 0.000000] BIOS-e820: [mem 0x0000000000000000-0x000000000009abff] usable
[ 0.000000] BIOS-e820: [mem 0x000000000009ac00-0x000000000009ffff] reserved
[ 0.000000] BIOS-e820: [mem 0x00000000000e0000-0x00000000000fffff] reserved
[ 0.000000] BIOS-e820: [mem 0x0000000000100000-0x000000007dfe9fff] usable
[ 0.000000] BIOS-e820: [mem 0x000000007dfea000-0x000000007e026fff] reserved
[ 0.000000] BIOS-e820: [mem 0x000000007e027000-0x000000007e2c2fff] ACPI NVS
[ 0.000000] BIOS-e820: [mem 0x000000007e2c3000-0x000000007f36bfff] reserved
[ 0.000000] BIOS-e820: [mem 0x000000007f36c000-0x000000007f7fffff] ACPI NVS
[ 0.000000] BIOS-e820: [mem 0x0000000080000000-0x000000008fffffff] reserved
[ 0.000000] BIOS-e820: [mem 0x00000000fed1c000-0x00000000fed3ffff] reserved
[ 0.000000] BIOS-e820: [mem 0x00000000ff000000-0x00000000ffffffff] reserved
[ 0.000000] BIOS-e820: [mem 0x0000000100000000-0x000000107fffffff] usable
[ 0.000000] NX (Execute Disable) protection: active
[ 0.000000] SMBIOS 2.7 present.
[ 0.000000] DMI: Supermicro X9SRD-F/X9SRD-F, BIOS 1.0a 10/15/2012
[ 0.000000] e820: update [mem 0x00000000-0x00000fff] usable ==> reserved
[ 0.000000] e820: remove [mem 0x000a0000-0x000fffff] usable
[ 0.000000] No AGP bridge found
[ 0.000000] e820: last_pfn = 0x1080000 max_arch_pfn = 0x400000000
[ 0.000000] MTRR default type: uncachable
[ 0.000000] MTRR fixed ranges enabled:
[ 0.000000] 00000-9FFFF write-back
[ 0.000000] A0000-BFFFF uncachable
[ 0.000000] C0000-FFFFF write-protect
[ 0.000000] MTRR variable ranges enabled:
[ 0.000000] 0 base 000000000000 mask 3FF000000000 write-back
[ 0.000000] 1 base 001000000000 mask 3FFF80000000 write-back
[ 0.000000] 2 base 000080000000 mask 3FFF80000000 uncachable
[ 0.000000] 3 disabled
[ 0.000000] 4 disabled
[ 0.000000] 5 disabled
[ 0.000000] 6 disabled
[ 0.000000] 7 disabled
[ 0.000000] 8 disabled
[ 0.000000] 9 disabled
[ 0.000000] x86 PAT enabled: cpu 0, old 0x7040600070406, new 0x7010600070106
[ 0.000000] e820: update [mem 0x80000000-0xffffffff] usable ==> reserved
[ 0.000000] e820: last_pfn = 0x7dfea max_arch_pfn = 0x400000000
[ 0.000000] found SMP MP-table at [mem 0x000fd840-0x000fd84f] mapped at [ffff8800000fd840]
[ 0.000000] Base memory trampoline at [ffff880000094000] 94000 size 24576
[ 0.000000] Using GB pages for direct mapping
[ 0.000000] init_memory_mapping: [mem 0x00000000-0x000fffff]
[ 0.000000] [mem 0x00000000-0x000fffff] page 4k
[ 0.000000] BRK [0x01853000, 0x01853fff] PGTABLE
[ 0.000000] BRK [0x01854000, 0x01854fff] PGTABLE
[ 0.000000] BRK [0x01855000, 0x01855fff] PGTABLE
[ 0.000000] init_memory_mapping: [mem 0x107fe00000-0x107fffffff]
[ 0.000000] [mem 0x107fe00000-0x107fffffff] page 1G
[ 0.000000] init_memory_mapping: [mem 0x107c000000-0x107fdfffff]
[ 0.000000] [mem 0x107c000000-0x107fdfffff] page 1G
[ 0.000000] init_memory_mapping: [mem 0x1000000000-0x107bffffff]
[ 0.000000] [mem 0x1000000000-0x107bffffff] page 1G
[ 0.000000] init_memory_mapping: [mem 0x00100000-0x7dfe9fff]
[ 0.000000] [mem 0x00100000-0x001fffff] page 4k
[ 0.000000] [mem 0x00200000-0x7ddfffff] page 2M
[ 0.000000] [mem 0x7de00000-0x7dfe9fff] page 4k
[ 0.000000] init_memory_mapping: [mem 0x100000000-0xfffffffff]
[ 0.000000] [mem 0x100000000-0xfffffffff] page 1G
[ 0.000000] RAMDISK: [mem 0x36938000-0x37493fff]
[ 0.000000] ACPI: RSDP 00000000000f0490 00024 (v02 SUPERM)
[ 0.000000] ACPI: XSDT 000000007e245088 0008C (v01 \xffffffff\xffffffff\xffffffff\xffffffff\xffffffff\xffffffff \xffffffff\xffffffff\xffffffff\xffffffff\xffffffff\xffffffff\xffffffff\xffffffff 00000001 AMI 00010013)
[ 0.000000] ACPI: FACP 000000007e24e7d8 000F4 (v04 \xffffffff\xffffffff\xffffffff\xffffffff\xffffffff\xffffffff \xffffffff\xffffffff\xffffffff\xffffffff\xffffffff\xffffffff\xffffffff\xffffffff 00000001 AMI 00010013)
[ 0.000000] ACPI: DSDT 000000007e2451a8 09629 (v02 \xffffffff\xffffffff\xffffffff\xffffffff\xffffffff\xffffffff \xffffffff\xffffffff\xffffffff\xffffffff\xffffffff\xffffffff\xffffffff\xffffffff 00000000 INTL 20091112)
[ 0.000000] ACPI: FACS 000000007e2c0f80 00040
[ 0.000000] ACPI: APIC 000000007e24e8d0 00100 (v03 00000001 AMI 00010013)
[ 0.000000] ACPI: FPDT 000000007e24e9d0 00044 (v01 00000001 AMI 00010013)
[ 0.000000] ACPI: HPET 000000007e24ea18 00038 (v01 SUPERM SMCI--MB 00000001 AMI. 00000005)
[ 0.000000] ACPI: PRAD 000000007e24ea50 000BE (v02 PRADID PRADTID 00000001 MSFT 04000000)
[ 0.000000] ACPI: SPMI 000000007e24eb10 00040 (v05 A M I OEMSPMI 00000000 AMI. 00000000)
[ 0.000000] ACPI: SSDT 000000007e24eb50 6B344 (v02 INTEL CpuPm 00004000 INTL 20091112)
[ 0.000000] ACPI: EINJ 000000007e2b9e98 00130 (v01 AMI AMI EINJ 00000000 00000000)
[ 0.000000] ACPI: ERST 000000007e2b9fc8 00230 (v01 AMIER AMI ERST 00000000 00000000)
[ 0.000000] ACPI: HEST 000000007e2ba1f8 000A8 (v01 AMI AMI HEST 00000000 00000000)
[ 0.000000] ACPI: BERT 000000007e2ba2a0 00030 (v01 AMI AMI BERT 00000000 00000000)
[ 0.000000] ACPI: DMAR 000000007e2ba2d0 000CC (v01 A M I OEMDMAR 00000001 INTL 00000001)
[ 0.000000] ACPI: MCFG 000000007e2ba3a0 0003C (v01 SUPERM SMCI--MB 00000001 MSFT 00000097)
[ 0.000000] ACPI: Local APIC address 0xfee00000
[ 0.000000] No NUMA configuration found
[ 0.000000] Faking a node at [mem 0x0000000000000000-0x000000107fffffff]
[ 0.000000] Initmem setup node 0 [mem 0x00000000-0x107fffffff]
[ 0.000000] NODE_DATA [mem 0x107fffa000-0x107fffdfff]
[ 0.000000] [ffffea0000000000-ffffea0039bfffff] PMD -> [ffff88103f600000-ffff8810775fffff] on node 0
[ 0.000000] Zone ranges:
[ 0.000000] DMA [mem 0x00001000-0x00ffffff]
[ 0.000000] DMA32 [mem 0x01000000-0xffffffff]
[ 0.000000] Normal [mem 0x100000000-0x107fffffff]
[ 0.000000] Movable zone start for each node
[ 0.000000] Early memory node ranges
[ 0.000000] node 0: [mem 0x00001000-0x00099fff]
[ 0.000000] node 0: [mem 0x00100000-0x7dfe9fff]
[ 0.000000] node 0: [mem 0x100000000-0x107fffffff]
[ 0.000000] On node 0 totalpages: 16768899
[ 0.000000] DMA zone: 56 pages used for memmap
[ 0.000000] DMA zone: 21 pages reserved
[ 0.000000] DMA zone: 3993 pages, LIFO batch:0
[ 0.000000] DMA32 zone: 7000 pages used for memmap
[ 0.000000] DMA32 zone: 511978 pages, LIFO batch:31
[ 0.000000] Normal zone: 222208 pages used for memmap
[ 0.000000] Normal zone: 16252928 pages, LIFO batch:31
[ 0.000000] ACPI: PM-Timer IO Port: 0x408
[ 0.000000] ACPI: Local APIC address 0xfee00000
[ 0.000000] ACPI: LAPIC (acpi_id[0x00] lapic_id[0x00] enabled)
[ 0.000000] ACPI: LAPIC (acpi_id[0x02] lapic_id[0x02] enabled)
[ 0.000000] ACPI: LAPIC (acpi_id[0x04] lapic_id[0x04] enabled)
[ 0.000000] ACPI: LAPIC (acpi_id[0x06] lapic_id[0x06] enabled)
[ 0.000000] ACPI: LAPIC (acpi_id[0x08] lapic_id[0x08] enabled)
[ 0.000000] ACPI: LAPIC (acpi_id[0x0a] lapic_id[0x0a] enabled)
[ 0.000000] ACPI: LAPIC (acpi_id[0x01] lapic_id[0x01] enabled)
[ 0.000000] ACPI: LAPIC (acpi_id[0x03] lapic_id[0x03] enabled)
[ 0.000000] ACPI: LAPIC (acpi_id[0x05] lapic_id[0x05] enabled)
[ 0.000000] ACPI: LAPIC (acpi_id[0x07] lapic_id[0x07] enabled)
[ 0.000000] ACPI: LAPIC (acpi_id[0x09] lapic_id[0x09] enabled)
[ 0.000000] ACPI: LAPIC (acpi_id[0x0b] lapic_id[0x0b] enabled)
[ 0.000000] ACPI: LAPIC_NMI (acpi_id[0x00] high edge lint[0x1])
[ 0.000000] ACPI: LAPIC_NMI (acpi_id[0x02] high edge lint[0x1])
[ 0.000000] ACPI: LAPIC_NMI (acpi_id[0x04] high edge lint[0x1])
[ 0.000000] ACPI: LAPIC_NMI (acpi_id[0x06] high edge lint[0x1])
[ 0.000000] ACPI: LAPIC_NMI (acpi_id[0x08] high edge lint[0x1])
[ 0.000000] ACPI: LAPIC_NMI (acpi_id[0x0a] high edge lint[0x1])
[ 0.000000] ACPI: LAPIC_NMI (acpi_id[0x01] high edge lint[0x1])
[ 0.000000] ACPI: LAPIC_NMI (acpi_id[0x03] high edge lint[0x1])
[ 0.000000] ACPI: LAPIC_NMI (acpi_id[0x05] high edge lint[0x1])
[ 0.000000] ACPI: LAPIC_NMI (acpi_id[0x07] high edge lint[0x1])
[ 0.000000] ACPI: LAPIC_NMI (acpi_id[0x09] high edge lint[0x1])
[ 0.000000] ACPI: LAPIC_NMI (acpi_id[0x0b] high edge lint[0x1])
[ 0.000000] ACPI: IOAPIC (id[0x00] address[0xfec00000] gsi_base[0])
[ 0.000000] IOAPIC[0]: apic_id 0, version 32, address 0xfec00000, GSI 0-23
[ 0.000000] ACPI: IOAPIC (id[0x02] address[0xfec01000] gsi_base[24])
[ 0.000000] IOAPIC[1]: apic_id 2, version 32, address 0xfec01000, GSI 24-47
[ 0.000000] ACPI: INT_SRC_OVR (bus 0 bus_irq 0 global_irq 2 dfl dfl)
[ 0.000000] ACPI: INT_SRC_OVR (bus 0 bus_irq 9 global_irq 9 high level)
[ 0.000000] ACPI: IRQ0 used by override.
[ 0.000000] ACPI: IRQ2 used by override.
[ 0.000000] ACPI: IRQ9 used by override.
[ 0.000000] Using ACPI (MADT) for SMP configuration information
[ 0.000000] ACPI: HPET id: 0x8086a701 base: 0xfed00000
[ 0.000000] smpboot: Allowing 12 CPUs, 0 hotplug CPUs
[ 0.000000] nr_irqs_gsi: 64
[ 0.000000] PM: Registered nosave memory: [mem 0x0009a000-0x0009afff]
[ 0.000000] PM: Registered nosave memory: [mem 0x0009b000-0x0009ffff]
[ 0.000000] PM: Registered nosave memory: [mem 0x000a0000-0x000dffff]
[ 0.000000] PM: Registered nosave memory: [mem 0x000e0000-0x000fffff]
[ 0.000000] PM: Registered nosave memory: [mem 0x7dfea000-0x7e026fff]
[ 0.000000] PM: Registered nosave memory: [mem 0x7e027000-0x7e2c2fff]
[ 0.000000] PM: Registered nosave memory: [mem 0x7e2c3000-0x7f36bfff]
[ 0.000000] PM: Registered nosave memory: [mem 0x7f36c000-0x7f7fffff]
[ 0.000000] PM: Registered nosave memory: [mem 0x7f800000-0x7fffffff]
[ 0.000000] PM: Registered nosave memory: [mem 0x80000000-0x8fffffff]
[ 0.000000] PM: Registered nosave memory: [mem 0x90000000-0xfed1bfff]
[ 0.000000] PM: Registered nosave memory: [mem 0xfed1c000-0xfed3ffff]
[ 0.000000] PM: Registered nosave memory: [mem 0xfed40000-0xfeffffff]
[ 0.000000] PM: Registered nosave memory: [mem 0xff000000-0xffffffff]
[ 0.000000] e820: [mem 0x90000000-0xfed1bfff] available for PCI devices
[ 0.000000] setup_percpu: NR_CPUS:512 nr_cpumask_bits:512 nr_cpu_ids:12 nr_node_ids:1
[ 0.000000] PERCPU: Embedded 27 pages/cpu @ffff88107fc00000 s80704 r8192 d21696 u131072
[ 0.000000] pcpu-alloc: s80704 r8192 d21696 u131072 alloc=1*2097152
[ 0.000000] pcpu-alloc: [0] 00 01 02 03 04 05 06 07 08 09 10 11 -- -- -- --
[ 0.000000] Built 1 zonelists in Zone order, mobility grouping on. Total pages: 16539614
[ 0.000000] Policy zone: Normal
[ 0.000000] Kernel command line: BOOT_IMAGE=/vmlinuz-3.12.0-rc5+ root=UUID=80f5fc61-60ba-4e3d-8d3a-2a51e4e4a5bc ro
[ 0.000000] PID hash table entries: 4096 (order: 3, 32768 bytes)
[ 0.000000] xsave: enabled xstate_bv 0x7, cntxt size 0x340
[ 0.000000] Checking aperture...
[ 0.000000] No AGP bridge found
[ 0.000000] Calgary: detecting Calgary via BIOS EBDA area
[ 0.000000] Calgary: Unable to locate Rio Grande table in EBDA - bailing!
[ 0.000000] Memory: 66070184K/67075596K available (3584K kernel code, 607K rwdata, 1512K rodata, 872K init, 876K bss, 1005412K reserved)
[ 0.000000] Hierarchical RCU implementation.
[ 0.000000] RCU dyntick-idle grace-period acceleration is enabled.
[ 0.000000] RCU restricting CPUs from NR_CPUS=512 to nr_cpu_ids=12.
[ 0.000000] NR_IRQS:33024 nr_irqs:1184 16
[ 0.000000] Console: colour VGA+ 80x25
[ 0.000000] console [tty0] enabled
[ 0.000000] hpet clockevent registered
[ 0.000000] tsc: Fast TSC calibration using PIT
[ 0.004000] tsc: Detected 1999.978 MHz processor
[ 0.000004] Calibrating delay loop (skipped), value calculated using timer frequency.. 3999.95 BogoMIPS (lpj=7999912)
[ 0.000145] pid_max: default: 32768 minimum: 301
[ 0.000250] Security Framework initialized
[ 0.000321] AppArmor: AppArmor disabled by boot time parameter
[ 0.005209] Dentry cache hash table entries: 8388608 (order: 14, 67108864 bytes)
[ 0.020973] Inode-cache hash table entries: 4194304 (order: 13, 33554432 bytes)
[ 0.027672] Mount-cache hash table entries: 256
[ 0.027980] Initializing cgroup subsys devices
[ 0.028052] Initializing cgroup subsys freezer
[ 0.028122] Initializing cgroup subsys net_cls
[ 0.028192] Initializing cgroup subsys blkio
[ 0.028261] Initializing cgroup subsys perf_event
[ 0.028357] CPU: Physical Processor ID: 0
[ 0.028425] CPU: Processor Core ID: 0
[ 0.028519] mce: CPU supports 18 MCE banks
[ 0.028618] CPU0: Thermal monitoring enabled (TM1)
[ 0.028708] Last level iTLB entries: 4KB 512, 2MB 0, 4MB 0
[ 0.028708] Last level dTLB entries: 4KB 512, 2MB 32, 4MB 32
[ 0.028708] tlb_flushall_shift: 5
[ 0.028929] Freeing SMP alternatives memory: 12K (ffffffff81773000 - ffffffff81776000)
[ 0.029019] ACPI: Core revision 20130725
[ 0.053605] ACPI: All ACPI Tables successfully acquired
[ 0.054045] dmar: Host address width 46
[ 0.054114] dmar: DRHD base: 0x000000fbffc000 flags: 0x1
[ 0.054191] dmar: IOMMU 0: reg_base_addr fbffc000 ver 1:0 cap d2078c106f0462 ecap f020fe
[ 0.054280] dmar: RMRR base: 0x0000007dffd000 end: 0x0000007e009fff
[ 0.054352] dmar: ATSR flags: 0x0
[ 0.054419] dmar: RHSA base: 0x000000fbffc000 proximity domain: 0x0
[ 0.054586] IOAPIC id 0 under DRHD base 0xfbffc000 IOMMU 0
[ 0.054658] IOAPIC id 2 under DRHD base 0xfbffc000 IOMMU 0
[ 0.054729] HPET id 0 under DRHD base 0xfbffc000
[ 0.054927] Enabled IRQ remapping in x2apic mode
[ 0.054996] Enabling x2apic
[ 0.055061] Enabled x2apic
[ 0.055131] Switched APIC routing to cluster x2apic.
[ 0.055744] ..TIMER: vector=0x30 apic1=0 pin1=2 apic2=-1 pin2=-1
[ 0.095498] smpboot: CPU0: Intel(R) Xeon(R) CPU E5-2630L 0 @ 2.00GHz (fam: 06, model: 2d, stepping: 07)
[ 0.095735] TSC deadline timer enabled
[ 0.095744] Performance Events: PEBS fmt1+, 16-deep LBR, SandyBridge events, full-width counters, Intel PMU driver.
[ 0.096078] ... version: 3
[ 0.096145] ... bit width: 48
[ 0.101511] ... generic registers: 4
[ 0.101579] ... value mask: 0000ffffffffffff
[ 0.101649] ... max period: 0000ffffffffffff
[ 0.101718] ... fixed-purpose events: 3
[ 0.101786] ... event mask: 000000070000000f
[ 0.116326] NMI watchdog: enabled on all CPUs, permanently consumes one hw-PMU counter.
[ 0.102246] smpboot: Booting Node 0, Processors # 1 # 2 # 3 # 4 # 5 # 6 # 7 # 8 # 9 # 10 # 11 OK
[ 0.248878] Brought up 12 CPUs
[ 0.248949] smpboot: Total of 12 processors activated (47999.47 BogoMIPS)
[ 0.267646] devtmpfs: initialized
[ 0.281269] PM: Registering ACPI NVS region [mem 0x7e027000-0x7e2c2fff] (2736128 bytes)
[ 0.281497] PM: Registering ACPI NVS region [mem 0x7f36c000-0x7f7fffff] (4800512 bytes)
[ 0.282080] regulator-dummy: no parameters
[ 0.282240] NET: Registered protocol family 16
[ 0.282421] cpuidle: using governor ladder
[ 0.282489] cpuidle: using governor menu
[ 0.282577] ACPI FADT declares the system doesn't support PCIe ASPM, so disable it
[ 0.282666] ACPI: bus type PCI registered
[ 0.282734] acpiphp: ACPI Hot Plug PCI Controller Driver version: 0.5
[ 0.282882] PCI: MMCONFIG for domain 0000 [bus 00-ff] at [mem 0x80000000-0x8fffffff] (base 0x80000000)
[ 0.282975] PCI: MMCONFIG at [mem 0x80000000-0x8fffffff] reserved in E820
[ 0.292053] PCI: Using configuration type 1 for base access
[ 0.294195] bio: create slab <bio-0> at 0
[ 0.294500] ACPI: Added _OSI(Module Device)
[ 0.294569] ACPI: Added _OSI(Processor Device)
[ 0.294637] ACPI: Added _OSI(3.0 _SCP Extensions)
[ 0.294707] ACPI: Added _OSI(Processor Aggregator Device)
[ 0.299686] ACPI: EC: Look up EC in DSDT
[ 0.304858] ACPI: Executed 1 blocks of module-level executable AML code
[ 0.585219] ACPI: Interpreter enabled
[ 0.585299] ACPI Exception: AE_NOT_FOUND, While evaluating Sleep State [\_S2_] (20130725/hwxface-571)
[ 0.585485] ACPI Exception: AE_NOT_FOUND, While evaluating Sleep State [\_S3_] (20130725/hwxface-571)
[ 0.585676] ACPI: (supports S0 S1 S4 S5)
[ 0.585744] ACPI: Using IOAPIC for interrupt routing
[ 0.585883] HEST: Table parsing has been initialized.
[ 0.585955] PCI: Using host bridge windows from ACPI; if necessary, use "pci=nocrs" and report a bug
[ 0.586280] ACPI: No dock devices found.
