Re: BUG_ON in mmu.c:436

[Scott Serr <serrs-LOV8xbAlIgXk1uMJSBkQmQ@public.gmane.org>]

Hi Ryan,

I had a similar problem yesterday with Xen.  I posted it to the Xen 
mailing list.  Now I'm hopeful of try this in KVM, but it looks like you 
aren't having much luck.  (stopping on anaconda rings a bell)

Here is part of my post:

    Xen HVM = CentOS 4.5
    running VMware Server 1.0.4 (not VMware WS 6.0 image compatible)

    It will start a CentOS 4.5 install (inside VMware) but a ways into
    it, it says it didn't detect any hard drives.  So I choose a driver
    module it suggests.  A few more seconds into it I get "Running
    anacoda, the CentOS-4 i386 system install - please wait..."  The
    cursor is flashing for about 5 seconds, then stops flashing. 
    VMware's VM is dead at that point.

I don't know if this helps anyone but... I guess I can commiserate.

-Scott


Ryan Harper wrote:
> I've run into a nasty bug while trying to install a Linux guest using
> VMware Server inside a kvm guest (full dmesg attached and recreate
> instructions below bug).
>
> kernel BUG at /opt/tickless/kvm-43/kernel/mmu.c:436!
> invalid opcode: 0000 [1] SMP 
> CPU 0 
> Modules linked in: kvm_amd kvm
> Pid: 3274, comm: qemu-system-x86 Not tainted 2.6.22-hal_x86_64 #5
> RIP: 0010:[<ffffffff88007ff8>]  [<ffffffff88007ff8>] :kvm:kvm_mmu_get_page+0x2d5/0x321
> RSP: 0018:ffff810126f01858  EFLAGS: 00010293
> RAX: 000000000011a338 RBX: 0000000000000000 RCX: ffff81012a564080
> RDX: 000ffffffffff000 RSI: 000000000000c3b9 RDI: 000000000011a338
> RBP: ffff8100bf57c638 R08: 0000000000000000 R09: 0000000000000004
> R10: 0000000000000000 R11: ffffffff8801971c R12: ffff810103c1c0f0
> R13: ffff81012fb3b440 R14: ffff810105fe8000 R15: 000000000000c3b9
> FS:  0000000000000000(0000) GS:ffffffff8073b000(0000) knlGS:0000000000000000
> CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
> CR2: 00000000006b9540 CR3: 00000001276d6000 CR4: 00000000000006e0
> Process qemu-system-x86 (pid: 3274, threadinfo ffff810126f00000, task ffff81012717c6b0)
> Stack:  0000000000000004 0000000000000002 ffff8100c02ccff0 ffff810105fe8000
>  0000000000000015 00000000ffc487c3 0000000000000000 ffffffff880084cb
>  ffff8100c02ccff0 0000000000000000 ffff81012713c340 ffff810001025880
> Call Trace:
>  [<ffffffff880084cb>] :kvm:paging64_page_fault+0x18f/0x27a
>  [<ffffffff8800a4d4>] :kvm:x86_emulate_insn+0x1bcb/0x2eb0
>  [<ffffffff88018cf3>] :kvm_amd:svm_vcpu_load+0x0/0x56
>  [<ffffffff88019797>] :kvm_amd:pf_interception+0x7b/0x100
>  [<ffffffff880041d8>] :kvm:kvm_vcpu_ioctl_run+0x292/0x3a3
>  [<ffffffff880043f6>] :kvm:kvm_vcpu_ioctl+0x10d/0xd7f
>  [<ffffffff8021e487>] gart_map_single+0x2c/0x6f
>  [<ffffffff803ea947>] bnx2_start_xmit+0x27f/0x500
>  [<ffffffff80288260>] do_select+0x449/0x466
>  [<ffffffff80288769>] __pollwait+0x0/0xe1
>  [<ffffffff804ea3a6>] ip_queue_xmit+0x2f1/0x344
>  [<ffffffff804f8cd9>] tcp_send_ack+0x23/0x102
>  [<ffffffff804f8bac>] tcp_transmit_skb+0x6a1/0x6de
>  [<ffffffff804cc8b2>] __alloc_skb+0x84/0x13c
>  [<ffffffff80553f0f>] _spin_lock_bh+0x9/0x19
>  [<ffffffff804c8c05>] release_sock+0x13/0x9b
>  [<ffffffff804f0cfc>] tcp_recvmsg+0x6bb/0x7ce
>  [<ffffffff804c8562>] sock_common_recvmsg+0x30/0x45
>  [<ffffffff804cdc38>] memcpy_toiovec+0x36/0x66
>  [<ffffffff802765e2>] add_partial+0x12/0x3f
>  [<ffffffff80277331>] __slab_free+0x74/0x2d4
>  [<ffffffff80242837>] remove_wait_queue+0x12/0x45
>  [<ffffffff803fa70c>] tun_chr_aio_read+0x2a9/0x2bb
>  [<ffffffff802884b1>] core_sys_select+0x234/0x265
>  [<ffffffff8024468e>] enqueue_hrtimer+0x64/0x6b
>  [<ffffffff80244bf4>] hrtimer_start+0xf2/0x104
>  [<ffffffff80239ead>] __dequeue_signal+0x19/0x15a
>  [<ffffffff80239953>] recalc_sigpending+0xe/0x25
>  [<ffffffff8023b477>] dequeue_signal+0xa5/0x126
>  [<ffffffff8028722f>] do_ioctl+0x2b/0xb6
>  [<ffffffff802874fd>] vfs_ioctl+0x243/0x25c
>  [<ffffffff80245c27>] getnstimeofday+0x32/0x8b
>  [<ffffffff80287552>] sys_ioctl+0x3c/0x5e
>  [<ffffffff802092de>] system_call+0x7e/0x83
>
>
> Code: 0f 0b eb fe 48 8b 45 00 a8 01 75 04 0f 0b eb fe a8 02 75 04 
> RIP  [<ffffffff88007ff8>] :kvm:kvm_mmu_get_page+0x2d5/0x321
>  RSP <ffff810126f01858>
>
>
> Here is the setup:
>
> IBM LS21 - 2 socket AMD Host, 64-bit mode, kvm-43 on 2.6.22, 4G ram
>
> 1. Apply set_cr3 gp fault patch to kvm, rebuild and insert modules.
>
> 2. Install Ubuntu Fiesty i386 into a KVM guest
>
>     1. qemu-img create -f qcow2 vmware-server.img 50G
>     2. qemu-system-x86_64 -hda vmware-server.img -m 512 -no-rtc -net tap -net nic,model=rtl8139 -vnc :1 -cdrom /home/rharper/ubuntu-7.04-desktop-i386.iso -boot d
>
> 2. Download FC-6 i386 disc 1 from some fedora mirror
>    http://mirrors.kernel.org/fedora/core/6/i386/iso/FC-6-i386-disc1.iso
>
> 3. Boot Feisty guest and install VMware Server following this guide:
>    http://www.ubuntugeek.com/how-to-install-vmware-server-from-canonical-commercial-repository-in-ubuntu-feisty.html 
>
>    ./qemu-system-x86_64 -hda vmware-server.img -m 512 -no-rtc -net tap
>    -net nic,model=rtl8139 -vnc :1 -cdrom FC-6-i386-disc1.iso -boot c
>
> 4. Reboot and Run Vmware-server tool (Applications->System Tools->VMWare
>       Server Console)
>
> 5. Create New Virtual Machine:
>    1. Typical
>    2. Linux
>    3. Red Hat Linux
>    4. Default location is ok
>    5. Use NAT
>    6. 8G is fine, don't allocate and don't split into 2G
>    7. Finish
>
> 6. Stop guest and rerun qemu but with -snapshot (so I don't corrupt the
>       guest disk)
>
>    ./qemu-system-x86_64 -hda vmware-server.img -snapshot -m 512 -no-rtc \
>    -net tap -net nic,model=rtl8139 -vnc :1 -cdrom FC-6-i386-disc1.iso
>
> 6. Power on VM
>    1. Hit enter at Fedora Boot menu
>    2. Skip disk check
>    3. Wait for anaconda to start to load - gets to a black screen
>
> At this point, sometimes the bug will trip, other times, I need to do
> some work in the host (tar tzvf kvm-43.tar.gz) a couple times and it
> trips.
>
>   
> ------------------------------------------------------------------------
>
> Linux version 2.6.22 (root@leaf8) (gcc version 4.1.2 (Ubuntu 4.1.2-0ubuntu4)) #5 SMP Fri Aug 24 10:23:37 CDT 2007
> Command line: root=/dev/sda1 ro console=tty0 console=ttyS0,19200
> BIOS-provided physical RAM map:
>  BIOS-e820: 0000000000000000 - 000000000009d000 (usable)
>  BIOS-e820: 000000000009d000 - 00000000000a0000 (reserved)
>  BIOS-e820: 00000000000e0000 - 0000000000100000 (reserved)
>  BIOS-e820: 0000000000100000 - 00000000cffa44c0 (usable)
>  BIOS-e820: 00000000cffa44c0 - 00000000cffa7400 (ACPI data)
>  BIOS-e820: 00000000cffa7400 - 00000000d0000000 (reserved)
>  BIOS-e820: 00000000f4000000 - 00000000fc000000 (reserved)
>  BIOS-e820: 00000000fec00000 - 0000000100000000 (reserved)
>  BIOS-e820: 0000000100000000 - 0000000130000000 (usable)
> Entering add_active_range(0, 0, 157) 0 entries of 3200 used
> Entering add_active_range(0, 256, 851876) 1 entries of 3200 used
> Entering add_active_range(0, 1048576, 1245184) 2 entries of 3200 used
> end_pfn_map = 1245184
> DMI 2.3 present.
> ACPI: RSDP 000FDFE0, 0014 (r0 IBM   )
> ACPI: RSDT CFFA7380, 0038 (r1 IBM    SERLEWIS     1000 IBM  45444F43)
> ACPI: FACP CFFA72C0, 0084 (r2 IBM    SERLEWIS     1000 IBM  45444F43)
> ACPI: DSDT CFFA44C0, 2B02 (r1 IBM    SERLEWIS     1000 INTL  2002025)
> ACPI: FACS CFFA7040, 0040
> ACPI: APIC CFFA7200, 0090 (r1 IBM    SERLEWIS     1000 IBM  45444F43)
> ACPI: SRAT CFFA7100, 00E8 (r1 AMD    HAMMER          1 AMD         1)
> ACPI: HPET CFFA70C0, 0038 (r1 IBM    SERLEWIS     1000 IBM  45444F43)
> ACPI: MCFG CFFA7080, 003C (r1 IBM    SERLEWIS     1000 IBM  45444F43)
> SRAT: PXM 0 -> APIC 0 -> Node 0
> SRAT: PXM 0 -> APIC 1 -> Node 0
> SRAT: PXM 1 -> APIC 2 -> Node 1
> SRAT: PXM 1 -> APIC 3 -> Node 1
> SRAT: Node 0 PXM 0 0-a0000
> Entering add_active_range(0, 0, 157) 0 entries of 3200 used
> SRAT: Node 0 PXM 0 0-d0000000
> Entering add_active_range(0, 0, 157) 1 entries of 3200 used
> Entering add_active_range(0, 256, 851876) 1 entries of 3200 used
> SRAT: Node 0 PXM 0 0-130000000
> Entering add_active_range(0, 0, 157) 2 entries of 3200 used
> Entering add_active_range(0, 256, 851876) 2 entries of 3200 used
> Entering add_active_range(0, 1048576, 1245184) 2 entries of 3200 used
> NUMA: Using 63 for the hash shift.
> Bootmem setup node 0 0000000000000000-0000000130000000
> Zone PFN ranges:
>   DMA             0 ->     4096
>   DMA32        4096 ->  1048576
>   Normal    1048576 ->  1245184
> early_node_map[3] active PFN ranges
>     0:        0 ->      157
>     0:      256 ->   851876
>     0:  1048576 ->  1245184
> On node 0 totalpages: 1048385
>   DMA zone: 56 pages used for memmap
>   DMA zone: 1661 pages reserved
>   DMA zone: 2280 pages, LIFO batch:0
>   DMA32 zone: 14280 pages used for memmap
>   DMA32 zone: 833500 pages, LIFO batch:31
>   Normal zone: 2688 pages used for memmap
>   Normal zone: 193920 pages, LIFO batch:31
> ACPI: PM-Timer IO Port: 0x488
> ACPI: Local APIC address 0xfee00000
> ACPI: LAPIC (acpi_id[0x00] lapic_id[0x00] enabled)
> Processor #0 (Bootup-CPU)
> ACPI: LAPIC (acpi_id[0x01] lapic_id[0x02] enabled)
> Processor #2
> ACPI: LAPIC (acpi_id[0x02] lapic_id[0x01] enabled)
> Processor #1
> ACPI: LAPIC (acpi_id[0x03] lapic_id[0x03] enabled)
> Processor #3
> ACPI: LAPIC_NMI (acpi_id[0x00] dfl dfl lint[0x1])
> ACPI: LAPIC_NMI (acpi_id[0x01] dfl dfl lint[0x1])
> ACPI: LAPIC_NMI (acpi_id[0x02] dfl dfl lint[0x1])
> ACPI: LAPIC_NMI (acpi_id[0x03] dfl dfl lint[0x1])
> ACPI: IOAPIC (id[0x0e] address[0xfec00000] gsi_base[0])
> IOAPIC[0]: apic_id 14, address 0xfec00000, GSI 0-15
> ACPI: IOAPIC (id[0x0d] address[0xfec02000] gsi_base[16])
> IOAPIC[1]: apic_id 13, address 0xfec02000, GSI 16-31
> ACPI: INT_SRC_OVR (bus 0 bus_irq 0 global_irq 2 dfl dfl)
> ACPI: INT_SRC_OVR (bus 0 bus_irq 9 global_irq 9 low level)
> ACPI: IRQ0 used by override.