[ 0.588734] [Firmware Bug]: ACPI: BIOS _OSI(Linux) query ignored
[ 0.597833] ACPI: PCI Root Bridge [PCI0] (domain 0000 [bus 00-fe])
[ 0.598131] acpi PNP0A08:00: Requesting ACPI _OSC control (0x1d)
[ 0.598525] acpi PNP0A08:00: ACPI _OSC control (0x11) granted
[ 0.598924] ACPI: \_SB_.PCI0.IOH_: can't evaluate _ADR (0x5)
[ 0.598996] ACPI: \_SB_.PCI0.VTDR: can't evaluate _ADR (0x5)
[ 0.599079] ACPI: \_SB_.PCI0.PCH_: can't evaluate _ADR (0x5)
[ 0.599151] ACPI: \_SB_.PCI0.CWDT: can't evaluate _ADR (0x5)
[ 0.599368] ACPI: \_SB_.PCI0.HPET: can't evaluate _ADR (0x5)
[ 0.599440] ACPI: \_SB_.PCI0.ITPM: can't evaluate _ADR (0x5)
[ 0.599511] PCI host bridge to bus 0000:00
[ 0.599580] pci_bus 0000:00: root bus resource [bus 00-fe]
[ 0.599652] pci_bus 0000:00: root bus resource [io 0x0000-0x03af]
[ 0.599725] pci_bus 0000:00: root bus resource [io 0x03e0-0x0cf7]
[ 0.599797] pci_bus 0000:00: root bus resource [io 0x03b0-0x03df]
[ 0.599869] pci_bus 0000:00: root bus resource [io 0x0d00-0xffff]
[ 0.599942] pci_bus 0000:00: root bus resource [mem 0x000a0000-0x000bffff]
[ 0.600015] pci_bus 0000:00: root bus resource [mem 0x000c0000-0x000dffff]
[ 0.600089] pci_bus 0000:00: root bus resource [mem 0xfed0e000-0xfed0ffff]
[ 0.600162] pci_bus 0000:00: root bus resource [mem 0x80000000-0xfbffffff]
[ 0.600247] pci 0000:00:00.0: [8086:3c00] type 00 class 0x060000
[ 0.600307] pci 0000:00:00.0: PME# supported from D0 D3hot D3cold
[ 0.600420] pci 0000:00:01.0: [8086:3c02] type 01 class 0x060400
[ 0.600489] pci 0000:00:01.0: PME# supported from D0 D3hot D3cold
[ 0.600562] pci 0000:00:01.0: System wakeup disabled by ACPI
[ 0.600679] pci 0000:00:01.1: [8086:3c03] type 01 class 0x060400
[ 0.600747] pci 0000:00:01.1: PME# supported from D0 D3hot D3cold
[ 0.600818] pci 0000:00:01.1: System wakeup disabled by ACPI
[ 0.600940] pci 0000:00:02.0: [8086:3c04] type 01 class 0x060400
[ 0.601007] pci 0000:00:02.0: PME# supported from D0 D3hot D3cold
[ 0.601080] pci 0000:00:02.0: System wakeup disabled by ACPI
[ 0.601194] pci 0000:00:02.2: [8086:3c06] type 01 class 0x060400
[ 0.601261] pci 0000:00:02.2: PME# supported from D0 D3hot D3cold
[ 0.601332] pci 0000:00:02.2: System wakeup disabled by ACPI
[ 0.601449] pci 0000:00:03.0: [8086:3c08] type 01 class 0x060400
[ 0.601516] pci 0000:00:03.0: PME# supported from D0 D3hot D3cold
[ 0.601589] pci 0000:00:03.0: System wakeup disabled by ACPI
[ 0.601703] pci 0000:00:03.2: [8086:3c0a] type 01 class 0x060400
[ 0.601770] pci 0000:00:03.2: PME# supported from D0 D3hot D3cold
[ 0.601841] pci 0000:00:03.2: System wakeup disabled by ACPI
[ 0.601960] pci 0000:00:04.0: [8086:3c20] type 00 class 0x088000
[ 0.601976] pci 0000:00:04.0: reg 0x10: [mem 0xfb81c000-0xfb81ffff 64bit]
[ 0.602134] pci 0000:00:04.1: [8086:3c21] type 00 class 0x088000
[ 0.602148] pci 0000:00:04.1: reg 0x10: [mem 0xfb818000-0xfb81bfff 64bit]
[ 0.602305] pci 0000:00:04.2: [8086:3c22] type 00 class 0x088000
[ 0.602320] pci 0000:00:04.2: reg 0x10: [mem 0xfb814000-0xfb817fff 64bit]
[ 0.602483] pci 0000:00:04.3: [8086:3c23] type 00 class 0x088000
[ 0.602498] pci 0000:00:04.3: reg 0x10: [mem 0xfb810000-0xfb813fff 64bit]
[ 0.602655] pci 0000:00:04.4: [8086:3c24] type 00 class 0x088000
[ 0.602670] pci 0000:00:04.4: reg 0x10: [mem 0xfb80c000-0xfb80ffff 64bit]
[ 0.602831] pci 0000:00:04.5: [8086:3c25] type 00 class 0x088000
[ 0.602845] pci 0000:00:04.5: reg 0x10: [mem 0xfb808000-0xfb80bfff 64bit]
[ 0.603000] pci 0000:00:04.6: [8086:3c26] type 00 class 0x088000
[ 0.603015] pci 0000:00:04.6: reg 0x10: [mem 0xfb804000-0xfb807fff 64bit]
[ 0.603169] pci 0000:00:04.7: [8086:3c27] type 00 class 0x088000
[ 0.603184] pci 0000:00:04.7: reg 0x10: [mem 0xfb800000-0xfb803fff 64bit]
[ 0.603337] pci 0000:00:05.0: [8086:3c28] type 00 class 0x088000
[ 0.603479] pci 0000:00:05.2: [8086:3c2a] type 00 class 0x088000
[ 0.603620] pci 0000:00:05.4: [8086:3c2c] type 00 class 0x080020
[ 0.603633] pci 0000:00:05.4: reg 0x10: [mem 0xfb825000-0xfb825fff]
[ 0.603789] pci 0000:00:11.0: [8086:1d3e] type 01 class 0x060400
[ 0.603881] pci 0000:00:11.0: PME# supported from D0 D3hot D3cold
[ 0.603997] pci 0000:00:16.0: [8086:1d3a] type 00 class 0x078000
[ 0.604020] pci 0000:00:16.0: reg 0x10: [mem 0xfed0e000-0xfed0e00f 64bit]
[ 0.604095] pci 0000:00:16.0: PME# supported from D0 D3hot D3cold
[ 0.604199] pci 0000:00:16.1: [8086:1d3b] type 00 class 0x078000
[ 0.604222] pci 0000:00:16.1: reg 0x10: [mem 0xfed0f000-0xfed0f00f 64bit]
[ 0.604297] pci 0000:00:16.1: PME# supported from D0 D3hot D3cold
[ 0.604415] pci 0000:00:1a.0: [8086:1d2d] type 00 class 0x0c0320
[ 0.604437] pci 0000:00:1a.0: reg 0x10: [mem 0xfb823000-0xfb8233ff]
[ 0.604531] pci 0000:00:1a.0: PME# supported from D0 D3hot D3cold
[ 0.604600] pci 0000:00:1a.0: System wakeup disabled by ACPI
[ 0.604719] pci 0000:00:1d.0: [8086:1d26] type 00 class 0x0c0320
[ 0.604741] pci 0000:00:1d.0: reg 0x10: [mem 0xfb822000-0xfb8223ff]
[ 0.604835] pci 0000:00:1d.0: PME# supported from D0 D3hot D3cold
[ 0.604905] pci 0000:00:1d.0: System wakeup disabled by ACPI
[ 0.605015] pci 0000:00:1e.0: [8086:244e] type 01 class 0x060401
[ 0.605125] pci 0000:00:1e.0: System wakeup disabled by ACPI
[ 0.605238] pci 0000:00:1f.0: [8086:1d41] type 00 class 0x060100
[ 0.605442] pci 0000:00:1f.2: [8086:1d02] type 00 class 0x010601
[ 0.605462] pci 0000:00:1f.2: reg 0x10: [io 0xf050-0xf057]
[ 0.605470] pci 0000:00:1f.2: reg 0x14: [io 0xf040-0xf043]
[ 0.605478] pci 0000:00:1f.2: reg 0x18: [io 0xf030-0xf037]
[ 0.605487] pci 0000:00:1f.2: reg 0x1c: [io 0xf020-0xf023]
[ 0.605495] pci 0000:00:1f.2: reg 0x20: [io 0xf000-0xf01f]
[ 0.605503] pci 0000:00:1f.2: reg 0x24: [mem 0xfb821000-0xfb8217ff]
[ 0.605551] pci 0000:00:1f.2: PME# supported from D3hot
[ 0.605650] pci 0000:00:1f.3: [8086:1d22] type 00 class 0x0c0500
[ 0.605666] pci 0000:00:1f.3: reg 0x10: [mem 0xfb820000-0xfb8200ff 64bit]
[ 0.605688] pci 0000:00:1f.3: reg 0x20: [io 0x1180-0x119f]
[ 0.605799] pci 0000:00:1f.6: [8086:1d24] type 00 class 0x118000
[ 0.605820] pci 0000:00:1f.6: reg 0x10: [mem 0x90000000-0x90000fff 64bit]
[ 0.606027] pci 0000:00:01.0: PCI bridge to [bus 01]
[ 0.606161] pci 0000:00:01.1: PCI bridge to [bus 02]
[ 0.606308] pci 0000:03:00.0: [8086:1521] type 00 class 0x020000
[ 0.606319] pci 0000:03:00.0: reg 0x10: [mem 0xfb580000-0xfb5fffff]
[ 0.606333] pci 0000:03:00.0: reg 0x18: [io 0xe020-0xe03f]
[ 0.606341] pci 0000:03:00.0: reg 0x1c: [mem 0xfb704000-0xfb707fff]
[ 0.606362] pci 0000:03:00.0: reg 0x30: [mem 0xfb640000-0xfb67ffff pref]
[ 0.606401] pci 0000:03:00.0: PME# supported from D0 D3hot D3cold
[ 0.606430] pci 0000:03:00.0: reg 0x184: [mem 0xfb6e0000-0xfb6e3fff]
[ 0.606447] pci 0000:03:00.0: reg 0x190: [mem 0xfb6c0000-0xfb6c3fff]
[ 0.606516] pci 0000:03:00.1: [8086:1521] type 00 class 0x020000
[ 0.606527] pci 0000:03:00.1: reg 0x10: [mem 0xfb500000-0xfb57ffff]
[ 0.606541] pci 0000:03:00.1: reg 0x18: [io 0xe000-0xe01f]
[ 0.606549] pci 0000:03:00.1: reg 0x1c: [mem 0xfb700000-0xfb703fff]
[ 0.606569] pci 0000:03:00.1: reg 0x30: [mem 0xfb600000-0xfb63ffff pref]
[ 0.606608] pci 0000:03:00.1: PME# supported from D0 D3hot D3cold
[ 0.606632] pci 0000:03:00.1: reg 0x184: [mem 0xfb6a0000-0xfb6a3fff]
[ 0.606649] pci 0000:03:00.1: reg 0x190: [mem 0xfb680000-0xfb683fff]
[ 0.614483] pci 0000:00:02.0: PCI bridge to [bus 03-04]
[ 0.614569] pci 0000:00:02.0: bridge window [io 0xe000-0xefff]
[ 0.614573] pci 0000:00:02.0: bridge window [mem 0xfb500000-0xfb7fffff]
[ 0.614650] pci 0000:05:00.0: [8086:1521] type 00 class 0x020000
[ 0.614660] pci 0000:05:00.0: reg 0x10: [mem 0xfb200000-0xfb2fffff]
[ 0.614680] pci 0000:05:00.0: reg 0x1c: [mem 0xfb404000-0xfb407fff]
[ 0.614701] pci 0000:05:00.0: reg 0x30: [mem 0xfb300000-0xfb37ffff pref]
[ 0.614739] pci 0000:05:00.0: PME# supported from D0 D3hot D3cold
[ 0.614768] pci 0000:05:00.0: reg 0x184: [mem 0xfb3e0000-0xfb3e3fff]
[ 0.614784] pci 0000:05:00.0: reg 0x190: [mem 0xfb3c0000-0xfb3c3fff]
[ 0.614846] pci 0000:05:00.1: [8086:1521] type 00 class 0x020000
[ 0.614857] pci 0000:05:00.1: reg 0x10: [mem 0xfb100000-0xfb1fffff]
[ 0.614877] pci 0000:05:00.1: reg 0x1c: [mem 0xfb400000-0xfb403fff]
[ 0.614933] pci 0000:05:00.1: PME# supported from D0 D3hot D3cold
[ 0.614957] pci 0000:05:00.1: reg 0x184: [mem 0xfb3a0000-0xfb3a3fff]
[ 0.614974] pci 0000:05:00.1: reg 0x190: [mem 0xfb380000-0xfb383fff]
[ 0.622495] pci 0000:00:02.2: PCI bridge to [bus 05-06]
[ 0.622570] pci 0000:00:02.2: bridge window [mem 0xfb100000-0xfb4fffff]
[ 0.622636] pci 0000:00:03.0: PCI bridge to [bus 07]
[ 0.622774] pci 0000:00:03.2: PCI bridge to [bus 08]
[ 0.622919] pci 0000:00:11.0: PCI bridge to [bus 09]
[ 0.623049] pci 0000:0a:01.0: [102b:0532] type 00 class 0x030000
[ 0.623067] pci 0000:0a:01.0: reg 0x10: [mem 0xf9000000-0xf9ffffff pref]
[ 0.623077] pci 0000:0a:01.0: reg 0x14: [mem 0xfb000000-0xfb003fff]
[ 0.623087] pci 0000:0a:01.0: reg 0x18: [mem 0xfa800000-0xfaffffff]
[ 0.623222] pci 0000:00:1e.0: PCI bridge to [bus 0a] (subtractive decode)
[ 0.623299] pci 0000:00:1e.0: bridge window [mem 0xfa800000-0xfb0fffff]
[ 0.623305] pci 0000:00:1e.0: bridge window [mem 0xf9000000-0xf9ffffff 64bit pref]
[ 0.623307] pci 0000:00:1e.0: bridge window [io 0x0000-0x03af] (subtractive decode)
[ 0.623310] pci 0000:00:1e.0: bridge window [io 0x03e0-0x0cf7] (subtractive decode)
[ 0.623312] pci 0000:00:1e.0: bridge window [io 0x03b0-0x03df] (subtractive decode)
[ 0.623315] pci 0000:00:1e.0: bridge window [io 0x0d00-0xffff] (subtractive decode)
[ 0.623317] pci 0000:00:1e.0: bridge window [mem 0x000a0000-0x000bffff] (subtractive decode)
[ 0.623320] pci 0000:00:1e.0: bridge window [mem 0x000c0000-0x000dffff] (subtractive decode)
[ 0.623322] pci 0000:00:1e.0: bridge window [mem 0xfed0e000-0xfed0ffff] (subtractive decode)
[ 0.623325] pci 0000:00:1e.0: bridge window [mem 0x80000000-0xfbffffff] (subtractive decode)
[ 0.623366] pci_bus 0000:00: on NUMA node 0 (pxm 0)
[ 0.623368] acpi PNP0A08:00: Disabling ASPM (FADT indicates it is unsupported)
[ 0.624144] ACPI: PCI Root Bridge [UNC0] (domain 0000 [bus ff])
[ 0.624219] acpi PNP0A03:00: ACPI _OSC support notification failed, disabling PCIe ASPM
[ 0.624308] acpi PNP0A03:00: Unable to request _OSC control (_OSC support mask: 0x08)
[ 0.624464] PCI host bridge to bus 0000:ff
[ 0.624533] pci_bus 0000:ff: root bus resource [bus ff]
[ 0.624612] pci 0000:ff:08.0: [8086:3c80] type 00 class 0x088000
[ 0.624676] pci 0000:ff:08.3: [8086:3c83] type 00 class 0x088000
[ 0.624747] pci 0000:ff:08.4: [8086:3c84] type 00 class 0x088000
[ 0.624822] pci 0000:ff:09.0: [8086:3c90] type 00 class 0x088000
[ 0.624882] pci 0000:ff:09.3: [8086:3c93] type 00 class 0x088000
[ 0.624951] pci 0000:ff:09.4: [8086:3c94] type 00 class 0x088000
[ 0.625023] pci 0000:ff:0a.0: [8086:3cc0] type 00 class 0x088000
[ 0.625074] pci 0000:ff:0a.1: [8086:3cc1] type 00 class 0x088000
[ 0.625124] pci 0000:ff:0a.2: [8086:3cc2] type 00 class 0x088000
[ 0.625174] pci 0000:ff:0a.3: [8086:3cd0] type 00 class 0x088000
[ 0.625227] pci 0000:ff:0b.0: [8086:3ce0] type 00 class 0x088000
[ 0.625278] pci 0000:ff:0b.3: [8086:3ce3] type 00 class 0x088000
[ 0.625329] pci 0000:ff:0c.0: [8086:3ce8] type 00 class 0x088000
[ 0.625380] pci 0000:ff:0c.1: [8086:3ce8] type 00 class 0x088000
[ 0.625430] pci 0000:ff:0c.2: [8086:3ce8] type 00 class 0x088000
[ 0.625482] pci 0000:ff:0c.6: [8086:3cf4] type 00 class 0x088000
[ 0.625532] pci 0000:ff:0c.7: [8086:3cf6] type 00 class 0x088000
[ 0.625582] pci 0000:ff:0d.0: [8086:3ce8] type 00 class 0x088000
[ 0.625632] pci 0000:ff:0d.1: [8086:3ce8] type 00 class 0x088000
[ 0.625682] pci 0000:ff:0d.2: [8086:3ce8] type 00 class 0x088000
[ 0.625733] pci 0000:ff:0d.6: [8086:3cf5] type 00 class 0x088000
[ 0.625784] pci 0000:ff:0e.0: [8086:3ca0] type 00 class 0x088000
[ 0.625838] pci 0000:ff:0e.1: [8086:3c46] type 00 class 0x110100
[ 0.625898] pci 0000:ff:0f.0: [8086:3ca8] type 00 class 0x088000
[ 0.625963] pci 0000:ff:0f.1: [8086:3c71] type 00 class 0x088000
[ 0.626031] pci 0000:ff:0f.2: [8086:3caa] type 00 class 0x088000
[ 0.626097] pci 0000:ff:0f.3: [8086:3cab] type 00 class 0x088000
[ 0.626162] pci 0000:ff:0f.4: [8086:3cac] type 00 class 0x088000
[ 0.626231] pci 0000:ff:0f.5: [8086:3cad] type 00 class 0x088000
[ 0.626294] pci 0000:ff:0f.6: [8086:3cae] type 00 class 0x088000
[ 0.626352] pci 0000:ff:10.0: [8086:3cb0] type 00 class 0x088000
[ 0.626419] pci 0000:ff:10.1: [8086:3cb1] type 00 class 0x088000
[ 0.626493] pci 0000:ff:10.2: [8086:3cb2] type 00 class 0x088000
[ 0.626560] pci 0000:ff:10.3: [8086:3cb3] type 00 class 0x088000
[ 0.626628] pci 0000:ff:10.4: [8086:3cb4] type 00 class 0x088000
[ 0.626696] pci 0000:ff:10.5: [8086:3cb5] type 00 class 0x088000
[ 0.626763] pci 0000:ff:10.6: [8086:3cb6] type 00 class 0x088000
[ 0.626830] pci 0000:ff:10.7: [8086:3cb7] type 00 class 0x088000
[ 0.626894] pci 0000:ff:11.0: [8086:3cb8] type 00 class 0x088000
[ 0.626959] pci 0000:ff:13.0: [8086:3ce4] type 00 class 0x088000
[ 0.627012] pci 0000:ff:13.1: [8086:3c43] type 00 class 0x110100
[ 0.627066] pci 0000:ff:13.4: [8086:3ce6] type 00 class 0x110100
[ 0.627118] pci 0000:ff:13.5: [8086:3c44] type 00 class 0x110100
[ 0.627170] pci 0000:ff:13.6: [8086:3c45] type 00 class 0x088000
[ 0.627326] ACPI: PCI Interrupt Link [LNKA] (IRQs 3 4 5 6 7 10 *11 12 14 15)
[ 0.628013] ACPI: PCI Interrupt Link [LNKB] (IRQs 3 4 5 6 7 *10 11 12 14 15)
[ 0.628699] ACPI: PCI Interrupt Link [LNKC] (IRQs 3 4 *5 6 10 11 12 14 15)
[ 0.629337] ACPI: PCI Interrupt Link [LNKD] (IRQs 3 4 5 6 10 *11 12 14 15)
[ 0.629977] ACPI: PCI Interrupt Link [LNKE] (IRQs 3 4 5 6 7 10 11 12 14 15) *0
[ 0.630729] ACPI: PCI Interrupt Link [LNKF] (IRQs 3 4 5 6 7 10 11 12 14 15) *0
[ 0.631473] ACPI: PCI Interrupt Link [LNKG] (IRQs 3 4 5 6 7 *10 11 12 14 15)
[ 0.632158] ACPI: PCI Interrupt Link [LNKH] (IRQs 3 4 5 6 *7 10 11 12 14 15)
[ 0.634271] ACPI: Enabled 2 GPEs in block 00 to 3F
[ 0.634461] ACPI: \_SB_.PCI0: notify handler is installed
[ 0.634636] ACPI: \_SB_.UNC0: notify handler is installed
[ 0.634711] Found 2 acpi root devices
[ 0.634819] vgaarb: device added: PCI:0000:0a:01.0,decodes=io+mem,owns=io+mem,locks=none
[ 0.634919] vgaarb: loaded
[ 0.634984] vgaarb: bridge control possible 0000:0a:01.0
[ 0.635123] PCI: Using ACPI for IRQ routing
[ 0.641814] PCI: pci_cache_line_size set to 64 bytes
[ 0.641943] e820: reserve RAM buffer [mem 0x0009ac00-0x0009ffff]
[ 0.641946] e820: reserve RAM buffer [mem 0x7dfea000-0x7fffffff]
[ 0.642092] hpet0: at MMIO 0xfed00000, IRQs 2, 8, 0, 0, 0, 0, 0, 0
[ 0.642586] hpet0: 8 comparators, 64-bit 14.318180 MHz counter
[ 0.644700] Switched to clocksource hpet
[ 0.646733] pnp: PnP ACPI init
[ 0.646817] ACPI: bus type PNP registered
[ 0.646980] system 00:00: [mem 0xfc000000-0xfcffffff] has been reserved
[ 0.647057] system 00:00: [mem 0xfd000000-0xfdffffff] has been reserved
[ 0.647130] system 00:00: [mem 0xfe000000-0xfeafffff] has been reserved
[ 0.647204] system 00:00: [mem 0xfeb00000-0xfebfffff] has been reserved
[ 0.647277] system 00:00: [mem 0xfed00400-0xfed3ffff] could not be reserved
[ 0.647351] system 00:00: [mem 0xfed45000-0xfedfffff] has been reserved
[ 0.647426] system 00:00: Plug and Play ACPI device, IDs PNP0c01 (active)
[ 0.647530] system 00:01: [mem 0xfbffc000-0xfbffdfff] could not be reserved
[ 0.647605] system 00:01: Plug and Play ACPI device, IDs PNP0c02 (active)
[ 0.647621] pnp 00:02: [dma 4]
[ 0.647644] pnp 00:02: Plug and Play ACPI device, IDs PNP0200 (active)
[ 0.647684] pnp 00:03: Plug and Play ACPI device, IDs PNP0b00 (active)
[ 0.647713] pnp 00:04: Plug and Play ACPI device, IDs PNP0800 (active)
[ 0.647794] system 00:05: [io 0x04d0-0x04d1] has been reserved
[ 0.647867] system 00:05: [mem 0x00000400-0x000004ff] could not be reserved
[ 0.647941] system 00:05: Plug and Play ACPI device, IDs PNP0c02 (active)
[ 0.647977] pnp 00:06: Plug and Play ACPI device, IDs PNP0c04 (active)
[ 0.648132] system 00:07: [io 0x0a00-0x0a1f] has been reserved
[ 0.648205] system 00:07: [io 0x0a30-0x0a3f] has been reserved
[ 0.648277] system 00:07: Plug and Play ACPI device, IDs PNP0c02 (active)
[ 0.648549] pnp 00:08: [dma 0 disabled]
[ 0.648611] pnp 00:08: Plug and Play ACPI device, IDs PNP0501 (active)
[ 0.648777] system 00:09: [io 0x0b00-0x0b7f] has been reserved
[ 0.648851] system 00:09: Plug and Play ACPI device, IDs PNP0c02 (active)
[ 0.649064] pnp 00:0a: [dma 0 disabled]
[ 0.649123] pnp 00:0a: Plug and Play ACPI device, IDs PNP0501 (active)
[ 0.649296] pnp 00:0b: Plug and Play ACPI device, IDs IPI0001 (active)
[ 0.649544] system 00:0c: [io 0x0400-0x0453] could not be reserved
[ 0.649618] system 00:0c: [io 0x0458-0x047f] has been reserved
[ 0.649690] system 00:0c: [io 0x1180-0x119f] has been reserved
[ 0.649762] system 00:0c: [io 0x0500-0x057f] has been reserved
[ 0.649835] system 00:0c: [mem 0xfed1c000-0xfed1ffff] has been reserved
[ 0.649909] system 00:0c: [mem 0xfec00000-0xfecfffff] could not be reserved
[ 0.649983] system 00:0c: [mem 0xfed08000-0xfed08fff] has been reserved
[ 0.650056] system 00:0c: [mem 0xff000000-0xffffffff] has been reserved
[ 0.650129] system 00:0c: Plug and Play ACPI device, IDs PNP0c01 (active)
[ 0.650217] system 00:0d: [io 0x0454-0x0457] has been reserved
[ 0.650290] system 00:0d: Plug and Play ACPI device, IDs INT3f0d PNP0c02 (active)
[ 0.650462] pnp 00:0e: Plug and Play ACPI device, IDs PNP0103 (active)
[ 0.650693] system 00:0f: [mem 0x00000000-0x0009ffff] could not be reserved
[ 0.650767] system 00:0f: Plug and Play ACPI device, IDs PNP0c01 (active)
[ 0.650986] pnp: PnP ACPI: found 16 devices
[ 0.651054] ACPI: bus type PNP unregistered
[ 0.657936] pci 0000:00:01.0: PCI bridge to [bus 01]
[ 0.658015] pci 0000:00:01.1: PCI bridge to [bus 02]
[ 0.658094] pci 0000:00:02.0: PCI bridge to [bus 03-04]
[ 0.658166] pci 0000:00:02.0: bridge window [io 0xe000-0xefff]
[ 0.658240] pci 0000:00:02.0: bridge window [mem 0xfb500000-0xfb7fffff]
[ 0.658319] pci 0000:00:02.2: PCI bridge to [bus 05-06]
[ 0.658392] pci 0000:00:02.2: bridge window [mem 0xfb100000-0xfb4fffff]
[ 0.658470] pci 0000:00:03.0: PCI bridge to [bus 07]
[ 0.658548] pci 0000:00:03.2: PCI bridge to [bus 08]
[ 0.658626] pci 0000:00:11.0: PCI bridge to [bus 09]
[ 0.658708] pci 0000:00:1e.0: PCI bridge to [bus 0a]
[ 0.658781] pci 0000:00:1e.0: bridge window [mem 0xfa800000-0xfb0fffff]
[ 0.658856] pci 0000:00:1e.0: bridge window [mem 0xf9000000-0xf9ffffff 64bit pref]
[ 0.658949] pci_bus 0000:00: resource 4 [io 0x0000-0x03af]
[ 0.658951] pci_bus 0000:00: resource 5 [io 0x03e0-0x0cf7]
[ 0.658954] pci_bus 0000:00: resource 6 [io 0x03b0-0x03df]
[ 0.658956] pci_bus 0000:00: resource 7 [io 0x0d00-0xffff]
[ 0.658958] pci_bus 0000:00: resource 8 [mem 0x000a0000-0x000bffff]
[ 0.658960] pci_bus 0000:00: resource 9 [mem 0x000c0000-0x000dffff]
[ 0.658963] pci_bus 0000:00: resource 10 [mem 0xfed0e000-0xfed0ffff]
[ 0.658965] pci_bus 0000:00: resource 11 [mem 0x80000000-0xfbffffff]
[ 0.658967] pci_bus 0000:03: resource 0 [io 0xe000-0xefff]
[ 0.658969] pci_bus 0000:03: resource 1 [mem 0xfb500000-0xfb7fffff]
[ 0.658972] pci_bus 0000:05: resource 1 [mem 0xfb100000-0xfb4fffff]
[ 0.658974] pci_bus 0000:0a: resource 1 [mem 0xfa800000-0xfb0fffff]
[ 0.658976] pci_bus 0000:0a: resource 2 [mem 0xf9000000-0xf9ffffff 64bit pref]
[ 0.658979] pci_bus 0000:0a: resource 4 [io 0x0000-0x03af]
[ 0.658981] pci_bus 0000:0a: resource 5 [io 0x03e0-0x0cf7]
[ 0.658983] pci_bus 0000:0a: resource 6 [io 0x03b0-0x03df]
[ 0.658985] pci_bus 0000:0a: resource 7 [io 0x0d00-0xffff]
[ 0.658987] pci_bus 0000:0a: resource 8 [mem 0x000a0000-0x000bffff]
[ 0.658989] pci_bus 0000:0a: resource 9 [mem 0x000c0000-0x000dffff]
[ 0.658991] pci_bus 0000:0a: resource 10 [mem 0xfed0e000-0xfed0ffff]
[ 0.658993] pci_bus 0000:0a: resource 11 [mem 0x80000000-0xfbffffff]
[ 0.659129] NET: Registered protocol family 2
[ 0.660115] TCP established hash table entries: 524288 (order: 11, 8388608 bytes)
[ 0.661610] TCP bind hash table entries: 65536 (order: 8, 1048576 bytes)
[ 0.661822] TCP: Hash tables configured (established 524288 bind 65536)
[ 0.661918] TCP: reno registered
[ 0.662066] UDP hash table entries: 32768 (order: 8, 1048576 bytes)
[ 0.662408] UDP-Lite hash table entries: 32768 (order: 8, 1048576 bytes)
[ 0.662816] NET: Registered protocol family 1
[ 0.700841] pci 0000:0a:01.0: Boot video device
[ 0.700902] PCI: CLS 64 bytes, default 64
[ 0.700950] Unpacking initramfs...