> ACPI: IRQ2 used by override.
> ACPI: IRQ9 used by override.
> Setting APIC routing to flat
> ACPI: HPET id: 0x1166a201 base: 0xfed00000
> Using ACPI (MADT) for SMP configuration information
> swsusp: Registered nosave memory region: 000000000009d000 - 00000000000a0000
> swsusp: Registered nosave memory region: 00000000000a0000 - 00000000000e0000
> swsusp: Registered nosave memory region: 00000000000e0000 - 0000000000100000
> swsusp: Registered nosave memory region: 00000000cffa4000 - 00000000cffa5000
> swsusp: Registered nosave memory region: 00000000cffa5000 - 00000000cffa7000
> swsusp: Registered nosave memory region: 00000000cffa7000 - 00000000cffa8000
> swsusp: Registered nosave memory region: 00000000cffa8000 - 00000000d0000000
> swsusp: Registered nosave memory region: 00000000d0000000 - 00000000f4000000
> swsusp: Registered nosave memory region: 00000000f4000000 - 00000000fc000000
> swsusp: Registered nosave memory region: 00000000fc000000 - 00000000fec00000
> swsusp: Registered nosave memory region: 00000000fec00000 - 0000000100000000
> Allocating PCI resources starting at d4000000 (gap: d0000000:24000000)
> SMP: Allowing 4 CPUs, 0 hotplug CPUs
> PERCPU: Allocating 37488 bytes of per cpu data
> Built 1 zonelists.  Total pages: 1029700
> Kernel command line: root=/dev/sda1 ro console=tty0 console=ttyS0,19200
> Initializing CPU#0
> PID hash table entries: 4096 (order: 12, 32768 bytes)
> Marking TSC unstable due to TSCs unsynchronized
> time.c: Detected 2400.084 MHz processor.
> Console: colour VGA+ 80x25
> Checking aperture...
> CPU 0: aperture @ f4000000 size 64 MB
> CPU 1: aperture @ f4000000 size 64 MB
> Memory: 4118200k/4980736k available (3430k kernel code, 75340k reserved, 1923k data, 312k init)
> SLUB: Genslabs=23, HWalign=64, Order=0-1, MinObjects=4, CPUs=4, Nodes=1
> Calibrating delay using timer specific routine.. 4803.93 BogoMIPS (lpj=9607861)
> Dentry cache hash table entries: 524288 (order: 10, 4194304 bytes)
> Inode-cache hash table entries: 262144 (order: 9, 2097152 bytes)
> Mount-cache hash table entries: 256
> CPU: L1 I Cache: 64K (64 bytes/line), D cache 64K (64 bytes/line)
> CPU: L2 Cache: 1024K (64 bytes/line)
> CPU 0/0 -> Node 0
> CPU: Physical Processor ID: 0
> CPU: Processor Core ID: 0
> SMP alternatives: switching to UP code
> ACPI: Core revision 20070126
> Using local APIC timer interrupts.
> result 12500452
> Detected 12.500 MHz APIC timer.
> SMP alternatives: switching to SMP code
> Booting processor 1/4 APIC 0x2
> Initializing CPU#1
> Calibrating delay using timer specific routine.. 4800.55 BogoMIPS (lpj=9601112)
> CPU: L1 I Cache: 64K (64 bytes/line), D cache 64K (64 bytes/line)
> CPU: L2 Cache: 1024K (64 bytes/line)
> CPU 1/2 -> Node 0
> CPU: Physical Processor ID: 1
> CPU: Processor Core ID: 0
> Dual-Core AMD Opteron(tm) Processor 2220 stepping 03
> SMP alternatives: switching to SMP code
> Booting processor 2/4 APIC 0x1
> Initializing CPU#2
> Calibrating delay using timer specific routine.. 4800.50 BogoMIPS (lpj=9601001)
> CPU: L1 I Cache: 64K (64 bytes/line), D cache 64K (64 bytes/line)
> CPU: L2 Cache: 1024K (64 bytes/line)
> CPU 2/1 -> Node 0
> CPU: Physical Processor ID: 0
> CPU: Processor Core ID: 1
> Dual-Core AMD Opteron(tm) Processor 2220 stepping 03
> SMP alternatives: switching to SMP code
> Booting processor 3/4 APIC 0x3
> Initializing CPU#3
> Calibrating delay using timer specific routine.. 4800.53 BogoMIPS (lpj=9601073)
> CPU: L1 I Cache: 64K (64 bytes/line), D cache 64K (64 bytes/line)
> CPU: L2 Cache: 1024K (64 bytes/line)
> CPU 3/3 -> Node 0
> CPU: Physical Processor ID: 1
> CPU: Processor Core ID: 1
> Dual-Core AMD Opteron(tm) Processor 2220 stepping 03
> Brought up 4 CPUs
> migration_cost=476
> NET: Registered protocol family 16
> ACPI: bus type pci registered
> PCI: Using MMCONFIG at fa000000 - fa8fffff
> PCI: No mmconfig possible on device 00:18
> PCI: No mmconfig possible on device 00:19
> ACPI: Interpreter enabled
> ACPI: (supports S0 S5)
> ACPI: Using IOAPIC for interrupt routing
> ACPI: PCI Root Bridge [PCI0] (0000:00)
> PCI: Probing PCI hardware (bus 00)
> ACPI: PCI Interrupt Routing Table [\_SB_.PCI0._PRT]
> ACPI: PCI Interrupt Routing Table [\_SB_.PCI0.PCIA.PCIB._PRT]
> ACPI: PCI Interrupt Routing Table [\_SB_.PCI0.PCIC._PRT]
> ACPI: PCI Interrupt Routing Table [\_SB_.PCI0.PCIE._PRT]
> ACPI: PCI Interrupt Routing Table [\_SB_.PCI0.PCIF._PRT]
> ACPI: PCI Interrupt Routing Table [\_SB_.PCI0.PCIG._PRT]
> ACPI: PCI Interrupt Routing Table [\_SB_.PCI0.PCIH._PRT]
> ACPI: PCI Interrupt Link [LPAC] (IRQs *9)
> ACPI: PCI Interrupt Link [LPUS] (IRQs *4)
> ACPI: Blank IRQ resource
> ACPI: Resource is not an IRQ entry
> ACPI: PCI Interrupt Link [LPID] (IRQs) *0, disabled.
> ACPI: Blank IRQ resource
> ACPI: Resource is not an IRQ entry
> ACPI: PCI Interrupt Link [LPSA] (IRQs) *0, disabled.
> ACPI: Blank IRQ resource
> ACPI: Resource is not an IRQ entry
> ACPI: PCI Interrupt Link [LPSM] (IRQs) *0, disabled.
> ACPI: PCI Interrupt Link [LP00] (IRQs *10)
> ACPI: PCI Interrupt Link [LP01] (IRQs *5)
> ACPI: PCI Interrupt Link [LP02] (IRQs *7)
> ACPI: PCI Interrupt Link [LP03] (IRQs *9)
> ACPI: Blank IRQ resource
> ACPI: Resource is not an IRQ entry
> ACPI: PCI Interrupt Link [LP04] (IRQs) *0, disabled.
> ACPI: Blank IRQ resource
> ACPI: Resource is not an IRQ entry
> ACPI: PCI Interrupt Link [LP05] (IRQs) *0, disabled.
> ACPI: Blank IRQ resource
> ACPI: Resource is not an IRQ entry
> ACPI: PCI Interrupt Link [LP06] (IRQs) *0, disabled.
> ACPI: Blank IRQ resource
> ACPI: Resource is not an IRQ entry
> ACPI: PCI Interrupt Link [LP07] (IRQs) *0, disabled.
> ACPI: Blank IRQ resource
> ACPI: Resource is not an IRQ entry
> ACPI: PCI Interrupt Link [LP08] (IRQs) *0, disabled.
> ACPI: Blank IRQ resource
> ACPI: Resource is not an IRQ entry
> ACPI: PCI Interrupt Link [LP09] (IRQs) *0, disabled.
> ACPI: Blank IRQ resource
> ACPI: Resource is not an IRQ entry
> ACPI: PCI Interrupt Link [LP0A] (IRQs) *0, disabled.
> ACPI: Blank IRQ resource
> ACPI: Resource is not an IRQ entry
> ACPI: PCI Interrupt Link [LP0B] (IRQs) *0, disabled.
> ACPI: Blank IRQ resource
> ACPI: Resource is not an IRQ entry
> ACPI: PCI Interrupt Link [LP0C] (IRQs) *0, disabled.
> ACPI: Blank IRQ resource
> ACPI: Resource is not an IRQ entry
> ACPI: PCI Interrupt Link [LP0D] (IRQs) *0, disabled.
> ACPI: Blank IRQ resource
> ACPI: Resource is not an IRQ entry
> ACPI: PCI Interrupt Link [LP0E] (IRQs) *0, disabled.
> ACPI: Blank IRQ resource
> ACPI: Resource is not an IRQ entry
> ACPI: PCI Interrupt Link [LP0F] (IRQs) *0, disabled.
> Linux Plug and Play Support v0.97 (c) Adam Belay
> pnp: PnP ACPI init
> ACPI: bus type pnp registered
> pnp: PnP ACPI: found 11 devices
> ACPI: ACPI bus type pnp unregistered
> SCSI subsystem initialized
> libata version 2.21 loaded.
> usbcore: registered new interface driver usbfs
> usbcore: registered new interface driver hub
> usbcore: registered new device driver usb
> PCI: Using ACPI for IRQ routing
> PCI: If a device doesn't work, try "pci=routeirq".  If it helps, post a report
> PCI-DMA: Disabling AGP.
> PCI-DMA: aperture base @ f4000000 size 65536 KB
> PCI-DMA: using GART IOMMU.
> PCI-DMA: Reserving 64MB of IOMMU area in the AGP aperture
> hpet0: at MMIO 0xfed00000, IRQs 2, 8, 0
> hpet0: 3 64-bit timers, 14318180 Hz
> pnp: 00:01: ioport range 0x510-0x517 has been reserved
> pnp: 00:01: ioport range 0x504-0x507 has been reserved
> pnp: 00:01: ioport range 0x500-0x503 has been reserved
> pnp: 00:01: ioport range 0x520-0x53f has been reserved
> Time: hpet clocksource has been installed.
> pnp: 00:01: ioport range 0x540-0x547 has been reserved
> pnp: 00:01: ioport range 0x460-0x461 has been reserved
> pnp: 00:09: iomem range 0xf4000000-0xfbffffff could not be reserved
> pnp: 00:09: iomem range 0xfec00000-0xffffffff could not be reserved
> PCI: Bridge: 0000:01:0d.0
>   IO window: disabled.
>   MEM window: e2000000-e6ffffff
>   PREFETCH window: disabled.
> PCI: Bridge: 0000:00:01.0
>   IO window: disabled.
>   MEM window: e2000000-e7ffffff
>   PREFETCH window: disabled.
> PCI: Bridge: 0000:00:06.0
>   IO window: 4000-4fff
>   MEM window: df000000-e00fffff
>   PREFETCH window: d4000000-d40fffff
> PCI: Bridge: 0000:00:07.0
>   IO window: disabled.
>   MEM window: dd000000-ddffffff
>   PREFETCH window: disabled.
> PCI: Bridge: 0000:00:08.0
>   IO window: disabled.
>   MEM window: dc000000-dcffffff
>   PREFETCH window: disabled.
> PCI: Bridge: 0000:00:09.0
>   IO window: disabled.
>   MEM window: db000000-dbffffff
>   PREFETCH window: disabled.
> PCI: Bridge: 0000:00:0a.0
>   IO window: disabled.
>   MEM window: da000000-daffffff
>   PREFETCH window: disabled.
> PCI: Bridge: 0000:00:0b.0
>   IO window: disabled.
>   MEM window: d9000000-d9ffffff
>   PREFETCH window: disabled.
> PCI: Setting latency timer of device 0000:00:08.0 to 64
> PCI: Setting latency timer of device 0000:00:09.0 to 64
> PCI: Setting latency timer of device 0000:00:0a.0 to 64
> PCI: Setting latency timer of device 0000:00:0b.0 to 64
> NET: Registered protocol family 2
> IP route cache hash table entries: 131072 (order: 8, 1048576 bytes)
> TCP established hash table entries: 524288 (order: 11, 12582912 bytes)
> TCP bind hash table entries: 65536 (order: 8, 1048576 bytes)
> TCP: Hash tables configured (established 524288 bind 65536)
> TCP reno registered
> Total HugeTLB memory allocated, 0
> Installing knfsd (copyright (C) 1996 okir-pn4DOG8n3UYbFoVRYvo4fw@public.gmane.org).
> fuse init (API version 7.8)
> io scheduler noop registered
> io scheduler deadline registered
> io scheduler cfq registered (default)
> Boot video device is 0000:00:05.0
> PCI: Found enabled HT MSI Mapping on 0000:00:08.0
> PCI: Found enabled HT MSI Mapping on 0000:00:09.0
> PCI: Found enabled HT MSI Mapping on 0000:00:0a.0
> PCI: Found enabled HT MSI Mapping on 0000:00:0b.0
> PCI: MSI quirk detected. MSI deactivated.