[ 0.973164] Freeing initrd memory: 11632K (ffff880036938000 - ffff880037494000)
[ 0.973267] PCI-DMA: Using software bounce buffering for IO (SWIOTLB)
[ 0.973341] software IO TLB [mem 0x79fea000-0x7dfea000] (64MB) mapped at [ffff880079fea000-ffff88007dfe9fff]
[ 0.974695] audit: initializing netlink socket (disabled)
[ 0.974787] type=2000 audit(1382206912.796:1): initialized
[ 0.999115] bounce pool size: 64 pages
[ 0.999187] HugeTLB registered 2 MB page size, pre-allocated 0 pages
[ 1.003098] VFS: Disk quotas dquot_6.5.2
[ 1.003206] Dquot-cache hash table entries: 512 (order 0, 4096 bytes)
[ 1.003398] msgmni has been set to 32768
[ 1.003811] alg: No test for stdrng (krng)
[ 1.003916] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 252)
[ 1.004006] io scheduler noop registered
[ 1.004074] io scheduler deadline registered
[ 1.004180] io scheduler cfq registered (default)
[ 1.005428] ioapic: probe of 0000:00:05.4 failed with error -22
[ 1.005512] pci_hotplug: PCI Hot Plug PCI Core version: 0.5
[ 1.005598] pciehp: PCI Express Hot Plug Controller Driver version: 0.4
[ 1.011015] intel_idle: MWAIT substates: 0x21120
[ 1.011017] intel_idle: v0.4 model 0x2D
[ 1.011018] intel_idle: lapic_timer_reliable_states 0xffffffff
[ 1.011477] ERST: Error Record Serialization Table (ERST) support is initialized.
[ 1.011571] pstore: Registered erst as persistent store backend
[ 1.011788] GHES: APEI firmware first mode is enabled by APEI bit and WHEA _OSC.
[ 1.011930] Serial: 8250/16550 driver, 4 ports, IRQ sharing enabled
[ 1.032503] 00:08: ttyS0 at I/O 0x3f8 (irq = 4, base_baud = 115200) is a 16550A
[ 1.053054] 00:0a: ttyS2 at I/O 0x3e8 (irq = 3, base_baud = 115200) is a 16550A
[ 1.053637] Linux agpgart interface v0.103
[ 1.053940] i8042: PNP: No PS/2 controller found. Probing ports directly.
[ 1.056544] serio: i8042 KBD port at 0x60,0x64 irq 1
[ 1.056620] serio: i8042 AUX port at 0x60,0x64 irq 12
[ 1.056831] mousedev: PS/2 mouse device common for all mice
[ 1.056943] rtc_cmos 00:03: RTC can wake from S4
[ 1.057149] rtc_cmos 00:03: rtc core: registered rtc_cmos as rtc0
[ 1.057251] rtc_cmos 00:03: alarms up to one month, y3k, 114 bytes nvram, hpet irqs
[ 1.057400] drop_monitor: Initializing network drop monitor service
[ 1.057563] TCP: cubic registered
[ 1.057815] NET: Registered protocol family 10
[ 1.058187] mip6: Mobile IPv6
[ 1.058255] NET: Registered protocol family 17
[ 1.058336] Key type dns_resolver registered
[ 1.058903] PM: Hibernation image not present or could not be loaded.
[ 1.058914] registered taskstats version 1
[ 1.063057] rtc_cmos 00:03: setting system clock to 2013-10-19 18:21:53 UTC (1382206913)
[ 1.064477] Freeing unused kernel memory: 872K (ffffffff81699000 - ffffffff81773000)
[ 1.064565] Write protecting the kernel read-only data: 6144k
[ 1.066220] Freeing unused kernel memory: 504K (ffff880001382000 - ffff880001400000)
[ 1.067735] Freeing unused kernel memory: 536K (ffff88000157a000 - ffff880001600000)
[ 1.079405] udevd[106]: starting version 175
[ 1.113716] pps_core: LinuxPPS API ver. 1 registered
[ 1.113794] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti <giometti@linux.it>
[ 1.114175] PTP clock support registered
[ 1.114498] dca service started, version 1.12.1
[ 1.115895] igb: Intel(R) Gigabit Ethernet Network Driver - version 5.0.5-k
[ 1.115975] igb: Copyright (c) 2007-2013 Intel Corporation.
[ 1.116084] pcieport 0000:00:02.0: driver skip pci_set_master, fix it!
[ 1.116509] igb 0000:03:00.0: irq 65 for MSI/MSI-X
[ 1.116524] igb 0000:03:00.0: irq 66 for MSI/MSI-X
[ 1.116538] igb 0000:03:00.0: irq 67 for MSI/MSI-X
[ 1.116551] igb 0000:03:00.0: irq 68 for MSI/MSI-X
[ 1.116562] igb 0000:03:00.0: irq 69 for MSI/MSI-X
[ 1.116573] igb 0000:03:00.0: irq 70 for MSI/MSI-X
[ 1.116585] igb 0000:03:00.0: irq 71 for MSI/MSI-X
[ 1.116596] igb 0000:03:00.0: irq 72 for MSI/MSI-X
[ 1.116609] igb 0000:03:00.0: irq 73 for MSI/MSI-X
[ 1.118537] SCSI subsystem initialized
[ 1.120087] libata version 3.00 loaded.
[ 1.122387] ahci 0000:00:1f.2: version 3.0
[ 1.122533] ahci 0000:00:1f.2: irq 74 for MSI/MSI-X
[ 1.128664] microcode: CPU0 sig=0x206d7, pf=0x1, revision=0x70d
[ 1.128824] microcode: CPU0 sig=0x206d7, pf=0x1, revision=0x70d
[ 1.129973] microcode: CPU0 updated to revision 0x710, date = 2013-06-17
[ 1.130062] microcode: CPU1 sig=0x206d7, pf=0x1, revision=0x70d
[ 1.130174] microcode: CPU1 sig=0x206d7, pf=0x1, revision=0x70d
[ 1.130917] microcode: CPU1 updated to revision 0x710, date = 2013-06-17
[ 1.131002] microcode: CPU2 sig=0x206d7, pf=0x1, revision=0x70d
[ 1.131118] microcode: CPU2 sig=0x206d7, pf=0x1, revision=0x70d
[ 1.131846] microcode: CPU2 updated to revision 0x710, date = 2013-06-17
[ 1.131936] microcode: CPU3 sig=0x206d7, pf=0x1, revision=0x70d
[ 1.132038] microcode: CPU3 sig=0x206d7, pf=0x1, revision=0x70d
[ 1.132765] microcode: CPU3 updated to revision 0x710, date = 2013-06-17
[ 1.132861] microcode: CPU4 sig=0x206d7, pf=0x1, revision=0x70d
[ 1.132977] microcode: CPU4 sig=0x206d7, pf=0x1, revision=0x70d
[ 1.133706] microcode: CPU4 updated to revision 0x710, date = 2013-06-17
[ 1.133797] microcode: CPU5 sig=0x206d7, pf=0x1, revision=0x70d
[ 1.133895] microcode: CPU5 sig=0x206d7, pf=0x1, revision=0x70d
[ 1.134624] microcode: CPU5 updated to revision 0x710, date = 2013-06-17
[ 1.134705] microcode: CPU6 sig=0x206d7, pf=0x1, revision=0x70d
[ 1.134802] microcode: CPU6 sig=0x206d7, pf=0x1, revision=0x70d
[ 1.135522] microcode: CPU6 updated to revision 0x710, date = 2013-06-17
[ 1.135613] microcode: CPU7 sig=0x206d7, pf=0x1, revision=0x70d
[ 1.135716] microcode: CPU7 sig=0x206d7, pf=0x1, revision=0x70d
[ 1.136442] microcode: CPU7 updated to revision 0x710, date = 2013-06-17
[ 1.136531] microcode: CPU8 sig=0x206d7, pf=0x1, revision=0x70d
[ 1.136631] microcode: CPU8 sig=0x206d7, pf=0x1, revision=0x70d
[ 1.136760] ahci 0000:00:1f.2: AHCI 0001.0300 32 slots 6 ports 6 Gbps 0x3f impl SATA mode
[ 1.136856] ahci 0000:00:1f.2: flags: 64bit ncq sntf pm led clo pio slum part ems apst
[ 1.136951] ahci 0000:00:1f.2: setting latency timer to 64
[ 1.137373] microcode: CPU8 updated to revision 0x710, date = 2013-06-17
[ 1.137489] microcode: CPU9 sig=0x206d7, pf=0x1, revision=0x70d
[ 1.137606] microcode: CPU9 sig=0x206d7, pf=0x1, revision=0x70d
[ 1.138334] microcode: CPU9 updated to revision 0x710, date = 2013-06-17
[ 1.138425] microcode: CPU10 sig=0x206d7, pf=0x1, revision=0x70d
[ 1.138538] microcode: CPU10 sig=0x206d7, pf=0x1, revision=0x70d
[ 1.139268] microcode: CPU10 updated to revision 0x710, date = 2013-06-17
[ 1.139354] microcode: CPU11 sig=0x206d7, pf=0x1, revision=0x70d
[ 1.139466] microcode: CPU11 sig=0x206d7, pf=0x1, revision=0x70d
[ 1.140196] microcode: CPU11 updated to revision 0x710, date = 2013-06-17
[ 1.140356] microcode: Microcode Update Driver: v2.00 <tigran@aivazian.fsnet.co.uk>, Peter Oruba
[ 1.177366] scsi0 : ahci
[ 1.177655] scsi1 : ahci
[ 1.177869] scsi2 : ahci
[ 1.178142] scsi3 : ahci
[ 1.178360] scsi4 : ahci
[ 1.178578] scsi5 : ahci
[ 1.178726] ata1: SATA max UDMA/133 abar m2048@0xfb821000 port 0xfb821100 irq 74
[ 1.178817] ata2: SATA max UDMA/133 abar m2048@0xfb821000 port 0xfb821180 irq 74
[ 1.178905] ata3: SATA max UDMA/133 abar m2048@0xfb821000 port 0xfb821200 irq 74
[ 1.178993] ata4: SATA max UDMA/133 abar m2048@0xfb821000 port 0xfb821280 irq 74
[ 1.179081] ata5: SATA max UDMA/133 abar m2048@0xfb821000 port 0xfb821300 irq 74
[ 1.179170] ata6: SATA max UDMA/133 abar m2048@0xfb821000 port 0xfb821380 irq 74
[ 1.193441] igb 0000:03:00.0: added PHC on eth0
[ 1.193514] igb 0000:03:00.0: Intel(R) Gigabit Ethernet Network Connection
[ 1.193590] igb 0000:03:00.0: eth0: (PCIe:5.0Gb/s:Width x4) 00:25:90:97:dc:1e
[ 1.193735] igb 0000:03:00.0: eth0: PBA No: 104900-000
[ 1.193806] igb 0000:03:00.0: Using MSI-X interrupts. 8 rx queue(s), 8 tx queue(s)
[ 1.194283] igb 0000:03:00.1: irq 75 for MSI/MSI-X
[ 1.194293] igb 0000:03:00.1: irq 76 for MSI/MSI-X
[ 1.194301] igb 0000:03:00.1: irq 77 for MSI/MSI-X
[ 1.194309] igb 0000:03:00.1: irq 78 for MSI/MSI-X
[ 1.194316] igb 0000:03:00.1: irq 79 for MSI/MSI-X
[ 1.194324] igb 0000:03:00.1: irq 80 for MSI/MSI-X
[ 1.194331] igb 0000:03:00.1: irq 81 for MSI/MSI-X
[ 1.194339] igb 0000:03:00.1: irq 82 for MSI/MSI-X
[ 1.194346] igb 0000:03:00.1: irq 83 for MSI/MSI-X
[ 1.273269] igb 0000:03:00.1: added PHC on eth1
[ 1.273342] igb 0000:03:00.1: Intel(R) Gigabit Ethernet Network Connection
[ 1.273417] igb 0000:03:00.1: eth1: (PCIe:5.0Gb/s:Width x4) 00:25:90:97:dc:1f
[ 1.273562] igb 0000:03:00.1: eth1: PBA No: 104900-000
[ 1.273633] igb 0000:03:00.1: Using MSI-X interrupts. 8 rx queue(s), 8 tx queue(s)
[ 1.273802] pcieport 0000:00:02.2: driver skip pci_set_master, fix it!
[ 1.274177] igb 0000:05:00.0: irq 84 for MSI/MSI-X
[ 1.274187] igb 0000:05:00.0: irq 85 for MSI/MSI-X
[ 1.274195] igb 0000:05:00.0: irq 86 for MSI/MSI-X
[ 1.274204] igb 0000:05:00.0: irq 87 for MSI/MSI-X
[ 1.274211] igb 0000:05:00.0: irq 88 for MSI/MSI-X
[ 1.274219] igb 0000:05:00.0: irq 89 for MSI/MSI-X
[ 1.274226] igb 0000:05:00.0: irq 90 for MSI/MSI-X
[ 1.274234] igb 0000:05:00.0: irq 91 for MSI/MSI-X
[ 1.274241] igb 0000:05:00.0: irq 92 for MSI/MSI-X
[ 1.353398] igb 0000:05:00.0: added PHC on eth2
[ 1.353472] igb 0000:05:00.0: Intel(R) Gigabit Ethernet Network Connection
[ 1.353547] igb 0000:05:00.0: eth2: (PCIe:5.0Gb/s:Width x4) a0:36:9f:18:17:c2
[ 1.353904] igb 0000:05:00.0: eth2: PBA No: G15138-001
[ 1.353982] igb 0000:05:00.0: Using MSI-X interrupts. 8 rx queue(s), 8 tx queue(s)
[ 1.354453] igb 0000:05:00.1: irq 93 for MSI/MSI-X
[ 1.354463] igb 0000:05:00.1: irq 94 for MSI/MSI-X
[ 1.354471] igb 0000:05:00.1: irq 95 for MSI/MSI-X
[ 1.354479] igb 0000:05:00.1: irq 96 for MSI/MSI-X
[ 1.354486] igb 0000:05:00.1: irq 97 for MSI/MSI-X
[ 1.354494] igb 0000:05:00.1: irq 98 for MSI/MSI-X
[ 1.354501] igb 0000:05:00.1: irq 99 for MSI/MSI-X
[ 1.354509] igb 0000:05:00.1: irq 100 for MSI/MSI-X
[ 1.354517] igb 0000:05:00.1: irq 101 for MSI/MSI-X
[ 1.433311] igb 0000:05:00.1: added PHC on eth3
[ 1.433384] igb 0000:05:00.1: Intel(R) Gigabit Ethernet Network Connection
[ 1.433458] igb 0000:05:00.1: eth3: (PCIe:5.0Gb/s:Width x4) a0:36:9f:18:17:c3
[ 1.433815] igb 0000:05:00.1: eth3: PBA No: G15138-001
[ 1.433886] igb 0000:05:00.1: Using MSI-X interrupts. 8 rx queue(s), 8 tx queue(s)
[ 1.450598] e100: Intel(R) PRO/100 Network Driver, 3.5.24-k2-NAPI
[ 1.450690] e100: Copyright(c) 1999-2006 Intel Corporation
[ 1.455050] e1000: Intel(R) PRO/1000 Network Driver - version 7.3.21-k8-NAPI
[ 1.455129] e1000: Copyright (c) 1999-2006 Intel Corporation.
[ 1.467666] via_rhine: v1.10-LK1.5.1 2010-10-09 Written by Donald Becker
[ 1.493763] md: raid1 personality registered for level 1
[ 1.495476] 3ware Storage Controller device driver for Linux v1.26.02.003.
[ 1.496738] ata1: SATA link up 3.0 Gbps (SStatus 123 SControl 300)
[ 1.496836] ata3: SATA link down (SStatus 0 SControl 300)
[ 1.496933] ata2: SATA link up 3.0 Gbps (SStatus 123 SControl 300)
[ 1.497026] ata5: SATA link down (SStatus 0 SControl 300)
[ 1.498941] ata1.00: ATA-8: WDC WD20EADS-00S2B0, 04.05G04, max UDMA/133
[ 1.499030] ata1.00: 3907029168 sectors, multi 16: LBA48 NCQ (depth 31/32), AA
[ 1.500742] ata6: SATA link down (SStatus 0 SControl 300)
[ 1.500780] ata4: SATA link down (SStatus 0 SControl 300)
[ 1.501594] ata1.00: configured for UDMA/133
[ 1.501851] scsi 0:0:0:0: Direct-Access ATA WDC WD20EADS-00S 04.0 PQ: 0 ANSI: 5
[ 1.502103] sd 0:0:0:0: [sda] 3907029168 512-byte logical blocks: (2.00 TB/1.81 TiB)
[ 1.502397] sd 0:0:0:0: [sda] Write Protect is off
[ 1.502469] sd 0:0:0:0: [sda] Mode Sense: 00 3a 00 00
[ 1.502549] sd 0:0:0:0: [sda] Write cache: enabled, read cache: enabled, doesn't support DPO or FUA
[ 1.503063] ata2.00: ATA-8: WDC WD20EADS-00R6B0, 01.00A01, max UDMA/133
[ 1.503143] ata2.00: 3907029168 sectors, multi 16: LBA48 NCQ (depth 31/32), AA
[ 1.505050] sd 0:0:0:0: Attached scsi generic sg0 type 0
[ 1.509072] ata2.00: configured for UDMA/133
[ 1.509306] scsi 1:0:0:0: Direct-Access ATA WDC WD20EADS-00R 01.0 PQ: 0 ANSI: 5
[ 1.509584] sd 1:0:0:0: [sdb] 3907029168 512-byte logical blocks: (2.00 TB/1.81 TiB)
[ 1.509597] sd 1:0:0:0: Attached scsi generic sg1 type 0
[ 1.510000] sd 1:0:0:0: [sdb] Write Protect is off
[ 1.510075] sd 1:0:0:0: [sdb] Mode Sense: 00 3a 00 00
[ 1.510195] sd 1:0:0:0: [sdb] Write cache: enabled, read cache: enabled, doesn't support DPO or FUA
[ 1.510731] sda: sda1 sda2 sda3
[ 1.516692] sd 0:0:0:0: [sda] Attached SCSI disk
[ 1.527180] sdb: sdb1 sdb2 sdb3
[ 1.528266] sd 1:0:0:0: [sdb] Attached SCSI disk
[ 1.617985] md: md1 stopped.
[ 1.618646] md: bind<sda2>
[ 1.620069] md/raid1:md1: active with 1 out of 2 mirrors
[ 1.620176] md1: detected capacity change from 0 to 17178746880
[ 1.620295] RAID1 conf printout:
[ 1.620297] --- wd:1 rd:2
[ 1.620298] disk 0, wo:0, o:1, dev:sda2
[ 1.626874] md1: unknown partition table
[ 1.835982] md: md2 stopped.
[ 1.836659] md: bind<sdb3>
[ 1.836870] md: bind<sda3>
[ 1.838743] md/raid1:md2: active with 2 out of 2 mirrors
[ 1.838839] md2: detected capacity change from 0 to 1983007113216
[ 1.838932] RAID1 conf printout:
[ 1.838935] --- wd:2 rd:2
[ 1.838938] disk 0, wo:0, o:1, dev:sda3
[ 1.838939] disk 1, wo:0, o:1, dev:sdb3
[ 1.848710] md2: unknown partition table
[ 1.972804] tsc: Refined TSC clocksource calibration: 1999.999 MHz
[ 2.042479] md: md0 stopped.
[ 2.043221] md: bind<sdb1>
[ 2.043430] md: bind<sda1>
[ 2.044925] md/raid1:md0: active with 2 out of 2 mirrors
[ 2.045020] md0: detected capacity change from 0 to 209702912
[ 2.045139] RAID1 conf printout:
[ 2.045140] --- wd:2 rd:2
[ 2.045143] disk 0, wo:0, o:1, dev:sda1
[ 2.045145] disk 1, wo:0, o:1, dev:sdb1
[ 2.046421] md0: unknown partition table
[ 2.294075] kjournald starting. Commit interval 5 seconds
[ 2.294597] EXT3-fs (md2): mounted filesystem with ordered data mode
[ 2.972995] Switched to clocksource tsc
[ 4.864390] udevd[572]: starting version 175
[ 5.144965] input: Power Button as /devices/LNXSYSTM:00/device:00/PNP0C0C:00/input/input0
[ 5.145066] ACPI: Power Button [PWRB]
[ 5.145204] input: Power Button as /devices/LNXSYSTM:00/LNXPWRBN:00/input/input1
[ 5.145296] ACPI: Power Button [PWRF]
[ 5.190660] wmi: Mapper loaded
[ 5.310723] ipmi message handler version 39.2
[ 5.346745] EDAC MC: Ver: 3.0.0
[ 5.349291] ACPI: Requesting acpi_cpufreq
[ 5.354218] IPMI System Interface driver.
[ 5.354322] ipmi_si: probing via ACPI
[ 5.355634] ipmi_si 00:0b: [io 0x0ca2] regsize 1 spacing 1 irq 0
[ 5.355705] ipmi_si: Adding ACPI-specified kcs state machine
[ 5.355838] ipmi_si: probing via SMBIOS
[ 5.355906] ipmi_si: SMBIOS: io 0xca2 regsize 1 spacing 1 irq 0
[ 5.355977] ipmi_si: Adding SMBIOS-specified kcs state machine duplicate interface
[ 5.356112] ipmi_si: probing via SPMI
[ 5.356180] ipmi_si: SPMI: io 0xca2 regsize 1 spacing 1 irq 0
[ 5.356250] ipmi_si: Adding SPMI-specified kcs state machine duplicate interface
[ 5.356384] ipmi_si: Trying ACPI-specified kcs state machine at i/o address 0xca2, slave address 0x0, irq 0
[ 5.489492] ipmi_si 00:0b: Found new BMC (man_id: 0x002a7c, prod_id: 0x0668, dev_id: 0x20)
[ 5.489599] ipmi_si 00:0b: IPMI kcs interface initialized
[ 5.521856] EDAC sbridge: Seeking for: dev 0e.0 PCI ID 8086:3ca0
[ 5.521938] EDAC sbridge: Seeking for: dev 0e.0 PCI ID 8086:3ca0
[ 5.522011] EDAC sbridge: Seeking for: dev 0f.0 PCI ID 8086:3ca8
[ 5.522086] EDAC sbridge: Seeking for: dev 0f.0 PCI ID 8086:3ca8
[ 5.522158] EDAC sbridge: Seeking for: dev 0f.1 PCI ID 8086:3c71
[ 5.522233] EDAC sbridge: Seeking for: dev 0f.1 PCI ID 8086:3c71
[ 5.522306] EDAC sbridge: Seeking for: dev 0f.2 PCI ID 8086:3caa
[ 5.522381] EDAC sbridge: Seeking for: dev 0f.2 PCI ID 8086:3caa
[ 5.522453] EDAC sbridge: Seeking for: dev 0f.3 PCI ID 8086:3cab
[ 5.522528] EDAC sbridge: Seeking for: dev 0f.3 PCI ID 8086:3cab
[ 5.522600] EDAC sbridge: Seeking for: dev 0f.4 PCI ID 8086:3cac
[ 5.522675] EDAC sbridge: Seeking for: dev 0f.4 PCI ID 8086:3cac
[ 5.522748] EDAC sbridge: Seeking for: dev 0f.5 PCI ID 8086:3cad
[ 5.522823] EDAC sbridge: Seeking for: dev 0f.5 PCI ID 8086:3cad
[ 5.522895] EDAC sbridge: Seeking for: dev 11.0 PCI ID 8086:3cb8
[ 5.522971] EDAC sbridge: Seeking for: dev 11.0 PCI ID 8086:3cb8
[ 5.523043] EDAC sbridge: Seeking for: dev 0c.6 PCI ID 8086:3cf4
[ 5.523117] EDAC sbridge: Seeking for: dev 0c.6 PCI ID 8086:3cf4
[ 5.523190] EDAC sbridge: Seeking for: dev 0c.7 PCI ID 8086:3cf6
[ 5.523265] EDAC sbridge: Seeking for: dev 0c.7 PCI ID 8086:3cf6
[ 5.523337] EDAC sbridge: Seeking for: dev 0d.6 PCI ID 8086:3cf5
[ 5.523412] EDAC sbridge: Seeking for: dev 0d.6 PCI ID 8086:3cf5
[ 5.523655] EDAC MC0: Giving out device to 'sbridge_edac.c' 'Sandy Bridge Socket#0': DEV 0000:ff:0e.0
[ 5.523746] EDAC sbridge: Driver loaded.