> PCI: Setting latency timer of device 0000:00:08.0 to 64
> Allocate Port Service[0000:00:08.0:pcie01]
> PCI: Setting latency timer of device 0000:00:09.0 to 64
> Allocate Port Service[0000:00:09.0:pcie01]
> PCI: Setting latency timer of device 0000:00:0a.0 to 64
> Allocate Port Service[0000:00:0a.0:pcie01]
> PCI: Setting latency timer of device 0000:00:0b.0 to 64
> Allocate Port Service[0000:00:0b.0:pcie01]
> Evaluate _OSC Set fails. Status = 0x0005
> Evaluate _OSC Set fails. Status = 0x0005
> aer_init: AER service init fails - Run ACPI _OSC fails
> aer: probe of 0000:00:08.0:pcie01 failed with error 2
> Evaluate _OSC Set fails. Status = 0x0005
> Evaluate _OSC Set fails. Status = 0x0005
> aer_init: AER service init fails - Run ACPI _OSC fails
> aer: probe of 0000:00:09.0:pcie01 failed with error 2
> Evaluate _OSC Set fails. Status = 0x0005
> Evaluate _OSC Set fails. Status = 0x0005
> aer_init: AER service init fails - Run ACPI _OSC fails
> aer: probe of 0000:00:0a.0:pcie01 failed with error 2
> Evaluate _OSC Set fails. Status = 0x0005
> Evaluate _OSC Set fails. Status = 0x0005
> aer_init: AER service init fails - Run ACPI _OSC fails
> aer: probe of 0000:00:0b.0:pcie01 failed with error 2
> input: Power Button (FF) as /class/input/input0
> ACPI: Power Button (FF) [PWRF]
> ACPI: Processor [CPU0] (supports 8 throttling states)
> ACPI: Processor [CPU1] (supports 8 throttling states)
> ACPI: Processor [CPU2] (supports 8 throttling states)
> ACPI: Processor [CPU3] (supports 8 throttling states)
> Real Time Clock Driver v1.12ac
> hpet_resources: 0xfed00000 is busy
> Linux agpgart interface v0.102 (c) Dave Jones
> Serial: 8250/16550 driver $Revision: 1.90 $ 4 ports, IRQ sharing disabled
> 00:02: ttyS0 at I/O 0x2e8 (irq = 3) is a 16550A
> Floppy drive(s): fd0 is 1.44M
> floppy0: no floppy controllers found
> RAMDISK driver initialized: 16 RAM disks of 4096K size 1024 blocksize
> loop: module loaded
> nbd: registered device at major 43
> Intel(R) PRO/1000 Network Driver - version 7.3.20-k2
> Copyright (c) 1999-2006 Intel Corporation.
> e100: Intel(R) PRO/100 Network Driver, 3.5.17-k4-NAPI
> e100: Copyright(c) 1999-2006 Intel Corporation
> Broadcom NetXtreme II Gigabit Ethernet Driver bnx2 v1.5.11 (June 4, 2007)
> ACPI: PCI Interrupt 0000:02:04.0[A] -> GSI 17 (level, low) -> IRQ 17
> eth0: Broadcom NetXtreme II BCM5706 1000Base-SX (A2) PCI-X 64-bit 133MHz found at mem e2000000, IRQ 17, node addr 00145e6d92d0
> ACPI: PCI Interrupt 0000:02:05.0[A] -> GSI 18 (level, low) -> IRQ 18
> eth1: Broadcom NetXtreme II BCM5706 1000Base-SX (A2) PCI-X 64-bit 133MHz found at mem e4000000, IRQ 18, node addr 00145eb38f70
> forcedeth.c: Reverse Engineered nForce ethernet driver. Version 0.60.
> tun: Universal TUN/TAP device driver, 1.6
> tun: (C) 1999-2004 Max Krasnyansky <maxk-zC7DfRvBq/JWk0Htik3J/w@public.gmane.org>
> netconsole: not configured, aborting
> Uniform Multi-Platform E-IDE driver Revision: 7.00alpha2
> ide: Assuming 33MHz system bus speed for PIO modes; override with idebus=xx
> Probing IDE interface ide0...
> Probing IDE interface ide1...
> megaraid cmm: 2.20.2.7 (Release Date: Sun Jul 16 00:01:03 EST 2006)
> megaraid: 2.20.5.1 (Release Date: Thu Nov 16 15:32:35 EST 2006)
> megasas: 00.00.03.10-rc5 Thu May 17 10:09:32 PDT 2007
> Fusion MPT base driver 3.04.04
> Copyright (c) 1999-2007 LSI Logic Corporation
> Fusion MPT SPI Host driver 3.04.04
> Fusion MPT SAS Host driver 3.04.04
> ACPI: PCI Interrupt 0000:03:04.0[A] -> GSI 19 (level, low) -> IRQ 19
> mptbase: Initiating ioc0 bringup
> ioc0: SAS1064: Capabilities={Initiator}
> scsi0 : ioc0: LSISAS1064, FwRev=000a0f00h, Ports=1, MaxQ=511, IRQ=19
> scsi 0:0:0:0: Direct-Access     IBM-ESXS MAY2073RC        T107 PQ: 0 ANSI: 5
> sd 0:0:0:0: [sda] 143374000 512-byte hardware sectors (73407 MB)
> sd 0:0:0:0: [sda] Write Protect is off
> sd 0:0:0:0: [sda] Mode Sense: d7 00 00 08
> sd 0:0:0:0: [sda] Write cache: disabled, read cache: enabled, doesn't support DPO or FUA
> sd 0:0:0:0: [sda] 143374000 512-byte hardware sectors (73407 MB)
> sd 0:0:0:0: [sda] Write Protect is off
> sd 0:0:0:0: [sda] Mode Sense: d7 00 00 08
> sd 0:0:0:0: [sda] Write cache: disabled, read cache: enabled, doesn't support DPO or FUA
>  sda: sda1 sda2 sda3 sda4
> sd 0:0:0:0: [sda] Attached SCSI disk
> sd 0:0:0:0: Attached scsi generic sg0 type 0
> ieee1394: raw1394: /dev/raw1394 device initialized
> ACPI: PCI Interrupt Link [LPUS] enabled at IRQ 4
> ACPI: PCI Interrupt 0000:00:03.2[A] -> Link [LPUS] -> GSI 4 (level, low) -> IRQ 4
> ehci_hcd 0000:00:03.2: EHCI Host Controller
> ehci_hcd 0000:00:03.2: new USB bus registered, assigned bus number 1
> ehci_hcd 0000:00:03.2: irq 4, io mem 0xf3ffd000
> ehci_hcd 0000:00:03.2: USB 2.0 started, EHCI 1.00, driver 10 Dec 2004
> usb usb1: configuration #1 chosen from 1 choice
> hub 1-0:1.0: USB hub found
> hub 1-0:1.0: 4 ports detected
> ohci_hcd: 2006 August 04 USB 1.1 'Open' Host Controller (OHCI) Driver
> ACPI: PCI Interrupt 0000:00:03.0[A] -> Link [LPUS] -> GSI 4 (level, low) -> IRQ 4
> ohci_hcd 0000:00:03.0: OHCI Host Controller
> ohci_hcd 0000:00:03.0: new USB bus registered, assigned bus number 2
> ohci_hcd 0000:00:03.0: irq 4, io mem 0xf3fff000
> usb usb2: configuration #1 chosen from 1 choice
> hub 2-0:1.0: USB hub found
> hub 2-0:1.0: 2 ports detected
> ACPI: PCI Interrupt 0000:00:03.1[A] -> Link [LPUS] -> GSI 4 (level, low) -> IRQ 4
> ohci_hcd 0000:00:03.1: OHCI Host Controller
> ohci_hcd 0000:00:03.1: new USB bus registered, assigned bus number 3
> ohci_hcd 0000:00:03.1: irq 4, io mem 0xf3ffe000
> usb usb3: configuration #1 chosen from 1 choice
> hub 3-0:1.0: USB hub found
> hub 3-0:1.0: 2 ports detected
> USB Universal Host Controller Interface driver v3.0
> usb 1-4: new high speed USB device using ehci_hcd and address 3
> usb 1-4: configuration #1 chosen from 1 choice
> hub 1-4:1.0: USB hub found
> hub 1-4:1.0: 2 ports detected
> usb 2-2: new full speed USB device using ohci_hcd and address 2
> usb 2-2: configuration #1 chosen from 1 choice
> hub 2-2:1.0: USB hub found
> hub 2-2:1.0: 4 ports detected
> usb 2-2.1: new full speed USB device using ohci_hcd and address 3
> usb 2-2.1: configuration #1 chosen from 1 choice
> usb 2-2.3: new full speed USB device using ohci_hcd and address 4
> usb 2-2.3: configuration #1 chosen from 1 choice
> usbcore: registered new interface driver usblp
> drivers/usb/class/usblp.c: v0.13: USB Printer Device Class driver
> Initializing USB Mass Storage driver...