[ 5.656444] input: PC Speaker as /devices/platform/pcspkr/input/input2
[ 5.700367] ACPI Warning: 0x0000000000000428-0x000000000000042f SystemIO conflicts with Region \PMIO 1 (20130725/utaddress-251)
[ 5.700569] ACPI: If an ACPI driver is available for this device, you should use it instead of the native driver
[ 5.700664] ACPI Warning: 0x0000000000000500-0x000000000000052f SystemIO conflicts with Region \GINV 1 (20130725/utaddress-251)
[ 5.700859] ACPI Warning: 0x0000000000000500-0x000000000000052f SystemIO conflicts with Region \GPIO 2 (20130725/utaddress-251)
[ 5.701048] ACPI Warning: 0x0000000000000500-0x000000000000052f SystemIO conflicts with Region \_SB_.PCI0.HEC2.GPO2 3 (20130725/utaddress-251)
[ 5.701239] ACPI: If an ACPI driver is available for this device, you should use it instead of the native driver
[ 5.701357] lpc_ich: Resource conflict(s) found affecting gpio_ich
[ 5.851000] ACPI: bus type USB registered
[ 5.851099] usbcore: registered new interface driver usbfs
[ 5.851180] usbcore: registered new interface driver hub
[ 5.851348] usbcore: registered new device driver usb
[ 5.863037] ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver
[ 5.868291] iTCO_vendor_support: vendor-support=0
[ 5.870399] ehci-pci: EHCI PCI platform driver
[ 5.870619] ehci-pci 0000:00:1a.0: setting latency timer to 64
[ 5.870641] ehci-pci 0000:00:1a.0: EHCI Host Controller
[ 5.870717] ehci-pci 0000:00:1a.0: new USB bus registered, assigned bus number 1
[ 5.870816] ehci-pci 0000:00:1a.0: debug port 2
[ 5.874793] ehci-pci 0000:00:1a.0: cache line size of 64 is not supported
[ 5.874827] ehci-pci 0000:00:1a.0: irq 16, io mem 0xfb823000
[ 5.884721] ehci-pci 0000:00:1a.0: USB 2.0 started, EHCI 1.00
[ 5.884839] usb usb1: New USB device found, idVendor=1d6b, idProduct=0002
[ 5.884913] usb usb1: New USB device strings: Mfr=3, Product=2, SerialNumber=1
[ 5.885001] usb usb1: Product: EHCI Host Controller
[ 5.885071] usb usb1: Manufacturer: Linux 3.12.0-rc5+ ehci_hcd
[ 5.885142] usb usb1: SerialNumber: 0000:00:1a.0
[ 5.885345] hub 1-0:1.0: USB hub found
[ 5.885420] hub 1-0:1.0: 2 ports detected
[ 5.885744] ehci-pci 0000:00:1d.0: setting latency timer to 64
[ 5.885761] ehci-pci 0000:00:1d.0: EHCI Host Controller
[ 5.885836] ehci-pci 0000:00:1d.0: new USB bus registered, assigned bus number 2
[ 5.885935] ehci-pci 0000:00:1d.0: debug port 2
[ 5.889887] ehci-pci 0000:00:1d.0: cache line size of 64 is not supported
[ 5.889923] ehci-pci 0000:00:1d.0: irq 23, io mem 0xfb822000
[ 5.900708] ehci-pci 0000:00:1d.0: USB 2.0 started, EHCI 1.00
[ 5.900817] usb usb2: New USB device found, idVendor=1d6b, idProduct=0002
[ 5.900890] usb usb2: New USB device strings: Mfr=3, Product=2, SerialNumber=1
[ 5.900978] usb usb2: Product: EHCI Host Controller
[ 5.901048] usb usb2: Manufacturer: Linux 3.12.0-rc5+ ehci_hcd
[ 5.901119] usb usb2: SerialNumber: 0000:00:1d.0
[ 5.901300] hub 2-0:1.0: USB hub found
[ 5.901374] hub 2-0:1.0: 2 ports detected
[ 5.926812] iTCO_wdt: Intel TCO WatchDog Timer Driver v1.10
[ 5.926906] iTCO_wdt: Found a Patsburg TCO device (Version=2, TCOBASE=0x0460)
[ 5.927076] iTCO_wdt: initialized. heartbeat=30 sec (nowayout=0)
[ 6.059469] alg: No test for __gcm-aes-aesni (__driver-gcm-aes-aesni)
[ 6.097328] ioatdma: Intel(R) QuickData Technology Driver 4.00
[ 6.097651] ioatdma 0000:00:04.0: irq 102 for MSI/MSI-X
[ 6.097898] igb 0000:03:00.0: DCA enabled
[ 6.097992] igb 0000:03:00.1: DCA enabled
[ 6.098261] ioatdma 0000:00:04.1: irq 103 for MSI/MSI-X
[ 6.098463] igb 0000:05:00.0: DCA enabled
[ 6.098554] igb 0000:05:00.1: DCA enabled
[ 6.098870] ioatdma 0000:00:04.2: irq 104 for MSI/MSI-X
[ 6.099648] ioatdma 0000:00:04.3: irq 105 for MSI/MSI-X
[ 6.100145] ioatdma 0000:00:04.4: irq 106 for MSI/MSI-X
[ 6.100523] ioatdma 0000:00:04.5: irq 107 for MSI/MSI-X
[ 6.100873] ioatdma 0000:00:04.6: irq 108 for MSI/MSI-X
[ 6.101196] ioatdma 0000:00:04.7: irq 109 for MSI/MSI-X
[ 6.117243] Error: Driver 'pcspkr' is already registered, aborting...
[ 6.147760] i801_smbus 0000:00:1f.3: SMBus using PCI Interrupt
[ 6.196732] usb 1-1: new high-speed USB device number 2 using ehci-pci
[ 6.329119] usb 1-1: New USB device found, idVendor=8087, idProduct=0024
[ 6.329205] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0
[ 6.329680] hub 1-1:1.0: USB hub found
[ 6.329865] hub 1-1:1.0: 6 ports detected
[ 6.440832] usb 2-1: new high-speed USB device number 2 using ehci-pci
[ 6.573115] usb 2-1: New USB device found, idVendor=8087, idProduct=0024
[ 6.573195] usb 2-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0
[ 6.573708] hub 2-1:1.0: USB hub found
[ 6.574023] hub 2-1:1.0: 8 ports detected
[ 6.644898] usb 1-1.2: new full-speed USB device number 3 using ehci-pci
[ 6.738838] usb 1-1.2: New USB device found, idVendor=0557, idProduct=2221
[ 6.738915] usb 1-1.2: New USB device strings: Mfr=1, Product=2, SerialNumber=0
[ 6.739003] usb 1-1.2: Product: Hermon USB hidmouse Device
[ 6.739074] usb 1-1.2: Manufacturer: Winbond Electronics Corp
[ 6.780045] hidraw: raw HID events driver (C) Jiri Kosina
[ 6.783057] usbcore: registered new interface driver usbhid
[ 6.783129] usbhid: USB HID core driver
[ 6.797615] input: Winbond Electronics Corp Hermon USB hidmouse Device as /devices/pci0000:00/0000:00:1a.0/usb1/1-1/1-1.2/1-1.2:1.0/input/input3
[ 6.797932] hid-generic 0003:0557:2221.0001: input,hidraw0: USB HID v1.00 Mouse [Winbond Electronics Corp Hermon USB hidmouse Device] on usb-0000:00:1a.0-1.2/input0
[ 6.798302] input: Winbond Electronics Corp Hermon USB hidmouse Device as /devices/pci0000:00/0000:00:1a.0/usb1/1-1/1-1.2/1-1.2:1.1/input/input4
[ 6.804236] hid-generic 0003:0557:2221.0002: input,hidraw1: USB HID v1.00 Keyboard [Winbond Electronics Corp Hermon USB hidmouse Device] on usb-0000:00:1a.0-1.2/input1
[ 7.173766] Adding 16776116k swap on /dev/md1. Priority:-1 extents:1 across:16776116k
[ 7.245067] EXT3-fs (md2): using internal journal
[ 7.645797] loop: module loaded
[ 7.866279] Fusion MPT base driver 3.04.20
[ 7.866353] Copyright (c) 1999-2008 LSI Corporation
[ 7.876599] Fusion MPT SPI Host driver 3.04.20
[ 7.934363] nf_conntrack version 0.5.0 (16384 buckets, 65536 max)
[ 11.286713] kjournald starting. Commit interval 5 seconds
[ 11.297889] EXT3-fs (md0): using internal journal
[ 11.297979] EXT3-fs (md0): mounted filesystem with ordered data mode
[ 11.741785] ISO 9660 Extensions: Microsoft Joliet Level 3
[ 11.856191] ISO 9660 Extensions: RRIP_1991A
[ 11.943248] ISO 9660 Extensions: Microsoft Joliet Level 3
[ 11.960889] ISO 9660 Extensions: RRIP_1991A
[ 12.230732] UDF-fs: warning (device loop5): udf_load_vrs: No anchor found
[ 12.230809] UDF-fs: Rescanning with blocksize 2048
[ 12.231938] UDF-fs: INFO Mounting volume 'UDF Volume', timestamp 2012/07/26 11:16 (1078)
[ 12.232888] UDF-fs: warning (device loop6): udf_load_vrs: No anchor found
[ 12.232963] UDF-fs: Rescanning with blocksize 2048
[ 12.233264] UDF-fs: INFO Mounting volume 'UDF Volume', timestamp 2012/07/26 11:16 (1078)
[ 12.312402] ISO 9660 Extensions: Microsoft Joliet Level 3
[ 12.338617] ISO 9660 Extensions: RRIP_1991A
[ 12.417054] ISO 9660 Extensions: Microsoft Joliet Level 3
[ 12.435496] ISO 9660 Extensions: RRIP_1991A
[ 12.479945] ISO 9660 Extensions: Microsoft Joliet Level 3
[ 12.552621] ISO 9660 Extensions: RRIP_1991A
[ 12.584928] ISO 9660 Extensions: Microsoft Joliet Level 3
[ 12.600544] ISO 9660 Extensions: RRIP_1991A
[ 12.646825] ISO 9660 Extensions: Microsoft Joliet Level 3
[ 12.695972] ISO 9660 Extensions: RRIP_1991A
[ 12.742522] ISO 9660 Extensions: Microsoft Joliet Level 3
[ 12.817960] ISO 9660 Extensions: RRIP_1991A
[ 12.897240] ISO 9660 Extensions: Microsoft Joliet Level 3
[ 12.906041] ISO 9660 Extensions: RRIP_1991A
[ 14.643674] bonding: Ethernet Channel Bonding Driver: v3.7.1 (April 27, 2011)
[ 14.653771] bonding: bond0: Setting MII monitoring interval to 100.
[ 14.657585] bonding: bond0: setting mode to balance-tlb (5).
[ 14.660936] bonding: bond0: Adding slave eth0.
[ 14.757431] bonding: bond0: enslaving eth0 as an active interface with a down link.
[ 14.770985] bonding: bond0: Adding slave eth1.
[ 14.865464] bonding: bond0: enslaving eth1 as an active interface with a down link.
[ 14.869976] bonding: bond0: Adding slave eth2.
[ 14.965313] bonding: bond0: enslaving eth2 as an active interface with a down link.
[ 14.969795] bonding: bond0: Adding slave eth3.
[ 15.065456] bonding: bond0: enslaving eth3 as an active interface with a down link.
[ 15.073178] IPv6: ADDRCONF(NETDEV_UP): bond0: link is not ready
[ 17.698053] igb: eth0 NIC Link is Up 1000 Mbps Full Duplex, Flow Control: RX
[ 17.772814] bonding: bond0: link status definitely up for interface eth0, 1000 Mbps full duplex.
[ 17.772915] bonding: bond0: making interface eth0 the new active one.
[ 17.773076] bonding: bond0: first active interface up!
[ 17.773159] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready
[ 17.814093] igb: eth1 NIC Link is Up 1000 Mbps Full Duplex, Flow Control: RX
[ 17.872810] bonding: bond0: link status definitely up for interface eth1, 1000 Mbps full duplex.
[ 17.902092] igb: eth2 NIC Link is Up 1000 Mbps Full Duplex, Flow Control: RX
[ 17.972849] bonding: bond0: link status definitely up for interface eth2, 1000 Mbps full duplex.
[ 18.082067] igb: eth3 NIC Link is Up 1000 Mbps Full Duplex, Flow Control: RX
[ 18.172815] bonding: bond0: link status definitely up for interface eth3, 1000 Mbps full duplex.
[ 19.080783] RTNL: assertion failed at drivers/net/bonding/bond_main.c (3398)
[ 19.080868] CPU: 4 PID: 0 Comm: swapper/4 Not tainted 3.12.0-rc5+ #1
[ 19.080944] Hardware name: Supermicro X9SRD-F/X9SRD-F, BIOS 1.0a 10/15/2012
[ 19.081022] 0000000000000000 0000000000000000 ffffffff81373aba ffff88103e1a0000
[ 19.081316] ffffffffa040aea2 ffff88103e1a0000 0000000000000000 ffff88103e1a0000
[ 19.081607] ffffffff812c54f5 00000000ffffffff ffff88107fc83c90 ffff88107f000480
[ 19.081912] Call Trace:
[ 19.081982] <IRQ> [<ffffffff81373aba>] ? dump_stack+0x41/0x51
[ 19.082176] [<ffffffffa040aea2>] ? bond_set_rx_mode+0x2d/0xa7 [bonding]
[ 19.082258] [<ffffffff812c54f5>] ? __dev_mc_add+0x48/0x59
[ 19.082337] [<ffffffff8134d4ee>] ? igmp6_group_added+0x65/0x17d
[ 19.082418] [<ffffffff810fc836>] ? kmem_cache_alloc_trace+0xbb/0xcb
[ 19.082497] [<ffffffff8134e7dd>] ? ipv6_dev_mc_inc+0x20e/0x236
[ 19.082578] [<ffffffff81339f70>] ? addrconf_join_solict+0x2e/0x33
[ 19.082656] [<ffffffff81332e22>] ? ipv6_dev_ac_inc+0x131/0x16f
[ 19.082735] [<ffffffff81336f67>] ? addrconf_join_anycast+0x38/0x3e
[ 19.082814] [<ffffffff8133a0b1>] ? __ipv6_ifa_notify+0x106/0x234
[ 19.082893] [<ffffffff8133a20d>] ? ipv6_ifa_notify+0x2e/0x37
[ 19.082971] [<ffffffff8133a660>] ? addrconf_dad_completed+0x32/0x185
[ 19.083050] [<ffffffff8133a874>] ? addrconf_dad_timer+0xc1/0x13c
[ 19.083129] [<ffffffff8133a7b3>] ? addrconf_dad_completed+0x185/0x185
[ 19.083210] [<ffffffff81040613>] ? call_timer_fn+0x4b/0xf6
[ 19.083288] [<ffffffff8133a7b3>] ? addrconf_dad_completed+0x185/0x185
[ 19.083367] [<ffffffff81040c04>] ? run_timer_softirq+0x189/0x1ce
[ 19.083448] [<ffffffff8107c7dd>] ? tick_sched_do_timer+0x25/0x25
[ 19.083527] [<ffffffff8103ad68>] ? __do_softirq+0xe8/0x201
[ 19.083606] [<ffffffff81075d98>] ? ktime_get+0x5f/0x6b
[ 19.083682] [<ffffffff8107afca>] ? clockevents_program_event+0x9a/0xb6
[ 19.083761] [<ffffffff8137df5c>] ? call_softirq+0x1c/0x30
[ 19.083839] [<ffffffff81003b7c>] ? do_softirq+0x2c/0x60
[ 19.083916] [<ffffffff8103af46>] ? irq_exit+0x3b/0x7f
[ 19.083994] [<ffffffff81023b19>] ? smp_apic_timer_interrupt+0x2c/0x37
[ 19.084074] [<ffffffff8137d48a>] ? apic_timer_interrupt+0x6a/0x70
[ 19.084149] <EOI> [<ffffffff8129a6b1>] ? cpuidle_enter_state+0x43/0xa6
[ 19.084330] [<ffffffff8129a6aa>] ? cpuidle_enter_state+0x3c/0xa6
[ 19.084408] [<ffffffff8129a7e6>] ? cpuidle_idle_call+0xd2/0x142
[ 19.084486] [<ffffffff81008ff9>] ? arch_cpu_idle+0x6/0x17
[ 19.084563] [<ffffffff8106f7e9>] ? cpu_startup_entry+0x10d/0x180
[ 19.084641] [<ffffffff8137780c>] ? _raw_spin_unlock_irqrestore+0x6/0x7
[ 19.084726] [<ffffffff810226dd>] ? start_secondary+0x1df/0x1e5
[ 288.351173] 8021q: 802.1Q VLAN Support v1.8
[ 288.351258] 8021q: adding VLAN 0 to HW filter on device eth0
[ 288.351382] 8021q: adding VLAN 0 to HW filter on device eth1
[ 288.351506] 8021q: adding VLAN 0 to HW filter on device eth2
[ 288.351628] 8021q: adding VLAN 0 to HW filter on device eth3
[ 288.351751] 8021q: adding VLAN 0 to HW filter on device bond0
[ 290.160653] RTNL: assertion failed at drivers/net/bonding/bond_main.c (3398)
[ 290.160740] CPU: 7 PID: 0 Comm: swapper/7 Not tainted 3.12.0-rc5+ #1
[ 290.160816] Hardware name: Supermicro X9SRD-F/X9SRD-F, BIOS 1.0a 10/15/2012
[ 290.160894] 0000000000000000 0000000000000000 ffffffff81373aba ffff88103e1a0000
[ 290.161186] ffffffffa040aea2 ffff88103e1a0000 0000000000000000 ffff88103e1a0204
[ 290.161477] ffffffff812c5c61 ffff88103e087000 ffff88103e087000 0000000000000000
[ 290.161769] Call Trace:
[ 290.161845] <IRQ> [<ffffffff81373aba>] ? dump_stack+0x41/0x51
[ 290.162038] [<ffffffffa040aea2>] ? bond_set_rx_mode+0x2d/0xa7 [bonding]
[ 290.162122] [<ffffffff812c5c61>] ? dev_mc_sync+0x58/0x6a
[ 290.162200] [<ffffffffa0429e67>] ? vlan_dev_set_rx_mode+0x13/0x23 [8021q]
[ 290.162280] [<ffffffff812c54f5>] ? __dev_mc_add+0x48/0x59
[ 290.162360] [<ffffffff8134d4ee>] ? igmp6_group_added+0x65/0x17d
[ 290.162441] [<ffffffff810fc836>] ? kmem_cache_alloc_trace+0xbb/0xcb
[ 290.162519] [<ffffffff8134e7dd>] ? ipv6_dev_mc_inc+0x20e/0x236
[ 290.162599] [<ffffffff81339f70>] ? addrconf_join_solict+0x2e/0x33
[ 290.162678] [<ffffffff81332e22>] ? ipv6_dev_ac_inc+0x131/0x16f
[ 290.162756] [<ffffffff81336f67>] ? addrconf_join_anycast+0x38/0x3e
[ 290.162835] [<ffffffff8133a0b1>] ? __ipv6_ifa_notify+0x106/0x234
[ 290.162913] [<ffffffff8133a20d>] ? ipv6_ifa_notify+0x2e/0x37
[ 290.162991] [<ffffffff8133a660>] ? addrconf_dad_completed+0x32/0x185
[ 290.163070] [<ffffffff8133a874>] ? addrconf_dad_timer+0xc1/0x13c
[ 290.163148] [<ffffffff8133a7b3>] ? addrconf_dad_completed+0x185/0x185
[ 290.163228] [<ffffffff81040613>] ? call_timer_fn+0x4b/0xf6
[ 290.163305] [<ffffffff8133a7b3>] ? addrconf_dad_completed+0x185/0x185
[ 290.163384] [<ffffffff81040c04>] ? run_timer_softirq+0x189/0x1ce
[ 290.163464] [<ffffffff8107c7dd>] ? tick_sched_do_timer+0x25/0x25
[ 290.163543] [<ffffffff8103ad68>] ? __do_softirq+0xe8/0x201
[ 290.163621] [<ffffffff81075d98>] ? ktime_get+0x5f/0x6b
[ 290.163697] [<ffffffff8107afca>] ? clockevents_program_event+0x9a/0xb6
[ 290.163776] [<ffffffff8137df5c>] ? call_softirq+0x1c/0x30
[ 290.163854] [<ffffffff81003b7c>] ? do_softirq+0x2c/0x60
[ 290.163931] [<ffffffff8103af46>] ? irq_exit+0x3b/0x7f
[ 290.164009] [<ffffffff81023b19>] ? smp_apic_timer_interrupt+0x2c/0x37
[ 290.164089] [<ffffffff8137d48a>] ? apic_timer_interrupt+0x6a/0x70
[ 290.164164] <EOI> [<ffffffff8129a6b1>] ? cpuidle_enter_state+0x43/0xa6
[ 290.164345] [<ffffffff8129a6aa>] ? cpuidle_enter_state+0x3c/0xa6
[ 290.164422] [<ffffffff8129a7e6>] ? cpuidle_idle_call+0xd2/0x142
[ 290.164500] [<ffffffff81008ff9>] ? arch_cpu_idle+0x6/0x17
[ 290.170083] [<ffffffff8106f7e9>] ? cpu_startup_entry+0x10d/0x180
[ 290.170161] [<ffffffff8137780c>] ? _raw_spin_unlock_irqrestore+0x6/0x7
[ 290.170240] [<ffffffff810226dd>] ? start_secondary+0x1df/0x1e5
[ 290.170377] RTNL: assertion failed at drivers/net/bonding/bond_main.c (3398)
[ 290.170455] CPU: 7 PID: 0 Comm: swapper/7 Not tainted 3.12.0-rc5+ #1
[ 290.170531] Hardware name: Supermicro X9SRD-F/X9SRD-F, BIOS 1.0a 10/15/2012
[ 290.170607] 0000000000000000 0000000000000000 ffffffff81373aba ffff88103e1a0000
[ 290.170897] ffffffffa040aea2 ffff88103e1a0000 0000000000000000 ffff88103e1a0204
[ 290.171186] ffffffff812c5cca 0000000000000000 ffff88103e087000 0000000000000000
[ 290.171484] Call Trace:
[ 290.171554] <IRQ> [<ffffffff81373aba>] ? dump_stack+0x41/0x51
[ 290.171734] [<ffffffffa040aea2>] ? bond_set_rx_mode+0x2d/0xa7 [bonding]
[ 290.171818] [<ffffffff812c5cca>] ? dev_uc_sync+0x57/0x6a
[ 290.171896] [<ffffffff812c54f5>] ? __dev_mc_add+0x48/0x59
[ 290.171974] [<ffffffff8134d4ee>] ? igmp6_group_added+0x65/0x17d
[ 290.172052] [<ffffffff810fc836>] ? kmem_cache_alloc_trace+0xbb/0xcb
[ 290.172132] [<ffffffff8134e7dd>] ? ipv6_dev_mc_inc+0x20e/0x236
[ 290.172210] [<ffffffff81339f70>] ? addrconf_join_solict+0x2e/0x33
[ 290.172288] [<ffffffff81332e22>] ? ipv6_dev_ac_inc+0x131/0x16f
[ 290.172366] [<ffffffff81336f67>] ? addrconf_join_anycast+0x38/0x3e
[ 290.172446] [<ffffffff8133a0b1>] ? __ipv6_ifa_notify+0x106/0x234
[ 290.172524] [<ffffffff8133a20d>] ? ipv6_ifa_notify+0x2e/0x37
[ 290.172604] [<ffffffff8133a660>] ? addrconf_dad_completed+0x32/0x185
[ 290.172683] [<ffffffff8133a874>] ? addrconf_dad_timer+0xc1/0x13c
[ 290.172762] [<ffffffff8133a7b3>] ? addrconf_dad_completed+0x185/0x185
[ 290.172840] [<ffffffff81040613>] ? call_timer_fn+0x4b/0xf6
[ 290.172918] [<ffffffff8133a7b3>] ? addrconf_dad_completed+0x185/0x185
[ 290.172997] [<ffffffff81040c04>] ? run_timer_softirq+0x189/0x1ce
[ 290.173074] [<ffffffff8107c7dd>] ? tick_sched_do_timer+0x25/0x25
[ 290.173153] [<ffffffff8103ad68>] ? __do_softirq+0xe8/0x201
[ 290.173229] [<ffffffff81075d98>] ? ktime_get+0x5f/0x6b
[ 290.173305] [<ffffffff8107afca>] ? clockevents_program_event+0x9a/0xb6
[ 290.173383] [<ffffffff8137df5c>] ? call_softirq+0x1c/0x30
[ 290.173459] [<ffffffff81003b7c>] ? do_softirq+0x2c/0x60
[ 290.173536] [<ffffffff8103af46>] ? irq_exit+0x3b/0x7f
[ 290.173612] [<ffffffff81023b19>] ? smp_apic_timer_interrupt+0x2c/0x37
[ 290.173690] [<ffffffff8137d48a>] ? apic_timer_interrupt+0x6a/0x70
[ 290.173765] <EOI> [<ffffffff8129a6b1>] ? cpuidle_enter_state+0x43/0xa6
[ 290.173944] [<ffffffff8129a6aa>] ? cpuidle_enter_state+0x3c/0xa6
[ 290.174021] [<ffffffff8129a7e6>] ? cpuidle_idle_call+0xd2/0x142
[ 290.174098] [<ffffffff81008ff9>] ? arch_cpu_idle+0x6/0x17
[ 290.174175] [<ffffffff8106f7e9>] ? cpu_startup_entry+0x10d/0x180
[ 290.174252] [<ffffffff8137780c>] ? _raw_spin_unlock_irqrestore+0x6/0x7
[ 290.174331] [<ffffffff810226dd>] ? start_secondary+0x1df/0x1e5
[ 298.920399] RTNL: assertion failed at drivers/net/bonding/bond_main.c (3398)
[ 298.920499] CPU: 7 PID: 4596 Comm: rpcbind Not tainted 3.12.0-rc5+ #1
[ 298.920587] Hardware name: Supermicro X9SRD-F/X9SRD-F, BIOS 1.0a 10/15/2012
[ 298.920676] 0000000000000000 0000000000000000 ffffffff81373aba ffff88103e1a0000
[ 298.920949] ffffffffa040aea2 ffff88103e1a0000 0000000000000000 ffff88103e1a0000
[ 298.921220] ffffffff812c54f5 00000000000000d0 ffff88103ca31c48 ffff88107f000480
[ 298.921492] Call Trace:
[ 298.921564] [<ffffffff81373aba>] ? dump_stack+0x41/0x51
[ 298.921639] [<ffffffffa040aea2>] ? bond_set_rx_mode+0x2d/0xa7 [bonding]
[ 298.921715] [<ffffffff812c54f5>] ? __dev_mc_add+0x48/0x59
[ 298.921789] [<ffffffff8134d4ee>] ? igmp6_group_added+0x65/0x17d
[ 298.921864] [<ffffffff810fc836>] ? kmem_cache_alloc_trace+0xbb/0xcb
[ 298.921937] [<ffffffff8134e7dd>] ? ipv6_dev_mc_inc+0x20e/0x236
[ 298.922010] [<ffffffff8134e91b>] ? ipv6_sock_mc_join+0x116/0x171
[ 298.922084] [<ffffffff813442c4>] ? do_ipv6_setsockopt.isra.6+0x8e4/0xc57
[ 298.922159] [<ffffffff8110dd62>] ? full_name_hash+0x13/0x50
[ 298.922232] [<ffffffff812bd5f9>] ? dev_name_hash.isra.57+0x20/0x35
[ 298.922305] [<ffffffff812bd6fb>] ? dev_get_by_name_rcu+0x31/0x52
[ 298.922378] [<ffffffff810fac27>] ? __cache_free.isra.46+0x178/0x187
[ 298.922453] [<ffffffff81124f93>] ? __inode_wait_for_writeback+0x67/0xae
[ 298.922527] [<ffffffff810fac27>] ? __cache_free.isra.46+0x178/0x187
[ 298.922602] [<ffffffff81117164>] ? dentry_kill+0x13d/0x149
[ 298.922674] [<ffffffff813446ad>] ? compat_ipv6_setsockopt+0x76/0xc4
[ 298.922752] [<ffffffff812d7b61>] ? compat_sys_setsockopt+0x1df/0x203
[ 298.922828] [<ffffffff81059540>] ? should_resched+0x5/0x23
[ 298.922900] [<ffffffff812d7f3b>] ? compat_sys_socketcall+0x126/0x19f
[ 298.922973] [<ffffffff8137dff5>] ? sysenter_dispatch+0x7/0x1a
[ 298.923117] RTNL: assertion failed at drivers/net/bonding/bond_main.c (3398)
[ 298.923191] CPU: 7 PID: 4596 Comm: rpcbind Not tainted 3.12.0-rc5+ #1
[ 298.923263] Hardware name: Supermicro X9SRD-F/X9SRD-F, BIOS 1.0a 10/15/2012
[ 298.923336] 0000000000000000 0000000000000000 ffffffff81373aba ffff88103e1a0000
[ 298.923623] ffffffffa040aea2 ffff88103e1a0000 0000000000000000 ffff88103e1a0204
[ 298.923924] ffffffff812c5c61 ffff88103e087000 ffff88103e087000 0000000000000000
[ 298.924225] Call Trace:
[ 298.924300] [<ffffffff81373aba>] ? dump_stack+0x41/0x51
[ 298.924380] [<ffffffffa040aea2>] ? bond_set_rx_mode+0x2d/0xa7 [bonding]
[ 298.924460] [<ffffffff812c5c61>] ? dev_mc_sync+0x58/0x6a
[ 298.924539] [<ffffffffa0429e67>] ? vlan_dev_set_rx_mode+0x13/0x23 [8021q]
[ 298.924628] [<ffffffff812c54f5>] ? __dev_mc_add+0x48/0x59
[ 298.924716] [<ffffffff8134d4ee>] ? igmp6_group_added+0x65/0x17d
[ 298.924806] [<ffffffff810fc836>] ? kmem_cache_alloc_trace+0xbb/0xcb
[ 298.924885] [<ffffffff8134e7dd>] ? ipv6_dev_mc_inc+0x20e/0x236
[ 298.924962] [<ffffffff8134e91b>] ? ipv6_sock_mc_join+0x116/0x171
[ 298.925045] [<ffffffff813442c4>] ? do_ipv6_setsockopt.isra.6+0x8e4/0xc57
[ 298.925131] [<ffffffff8110dd62>] ? full_name_hash+0x13/0x50
[ 298.925214] [<ffffffff812bd5f9>] ? dev_name_hash.isra.57+0x20/0x35
[ 298.925296] [<ffffffff812bd6fb>] ? dev_get_by_name_rcu+0x31/0x52
[ 298.925375] [<ffffffff810fac27>] ? __cache_free.isra.46+0x178/0x187
[ 298.925455] [<ffffffff81124f93>] ? __inode_wait_for_writeback+0x67/0xae
[ 298.925534] [<ffffffff810fac27>] ? __cache_free.isra.46+0x178/0x187
[ 298.925613] [<ffffffff81117164>] ? dentry_kill+0x13d/0x149
[ 298.925691] [<ffffffff813446ad>] ? compat_ipv6_setsockopt+0x76/0xc4
[ 298.925771] [<ffffffff812d7b61>] ? compat_sys_setsockopt+0x1df/0x203
[ 298.925849] [<ffffffff81059540>] ? should_resched+0x5/0x23
[ 298.925927] [<ffffffff812d7f3b>] ? compat_sys_socketcall+0x126/0x19f
[ 298.926005] [<ffffffff8137dff5>] ? sysenter_dispatch+0x7/0x1a
[ 298.926143] RTNL: assertion failed at drivers/net/bonding/bond_main.c (3398)
[ 298.926222] CPU: 7 PID: 4596 Comm: rpcbind Not tainted 3.12.0-rc5+ #1
[ 298.926298] Hardware name: Supermicro X9SRD-F/X9SRD-F, BIOS 1.0a 10/15/2012
[ 298.926374] 0000000000000000 0000000000000000 ffffffff81373aba ffff88103e1a0000
[ 298.926678] ffffffffa040aea2 ffff88103e1a0000 0000000000000000 ffff88103e1a0204
[ 298.926967] ffffffff812c5cca 0000000000000000 ffff88103e087000 0000000000000000
[ 298.927256] Call Trace:
[ 298.927330] [<ffffffff81373aba>] ? dump_stack+0x41/0x51
[ 298.927409] [<ffffffffa040aea2>] ? bond_set_rx_mode+0x2d/0xa7 [bonding]
[ 298.927489] [<ffffffff812c5cca>] ? dev_uc_sync+0x57/0x6a
[ 298.927566] [<ffffffff812c54f5>] ? __dev_mc_add+0x48/0x59
[ 298.927643] [<ffffffff8134d4ee>] ? igmp6_group_added+0x65/0x17d
[ 298.927726] [<ffffffff810fc836>] ? kmem_cache_alloc_trace+0xbb/0xcb
[ 298.927812] [<ffffffff8134e7dd>] ? ipv6_dev_mc_inc+0x20e/0x236
[ 298.927893] [<ffffffff8134e91b>] ? ipv6_sock_mc_join+0x116/0x171
[ 298.927972] [<ffffffff813442c4>] ? do_ipv6_setsockopt.isra.6+0x8e4/0xc57
[ 298.928050] [<ffffffff8110dd62>] ? full_name_hash+0x13/0x50
[ 298.928127] [<ffffffff812bd5f9>] ? dev_name_hash.isra.57+0x20/0x35
[ 298.928205] [<ffffffff812bd6fb>] ? dev_get_by_name_rcu+0x31/0x52
[ 298.928283] [<ffffffff810fac27>] ? __cache_free.isra.46+0x178/0x187
[ 298.928362] [<ffffffff81124f93>] ? __inode_wait_for_writeback+0x67/0xae
[ 298.928441] [<ffffffff810fac27>] ? __cache_free.isra.46+0x178/0x187
[ 298.928521] [<ffffffff81117164>] ? dentry_kill+0x13d/0x149
[ 298.928608] [<ffffffff813446ad>] ? compat_ipv6_setsockopt+0x76/0xc4
[ 298.928699] [<ffffffff812d7b61>] ? compat_sys_setsockopt+0x1df/0x203
[ 298.928790] [<ffffffff81059540>] ? should_resched+0x5/0x23
[ 298.928867] [<ffffffff812d7f3b>] ? compat_sys_socketcall+0x126/0x19f
[ 298.928945] [<ffffffff8137dff5>] ? sysenter_dispatch+0x7/0x1a
[ 299.185287] RPC: Registered named UNIX socket transport module.
[ 299.185374] RPC: Registered udp transport module.
[ 299.185443] RPC: Registered tcp transport module.
[ 299.185511] RPC: Registered tcp NFSv4.1 backchannel transport module.
[ 299.235908] FS-Cache: Loaded
[ 299.264498] FS-Cache: Netfs 'nfs' registered for caching
[ 299.298592] Installing knfsd (copyright (C) 1996 okir@monad.swb.de).
[ 304.218323] Netfilter messages via NETLINK v0.30.
[ 313.028841] tun: Universal TUN/TAP device driver, 1.6
[ 313.028931] tun: (C) 1999-2004 Max Krasnyansky <maxk@qualcomm.com>
[ 313.409097] ip_tables: (C) 2000-2006 Netfilter Core Team
[ 314.231257] RTNL: assertion failed at drivers/net/bonding/bond_main.c (3398)
[ 314.231336] CPU: 0 PID: 6146 Comm: avahi-daemon Not tainted 3.12.0-rc5+ #1
[ 314.231410] Hardware name: Supermicro X9SRD-F/X9SRD-F, BIOS 1.0a 10/15/2012
[ 314.231484] 0000000000000000 0000000000000000 ffffffff81373aba ffff88103e1a0000
[ 314.231758] ffffffffa040aea2 ffff88103e1a0000 0000000000000000 ffff88103e1a0204
[ 314.232035] ffffffff812c5c61 ffff88103e087000 ffff88103e087000 0000000000000000
[ 314.232317] Call Trace:
[ 314.232397] [<ffffffff81373aba>] ? dump_stack+0x41/0x51
[ 314.232475] [<ffffffffa040aea2>] ? bond_set_rx_mode+0x2d/0xa7 [bonding]
[ 314.232552] [<ffffffff812c5c61>] ? dev_mc_sync+0x58/0x6a
[ 314.232624] [<ffffffffa0429e67>] ? vlan_dev_set_rx_mode+0x13/0x23 [8021q]
[ 314.232699] [<ffffffff812c54f5>] ? __dev_mc_add+0x48/0x59
[ 314.232779] [<ffffffff8134d4ee>] ? igmp6_group_added+0x65/0x17d
[ 314.232856] [<ffffffff810fc836>] ? kmem_cache_alloc_trace+0xbb/0xcb
[ 314.232929] [<ffffffff8134e7dd>] ? ipv6_dev_mc_inc+0x20e/0x236
[ 314.233001] [<ffffffff8134e91b>] ? ipv6_sock_mc_join+0x116/0x171
[ 314.233076] [<ffffffff813442c4>] ? do_ipv6_setsockopt.isra.6+0x8e4/0xc57
[ 314.233151] [<ffffffff812aeac3>] ? sock_sendmsg+0x49/0x64
[ 314.233225] [<ffffffff8111b33d>] ? fget_light+0x2e/0x7c
[ 314.233297] [<ffffffff812acbdc>] ? sockfd_lookup_light+0x17/0x4b
[ 314.233369] [<ffffffff812af517>] ? SYSC_sendto+0xec/0x101
[ 314.233441] [<ffffffff813446ad>] ? compat_ipv6_setsockopt+0x76/0xc4
[ 314.233517] [<ffffffff812d7b61>] ? compat_sys_setsockopt+0x1df/0x203
[ 314.233591] [<ffffffff812d7f3b>] ? compat_sys_socketcall+0x126/0x19f
[ 314.233665] [<ffffffff8137dff5>] ? sysenter_dispatch+0x7/0x1a
[ 314.233794] RTNL: assertion failed at drivers/net/bonding/bond_main.c (3398)
[ 314.233868] CPU: 0 PID: 6146 Comm: avahi-daemon Not tainted 3.12.0-rc5+ #1
[ 314.233940] Hardware name: Supermicro X9SRD-F/X9SRD-F, BIOS 1.0a 10/15/2012
[ 314.234013] 0000000000000000 0000000000000000 ffffffff81373aba ffff88103e1a0000
[ 314.234285] ffffffffa040aea2 ffff88103e1a0000 0000000000000000 ffff88103e1a0204
[ 314.234558] ffffffff812c5cca 0000000000000000 ffff88103e087000 0000000000000000
[ 314.234831] Call Trace:
[ 314.234897] [<ffffffff81373aba>] ? dump_stack+0x41/0x51
[ 314.234970] [<ffffffffa040aea2>] ? bond_set_rx_mode+0x2d/0xa7 [bonding]
[ 314.235044] [<ffffffff812c5cca>] ? dev_uc_sync+0x57/0x6a
[ 314.235123] [<ffffffff812c54f5>] ? __dev_mc_add+0x48/0x59
[ 314.235194] [<ffffffff8134d4ee>] ? igmp6_group_added+0x65/0x17d
[ 314.235274] [<ffffffff810fc836>] ? kmem_cache_alloc_trace+0xbb/0xcb
[ 314.235347] [<ffffffff8134e7dd>] ? ipv6_dev_mc_inc+0x20e/0x236
[ 314.235420] [<ffffffff8134e91b>] ? ipv6_sock_mc_join+0x116/0x171
[ 314.235493] [<ffffffff813442c4>] ? do_ipv6_setsockopt.isra.6+0x8e4/0xc57
[ 314.235566] [<ffffffff812aeac3>] ? sock_sendmsg+0x49/0x64
[ 314.235639] [<ffffffff8111b33d>] ? fget_light+0x2e/0x7c
[ 314.235710] [<ffffffff812acbdc>] ? sockfd_lookup_light+0x17/0x4b
[ 314.235782] [<ffffffff812af517>] ? SYSC_sendto+0xec/0x101
[ 314.235854] [<ffffffff813446ad>] ? compat_ipv6_setsockopt+0x76/0xc4
[ 314.235928] [<ffffffff812d7b61>] ? compat_sys_setsockopt+0x1df/0x203
[ 314.236002] [<ffffffff812d7f3b>] ? compat_sys_socketcall+0x126/0x19f
[ 314.236075] [<ffffffff8137dff5>] ? sysenter_dispatch+0x7/0x1a
[ 314.236393] RTNL: assertion failed at drivers/net/bonding/bond_main.c (3398)
[ 314.236467] CPU: 0 PID: 6146 Comm: avahi-daemon Not tainted 3.12.0-rc5+ #1
[ 314.236540] Hardware name: Supermicro X9SRD-F/X9SRD-F, BIOS 1.0a 10/15/2012
[ 314.236613] 0000000000000000 0000000000000000 ffffffff81373aba ffff88103e1a0000
[ 314.236889] ffffffffa040aea2 ffff88103e1a0000 0000000000000000 ffff88103e1a0000
[ 314.237162] ffffffff812c54f5 00000000000000d0 ffff88102f5c5c48 ffff88107f000480
[ 314.237434] Call Trace:
[ 314.237501] [<ffffffff81373aba>] ? dump_stack+0x41/0x51
[ 314.237575] [<ffffffffa040aea2>] ? bond_set_rx_mode+0x2d/0xa7 [bonding]
[ 314.237649] [<ffffffff812c54f5>] ? __dev_mc_add+0x48/0x59
[ 314.237720] [<ffffffff8134d4ee>] ? igmp6_group_added+0x65/0x17d
[ 314.237794] [<ffffffff810fc836>] ? kmem_cache_alloc_trace+0xbb/0xcb
[ 314.237866] [<ffffffff8134e7dd>] ? ipv6_dev_mc_inc+0x20e/0x236
[ 314.237939] [<ffffffff8134e91b>] ? ipv6_sock_mc_join+0x116/0x171
[ 314.238018] [<ffffffff813442c4>] ? do_ipv6_setsockopt.isra.6+0x8e4/0xc57
[ 314.238093] [<ffffffff812aeac3>] ? sock_sendmsg+0x49/0x64
[ 314.238166] [<ffffffff810dfc2a>] ? handle_mm_fault+0x22c/0x8aa
[ 314.238239] [<ffffffff8111b33d>] ? fget_light+0x2e/0x7c
[ 314.238310] [<ffffffff812acbdc>] ? sockfd_lookup_light+0x17/0x4b
[ 314.238382] [<ffffffff812af517>] ? SYSC_sendto+0xec/0x101
[ 314.238454] [<ffffffff813446ad>] ? compat_ipv6_setsockopt+0x76/0xc4
[ 314.238528] [<ffffffff81058942>] ? mmdrop+0xd/0x1c
[ 314.238599] [<ffffffff812d7b61>] ? compat_sys_setsockopt+0x1df/0x203
[ 314.238674] [<ffffffff81075fa6>] ? getnstimeofday+0x7/0x20
[ 314.238746] [<ffffffff812d7f3b>] ? compat_sys_socketcall+0x126/0x19f
[ 314.238818] [<ffffffff8137dff5>] ? sysenter_dispatch+0x7/0x1a
[ 314.508396] NFSD: Using /var/lib/nfs/v4recovery as the NFSv4 state recovery directory
[ 314.528759] NFSD: starting 90-second grace period (net ffffffff81678200)
[ 320.219271] postgres (6634): /proc/6634/oom_adj is deprecated, please use /proc/6634/oom_score_adj instead.
Howto reproduce:
- Build the kernel from Torvalds tip
- Configure bonding with tlb with one NIC.
auto bond0
iface bond0 inet static
address ...
netmask ...
network ...
broadcast ...
gateway ...
bond-mode balance-tlb
bond-miimon 100
slaves eth0
# eth1 eth2 eth3
Cheers,
Thomas
^ permalink raw reply
* Re: IPv6 path discovery oddities - flushing the routing cache resolves
From: Hannes Frederic Sowa @ 2013-10-19 20:24 UTC (permalink / raw)
To: Valentijn Sessink; +Cc: netdev, Steinar H. Gunderson
In-Reply-To: <5262963B.8040001@blub.net>
On Sat, Oct 19, 2013 at 04:24:59PM +0200, Valentijn Sessink wrote:
> op 19-10-13 12:12, Steinar H. Gunderson schreef:
> >Thanks so much for looking into this! It's great that to hear that it's not
> >just me being weird =)
>
> I'm not sure the patch addresses weirdness ;-P
>
> On the more serious side: I have this problem with a 3.8.0 kernel
> (Ubuntu 12.04 with updated kernel). I saw that you (Steinar) experience
> this with 3.10 and 3.11, iirc. I'm a little bit worried by the fact that
> this has not been seen for at least six months - and now suddenly pops up.
>
> Does anyone have an idea when this race condition was introduced?
Do a bisect. ;)
I had a look at the history but could not find a single commit
to blame. Even reference counting changes (e.g. removal of neighbour
caching in routes) or something in the way the socket release callbacks
are processed by tcp could introduce a way where these problems are more
likely to happen. I wondered, too.
A lot of people of the IPv6 community often state that mtu discovery is broken
because of filtering packet_too_bigs. Maybe most people assumed broken
firewalls and did not actual check if it is the kernels problem. So, thanks
again for reporting this issue.
Greetings,
Hannes
^ permalink raw reply
* [PATCH net-next v4 9/9] net: switch net_secret key generation to net_get_random_once
From: Hannes Frederic Sowa @ 2013-10-19 19:48 UTC (permalink / raw)
To: netdev; +Cc: linux-kernel, Hannes Frederic Sowa, Eric Dumazet, David S. Miller
In-Reply-To: <1382212139-20301-1-git-send-email-hannes@stressinduktion.org>
Cc: Eric Dumazet <edumazet@google.com>
Cc: "David S. Miller" <davem@davemloft.net>
Signed-off-by: Hannes Frederic Sowa <hannes@stressinduktion.org>
---
net/core/secure_seq.c | 14 ++------------
1 file changed, 2 insertions(+), 12 deletions(-)
diff --git a/net/core/secure_seq.c b/net/core/secure_seq.c
index 3f1ec15..b02fd16 100644
--- a/net/core/secure_seq.c
+++ b/net/core/secure_seq.c
@@ -7,6 +7,7 @@
#include <linux/hrtimer.h>
#include <linux/ktime.h>
#include <linux/string.h>
+#include <linux/net.h>
#include <net/secure_seq.h>
@@ -16,18 +17,7 @@ static u32 net_secret[NET_SECRET_SIZE] ____cacheline_aligned;
static void net_secret_init(void)
{
- u32 tmp;
- int i;
-
- if (likely(net_secret[0]))
- return;
-
- for (i = NET_SECRET_SIZE; i > 0;) {
- do {
- get_random_bytes(&tmp, sizeof(tmp));
- } while (!tmp);
- cmpxchg(&net_secret[--i], 0, tmp);
- }
+ net_get_random_once(net_secret, sizeof(net_secret));
}
#ifdef CONFIG_INET
--
1.8.3.1
^ permalink raw reply related
* [PATCH net-next v4 2/9] ipv6: split inet6_ehashfn to hash functions per compilation unit
From: Hannes Frederic Sowa @ 2013-10-19 19:48 UTC (permalink / raw)
To: netdev; +Cc: linux-kernel, Hannes Frederic Sowa, Eric Dumazet, David S. Miller
In-Reply-To: <1382212139-20301-1-git-send-email-hannes@stressinduktion.org>
This patch splits the inet6_ehashfn into separate ones in
ipv6/inet6_hashtables.o and ipv6/udp.o to ease the introduction of
seperate secrets keys later.
Cc: Eric Dumazet <edumazet@google.com>
Cc: "David S. Miller" <davem@davemloft.net>
Signed-off-by: Hannes Frederic Sowa <hannes@stressinduktion.org>
---
include/net/inet6_hashtables.h | 28 +++++++---------------------
include/net/ipv6.h | 4 ++--
net/ipv6/inet6_hashtables.c | 24 ++++++++++++++++++++++++
net/ipv6/udp.c | 20 ++++++++++++++++----
4 files changed, 49 insertions(+), 27 deletions(-)
diff --git a/include/net/inet6_hashtables.h b/include/net/inet6_hashtables.h
index a105d1a..ae06135 100644
--- a/include/net/inet6_hashtables.h
+++ b/include/net/inet6_hashtables.h
@@ -28,28 +28,14 @@
struct inet_hashinfo;
-static inline unsigned int inet6_ehashfn(struct net *net,
- const struct in6_addr *laddr, const u16 lport,
- const struct in6_addr *faddr, const __be16 fport)
+static inline unsigned int __inet6_ehashfn(const u32 lhash,
+ const u16 lport,
+ const u32 fhash,
+ const __be16 fport,
+ const u32 initval)
{
- u32 ports = (((u32)lport) << 16) | (__force u32)fport;
-
- return jhash_3words((__force u32)laddr->s6_addr32[3],
- ipv6_addr_jhash(faddr),
- ports,
- inet_ehash_secret + net_hash_mix(net));
-}
-
-static inline int inet6_sk_ehashfn(const struct sock *sk)
-{
- const struct inet_sock *inet = inet_sk(sk);
- const struct in6_addr *laddr = &sk->sk_v6_rcv_saddr;
- const struct in6_addr *faddr = &sk->sk_v6_daddr;
- const __u16 lport = inet->inet_num;
- const __be16 fport = inet->inet_dport;
- struct net *net = sock_net(sk);
-
- return inet6_ehashfn(net, laddr, lport, faddr, fport);
+ const u32 ports = (((u32)lport) << 16) | (__force u32)fport;
+ return jhash_3words(lhash, fhash, ports, initval);
}
int __inet6_hash(struct sock *sk, struct inet_timewait_sock *twp);
diff --git a/include/net/ipv6.h b/include/net/ipv6.h
index fe1c7f6..a35055f 100644
--- a/include/net/ipv6.h
+++ b/include/net/ipv6.h
@@ -539,14 +539,14 @@ static inline u32 ipv6_addr_hash(const struct in6_addr *a)
}
/* more secured version of ipv6_addr_hash() */
-static inline u32 ipv6_addr_jhash(const struct in6_addr *a)
+static inline u32 __ipv6_addr_jhash(const struct in6_addr *a, const u32 initval)
{
u32 v = (__force u32)a->s6_addr32[0] ^ (__force u32)a->s6_addr32[1];
return jhash_3words(v,
(__force u32)a->s6_addr32[2],
(__force u32)a->s6_addr32[3],
- ipv6_hash_secret);
+ initval);
}
static inline bool ipv6_addr_loopback(const struct in6_addr *a)
diff --git a/net/ipv6/inet6_hashtables.c b/net/ipv6/inet6_hashtables.c
index 842d833..fa7dd38 100644
--- a/net/ipv6/inet6_hashtables.c
+++ b/net/ipv6/inet6_hashtables.c
@@ -23,6 +23,30 @@
#include <net/secure_seq.h>
#include <net/ip.h>
+static unsigned int inet6_ehashfn(struct net *net,
+ const struct in6_addr *laddr,
+ const u16 lport,
+ const struct in6_addr *faddr,
+ const __be16 fport)
+{
+ const u32 lhash = (__force u32)laddr->s6_addr32[3];
+ const u32 fhash = __ipv6_addr_jhash(faddr, ipv6_hash_secret);
+ return __inet6_ehashfn(lhash, lport, fhash, fport,
+ inet_ehash_secret + net_hash_mix(net));
+}
+
+static int inet6_sk_ehashfn(const struct sock *sk)
+{
+ const struct inet_sock *inet = inet_sk(sk);
+ const struct in6_addr *laddr = &sk->sk_v6_rcv_saddr;
+ const struct in6_addr *faddr = &sk->sk_v6_daddr;
+ const __u16 lport = inet->inet_num;
+ const __be16 fport = inet->inet_dport;
+ struct net *net = sock_net(sk);
+
+ return inet6_ehashfn(net, laddr, lport, faddr, fport);
+}
+
int __inet6_hash(struct sock *sk, struct inet_timewait_sock *tw)
{
struct inet_hashinfo *hashinfo = sk->sk_prot->h.hashinfo;
diff --git a/net/ipv6/udp.c b/net/ipv6/udp.c
index b496de1..324bd36 100644
--- a/net/ipv6/udp.c
+++ b/net/ipv6/udp.c
@@ -53,6 +53,18 @@
#include <trace/events/skb.h>
#include "udp_impl.h"
+static unsigned int udp6_ehashfn(struct net *net,
+ const struct in6_addr *laddr,
+ const u16 lport,
+ const struct in6_addr *faddr,
+ const __be16 fport)
+{
+ const u32 lhash = (__force u32)laddr->s6_addr32[3];
+ const u32 fhash = __ipv6_addr_jhash(faddr, ipv6_hash_secret);
+ return __inet6_ehashfn(lhash, lport, fhash, fport,
+ inet_ehash_secret + net_hash_mix(net));
+}
+
int ipv6_rcv_saddr_equal(const struct sock *sk, const struct sock *sk2)
{
const struct in6_addr *sk2_rcv_saddr6 = inet6_rcv_saddr(sk2);
@@ -214,8 +226,8 @@ begin:
badness = score;
reuseport = sk->sk_reuseport;
if (reuseport) {
- hash = inet6_ehashfn(net, daddr, hnum,
- saddr, sport);
+ hash = udp6_ehashfn(net, daddr, hnum,
+ saddr, sport);
matches = 1;
} else if (score == SCORE2_MAX)
goto exact_match;
@@ -295,8 +307,8 @@ begin:
badness = score;
reuseport = sk->sk_reuseport;
if (reuseport) {
- hash = inet6_ehashfn(net, daddr, hnum,
- saddr, sport);
+ hash = udp6_ehashfn(net, daddr, hnum,
+ saddr, sport);
matches = 1;
}
} else if (score == badness && reuseport) {
--
1.8.3.1
^ permalink raw reply related
* [PATCH net-next v4 8/9] tcp: switch tcp_fastopen key generation to net_get_random_once
From: Hannes Frederic Sowa @ 2013-10-19 19:48 UTC (permalink / raw)
To: netdev
Cc: linux-kernel, Hannes Frederic Sowa, Yuchung Cheng, Eric Dumazet,
David S. Miller
In-Reply-To: <1382212139-20301-1-git-send-email-hannes@stressinduktion.org>
Changed key initialization of tcp_fastopen cookies to net_get_random_once.
If the user sets a custom key net_get_random_once must be called at
least once to ensure we don't overwrite the user provided key when the
first cookie is generated later on.