> usbcore: registered new interface driver usb-storage
> USB Mass Storage support registered.
> PNP: No PS/2 controller found. Probing ports directly.
> serio: i8042 KBD port at 0x60,0x64 irq 1
> serio: i8042 AUX port at 0x60,0x64 irq 12
> mice: PS/2 mouse device common for all mice
> device-mapper: ioctl: 4.11.0-ioctl (2006-10-12) initialised: dm-devel-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org
> input: IBM PPC I/F as /class/input/input1
> input: USB HID v1.10 Keyboard [IBM PPC I/F] on usb-0000:00:03.0-2.1
> input: IBM PPC I/F as /class/input/input2
> input: USB HID v1.10 Mouse [IBM PPC I/F] on usb-0000:00:03.0-2.1
> input: IBM HIDK/M as /class/input/input3
> input: USB HID v1.10 Keyboard [IBM HIDK/M] on usb-0000:00:03.0-2.3
> input: IBM HIDK/M as /class/input/input4
> input: USB HID v1.10 Mouse [IBM HIDK/M] on usb-0000:00:03.0-2.3
> usbcore: registered new interface driver usbhid
> drivers/hid/usbhid/hid-core.c: v2.6:USB HID core driver
> oprofile: using NMI interrupt.
> TCP cubic registered
> NET: Registered protocol family 1
> NET: Registered protocol family 10
> IPv6 over IPv4 tunneling driver
> NET: Registered protocol family 17
> powernow-k8: Found 4 Dual-Core AMD Opteron(tm) Processor 2220 processors (version 2.00.00)
> powernow-k8: MP systems not supported by PSB BIOS structure
> powernow-k8: MP systems not supported by PSB BIOS structure
> powernow-k8: MP systems not supported by PSB BIOS structure
> powernow-k8: MP systems not supported by PSB BIOS structure
> kjournald starting.  Commit interval 5 seconds
> EXT3-fs: mounted filesystem with ordered data mode.
> VFS: Mounted root (ext3 filesystem) readonly.
> Freeing unused kernel memory: 312k freed
> nbd0: Attempted send on closed socket
> end_request: I/O error, dev nbd0, sector 0
> Buffer I/O error on device nbd0, logical block 0
> Buffer I/O error on device nbd0, logical block 1
> Buffer I/O error on device nbd0, logical block 2
> Buffer I/O error on device nbd0, logical block 3
> nbd0: Attempted send on closed socket
> end_request: I/O error, dev nbd0, sector 0
> Buffer I/O error on device nbd0, logical block 0
> nbd0: Attempted send on closed socket
> end_request: I/O error, dev nbd0, sector 4294965120
> nbd0: Attempted send on closed socket
> end_request: I/O error, dev nbd0, sector 0
> nbd1: Attempted send on closed socket
> end_request: I/O error, dev nbd1, sector 4294965120
> nbd1: Attempted send on closed socket
> end_request: I/O error, dev nbd1, sector 0
> nbd2: Attempted send on closed socket
> end_request: I/O error, dev nbd2, sector 4294965120
> nbd2: Attempted send on closed socket
> end_request: I/O error, dev nbd2, sector 0
> nbd3: Attempted send on closed socket
> end_request: I/O error, dev nbd3, sector 4294965120
> nbd3: Attempted send on closed socket
> end_request: I/O error, dev nbd3, sector 0
> nbd4: Attempted send on closed socket
> end_request: I/O error, dev nbd4, sector 4294965120
> nbd4: Attempted send on closed socket
> end_request: I/O error, dev nbd4, sector 0
> nbd5: Attempted send on closed socket
> end_request: I/O error, dev nbd5, sector 4294965120
> nbd5: Attempted send on closed socket
> end_request: I/O error, dev nbd5, sector 0
> nbd6: Attempted send on closed socket
> end_request: I/O error, dev nbd6, sector 4294965120
> nbd6: Attempted send on closed socket
> end_request: I/O error, dev nbd6, sector 0
> nbd7: Attempted send on closed socket
> end_request: I/O error, dev nbd7, sector 4294965120
> nbd7: Attempted send on closed socket
> end_request: I/O error, dev nbd7, sector 0
> nbd8: Attempted send on closed socket
> end_request: I/O error, dev nbd8, sector 4294965120
> nbd8: Attempted send on closed socket
> end_request: I/O error, dev nbd8, sector 0
> nbd9: Attempted send on closed socket
> end_request: I/O error, dev nbd9, sector 4294965120
> nbd9: Attempted send on closed socket
> end_request: I/O error, dev nbd9, sector 0
> nbd10: Attempted send on closed socket
> end_request: I/O error, dev nbd10, sector 4294965120
> nbd10: Attempted send on closed socket
> end_request: I/O error, dev nbd10, sector 0
> nbd11: Attempted send on closed socket
> end_request: I/O error, dev nbd11, sector 4294965120
> nbd11: Attempted send on closed socket
> end_request: I/O error, dev nbd11, sector 0
> nbd12: Attempted send on closed socket
> end_request: I/O error, dev nbd12, sector 4294965120
> nbd12: Attempted send on closed socket
> end_request: I/O error, dev nbd12, sector 0
> nbd13: Attempted send on closed socket
> end_request: I/O error, dev nbd13, sector 4294965120
> nbd13: Attempted send on closed socket
> end_request: I/O error, dev nbd13, sector 0
> nbd14: Attempted send on closed socket
> end_request: I/O error, dev nbd14, sector 4294965120
> nbd14: Attempted send on closed socket
> end_request: I/O error, dev nbd14, sector 0
> nbd15: Attempted send on closed socket
> end_request: I/O error, dev nbd15, sector 4294965120
> nbd15: Attempted send on closed socket
> end_request: I/O error, dev nbd15, sector 0
> nbd0: Attempted send on closed socket