Cc: Yuchung Cheng <ycheng@google.com>
Cc: Eric Dumazet <edumazet@google.com>
Cc: "David S. Miller" <davem@davemloft.net>
Signed-off-by: Hannes Frederic Sowa <hannes@stressinduktion.org>
---
include/net/tcp.h | 2 +-
net/ipv4/sysctl_net_ipv4.c | 5 +++++
net/ipv4/tcp_fastopen.c | 27 ++++++++++++++++-----------
3 files changed, 22 insertions(+), 12 deletions(-)
diff --git a/include/net/tcp.h b/include/net/tcp.h
index f30326f..b12e29a 100644
--- a/include/net/tcp.h
+++ b/include/net/tcp.h
@@ -1322,7 +1322,7 @@ extern struct tcp_fastopen_context __rcu *tcp_fastopen_ctx;
int tcp_fastopen_reset_cipher(void *key, unsigned int len);
void tcp_fastopen_cookie_gen(__be32 src, __be32 dst,
struct tcp_fastopen_cookie *foc);
-
+void tcp_fastopen_init_key_once(bool publish);
#define TCP_FASTOPEN_KEY_LENGTH 16
/* Fastopen key context */
diff --git a/net/ipv4/sysctl_net_ipv4.c b/net/ipv4/sysctl_net_ipv4.c
index c08f096..4b161d5 100644
--- a/net/ipv4/sysctl_net_ipv4.c
+++ b/net/ipv4/sysctl_net_ipv4.c
@@ -274,6 +274,11 @@ static int proc_tcp_fastopen_key(struct ctl_table *ctl, int write,
ret = -EINVAL;
goto bad_key;
}
+ /* Generate a dummy secret but don't publish it. This
+ * is needed so we don't regenerate a new key on the
+ * first invocation of tcp_fastopen_cookie_gen
+ */
+ tcp_fastopen_init_key_once(false);
tcp_fastopen_reset_cipher(user_key, TCP_FASTOPEN_KEY_LENGTH);
}
diff --git a/net/ipv4/tcp_fastopen.c b/net/ipv4/tcp_fastopen.c
index ab7bd35..766032b 100644
--- a/net/ipv4/tcp_fastopen.c
+++ b/net/ipv4/tcp_fastopen.c
@@ -14,6 +14,20 @@ struct tcp_fastopen_context __rcu *tcp_fastopen_ctx;
static DEFINE_SPINLOCK(tcp_fastopen_ctx_lock);
+void tcp_fastopen_init_key_once(bool publish)
+{
+ static u8 key[TCP_FASTOPEN_KEY_LENGTH];
+
+ /* tcp_fastopen_reset_cipher publishes the new context
+ * atomically, so we allow this race happening here.
+ *
+ * All call sites of tcp_fastopen_cookie_gen also check
+ * for a valid cookie, so this is an acceptable risk.
+ */
+ if (net_get_random_once(key, sizeof(key)) && publish)
+ tcp_fastopen_reset_cipher(key, sizeof(key));
+}
+
static void tcp_fastopen_ctx_free(struct rcu_head *head)
{
struct tcp_fastopen_context *ctx =
@@ -70,6 +84,8 @@ void tcp_fastopen_cookie_gen(__be32 src, __be32 dst,
__be32 path[4] = { src, dst, 0, 0 };
struct tcp_fastopen_context *ctx;
+ tcp_fastopen_init_key_once(true);
+
rcu_read_lock();
ctx = rcu_dereference(tcp_fastopen_ctx);
if (ctx) {
@@ -78,14 +94,3 @@ void tcp_fastopen_cookie_gen(__be32 src, __be32 dst,
}
rcu_read_unlock();
}
-
-static int __init tcp_fastopen_init(void)
-{
- __u8 key[TCP_FASTOPEN_KEY_LENGTH];
-
- get_random_bytes(key, sizeof(key));
- tcp_fastopen_reset_cipher(key, sizeof(key));
- return 0;
-}
-
-late_initcall(tcp_fastopen_init);
--
1.8.3.1
^ permalink raw reply related
* [PATCH net-next v4 7/9] inet: convert inet_ehash_secret and ipv6_hash_secret to net_get_random_once
From: Hannes Frederic Sowa @ 2013-10-19 19:48 UTC (permalink / raw)
To: netdev; +Cc: linux-kernel, Hannes Frederic Sowa, Eric Dumazet, David S. Miller
In-Reply-To: <1382212139-20301-1-git-send-email-hannes@stressinduktion.org>
Initialize the ehash and ipv6_hash_secrets with net_get_random_once.
Each compilation unit gets its own secret now:
ipv4/inet_hashtables.o
ipv4/udp.o
ipv6/inet6_hashtables.o
ipv6/udp.o
rds/connection.o
The functions still get inlined into the hashing functions. In the fast
path we have at most two (needed in ipv6) if (unlikely(...)).
Cc: Eric Dumazet <edumazet@google.com>
Cc: "David S. Miller" <davem@davemloft.net>
Signed-off-by: Hannes Frederic Sowa <hannes@stressinduktion.org>
---
include/net/inet_sock.h | 4 ----
net/ipv4/af_inet.c | 27 ---------------------------
net/ipv4/inet_hashtables.c | 4 ++++
net/ipv4/udp.c | 6 +++++-
net/ipv6/af_inet6.c | 5 -----
net/ipv6/inet6_hashtables.c | 15 ++++++++++++---
net/ipv6/udp.c | 17 ++++++++++++++---
net/rds/connection.c | 12 +++++++++---
8 files changed, 44 insertions(+), 46 deletions(-)
diff --git a/include/net/inet_sock.h b/include/net/inet_sock.h
index 7a6c7f8..1833c3f 100644
--- a/include/net/inet_sock.h
+++ b/include/net/inet_sock.h
@@ -204,10 +204,6 @@ static inline void inet_sk_copy_descendant(struct sock *sk_to,
int inet_sk_rebuild_header(struct sock *sk);
-extern u32 inet_ehash_secret;
-extern u32 ipv6_hash_secret;
-void build_ehash_secret(void);
-
static inline unsigned int __inet_ehashfn(const __be32 laddr,
const __u16 lport,
const __be32 faddr,
diff --git a/net/ipv4/af_inet.c b/net/ipv4/af_inet.c
index 35913fb..b6bdd82 100644
--- a/net/ipv4/af_inet.c
+++ b/net/ipv4/af_inet.c
@@ -245,29 +245,6 @@ out:
}
EXPORT_SYMBOL(inet_listen);
-u32 inet_ehash_secret __read_mostly;
-EXPORT_SYMBOL(inet_ehash_secret);
-
-u32 ipv6_hash_secret __read_mostly;
-EXPORT_SYMBOL(ipv6_hash_secret);
-
-/*
- * inet_ehash_secret must be set exactly once, and to a non nul value
- * ipv6_hash_secret must be set exactly once.
- */
-void build_ehash_secret(void)
-{
- u32 rnd;
-
- do {
- get_random_bytes(&rnd, sizeof(rnd));
- } while (rnd == 0);
-
- if (cmpxchg(&inet_ehash_secret, 0, rnd) == 0)
- get_random_bytes(&ipv6_hash_secret, sizeof(ipv6_hash_secret));
-}
-EXPORT_SYMBOL(build_ehash_secret);
-
/*
* Create an inet socket.
*/
@@ -284,10 +261,6 @@ static int inet_create(struct net *net, struct socket *sock, int protocol,
int try_loading_module = 0;
int err;
- if (unlikely(!inet_ehash_secret))
- if (sock->type != SOCK_RAW && sock->type != SOCK_DGRAM)
- build_ehash_secret();
-
sock->state = SS_UNCONNECTED;
/* Look for the requested type/protocol pair. */
diff --git a/net/ipv4/inet_hashtables.c b/net/ipv4/inet_hashtables.c
index 18aa668..8b9cf27 100644
--- a/net/ipv4/inet_hashtables.c
+++ b/net/ipv4/inet_hashtables.c
@@ -28,6 +28,10 @@ static unsigned int inet_ehashfn(struct net *net, const __be32 laddr,
const __u16 lport, const __be32 faddr,
const __be16 fport)
{
+ static u32 inet_ehash_secret __read_mostly;
+
+ net_get_random_once(&inet_ehash_secret, sizeof(inet_ehash_secret));
+
return __inet_ehashfn(laddr, lport, faddr, fport,
inet_ehash_secret + net_hash_mix(net));
}
diff --git a/net/ipv4/udp.c b/net/ipv4/udp.c
index b4437c7..89909dd 100644
--- a/net/ipv4/udp.c
+++ b/net/ipv4/udp.c
@@ -411,8 +411,12 @@ static unsigned int udp_ehashfn(struct net *net, const __be32 laddr,
const __u16 lport, const __be32 faddr,
const __be16 fport)
{
+ static u32 udp_ehash_secret __read_mostly;
+
+ net_get_random_once(&udp_ehash_secret, sizeof(udp_ehash_secret));
+
return __inet_ehashfn(laddr, lport, faddr, fport,
- inet_ehash_secret + net_hash_mix(net));
+ udp_ehash_secret + net_hash_mix(net));
}
diff --git a/net/ipv6/af_inet6.c b/net/ipv6/af_inet6.c
index a2cb07c..20af1fb 100644
--- a/net/ipv6/af_inet6.c
+++ b/net/ipv6/af_inet6.c
@@ -110,11 +110,6 @@ static int inet6_create(struct net *net, struct socket *sock, int protocol,
int try_loading_module = 0;
int err;
- if (sock->type != SOCK_RAW &&
- sock->type != SOCK_DGRAM &&
- !inet_ehash_secret)
- build_ehash_secret();
-
/* Look for the requested type/protocol pair. */
lookup_protocol:
err = -ESOCKTNOSUPPORT;
diff --git a/net/ipv6/inet6_hashtables.c b/net/ipv6/inet6_hashtables.c
index fa7dd38..262e13c 100644
--- a/net/ipv6/inet6_hashtables.c
+++ b/net/ipv6/inet6_hashtables.c
@@ -29,10 +29,19 @@ static unsigned int inet6_ehashfn(struct net *net,
const struct in6_addr *faddr,
const __be16 fport)
{
- const u32 lhash = (__force u32)laddr->s6_addr32[3];
- const u32 fhash = __ipv6_addr_jhash(faddr, ipv6_hash_secret);
+ static u32 inet6_ehash_secret __read_mostly;
+ static u32 ipv6_hash_secret __read_mostly;
+
+ u32 lhash, fhash;
+
+ net_get_random_once(&inet6_ehash_secret, sizeof(inet6_ehash_secret));
+ net_get_random_once(&ipv6_hash_secret, sizeof(ipv6_hash_secret));
+
+ lhash = (__force u32)laddr->s6_addr32[3];
+ fhash = __ipv6_addr_jhash(faddr, ipv6_hash_secret);
+
return __inet6_ehashfn(lhash, lport, fhash, fport,
- inet_ehash_secret + net_hash_mix(net));
+ inet6_ehash_secret + net_hash_mix(net));
}
static int inet6_sk_ehashfn(const struct sock *sk)
diff --git a/net/ipv6/udp.c b/net/ipv6/udp.c
index 324bd36..44fc4e3 100644
--- a/net/ipv6/udp.c
+++ b/net/ipv6/udp.c
@@ -59,10 +59,21 @@ static unsigned int udp6_ehashfn(struct net *net,
const struct in6_addr *faddr,
const __be16 fport)
{
- const u32 lhash = (__force u32)laddr->s6_addr32[3];
- const u32 fhash = __ipv6_addr_jhash(faddr, ipv6_hash_secret);
+ static u32 udp6_ehash_secret __read_mostly;
+ static u32 udp_ipv6_hash_secret __read_mostly;
+
+ u32 lhash, fhash;
+
+ net_get_random_once(&udp6_ehash_secret,
+ sizeof(udp6_ehash_secret));
+ net_get_random_once(&udp_ipv6_hash_secret,
+ sizeof(udp_ipv6_hash_secret));
+
+ lhash = (__force u32)laddr->s6_addr32[3];
+ fhash = __ipv6_addr_jhash(faddr, udp_ipv6_hash_secret);
+
return __inet6_ehashfn(lhash, lport, fhash, fport,
- inet_ehash_secret + net_hash_mix(net));
+ udp_ipv6_hash_secret + net_hash_mix(net));
}
int ipv6_rcv_saddr_equal(const struct sock *sk, const struct sock *sk2)
diff --git a/net/rds/connection.c b/net/rds/connection.c
index 45e2366..378c3a6 100644
--- a/net/rds/connection.c
+++ b/net/rds/connection.c
@@ -51,10 +51,16 @@ static struct kmem_cache *rds_conn_slab;
static struct hlist_head *rds_conn_bucket(__be32 laddr, __be32 faddr)
{
+ static u32 rds_hash_secret __read_mostly;
+
+ unsigned long hash;
+
+ net_get_random_once(&rds_hash_secret, sizeof(rds_hash_secret));
+
/* Pass NULL, don't need struct net for hash */
- unsigned long hash = __inet_ehashfn(be32_to_cpu(laddr), 0,
- be32_to_cpu(faddr), 0,
- inet_ehash_secret);
+ hash = __inet_ehashfn(be32_to_cpu(laddr), 0,
+ be32_to_cpu(faddr), 0,
+ rds_hash_secret);
return &rds_conn_hash[hash & RDS_CONNECTION_HASH_MASK];
}
--
1.8.3.1
^ permalink raw reply related
* [PATCH net-next v4 6/9] inet: split syncookie keys for ipv4 and ipv6 and initialize with net_get_random_once
From: Hannes Frederic Sowa @ 2013-10-19 19:48 UTC (permalink / raw)
To: netdev
Cc: linux-kernel, Hannes Frederic Sowa, Florian Westphal,
Eric Dumazet, David S. Miller
In-Reply-To: <1382212139-20301-1-git-send-email-hannes@stressinduktion.org>
This patch splits the secret key for syncookies for ipv4 and ipv6 and
initializes them with net_get_random_once. This change was the reason I
did this series. I think the initialization of the syncookie_secret is
way to early.
Cc: Florian Westphal <fw@strlen.de>
Cc: Eric Dumazet <edumazet@google.com>
Cc: "David S. Miller" <davem@davemloft.net>
Signed-off-by: Hannes Frederic Sowa <hannes@stressinduktion.org>
---
include/net/tcp.h | 1 -
net/ipv4/syncookies.c | 15 +++++----------
net/ipv6/syncookies.c | 12 +++++++++---
3 files changed, 14 insertions(+), 14 deletions(-)
diff --git a/include/net/tcp.h b/include/net/tcp.h
index 372dccc..f30326f 100644
--- a/include/net/tcp.h
+++ b/include/net/tcp.h
@@ -475,7 +475,6 @@ int tcp_send_rcvq(struct sock *sk, struct msghdr *msg, size_t size);
void inet_sk_rx_dst_set(struct sock *sk, const struct sk_buff *skb);
/* From syncookies.c */
-extern __u32 syncookie_secret[2][16-4+SHA_DIGEST_WORDS];
int __cookie_v4_check(const struct iphdr *iph, const struct tcphdr *th,
u32 cookie);
struct sock *cookie_v4_check(struct sock *sk, struct sk_buff *skb,
diff --git a/net/ipv4/syncookies.c b/net/ipv4/syncookies.c
index 3b64c59..b95331e 100644
--- a/net/ipv4/syncookies.c
+++ b/net/ipv4/syncookies.c
@@ -25,15 +25,7 @@
extern int sysctl_tcp_syncookies;
-__u32 syncookie_secret[2][16-4+SHA_DIGEST_WORDS];
-EXPORT_SYMBOL(syncookie_secret);
-
-static __init int init_syncookies(void)
-{
- get_random_bytes(syncookie_secret, sizeof(syncookie_secret));
- return 0;
-}
-__initcall(init_syncookies);
+static u32 syncookie_secret[2][16-4+SHA_DIGEST_WORDS];
#define COOKIEBITS 24 /* Upper bits store count */
#define COOKIEMASK (((__u32)1 << COOKIEBITS) - 1)
@@ -44,8 +36,11 @@ static DEFINE_PER_CPU(__u32 [16 + 5 + SHA_WORKSPACE_WORDS],
static u32 cookie_hash(__be32 saddr, __be32 daddr, __be16 sport, __be16 dport,
u32 count, int c)
{
- __u32 *tmp = __get_cpu_var(ipv4_cookie_scratch);
+ __u32 *tmp;
+
+ net_get_random_once(syncookie_secret, sizeof(syncookie_secret));
+ tmp = __get_cpu_var(ipv4_cookie_scratch);
memcpy(tmp + 4, syncookie_secret[c], sizeof(syncookie_secret[c]));
tmp[0] = (__force u32)saddr;
tmp[1] = (__force u32)daddr;
diff --git a/net/ipv6/syncookies.c b/net/ipv6/syncookies.c
index d04d3f1..535a3ad 100644
--- a/net/ipv6/syncookies.c
+++ b/net/ipv6/syncookies.c
@@ -24,6 +24,8 @@
#define COOKIEBITS 24 /* Upper bits store count */
#define COOKIEMASK (((__u32)1 << COOKIEBITS) - 1)
+static u32 syncookie6_secret[2][16-4+SHA_DIGEST_WORDS];
+
/* RFC 2460, Section 8.3:
* [ipv6 tcp] MSS must be computed as the maximum packet size minus 60 [..]
*
@@ -61,14 +63,18 @@ static DEFINE_PER_CPU(__u32 [16 + 5 + SHA_WORKSPACE_WORDS],
static u32 cookie_hash(const struct in6_addr *saddr, const struct in6_addr *daddr,
__be16 sport, __be16 dport, u32 count, int c)
{
- __u32 *tmp = __get_cpu_var(ipv6_cookie_scratch);
+ __u32 *tmp;
+
+ net_get_random_once(syncookie6_secret, sizeof(syncookie6_secret));
+
+ tmp = __get_cpu_var(ipv6_cookie_scratch);
/*
* we have 320 bits of information to hash, copy in the remaining
- * 192 bits required for sha_transform, from the syncookie_secret
+ * 192 bits required for sha_transform, from the syncookie6_secret
* and overwrite the digest with the secret
*/
- memcpy(tmp + 10, syncookie_secret[c], 44);
+ memcpy(tmp + 10, syncookie6_secret[c], 44);
memcpy(tmp, saddr, 16);
memcpy(tmp + 4, daddr, 16);
tmp[8] = ((__force u32)sport << 16) + (__force u32)dport;
--
1.8.3.1
^ permalink raw reply related
* [PATCH net-next v4 5/9] net: introduce new macro net_get_random_once
From: Hannes Frederic Sowa @ 2013-10-19 19:48 UTC (permalink / raw)
To: netdev
Cc: linux-kernel, Hannes Frederic Sowa, Ingo Molnar, Steven Rostedt,
Jason Baron, Peter Zijlstra, Eric Dumazet, David S. Miller
In-Reply-To: <1382212139-20301-1-git-send-email-hannes@stressinduktion.org>
net_get_random_once is a new macro which handles the initialization
of secret keys. It is possible to call it in the fast path. Only the
initialization depends on the spinlock and is rather slow. Otherwise
it should get used just before the key is used to delay the entropy
extration as late as possible to get better randomness. It returns true
if the key got initialized.
The usage of static_keys for net_get_random_once is a bit uncommon so
it needs some further explanation why this actually works:
=== In the simple non-HAVE_JUMP_LABEL case we actually have ===
no constrains to use static_key_(true|false) on keys initialized with
STATIC_KEY_INIT_(FALSE|TRUE). So this path just expands in favor of
the likely case that the initialization is already done. The key is
initialized like this:
___done_key = { .enabled = ATOMIC_INIT(0) }
The check
if (!static_key_true(&___done_key)) \
expands into (pseudo code)
if (!likely(___done_key > 0))
, so we take the fast path as soon as ___done_key is increased from the
helper function.
=== If HAVE_JUMP_LABELs are available this depends ===
on patching of jumps into the prepared NOPs, which is done in
jump_label_init at boot-up time (from start_kernel). It is forbidden
and dangerous to use net_get_random_once in functions which are called
before that!
At compilation time NOPs are generated at the call sites of
net_get_random_once. E.g. net/ipv6/inet6_hashtable.c:inet6_ehashfn (we
need to call net_get_random_once two times in inet6_ehashfn, so two NOPs):
71: 0f 1f 44 00 00 nopl 0x0(%rax,%rax,1)
76: 0f 1f 44 00 00 nopl 0x0(%rax,%rax,1)
Both will be patched to the actual jumps to the end of the function to
call __net_get_random_once at boot time as explained above.
arch_static_branch is optimized and inlined for false as return value and
actually also returns false in case the NOP is placed in the instruction
stream. So in the fast case we get a "return false". But because we
initialize ___done_key with (enabled != (entries & 1)) this call-site
will get patched up at boot thus returning true. The final check looks
like this:
if (!static_key_true(&___done_key)) \
___ret = __net_get_random_once(buf, \
expands to
if (!!static_key_false(&___done_key)) \
___ret = __net_get_random_once(buf, \
So we get true at boot time and as soon as static_key_slow_inc is called
on the key it will invert the logic and return false for the fast path.
static_key_slow_inc will change the branch because it got initialized
with .enabled == 0. After static_key_slow_inc is called on the key the
branch is replaced with a nop again.
=== Misc: ===
The helper defers the increment into a workqueue so we don't
have problems calling this code from atomic sections. A seperate boolean
(___done) guards the case where we enter net_get_random_once again before
the increment happend.
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Steven Rostedt <rostedt@goodmis.org>
Cc: Jason Baron <jbaron@redhat.com>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Eric Dumazet <edumazet@google.com>
Cc: "David S. Miller" <davem@davemloft.net>
Signed-off-by: Hannes Frederic Sowa <hannes@stressinduktion.org>
---
I tested this patchset with !CC_HAVE_ASM_GOTO and with CC_HAVE_ASM_GOTO
on x86_64.
I quickly reviewed that all architectures which implement HAVE_JUMP_LABEL
also patch all branch sites on boot-up. But this needs further review
as this is a security sensitive patch series.
Thank you!
include/linux/net.h | 25 +++++++++++++++++++++++++
net/core/utils.c | 48 ++++++++++++++++++++++++++++++++++++++++++++++++
2 files changed, 73 insertions(+)
diff --git a/include/linux/net.h b/include/linux/net.h
index ca9ec85..a489705 100644
--- a/include/linux/net.h
+++ b/include/linux/net.h
@@ -239,6 +239,31 @@ do { \
#define net_random() prandom_u32()
#define net_srandom(seed) prandom_seed((__force u32)(seed))
+bool __net_get_random_once(void *buf, int nbytes, bool *done,
+ struct static_key *done_key);
+
+#ifdef HAVE_JUMP_LABEL
+#define ___NET_RANDOM_STATIC_KEY_INIT ((struct static_key) \
+ { .enabled = ATOMIC_INIT(0), .entries = (void *)1 })
+#else /* !HAVE_JUMP_LABEL */
+#define ___NET_RANDOM_STATIC_KEY_INIT STATIC_KEY_INIT_FALSE
+#endif /* HAVE_JUMP_LABEL */
+
+/* BE CAREFUL: this function is not interrupt safe */
+#define net_get_random_once(buf, nbytes) \
+ ({ \
+ bool ___ret = false; \
+ static bool ___done = false; \
+ static struct static_key ___done_key = \
+ ___NET_RANDOM_STATIC_KEY_INIT; \
+ if (!static_key_true(&___done_key)) \
+ ___ret = __net_get_random_once(buf, \
+ nbytes, \
+ &___done, \
+ &___done_key); \
+ ___ret; \
+ })
+
int kernel_sendmsg(struct socket *sock, struct msghdr *msg, struct kvec *vec,
size_t num, size_t len);
int kernel_recvmsg(struct socket *sock, struct msghdr *msg, struct kvec *vec,
diff --git a/net/core/utils.c b/net/core/utils.c
index aa88e23..bf09371 100644
--- a/net/core/utils.c
+++ b/net/core/utils.c
@@ -338,3 +338,51 @@ void inet_proto_csum_replace16(__sum16 *sum, struct sk_buff *skb,
csum_unfold(*sum)));
}
EXPORT_SYMBOL(inet_proto_csum_replace16);
+
+struct __net_random_once_work {
+ struct work_struct work;
+ struct static_key *key;
+};
+
+static void __net_random_once_deferred(struct work_struct *w)
+{
+ struct __net_random_once_work *work =
+ container_of(w, struct __net_random_once_work, work);
+ if (!static_key_enabled(work->key))
+ static_key_slow_inc(work->key);
+ kfree(work);
+}
+
+static void __net_random_once_disable_jump(struct static_key *key)
+{
+ struct __net_random_once_work *w;
+
+ w = kmalloc(sizeof(*w), GFP_ATOMIC);
+ if (!w)
+ return;
+
+ INIT_WORK(&w->work, __net_random_once_deferred);
+ w->key = key;
+ schedule_work(&w->work);
+}
+
+bool __net_get_random_once(void *buf, int nbytes, bool *done,
+ struct static_key *done_key)
+{
+ static DEFINE_SPINLOCK(lock);
+
+ spin_lock_bh(&lock);
+ if (*done) {
+ spin_unlock_bh(&lock);
+ return false;
+ }
+
+ get_random_bytes(buf, nbytes);
+ *done = true;
+ spin_unlock_bh(&lock);
+
+ __net_random_once_disable_jump(done_key);
+
+ return true;
+}
+EXPORT_SYMBOL(__net_get_random_once);
--
1.8.3.1
^ permalink raw reply related
* [PATCH net-next v4 4/9] x86/jump_label: expect default_nop if static_key gets enabled on boot-up
From: Hannes Frederic Sowa @ 2013-10-19 19:48 UTC (permalink / raw)
To: netdev
Cc: linux-kernel, Hannes Frederic Sowa, Thomas Gleixner, Ingo Molnar,
H. Peter Anvin, Steven Rostedt, Jason Baron, Peter Zijlstra,
Eric Dumazet, David S. Miller, x86
In-Reply-To: <1382212139-20301-1-git-send-email-hannes@stressinduktion.org>
net_get_random_once(intrduced in the next patch) uses static_keys in
a way that they get enabled on boot-up instead of replaced with an
ideal_nop. So check for default_nop on initial enabling.
Other architectures don't check for this.
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: "H. Peter Anvin" <hpa@zytor.com>
Cc: Steven Rostedt <rostedt@goodmis.org>
Cc: Jason Baron <jbaron@redhat.com>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Eric Dumazet <edumazet@google.com>
Cc: "David S. Miller" <davem@davemloft.net>
Cc: x86@kernel.org
Signed-off-by: Hannes Frederic Sowa <hannes@stressinduktion.org>
---
arch/x86/kernel/jump_label.c | 25 ++++++++++++++++++-------
1 file changed, 18 insertions(+), 7 deletions(-)
diff --git a/arch/x86/kernel/jump_label.c b/arch/x86/kernel/jump_label.c
index ee11b7d..26d5a55 100644
--- a/arch/x86/kernel/jump_label.c
+++ b/arch/x86/kernel/jump_label.c
@@ -42,15 +42,27 @@ static void __jump_label_transform(struct jump_entry *entry,
int init)
{
union jump_code_union code;
+ const unsigned char default_nop[] = { STATIC_KEY_INIT_NOP };
const unsigned char *ideal_nop = ideal_nops[NOP_ATOMIC5];
if (type == JUMP_LABEL_ENABLE) {
- /*
- * We are enabling this jump label. If it is not a nop
- * then something must have gone wrong.