> end_request: I/O error, dev nbd0, sector 0
> nbd1: Attempted send on closed socket
> end_request: I/O error, dev nbd1, sector 0
> nbd2: Attempted send on closed socket
> end_request: I/O error, dev nbd2, sector 0
> nbd3: Attempted send on closed socket
> end_request: I/O error, dev nbd3, sector 0
> nbd4: Attempted send on closed socket
> end_request: I/O error, dev nbd4, sector 0
> nbd5: Attempted send on closed socket
> end_request: I/O error, dev nbd5, sector 0
> nbd6: Attempted send on closed socket
> end_request: I/O error, dev nbd6, sector 0
> nbd7: Attempted send on closed socket
> end_request: I/O error, dev nbd7, sector 0
> nbd8: Attempted send on closed socket
> end_request: I/O error, dev nbd8, sector 0
> nbd9: Attempted send on closed socket
> end_request: I/O error, dev nbd9, sector 0
> nbd10: Attempted send on closed socket
> end_request: I/O error, dev nbd10, sector 0
> nbd11: Attempted send on closed socket
> end_request: I/O error, dev nbd11, sector 0
> nbd12: Attempted send on closed socket
> end_request: I/O error, dev nbd12, sector 0
> nbd13: Attempted send on closed socket
> end_request: I/O error, dev nbd13, sector 0
> nbd14: Attempted send on closed socket
> end_request: I/O error, dev nbd14, sector 0
> nbd15: Attempted send on closed socket
> end_request: I/O error, dev nbd15, sector 0
> Adding 7815612k swap on /dev/disk/by-uuid/b70fa511-1f78-4697-98d5-380d5eb6561c.  Priority:-1 extents:1 across:7815612k
> EXT3 FS on sda1, internal journal
> nbd0: Attempted send on closed socket
> end_request: I/O error, dev nbd0, sector 0
> Buffer I/O error on device nbd0, logical block 0
> Buffer I/O error on device nbd0, logical block 1
> Buffer I/O error on device nbd0, logical block 2
> Buffer I/O error on device nbd0, logical block 3
> nbd0: Attempted send on closed socket
> end_request: I/O error, dev nbd0, sector 0
> Buffer I/O error on device nbd0, logical block 0
> nbd0: Attempted send on closed socket
> end_request: I/O error, dev nbd0, sector 4294965120
> nbd0: Attempted send on closed socket
> end_request: I/O error, dev nbd0, sector 0
> nbd1: Attempted send on closed socket
> end_request: I/O error, dev nbd1, sector 4294965120
> nbd1: Attempted send on closed socket
> end_request: I/O error, dev nbd1, sector 0
> nbd2: Attempted send on closed socket
> end_request: I/O error, dev nbd2, sector 4294965120
> nbd2: Attempted send on closed socket
> end_request: I/O error, dev nbd2, sector 0
> nbd3: Attempted send on closed socket
> end_request: I/O error, dev nbd3, sector 4294965120
> nbd3: Attempted send on closed socket
> end_request: I/O error, dev nbd3, sector 0
> nbd4: Attempted send on closed socket
> end_request: I/O error, dev nbd4, sector 4294965120
> nbd4: Attempted send on closed socket
> end_request: I/O error, dev nbd4, sector 0
> nbd5: Attempted send on closed socket
> end_request: I/O error, dev nbd5, sector 4294965120
> nbd5: Attempted send on closed socket
> end_request: I/O error, dev nbd5, sector 0
> nbd6: Attempted send on closed socket
> end_request: I/O error, dev nbd6, sector 4294965120
> nbd6: Attempted send on closed socket
> end_request: I/O error, dev nbd6, sector 0
> nbd7: Attempted send on closed socket
> end_request: I/O error, dev nbd7, sector 4294965120
> nbd7: Attempted send on closed socket
> end_request: I/O error, dev nbd7, sector 0
> nbd8: Attempted send on closed socket
> end_request: I/O error, dev nbd8, sector 4294965120
> nbd8: Attempted send on closed socket
> end_request: I/O error, dev nbd8, sector 0
> nbd9: Attempted send on closed socket
> end_request: I/O error, dev nbd9, sector 4294965120
> nbd9: Attempted send on closed socket
> end_request: I/O error, dev nbd9, sector 0
> nbd10: Attempted send on closed socket
> end_request: I/O error, dev nbd10, sector 4294965120
> nbd10: Attempted send on closed socket
> end_request: I/O error, dev nbd10, sector 0
> nbd11: Attempted send on closed socket
> end_request: I/O error, dev nbd11, sector 4294965120
> nbd11: Attempted send on closed socket
> end_request: I/O error, dev nbd11, sector 0
> nbd12: Attempted send on closed socket
> end_request: I/O error, dev nbd12, sector 4294965120
> nbd12: Attempted send on closed socket
> end_request: I/O error, dev nbd12, sector 0
> nbd13: Attempted send on closed socket
> end_request: I/O error, dev nbd13, sector 4294965120
> nbd13: Attempted send on closed socket
> end_request: I/O error, dev nbd13, sector 0
> nbd14: Attempted send on closed socket
> end_request: I/O error, dev nbd14, sector 4294965120
> nbd14: Attempted send on closed socket
> end_request: I/O error, dev nbd14, sector 0
> nbd15: Attempted send on closed socket
> end_request: I/O error, dev nbd15, sector 4294965120
> nbd15: Attempted send on closed socket
> end_request: I/O error, dev nbd15, sector 0
> nbd0: Attempted send on closed socket
> end_request: I/O error, dev nbd0, sector 0
> nbd1: Attempted send on closed socket
> end_request: I/O error, dev nbd1, sector 0
> nbd2: Attempted send on closed socket