- */
- if (unlikely(memcmp((void *)entry->code, ideal_nop, 5) != 0))
- bug_at((void *)entry->code, __LINE__);
+ if (init) {
+ /*
+ * Jump label is enabled for the first time.
+ * So we expect a default_nop...
+ */
+ if (unlikely(memcmp((void *)entry->code, default_nop, 5)
+ != 0))
+ bug_at((void *)entry->code, __LINE__);
+ } else {
+ /*
+ * ...otherwise expect an ideal_nop. Otherwise
+ * something went horribly wrong.
+ */
+ if (unlikely(memcmp((void *)entry->code, ideal_nop, 5)
+ != 0))
+ bug_at((void *)entry->code, __LINE__);
+ }
code.jump = 0xe9;
code.offset = entry->target -
@@ -63,7 +75,6 @@ static void __jump_label_transform(struct jump_entry *entry,
* are converting the default nop to the ideal nop.
*/
if (init) {
- const unsigned char default_nop[] = { STATIC_KEY_INIT_NOP };
if (unlikely(memcmp((void *)entry->code, default_nop, 5) != 0))
bug_at((void *)entry->code, __LINE__);
} else {
--
1.8.3.1
^ permalink raw reply related
* [PATCH net-next v4 3/9] static_key: WARN on usage before jump_label_init was called
From: Hannes Frederic Sowa @ 2013-10-19 19:48 UTC (permalink / raw)
To: netdev
Cc: linux-kernel, Hannes Frederic Sowa, Steven Rostedt,
Peter Zijlstra, Andi Kleen
In-Reply-To: <1382212139-20301-1-git-send-email-hannes@stressinduktion.org>
Usage of the static key primitives to toggle a branch must not be used
before jump_label_init() is called from init/main.c. jump_label_init
reorganizes and wires up the jump_entries so usage before that could
have unforeseen consequences.
Following primitives are now checked for correct use:
* static_key_slow_inc
* static_key_slow_dec
* static_key_slow_dec_deferred
* jump_label_rate_limit
The x86 architecture already checks this by testing if the default_nop
was already replaced with an optimal nop or with a branch instruction. It
will panic then. Other architectures don't check for this.
Because we need to relax this check for the x86 arch to allow code to
transition from default_nop to the enabled state and other architectures
did not check for this at all this patch introduces checking on the
static_key primitives in a non-arch dependent manner.
All checked functions are considered slow-path so the additional check
does no harm to performance.
The warnings are best observed with earlyprintk.
Based on a patch from Andi Kleen.
Cc: Steven Rostedt <rostedt@goodmis.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Andi Kleen <andi@firstfloor.org>
Signed-off-by: Hannes Frederic Sowa <hannes@stressinduktion.org>
---
include/linux/jump_label.h | 10 ++++++++++
include/linux/jump_label_ratelimit.h | 2 ++
init/main.c | 7 +++++++
kernel/jump_label.c | 5 +++++
4 files changed, 24 insertions(+)
diff --git a/include/linux/jump_label.h b/include/linux/jump_label.h
index a507907..e96be72 100644
--- a/include/linux/jump_label.h
+++ b/include/linux/jump_label.h
@@ -48,6 +48,13 @@
#include <linux/types.h>
#include <linux/compiler.h>
+#include <linux/bug.h>
+
+extern bool static_key_initialized;
+
+#define STATIC_KEY_CHECK_USE() WARN(!static_key_initialized, \
+ "%s used before call to jump_label_init", \
+ __func__)
#if defined(CC_HAVE_ASM_GOTO) && defined(CONFIG_JUMP_LABEL)
@@ -128,6 +135,7 @@ struct static_key {
static __always_inline void jump_label_init(void)
{
+ static_key_initialized = true;
}
static __always_inline bool static_key_false(struct static_key *key)
@@ -146,11 +154,13 @@ static __always_inline bool static_key_true(struct static_key *key)
static inline void static_key_slow_inc(struct static_key *key)
{
+ STATIC_KEY_CHECK_USE();
atomic_inc(&key->enabled);
}
static inline void static_key_slow_dec(struct static_key *key)
{
+ STATIC_KEY_CHECK_USE();
atomic_dec(&key->enabled);
}
diff --git a/include/linux/jump_label_ratelimit.h b/include/linux/jump_label_ratelimit.h
index 1137883..089f70f 100644
--- a/include/linux/jump_label_ratelimit.h
+++ b/include/linux/jump_label_ratelimit.h
@@ -23,12 +23,14 @@ struct static_key_deferred {
};
static inline void static_key_slow_dec_deferred(struct static_key_deferred *key)
{
+ STATIC_KEY_CHECK_USE();
static_key_slow_dec(&key->key);
}
static inline void
jump_label_rate_limit(struct static_key_deferred *key,
unsigned long rl)
{
+ STATIC_KEY_CHECK_USE();
}
#endif /* HAVE_JUMP_LABEL */
#endif /* _LINUX_JUMP_LABEL_RATELIMIT_H */
diff --git a/init/main.c b/init/main.c
index af310af..27bbec1a 100644
--- a/init/main.c
+++ b/init/main.c
@@ -136,6 +136,13 @@ static char *execute_command;
static char *ramdisk_execute_command;
/*
+ * Used to generate warnings if static_key manipulation functions are used
+ * before jump_label_init is called.
+ */
+bool static_key_initialized __read_mostly = false;
+EXPORT_SYMBOL_GPL(static_key_initialized);
+
+/*
* If set, this is an indication to the drivers that reset the underlying
* device before going ahead with the initialization otherwise driver might
* rely on the BIOS and skip the reset operation.
diff --git a/kernel/jump_label.c b/kernel/jump_label.c
index 297a924..9019f15 100644
--- a/kernel/jump_label.c
+++ b/kernel/jump_label.c
@@ -58,6 +58,7 @@ static void jump_label_update(struct static_key *key, int enable);
void static_key_slow_inc(struct static_key *key)
{
+ STATIC_KEY_CHECK_USE();
if (atomic_inc_not_zero(&key->enabled))
return;
@@ -103,12 +104,14 @@ static void jump_label_update_timeout(struct work_struct *work)
void static_key_slow_dec(struct static_key *key)
{
+ STATIC_KEY_CHECK_USE();
__static_key_slow_dec(key, 0, NULL);
}
EXPORT_SYMBOL_GPL(static_key_slow_dec);
void static_key_slow_dec_deferred(struct static_key_deferred *key)
{
+ STATIC_KEY_CHECK_USE();
__static_key_slow_dec(&key->key, key->timeout, &key->work);
}
EXPORT_SYMBOL_GPL(static_key_slow_dec_deferred);
@@ -116,6 +119,7 @@ EXPORT_SYMBOL_GPL(static_key_slow_dec_deferred);
void jump_label_rate_limit(struct static_key_deferred *key,
unsigned long rl)
{
+ STATIC_KEY_CHECK_USE();
key->timeout = rl;
INIT_DELAYED_WORK(&key->work, jump_label_update_timeout);
}
@@ -212,6 +216,7 @@ void __init jump_label_init(void)
key->next = NULL;
#endif
}
+ static_key_initialized = true;
jump_label_unlock();
}
--
1.8.3.1
^ permalink raw reply related
* [PATCH net-next v4 1/9] ipv4: split inet_ehashfn to hash functions per compilation unit
From: Hannes Frederic Sowa @ 2013-10-19 19:48 UTC (permalink / raw)
To: netdev; +Cc: linux-kernel, Hannes Frederic Sowa, Eric Dumazet, David S. Miller
In-Reply-To: <1382212139-20301-1-git-send-email-hannes@stressinduktion.org>
This duplicates a bit of code but let's us easily introduce
separate secret keys later. The separate compilation units are
ipv4/inet_hashtabbles.o, ipv4/udp.o and rds/connection.o.
Cc: Eric Dumazet <edumazet@google.com>
Cc: "David S. Miller" <davem@davemloft.net>
Signed-off-by: Hannes Frederic Sowa <hannes@stressinduktion.org>
---
include/net/inet_sock.h | 22 ++++++----------------
net/ipv4/inet_hashtables.c | 21 +++++++++++++++++++++
net/ipv4/udp.c | 16 ++++++++++++----
net/rds/connection.c | 6 +++---
4 files changed, 42 insertions(+), 23 deletions(-)
diff --git a/include/net/inet_sock.h b/include/net/inet_sock.h
index 06da91e..7a6c7f8 100644
--- a/include/net/inet_sock.h
+++ b/include/net/inet_sock.h
@@ -208,26 +208,16 @@ extern u32 inet_ehash_secret;
extern u32 ipv6_hash_secret;
void build_ehash_secret(void);
-static inline unsigned int inet_ehashfn(struct net *net,
- const __be32 laddr, const __u16 lport,
- const __be32 faddr, const __be16 fport)
+static inline unsigned int __inet_ehashfn(const __be32 laddr,
+ const __u16 lport,
+ const __be32 faddr,
+ const __be16 fport,
+ u32 initval)
{
return jhash_3words((__force __u32) laddr,
(__force __u32) faddr,
((__u32) lport) << 16 | (__force __u32)fport,
- inet_ehash_secret + net_hash_mix(net));
-}
-
-static inline int inet_sk_ehashfn(const struct sock *sk)
-{
- const struct inet_sock *inet = inet_sk(sk);
- const __be32 laddr = inet->inet_rcv_saddr;
- const __u16 lport = inet->inet_num;
- const __be32 faddr = inet->inet_daddr;
- const __be16 fport = inet->inet_dport;
- struct net *net = sock_net(sk);
-
- return inet_ehashfn(net, laddr, lport, faddr, fport);
+ initval);
}
static inline struct request_sock *inet_reqsk_alloc(struct request_sock_ops *ops)
diff --git a/net/ipv4/inet_hashtables.c b/net/ipv4/inet_hashtables.c
index a4b66bb..18aa668 100644
--- a/net/ipv4/inet_hashtables.c
+++ b/net/ipv4/inet_hashtables.c
@@ -24,6 +24,27 @@
#include <net/secure_seq.h>
#include <net/ip.h>
+static unsigned int inet_ehashfn(struct net *net, const __be32 laddr,
+ const __u16 lport, const __be32 faddr,
+ const __be16 fport)
+{
+ return __inet_ehashfn(laddr, lport, faddr, fport,
+ inet_ehash_secret + net_hash_mix(net));
+}
+
+
+static unsigned int inet_sk_ehashfn(const struct sock *sk)
+{
+ const struct inet_sock *inet = inet_sk(sk);
+ const __be32 laddr = inet->inet_rcv_saddr;
+ const __u16 lport = inet->inet_num;
+ const __be32 faddr = inet->inet_daddr;
+ const __be16 fport = inet->inet_dport;
+ struct net *net = sock_net(sk);
+
+ return inet_ehashfn(net, laddr, lport, faddr, fport);
+}
+
/*
* Allocate and initialize a new local port bind bucket.
* The bindhash mutex for snum's hash chain must be held here.
diff --git a/net/ipv4/udp.c b/net/ipv4/udp.c
index 9f27bb8..b4437c7 100644
--- a/net/ipv4/udp.c
+++ b/net/ipv4/udp.c
@@ -407,6 +407,14 @@ static inline int compute_score2(struct sock *sk, struct net *net,
return score;
}
+static unsigned int udp_ehashfn(struct net *net, const __be32 laddr,
+ const __u16 lport, const __be32 faddr,
+ const __be16 fport)
+{
+ return __inet_ehashfn(laddr, lport, faddr, fport,
+ inet_ehash_secret + net_hash_mix(net));
+}
+
/* called with read_rcu_lock() */
static struct sock *udp4_lib_lookup2(struct net *net,
@@ -430,8 +438,8 @@ begin:
badness = score;
reuseport = sk->sk_reuseport;
if (reuseport) {
- hash = inet_ehashfn(net, daddr, hnum,
- saddr, sport);
+ hash = udp_ehashfn(net, daddr, hnum,
+ saddr, sport);
matches = 1;
}
} else if (score == badness && reuseport) {
@@ -511,8 +519,8 @@ begin:
badness = score;
reuseport = sk->sk_reuseport;
if (reuseport) {
- hash = inet_ehashfn(net, daddr, hnum,
- saddr, sport);
+ hash = udp_ehashfn(net, daddr, hnum,
+ saddr, sport);
matches = 1;
}
} else if (score == badness && reuseport) {
diff --git a/net/rds/connection.c b/net/rds/connection.c
index 642ad42..45e2366 100644
--- a/net/rds/connection.c
+++ b/net/rds/connection.c
@@ -52,9 +52,9 @@ static struct kmem_cache *rds_conn_slab;
static struct hlist_head *rds_conn_bucket(__be32 laddr, __be32 faddr)
{
/* Pass NULL, don't need struct net for hash */
- unsigned long hash = inet_ehashfn(NULL,
- be32_to_cpu(laddr), 0,
- be32_to_cpu(faddr), 0);
+ unsigned long hash = __inet_ehashfn(be32_to_cpu(laddr), 0,
+ be32_to_cpu(faddr), 0,
+ inet_ehash_secret);
return &rds_conn_hash[hash & RDS_CONNECTION_HASH_MASK];
}
--
1.8.3.1
^ permalink raw reply related
* [PATCH net-next v4 0/9] Introduce support to lazy initialize mostly static keys
From: Hannes Frederic Sowa @ 2013-10-19 19:48 UTC (permalink / raw)
To: netdev; +Cc: linux-kernel
Hi!
This series implements support for delaying the initialization of secret
keys, e.g. used for hashing, for as long as possible. This functionality
is implemented by a new macro, net_get_random_bytes.
I already used it to protect the socket hashes, the syncookie secret
(most important) and the tcp_fastopen secrets.
Changelog:
v2) Use static_keys in net_get_random_once to have as minimal impact to
the fast-path as possible.
v3) added patch "static_key: WARN on usage before jump_label_init was called":
Patch "x86/jump_label: expect default_nop if static_key gets enabled
on boot-up" relaxes the checks for using static_key primitives before
jump_label_init. So tighten them first.
v4) Update changelog on the patch "static_key: WARN on usage before
jump_label_init was called"
Included patches:
ipv4: split inet_ehashfn to hash functions per compilation unit
ipv6: split inet6_ehashfn to hash functions per compilation unit
static_key: WARN on usage before jump_label_init was called
x86/jump_label: expect default_nop if static_key gets enabled on boot-up
net: introduce new macro net_get_random_once
inet: split syncookie keys for ipv4 and ipv6 and initialize with net_get_random_once
inet: convert inet_ehash_secret and ipv6_hash_secret to net_get_random_once
tcp: switch tcp_fastopen key generation to net_get_random_once
net: switch net_secret key generation to net_get_random_once
Diffstat:
arch/x86/kernel/jump_label.c | 25 ++++++++++++++++++-------
include/linux/jump_label.h | 10 ++++++++++
include/linux/jump_label_ratelimit.h | 2 ++
include/linux/net.h | 25 +++++++++++++++++++++++++
include/net/inet6_hashtables.h | 28 +++++++---------------------
include/net/inet_sock.h | 26 ++++++--------------------
include/net/ipv6.h | 4 ++--
include/net/tcp.h | 3 +--
init/main.c | 7 +++++++
kernel/jump_label.c | 5 +++++
net/core/secure_seq.c | 14 ++------------
net/core/utils.c | 48 ++++++++++++++++++++++++++++++++++++++++++++++++
net/ipv4/af_inet.c | 27 ---------------------------
net/ipv4/inet_hashtables.c | 25 +++++++++++++++++++++++++
net/ipv4/syncookies.c | 15 +++++----------
net/ipv4/sysctl_net_ipv4.c | 5 +++++
net/ipv4/tcp_fastopen.c | 27 ++++++++++++++++-----------
net/ipv4/udp.c | 20 ++++++++++++++++----
net/ipv6/af_inet6.c | 5 -----
net/ipv6/inet6_hashtables.c | 33 +++++++++++++++++++++++++++++++++
net/ipv6/syncookies.c | 12 +++++++++---
net/ipv6/udp.c | 31 +++++++++++++++++++++++++++----
net/rds/connection.c | 12 +++++++++---
23 files changed, 278 insertions(+), 131 deletions(-)
^ permalink raw reply
* [PATCH net-next 4/6] ipv4: gso: make inet_gso_segment() stackable
From: Eric Dumazet @ 2013-10-19 18:42 UTC (permalink / raw)
To: David S. Miller; +Cc: netdev, Jerry Chu, Tom Herbert, Eric Dumazet
In-Reply-To: <1382208178-22347-1-git-send-email-edumazet@google.com>
In order to support GSO on IPIP, we need to make
inet_gso_segment() stackable.
It should not assume network header starts right after mac
header.
Signed-off-by: Eric Dumazet <edumazet@google.com>
---
include/linux/skbuff.h | 7 +++++--
net/core/dev.c | 2 ++
net/ipv4/af_inet.c | 25 ++++++++++++++++++-------
3 files changed, 25 insertions(+), 9 deletions(-)
diff --git a/include/linux/skbuff.h b/include/linux/skbuff.h
index ba74474..cad1e0c 100644
--- a/include/linux/skbuff.h
+++ b/include/linux/skbuff.h
@@ -2722,9 +2722,12 @@ static inline struct sec_path *skb_sec_path(struct sk_buff *skb)
/* Keeps track of mac header offset relative to skb->head.
* It is useful for TSO of Tunneling protocol. e.g. GRE.
* For non-tunnel skb it points to skb_mac_header() and for
- * tunnel skb it points to outer mac header. */
+ * tunnel skb it points to outer mac header.
+ * Keeps track of level of encapsulation of network headers.
+ */
struct skb_gso_cb {
- int mac_offset;
+ int mac_offset;
+ int encap_level;
};
#define SKB_GSO_CB(skb) ((struct skb_gso_cb *)(skb)->cb)
diff --git a/net/core/dev.c b/net/core/dev.c
index 1b6eadf..0918aad 100644
--- a/net/core/dev.c
+++ b/net/core/dev.c
@@ -2377,6 +2377,8 @@ struct sk_buff *__skb_gso_segment(struct sk_buff *skb,
}
SKB_GSO_CB(skb)->mac_offset = skb_headroom(skb);
+ SKB_GSO_CB(skb)->encap_level = 0;
+
skb_reset_mac_header(skb);
skb_reset_mac_len(skb);
diff --git a/net/ipv4/af_inet.c b/net/ipv4/af_inet.c
index 4f8cd4f..5783ab5 100644
--- a/net/ipv4/af_inet.c
+++ b/net/ipv4/af_inet.c
@@ -1273,16 +1273,17 @@ out:
}
static struct sk_buff *inet_gso_segment(struct sk_buff *skb,
- netdev_features_t features)
+ netdev_features_t features)
{
struct sk_buff *segs = ERR_PTR(-EINVAL);
const struct net_offload *ops;
+ unsigned int offset = 0;
struct iphdr *iph;
+ bool tunnel;
int proto;
+ int nhoff;
int ihl;
int id;
- unsigned int offset = 0;
- bool tunnel;
if (unlikely(skb_shinfo(skb)->gso_type &
~(SKB_GSO_TCPV4 |
@@ -1296,6 +1297,8 @@ static struct sk_buff *inet_gso_segment(struct sk_buff *skb,
0)))
goto out;
+ skb_reset_network_header(skb);
+ nhoff = skb_network_header(skb) - skb_mac_header(skb);
if (unlikely(!pskb_may_pull(skb, sizeof(*iph))))
goto out;
@@ -1312,7 +1315,10 @@ static struct sk_buff *inet_gso_segment(struct sk_buff *skb,
goto out;
__skb_pull(skb, ihl);
- tunnel = !!skb->encapsulation;
+ tunnel = SKB_GSO_CB(skb)->encap_level > 0;
+ if (tunnel)
+ features = skb->dev->hw_enc_features & netif_skb_features(skb);
+ SKB_GSO_CB(skb)->encap_level += ihl;
skb_reset_transport_header(skb);
@@ -1327,18 +1333,23 @@ static struct sk_buff *inet_gso_segment(struct sk_buff *skb,
skb = segs;
do {
- iph = ip_hdr(skb);
+ iph = (struct iphdr *)(skb_mac_header(skb) + nhoff);
if (!tunnel && proto == IPPROTO_UDP) {
iph->id = htons(id);
iph->frag_off = htons(offset >> 3);
if (skb->next != NULL)
iph->frag_off |= htons(IP_MF);
- offset += (skb->len - skb->mac_len - iph->ihl * 4);
+ offset += skb->len - nhoff - ihl;
} else {
iph->id = htons(id++);
}
- iph->tot_len = htons(skb->len - skb->mac_len);
+ iph->tot_len = htons(skb->len - nhoff);
ip_send_check(iph);
+ if (tunnel) {
+ skb_reset_inner_headers(skb);
+ skb->encapsulation = 1;
+ }
+ skb->network_header = (u8 *)iph - skb->head;
} while ((skb = skb->next));
out:
--
1.8.4
^ permalink raw reply related
* Re: [PATCH net-next 0/6] net: Implement GSO/TSO support for IPIP
From: Eric Dumazet @ 2013-10-19 18:59 UTC (permalink / raw)
To: Eric Dumazet; +Cc: David S. Miller, netdev, Jerry Chu, Tom Herbert
In-Reply-To: <1382208178-22347-1-git-send-email-edumazet@google.com>
On Sat, 2013-10-19 at 11:42 -0700, Eric Dumazet wrote:
> This patch serie implements GSO/TSO support for IPIP
>
> David, please note it applies after "ipv4: gso: send_check() & segment() cleanups"
> ( http://patchwork.ozlabs.org/patch/284714/ )
Oh well, I meant to say the above patch was _included_ in this patch
set.
^ permalink raw reply
* [PATCH net-next 1/6] ipv4: gso: send_check() & segment() cleanups
From: Eric Dumazet @ 2013-10-19 18:42 UTC (permalink / raw)
To: David S. Miller; +Cc: netdev, Jerry Chu, Tom Herbert, Eric Dumazet
In-Reply-To: <1382208178-22347-1-git-send-email-edumazet@google.com>
inet_gso_segment() and inet_gso_send_check() are called by
skb_mac_gso_segment() under rcu lock, no need to use
rcu_read_lock() / rcu_read_unlock()
Avoid calling ip_hdr() twice per function.
We can use ip_send_check() helper.
Signed-off-by: Eric Dumazet <edumazet@google.com>
---
net/ipv4/af_inet.c | 24 +++++++++++-------------
1 file changed, 11 insertions(+), 13 deletions(-)
diff --git a/net/ipv4/af_inet.c b/net/ipv4/af_inet.c
index 35913fb..4f8cd4f 100644
--- a/net/ipv4/af_inet.c
+++ b/net/ipv4/af_inet.c
@@ -1254,20 +1254,19 @@ static int inet_gso_send_check(struct sk_buff *skb)
if (ihl < sizeof(*iph))
goto out;
+ proto = iph->protocol;
+
+ /* Warning: after this point, iph might be no longer valid */
if (unlikely(!pskb_may_pull(skb, ihl)))
goto out;
-
__skb_pull(skb, ihl);
+
skb_reset_transport_header(skb);
- iph = ip_hdr(skb);
- proto = iph->protocol;
err = -EPROTONOSUPPORT;
- rcu_read_lock();
ops = rcu_dereference(inet_offloads[proto]);
if (likely(ops && ops->callbacks.gso_send_check))
err = ops->callbacks.gso_send_check(skb);
- rcu_read_unlock();
out:
return err;
@@ -1305,23 +1304,23 @@ static struct sk_buff *inet_gso_segment(struct sk_buff *skb,
if (ihl < sizeof(*iph))
goto out;
+ id = ntohs(iph->id);
+ proto = iph->protocol;
+
+ /* Warning: after this point, iph might be no longer valid */
if (unlikely(!pskb_may_pull(skb, ihl)))
goto out;
+ __skb_pull(skb, ihl);
tunnel = !!skb->encapsulation;
- __skb_pull(skb, ihl);
skb_reset_transport_header(skb);
- iph = ip_hdr(skb);
- id = ntohs(iph->id);
- proto = iph->protocol;
+
segs = ERR_PTR(-EPROTONOSUPPORT);
- rcu_read_lock();
ops = rcu_dereference(inet_offloads[proto]);
if (likely(ops && ops->callbacks.gso_segment))
segs = ops->callbacks.gso_segment(skb, features);
- rcu_read_unlock();
if (IS_ERR_OR_NULL(segs))
goto out;
@@ -1339,8 +1338,7 @@ static struct sk_buff *inet_gso_segment(struct sk_buff *skb,
iph->id = htons(id++);
}
iph->tot_len = htons(skb->len - skb->mac_len);
- iph->check = 0;
- iph->check = ip_fast_csum(skb_network_header(skb), iph->ihl);
+ ip_send_check(iph);
} while ((skb = skb->next));
out:
--
1.8.4
^ permalink raw reply related
* [PATCH net-next 0/6] net: Implement GSO/TSO support for IPIP
From: Eric Dumazet @ 2013-10-19 18:42 UTC (permalink / raw)
To: David S. Miller; +Cc: netdev, Jerry Chu, Tom Herbert, Eric Dumazet
This patch serie implements GSO/TSO support for IPIP
David, please note it applies after "ipv4: gso: send_check() & segment() cleanups"
( http://patchwork.ozlabs.org/patch/284714/ )
Broadcom bnx2x driver is now enabled for TSO support of IPIP traffic
Before patch :
lpq83:~# ./netperf -H 7.7.9.84 -Cc
MIGRATED TCP STREAM TEST from 0.0.0.0 (0.0.0.0) port 0 AF_INET to 7.7.9.84 () port 0 AF_INET
Recv Send Send Utilization Service Demand
Socket Socket Message Elapsed Send Recv Send Recv
Size Size Size Time Throughput local remote local remote
bytes bytes bytes secs. 10^6bits/s % S % S us/KB us/KB
87380 16384 16384 10.00 3357.88 5.09 3.70 2.983 2.167
After patch :
lpq83:~# ./netperf -H 7.7.9.84 -Cc
MIGRATED TCP STREAM TEST from 0.0.0.0 (0.0.0.0) port 0 AF_INET to 7.7.9.84 () port 0 AF_INET
Recv Send Send Utilization Service Demand
Socket Socket Message Elapsed Send Recv Send Recv
Size Size Size Time Throughput local remote local remote
bytes bytes bytes secs. 10^6bits/s % S % S us/KB us/KB
87380 16384 16384 10.00 8532.40 2.55 7.73 0.588 1.781
Eric Dumazet (6):
ipv4: gso: send_check() & segment() cleanups
net: generalize skb_segment()
ipv4: generalize gre_handle_offloads
ipv4: gso: make inet_gso_segment() stackable
ipip: add GSO/TSO support
bnx2x: add TSO support for IPIP
drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c | 4 +-
include/linux/netdev_features.h | 2 +
include/linux/skbuff.h | 13 ++++--
include/net/gre.h | 8 +++-
include/net/ip_tunnels.h | 3 ++
net/core/dev.c | 2 +
net/core/ethtool.c | 1 +
net/core/skbuff.c | 22 ++-------
net/ipv4/af_inet.c | 58 ++++++++++++++++--------
net/ipv4/gre_demux.c | 29 ------------
net/ipv4/gre_offload.c | 3 +-
net/ipv4/ip_tunnel_core.c | 33 ++++++++++++++
net/ipv4/ipip.c | 11 +++--
net/ipv4/tcp_offload.c | 1 +
net/ipv4/udp_offload.c | 1 +
net/ipv6/ip6_offload.c | 1 +
net/ipv6/udp_offload.c | 1 +
net/mpls/mpls_gso.c | 1 +
18 files changed, 116 insertions(+), 78 deletions(-)
--
1.8.4
^ permalink raw reply
* [PATCH net-next 3/6] ipv4: generalize gre_handle_offloads
From: Eric Dumazet @ 2013-10-19 18:42 UTC (permalink / raw)
To: David S. Miller; +Cc: netdev, Jerry Chu, Tom Herbert, Eric Dumazet
In-Reply-To: <1382208178-22347-1-git-send-email-edumazet@google.com>
This patch makes gre_handle_offloads() more generic
and rename it to iptunnel_handle_offloads()
This will be used to add GSO/TSO support to IPIP tunnels.
Signed-off-by: Eric Dumazet <edumazet@google.com>
---
include/net/gre.h | 8 +++++++-
include/net/ip_tunnels.h | 3 +++
net/ipv4/gre_demux.c | 29 -----------------------------
net/ipv4/ip_tunnel_core.c | 33 +++++++++++++++++++++++++++++++++
4 files changed, 43 insertions(+), 30 deletions(-)
diff --git a/include/net/gre.h b/include/net/gre.h
index 57e4afd..dcd9ae3 100644
--- a/include/net/gre.h
+++ b/include/net/gre.h
@@ -38,7 +38,13 @@ void gre_offload_exit(void);
void gre_build_header(struct sk_buff *skb, const struct tnl_ptk_info *tpi,
int hdr_len);
-struct sk_buff *gre_handle_offloads(struct sk_buff *skb, bool gre_csum);
+
+static inline struct sk_buff *gre_handle_offloads(struct sk_buff *skb,
+ bool gre_csum)
+{
+ return iptunnel_handle_offloads(skb, gre_csum, SKB_GSO_GRE);
+}
+
static inline int ip_gre_calc_hlen(__be16 o_flags)
{
diff --git a/include/net/ip_tunnels.h b/include/net/ip_tunnels.h
index a0a4a10..732f8c6 100644
--- a/include/net/ip_tunnels.h
+++ b/include/net/ip_tunnels.h
@@ -150,6 +150,9 @@ int iptunnel_xmit(struct rtable *rt, struct sk_buff *skb,
__be32 src, __be32 dst, __u8 proto,
__u8 tos, __u8 ttl, __be16 df, bool xnet);
+struct sk_buff *iptunnel_handle_offloads(struct sk_buff *skb, bool gre_csum,
+ int gso_type_mask);
+
static inline void iptunnel_xmit_stats(int err,
struct net_device_stats *err_stats,
struct pcpu_tstats __percpu *stats)
diff --git a/net/ipv4/gre_demux.c b/net/ipv4/gre_demux.c
index 736c9fc3..5893e99 100644
--- a/net/ipv4/gre_demux.c
+++ b/net/ipv4/gre_demux.c
@@ -93,35 +93,6 @@ void gre_build_header(struct sk_buff *skb, const struct tnl_ptk_info *tpi,
}
EXPORT_SYMBOL_GPL(gre_build_header);
-struct sk_buff *gre_handle_offloads(struct sk_buff *skb, bool gre_csum)
-{
- int err;
-
- if (likely(!skb->encapsulation)) {
- skb_reset_inner_headers(skb);
- skb->encapsulation = 1;
- }
-
- if (skb_is_gso(skb)) {
- err = skb_unclone(skb, GFP_ATOMIC);
- if (unlikely(err))
- goto error;
- skb_shinfo(skb)->gso_type |= SKB_GSO_GRE;
- return skb;
- } else if (skb->ip_summed == CHECKSUM_PARTIAL && gre_csum) {
- err = skb_checksum_help(skb);
- if (unlikely(err))
- goto error;
- } else if (skb->ip_summed != CHECKSUM_PARTIAL)
- skb->ip_summed = CHECKSUM_NONE;
-
- return skb;
-error:
- kfree_skb(skb);
- return ERR_PTR(err);
-}
-EXPORT_SYMBOL_GPL(gre_handle_offloads);
-
static __sum16 check_checksum(struct sk_buff *skb)
{
__sum16 csum = 0;
diff --git a/net/ipv4/ip_tunnel_core.c b/net/ipv4/ip_tunnel_core.c
index c31e3ad..42ffbc8 100644
--- a/net/ipv4/ip_tunnel_core.c
+++ b/net/ipv4/ip_tunnel_core.c
@@ -116,3 +116,36 @@ int iptunnel_pull_header(struct sk_buff *skb, int hdr_len, __be16 inner_proto)
return 0;
}
EXPORT_SYMBOL_GPL(iptunnel_pull_header);
+
+struct sk_buff *iptunnel_handle_offloads(struct sk_buff *skb,
+ bool csum_help,
+ int gso_type_mask)
+{
+ int err;
+
+ if (likely(!skb->encapsulation)) {
+ skb_reset_inner_headers(skb);
+ skb->encapsulation = 1;
+ }
+
+ if (skb_is_gso(skb)) {
+ err = skb_unclone(skb, GFP_ATOMIC);
+ if (unlikely(err))
+ goto error;
+ skb_shinfo(skb)->gso_type |= gso_type_mask;
+ return skb;
+ }
+
+ if (skb->ip_summed == CHECKSUM_PARTIAL && csum_help) {
+ err = skb_checksum_help(skb);
+ if (unlikely(err))
+ goto error;
+ } else if (skb->ip_summed != CHECKSUM_PARTIAL)
+ skb->ip_summed = CHECKSUM_NONE;
+
+ return skb;
+error:
+ kfree_skb(skb);
+ return ERR_PTR(err);
+}
+EXPORT_SYMBOL_GPL(iptunnel_handle_offloads);
--
1.8.4
^ permalink raw reply related
* [PATCH net-next 5/6] ipip: add GSO/TSO support
From: Eric Dumazet @ 2013-10-19 18:42 UTC (permalink / raw)
To: David S. Miller; +Cc: netdev, Jerry Chu, Tom Herbert, Eric Dumazet
In-Reply-To: <1382208178-22347-1-git-send-email-edumazet@google.com>
Now inet_gso_segment() is stackable, its relatively easy to
implement GSO/TSO support for IPIP
Performance results, when segmentation is done after tunnel
device (as no NIC is yet enabled for TSO IPIP support) :
Before patch :
lpq83:~# ./netperf -H 7.7.9.84 -Cc
MIGRATED TCP STREAM TEST from 0.0.0.0 (0.0.0.0) port 0 AF_INET to 7.7.9.84 () port 0 AF_INET
Recv Send Send Utilization Service Demand
Socket Socket Message Elapsed Send Recv Send Recv
Size Size Size Time Throughput local remote local remote
bytes bytes bytes secs. 10^6bits/s % S % S us/KB us/KB
87380 16384 16384 10.00 3357.88 5.09 3.70 2.983 2.167
After patch :
lpq83:~# ./netperf -H 7.7.9.84 -Cc
MIGRATED TCP STREAM TEST from 0.0.0.0 (0.0.0.0) port 0 AF_INET to 7.7.9.84 () port 0 AF_INET
Recv Send Send Utilization Service Demand
Socket Socket Message Elapsed Send Recv Send Recv
Size Size Size Time Throughput local remote local remote
bytes bytes bytes secs. 10^6bits/s % S % S us/KB us/KB
87380 16384 16384 10.00 7710.19 4.52 6.62 1.152 1.687
Signed-off-by: Eric Dumazet <edumazet@google.com>
---
include/linux/netdev_features.h | 2 ++
include/linux/skbuff.h | 6 ++++--
net/core/ethtool.c | 1 +
net/ipv4/af_inet.c | 9 +++++++++
net/ipv4/gre_offload.c | 3 ++-
net/ipv4/ipip.c | 11 ++++++-----
net/ipv4/tcp_offload.c | 1 +
net/ipv4/udp_offload.c | 1 +
net/ipv6/ip6_offload.c | 1 +
net/ipv6/udp_offload.c | 1 +
net/mpls/mpls_gso.c | 1 +
11 files changed, 29 insertions(+), 8 deletions(-)
diff --git a/include/linux/netdev_features.h b/include/linux/netdev_features.h
index a2a89a5..8dad68c 100644
--- a/include/linux/netdev_features.h
+++ b/include/linux/netdev_features.h
@@ -42,6 +42,7 @@ enum {
NETIF_F_TSO6_BIT, /* ... TCPv6 segmentation */
NETIF_F_FSO_BIT, /* ... FCoE segmentation */
NETIF_F_GSO_GRE_BIT, /* ... GRE with TSO */
+ NETIF_F_GSO_IPIP_BIT, /* ... IPIP tunnel with TSO */
NETIF_F_GSO_UDP_TUNNEL_BIT, /* ... UDP TUNNEL with TSO */
NETIF_F_GSO_MPLS_BIT, /* ... MPLS segmentation */
/**/NETIF_F_GSO_LAST = /* last bit, see GSO_MASK */
@@ -107,6 +108,7 @@ enum {
#define NETIF_F_RXFCS __NETIF_F(RXFCS)
#define NETIF_F_RXALL __NETIF_F(RXALL)
#define NETIF_F_GSO_GRE __NETIF_F(GSO_GRE)
+#define NETIF_F_GSO_IPIP __NETIF_F(GSO_IPIP)
#define NETIF_F_GSO_UDP_TUNNEL __NETIF_F(GSO_UDP_TUNNEL)
#define NETIF_F_GSO_MPLS __NETIF_F(GSO_MPLS)
#define NETIF_F_HW_VLAN_STAG_FILTER __NETIF_F(HW_VLAN_STAG_FILTER)
diff --git a/include/linux/skbuff.h b/include/linux/skbuff.h
index cad1e0c..6072913 100644
--- a/include/linux/skbuff.h
+++ b/include/linux/skbuff.h
@@ -318,9 +318,11 @@ enum {
SKB_GSO_GRE = 1 << 6,
- SKB_GSO_UDP_TUNNEL = 1 << 7,
+ SKB_GSO_IPIP = 1 << 7,
- SKB_GSO_MPLS = 1 << 8,
+ SKB_GSO_UDP_TUNNEL = 1 << 8,
+
+ SKB_GSO_MPLS = 1 << 9,
};
#if BITS_PER_LONG > 32
diff --git a/net/core/ethtool.c b/net/core/ethtool.c
index 78e9d92..8cab774 100644
--- a/net/core/ethtool.c
+++ b/net/core/ethtool.c
@@ -81,6 +81,7 @@ static const char netdev_features_strings[NETDEV_FEATURE_COUNT][ETH_GSTRING_LEN]
[NETIF_F_TSO6_BIT] = "tx-tcp6-segmentation",
[NETIF_F_FSO_BIT] = "tx-fcoe-segmentation",
[NETIF_F_GSO_GRE_BIT] = "tx-gre-segmentation",
+ [NETIF_F_GSO_IPIP_BIT] = "tx-ipip-segmentation",
[NETIF_F_GSO_UDP_TUNNEL_BIT] = "tx-udp_tnl-segmentation",
[NETIF_F_GSO_MPLS_BIT] = "tx-mpls-segmentation",
diff --git a/net/ipv4/af_inet.c b/net/ipv4/af_inet.c
index 5783ab5..4049906 100644
--- a/net/ipv4/af_inet.c
+++ b/net/ipv4/af_inet.c
@@ -1291,6 +1291,7 @@ static struct sk_buff *inet_gso_segment(struct sk_buff *skb,
SKB_GSO_DODGY |
SKB_GSO_TCP_ECN |
SKB_GSO_GRE |
+ SKB_GSO_IPIP |
SKB_GSO_TCPV6 |
SKB_GSO_UDP_TUNNEL |
SKB_GSO_MPLS |
@@ -1656,6 +1657,13 @@ static struct packet_offload ip_packet_offload __read_mostly = {
},
};
+static const struct net_offload ipip_offload = {
+ .callbacks = {
+ .gso_send_check = inet_gso_send_check,
+ .gso_segment = inet_gso_segment,
+ },
+};
+
static int __init ipv4_offload_init(void)
{
/*
@@ -1667,6 +1675,7 @@ static int __init ipv4_offload_init(void)
pr_crit("%s: Cannot add TCP protocol offload\n", __func__);
dev_add_offload(&ip_packet_offload);
+ inet_add_offload(&ipip_offload, IPPROTO_IPIP);
return 0;
}
diff --git a/net/ipv4/gre_offload.c b/net/ipv4/gre_offload.c
index 55e6bfb..e5d4361 100644
--- a/net/ipv4/gre_offload.c
+++ b/net/ipv4/gre_offload.c
@@ -39,7 +39,8 @@ static struct sk_buff *gre_gso_segment(struct sk_buff *skb,
SKB_GSO_UDP |
SKB_GSO_DODGY |
SKB_GSO_TCP_ECN |
- SKB_GSO_GRE)))
+ SKB_GSO_GRE |
+ SKB_GSO_IPIP)))
goto out;
if (unlikely(!pskb_may_pull(skb, sizeof(*greh))))
diff --git a/net/ipv4/ipip.c b/net/ipv4/ipip.c
index 7f80fb4..fe3e9f7 100644
--- a/net/ipv4/ipip.c
+++ b/net/ipv4/ipip.c
@@ -220,17 +220,17 @@ static netdev_tx_t ipip_tunnel_xmit(struct sk_buff *skb, struct net_device *dev)
if (unlikely(skb->protocol != htons(ETH_P_IP)))
goto tx_error;
- if (likely(!skb->encapsulation)) {
- skb_reset_inner_headers(skb);
- skb->encapsulation = 1;
- }
+ skb = iptunnel_handle_offloads(skb, false, SKB_GSO_IPIP);
+ if (IS_ERR(skb))
+ goto out;
ip_tunnel_xmit(skb, dev, tiph, tiph->protocol);
return NETDEV_TX_OK;
tx_error:
- dev->stats.tx_errors++;
dev_kfree_skb(skb);
+out:
+ dev->stats.tx_errors++;
return NETDEV_TX_OK;
}
@@ -275,6 +275,7 @@ static const struct net_device_ops ipip_netdev_ops = {
#define IPIP_FEATURES (NETIF_F_SG | \
NETIF_F_FRAGLIST | \
NETIF_F_HIGHDMA | \
+ NETIF_F_GSO_SOFTWARE | \
NETIF_F_HW_CSUM)
static void ipip_tunnel_setup(struct net_device *dev)
diff --git a/net/ipv4/tcp_offload.c b/net/ipv4/tcp_offload.c
index 8e3113f..dfc96b0 100644
--- a/net/ipv4/tcp_offload.c
+++ b/net/ipv4/tcp_offload.c
@@ -56,6 +56,7 @@ struct sk_buff *tcp_gso_segment(struct sk_buff *skb,
SKB_GSO_TCP_ECN |
SKB_GSO_TCPV6 |
SKB_GSO_GRE |
+ SKB_GSO_IPIP |
SKB_GSO_MPLS |
SKB_GSO_UDP_TUNNEL |
0) ||
diff --git a/net/ipv4/udp_offload.c b/net/ipv4/udp_offload.c
index f35ecca..83206de 100644
--- a/net/ipv4/udp_offload.c
+++ b/net/ipv4/udp_offload.c
@@ -52,6 +52,7 @@ static struct sk_buff *udp4_ufo_fragment(struct sk_buff *skb,
if (unlikely(type & ~(SKB_GSO_UDP | SKB_GSO_DODGY |
SKB_GSO_UDP_TUNNEL |
+ SKB_GSO_IPIP |
SKB_GSO_GRE | SKB_GSO_MPLS) ||
!(type & (SKB_GSO_UDP))))
goto out;
diff --git a/net/ipv6/ip6_offload.c b/net/ipv6/ip6_offload.c
index d82de72..548036a 100644
--- a/net/ipv6/ip6_offload.c
+++ b/net/ipv6/ip6_offload.c
@@ -98,6 +98,7 @@ static struct sk_buff *ipv6_gso_segment(struct sk_buff *skb,
SKB_GSO_DODGY |
SKB_GSO_TCP_ECN |
SKB_GSO_GRE |
+ SKB_GSO_IPIP |
SKB_GSO_UDP_TUNNEL |
SKB_GSO_MPLS |
SKB_GSO_TCPV6 |
diff --git a/net/ipv6/udp_offload.c b/net/ipv6/udp_offload.c
index 6055951..f63780f 100644
--- a/net/ipv6/udp_offload.c
+++ b/net/ipv6/udp_offload.c
@@ -64,6 +64,7 @@ static struct sk_buff *udp6_ufo_fragment(struct sk_buff *skb,
SKB_GSO_DODGY |
SKB_GSO_UDP_TUNNEL |
SKB_GSO_GRE |
+ SKB_GSO_IPIP |
SKB_GSO_MPLS) ||
!(type & (SKB_GSO_UDP))))
goto out;
diff --git a/net/mpls/mpls_gso.c b/net/mpls/mpls_gso.c
index 1bec121..851cd88 100644
--- a/net/mpls/mpls_gso.c
+++ b/net/mpls/mpls_gso.c
@@ -33,6 +33,7 @@ static struct sk_buff *mpls_gso_segment(struct sk_buff *skb,
SKB_GSO_DODGY |
SKB_GSO_TCP_ECN |
SKB_GSO_GRE |
+ SKB_GSO_IPIP |
SKB_GSO_MPLS)))
goto out;
--
1.8.4
^ permalink raw reply related
* [PATCH net-next 6/6] bnx2x: add TSO support for IPIP
From: Eric Dumazet @ 2013-10-19 18:42 UTC (permalink / raw)
To: David S. Miller; +Cc: netdev, Jerry Chu, Tom Herbert, Eric Dumazet
In-Reply-To: <1382208178-22347-1-git-send-email-edumazet@google.com>
bnx2x driver already handles TSO for GRE, current code
is the same for IPIP.
Performance results : (Note we are now limited by receiver,
as it does not support GRO for IPIP yet)
Before patch :
lpq83:~# ./netperf -H 7.7.9.84 -Cc
MIGRATED TCP STREAM TEST from 0.0.0.0 (0.0.0.0) port 0 AF_INET to 7.7.9.84 () port 0 AF_INET
Recv Send Send Utilization Service Demand
Socket Socket Message Elapsed Send Recv Send Recv
Size Size Size Time Throughput local remote local remote
bytes bytes bytes secs. 10^6bits/s % S % S us/KB us/KB
87380 16384 16384 10.00 7710.19 4.52 6.62 1.152 1.687
After patch :
lpq83:~# ./netperf -H 7.7.9.84 -Cc
MIGRATED TCP STREAM TEST from 0.0.0.0 (0.0.0.0) port 0 AF_INET to 7.7.9.84 () port 0 AF_INET
Recv Send Send Utilization Service Demand
Socket Socket Message Elapsed Send Recv Send Recv
Size Size Size Time Throughput local remote local remote
bytes bytes bytes secs. 10^6bits/s % S % S us/KB us/KB
87380 16384 16384 10.00 8532.40 2.55 7.73 0.588 1.781
Signed-off-by: Eric Dumazet <edumazet@google.com>
---
drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c
index 8fd3432..6e5b35f 100644
--- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c
+++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c
@@ -12260,10 +12260,12 @@ static int bnx2x_init_dev(struct bnx2x *bp, struct pci_dev *pdev,
NETIF_F_RXCSUM | NETIF_F_LRO | NETIF_F_GRO |
NETIF_F_RXHASH | NETIF_F_HW_VLAN_CTAG_TX;
if (!CHIP_IS_E1x(bp)) {
- dev->hw_features |= NETIF_F_GSO_GRE | NETIF_F_GSO_UDP_TUNNEL;
+ dev->hw_features |= NETIF_F_GSO_GRE | NETIF_F_GSO_UDP_TUNNEL |
+ NETIF_F_GSO_IPIP;
dev->hw_enc_features =
NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM | NETIF_F_SG |
NETIF_F_TSO | NETIF_F_TSO_ECN | NETIF_F_TSO6 |
+ NETIF_F_GSO_IPIP |
NETIF_F_GSO_GRE | NETIF_F_GSO_UDP_TUNNEL;
}
--
1.8.4
^ permalink raw reply related
* [PATCH net-next 2/6] net: generalize skb_segment()
From: Eric Dumazet @ 2013-10-19 18:42 UTC (permalink / raw)
To: David S. Miller; +Cc: netdev, Jerry Chu, Tom Herbert, Eric Dumazet
In-Reply-To: <1382208178-22347-1-git-send-email-edumazet@google.com>
While implementing GSO/TSO support for IPIP, I found skb_segment()
was assuming network header was immediately following mac header.
Its not really true in the case inet_gso_segment() is stacked :
By the time tcp_gso_segment() is called, network header points
to the inner IP header.
Let's instead assume nothing and pick the current offsets found in
original skb, we have skb_headers_offset_update() helper for that.
Also move the csum_start update inside skb_headers_offset_update()
Signed-off-by: Eric Dumazet <edumazet@google.com>
---
net/core/skbuff.c | 22 +++++-----------------
1 file changed, 5 insertions(+), 17 deletions(-)
diff --git a/net/core/skbuff.c b/net/core/skbuff.c
index 8ead744..0ab32fa 100644
--- a/net/core/skbuff.c
+++ b/net/core/skbuff.c
@@ -903,6 +903,9 @@ EXPORT_SYMBOL(skb_clone);
static void skb_headers_offset_update(struct sk_buff *skb, int off)
{
+ /* Only adjust this if it actually is csum_start rather than csum */
+ if (skb->ip_summed == CHECKSUM_PARTIAL)
+ skb->csum_start += off;
/* {transport,network,mac}_header and tail are relative to skb->head */
skb->transport_header += off;
skb->network_header += off;
@@ -1109,9 +1112,6 @@ int pskb_expand_head(struct sk_buff *skb, int nhead, int ntail,
#endif
skb->tail += off;
skb_headers_offset_update(skb, nhead);
- /* Only adjust this if it actually is csum_start rather than csum */
- if (skb->ip_summed == CHECKSUM_PARTIAL)
- skb->csum_start += nhead;
skb->cloned = 0;
skb->hdr_len = 0;
skb->nohdr = 0;
@@ -1176,7 +1176,6 @@ struct sk_buff *skb_copy_expand(const struct sk_buff *skb,
NUMA_NO_NODE);
int oldheadroom = skb_headroom(skb);
int head_copy_len, head_copy_off;
- int off;
if (!n)
return NULL;
@@ -1200,11 +1199,7 @@ struct sk_buff *skb_copy_expand(const struct sk_buff *skb,
copy_skb_header(n, skb);
- off = newheadroom - oldheadroom;
- if (n->ip_summed == CHECKSUM_PARTIAL)
- n->csum_start += off;
-
- skb_headers_offset_update(n, off);
+ skb_headers_offset_update(n, newheadroom - oldheadroom);
return n;
}
@@ -2837,14 +2832,7 @@ struct sk_buff *skb_segment(struct sk_buff *skb, netdev_features_t features)
__copy_skb_header(nskb, skb);
nskb->mac_len = skb->mac_len;
- /* nskb and skb might have different headroom */
- if (nskb->ip_summed == CHECKSUM_PARTIAL)
- nskb->csum_start += skb_headroom(nskb) - headroom;
-
- skb_reset_mac_header(nskb);
- skb_set_network_header(nskb, skb->mac_len);
- nskb->transport_header = (nskb->network_header +
- skb_network_header_len(skb));
+ skb_headers_offset_update(nskb, skb_headroom(nskb) - headroom);
skb_copy_from_linear_data_offset(skb, -tnl_hlen,
nskb->data - tnl_hlen,
--
1.8.4
^ permalink raw reply related
* Re: [RFC net-next] ipv6: Use destination address determined by IPVS
From: Hannes Frederic Sowa @ 2013-10-19 18:34 UTC (permalink / raw)
To: Julian Anastasov
Cc: Simon Horman,
YOSHIFUJI Hideaki / 吉藤英明, lvs-devel,
netdev, Mark Brooks, Phil Oester
In-Reply-To: <alpine.LFD.2.03.1310191919290.1469@ssi.bg>
On Sat, Oct 19, 2013 at 07:37:10PM +0300, Julian Anastasov wrote:
>
> Hello,
>
> On Fri, 18 Oct 2013, Hannes Frederic Sowa wrote:
>
> > I played around with your patch and tested xt_TEE. I added a TEE rule to
> > mangle/OUTPUT and pinged. This happend, I have not yet analyzed it:
> >
> > [ 101.126649] ------------[ cut here ]------------
> > [ 101.128436] BUG: unable to handle kernel paging request at fffffffb8a2fda88
> > [ 101.129421] IP: [<ffffffff810c9737>] cpuacct_charge+0x97/0x200
> > [ 101.129421] PGD 1c0f067 PUD 0
> > [ 101.129421] Thread overran stack, or stack corrupted
>
> Problem with process stack? May be some packet loop
> happens? Because I can not reproduce such problem in my
> virtual setup, I tested TEE too, with careful packet
> matching and 1 CPU. Should I assume that you don't have such
> oops when the patch is not applied, with the same TEE rule?
Oh, sorry, you are right. It happens with an unpatched net-next kernel, too.
I inserted the TEE rule in mangel/OUTGOING and had only one route, ip -6 r a
default via fe80::1 dev eth0 which at the time of the panic was actually not
reachable.
> > [ 101.129421] Oops: 0000 [#1] SMP
>
> You don't appear to have PREEMPT in above line.
> I'm not sure when preemption is enabled if tee_tg6() does
> not have a problem with its anti-loop measures (tee_active).
> Is preemption possible in OUTPUT hook, i.e. can we change
> the CPU while playing with tee_active and as result change
> different flag?
Hm, maybe. I don't have too much insight into netfilter stack and
what are the differences between OUTPUT and FORWARD path but plan to
investigate. ;)
Anyways just wanted to let you know that unpatched kernels are affected, too.
Will have a closer look later.
Greetings,
Hannes
^ permalink raw reply
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