> end_request: I/O error, dev nbd2, sector 0
> nbd3: Attempted send on closed socket
> end_request: I/O error, dev nbd3, sector 0
> nbd4: Attempted send on closed socket
> end_request: I/O error, dev nbd4, sector 0
> nbd5: Attempted send on closed socket
> end_request: I/O error, dev nbd5, sector 0
> nbd6: Attempted send on closed socket
> end_request: I/O error, dev nbd6, sector 0
> nbd7: Attempted send on closed socket
> end_request: I/O error, dev nbd7, sector 0
> nbd8: Attempted send on closed socket
> end_request: I/O error, dev nbd8, sector 0
> nbd9: Attempted send on closed socket
> end_request: I/O error, dev nbd9, sector 0
> nbd10: Attempted send on closed socket
> end_request: I/O error, dev nbd10, sector 0
> nbd11: Attempted send on closed socket
> end_request: I/O error, dev nbd11, sector 0
> nbd12: Attempted send on closed socket
> end_request: I/O error, dev nbd12, sector 0
> nbd13: Attempted send on closed socket
> end_request: I/O error, dev nbd13, sector 0
> nbd14: Attempted send on closed socket
> end_request: I/O error, dev nbd14, sector 0
> nbd15: Attempted send on closed socket
> end_request: I/O error, dev nbd15, sector 0
> device eth1 entered promiscuous mode
> ADDRCONF(NETDEV_UP): eth1: link is not ready
> bnx2: eth1 NIC Link is Up, 1000 Mbps full duplex
> ADDRCONF(NETDEV_CHANGE): eth1: link becomes ready
> vlan0: port 1(eth1) entering learning state
> vlan0: topology change detected, propagating
> vlan0: port 1(eth1) entering forwarding state
> vlan0: no IPv6 routers present
> eth1: no IPv6 routers present
> device tap0 entered promiscuous mode
> vlan0: port 2(tap0) entering learning state
> kvm: emulating exchange as write
> kvm: 3274: cpu0 unhandled wrmsr: 0xc0010004
> kvm: 3274: cpu0 unhandled wrmsr: 0xc0010000
> kvm: 3274: cpu0 unhandled wrmsr: 0xc0010004
> kvm: 3274: cpu0 unhandled wrmsr: 0xc0010000
> vlan0: topology change detected, propagating
> vlan0: port 2(tap0) entering forwarding state
> tap0: no IPv6 routers present
> ------------[ cut here ]------------
> kernel BUG at /opt/tickless/kvm-43/kernel/mmu.c:436!
> invalid opcode: 0000 [1] SMP 
> CPU 0 
> Modules linked in: kvm_amd kvm
> Pid: 3274, comm: qemu-system-x86 Not tainted 2.6.22 #5
> RIP: 0010:[<ffffffff88007ff8>]  [<ffffffff88007ff8>] :kvm:kvm_mmu_get_page+0x2d5/0x321
> RSP: 0018:ffff810126f01858  EFLAGS: 00010293
> RAX: 000000000011a338 RBX: 0000000000000000 RCX: ffff81012a564080
> RDX: 000ffffffffff000 RSI: 000000000000c3b9 RDI: 000000000011a338
> RBP: ffff8100bf57c638 R08: 0000000000000000 R09: 0000000000000004
> R10: 0000000000000000 R11: ffffffff8801971c R12: ffff810103c1c0f0
> R13: ffff81012fb3b440 R14: ffff810105fe8000 R15: 000000000000c3b9
> FS:  0000000000000000(0000) GS:ffffffff8073b000(0000) knlGS:0000000000000000
> CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
> CR2: 00000000006b9540 CR3: 00000001276d6000 CR4: 00000000000006e0
> Process qemu-system-x86 (pid: 3274, threadinfo ffff810126f00000, task ffff81012717c6b0)
> Stack:  0000000000000004 0000000000000002 ffff8100c02ccff0 ffff810105fe8000
>  0000000000000015 00000000ffc487c3 0000000000000000 ffffffff880084cb
>  ffff8100c02ccff0 0000000000000000 ffff81012713c340 ffff810001025880
> Call Trace:
>  [<ffffffff880084cb>] :kvm:paging64_page_fault+0x18f/0x27a
>  [<ffffffff8800a4d4>] :kvm:x86_emulate_insn+0x1bcb/0x2eb0
>  [<ffffffff88018cf3>] :kvm_amd:svm_vcpu_load+0x0/0x56
>  [<ffffffff88019797>] :kvm_amd:pf_interception+0x7b/0x100
>  [<ffffffff880041d8>] :kvm:kvm_vcpu_ioctl_run+0x292/0x3a3
>  [<ffffffff880043f6>] :kvm:kvm_vcpu_ioctl+0x10d/0xd7f
>  [<ffffffff8021e487>] gart_map_single+0x2c/0x6f
>  [<ffffffff803ea947>] bnx2_start_xmit+0x27f/0x500
>  [<ffffffff80288260>] do_select+0x449/0x466
>  [<ffffffff80288769>] __pollwait+0x0/0xe1
>  [<ffffffff804ea3a6>] ip_queue_xmit+0x2f1/0x344
>  [<ffffffff804f8cd9>] tcp_send_ack+0x23/0x102
>  [<ffffffff804f8bac>] tcp_transmit_skb+0x6a1/0x6de
>  [<ffffffff804cc8b2>] __alloc_skb+0x84/0x13c
>  [<ffffffff80553f0f>] _spin_lock_bh+0x9/0x19
>  [<ffffffff804c8c05>] release_sock+0x13/0x9b
>  [<ffffffff804f0cfc>] tcp_recvmsg+0x6bb/0x7ce
>  [<ffffffff804c8562>] sock_common_recvmsg+0x30/0x45
>  [<ffffffff804cdc38>] memcpy_toiovec+0x36/0x66
>  [<ffffffff802765e2>] add_partial+0x12/0x3f
>  [<ffffffff80277331>] __slab_free+0x74/0x2d4
>  [<ffffffff80242837>] remove_wait_queue+0x12/0x45
>  [<ffffffff803fa70c>] tun_chr_aio_read+0x2a9/0x2bb
>  [<ffffffff802884b1>] core_sys_select+0x234/0x265
>  [<ffffffff8024468e>] enqueue_hrtimer+0x64/0x6b
>  [<ffffffff80244bf4>] hrtimer_start+0xf2/0x104
>  [<ffffffff80239ead>] __dequeue_signal+0x19/0x15a
>  [<ffffffff80239953>] recalc_sigpending+0xe/0x25
>  [<ffffffff8023b477>] dequeue_signal+0xa5/0x126
>  [<ffffffff8028722f>] do_ioctl+0x2b/0xb6
>  [<ffffffff802874fd>] vfs_ioctl+0x243/0x25c
>  [<ffffffff80245c27>] getnstimeofday+0x32/0x8b
>  [<ffffffff80287552>] sys_ioctl+0x3c/0x5e
>  [<ffffffff802092de>] system_call+0x7e/0x83
>
>
> Code: 0f 0b eb fe 48 8b 45 00 a8 01 75 04 0f 0b eb fe a8 02 75 04 
> RIP  [<ffffffff88007ff8>] :kvm:kvm_mmu_get_page+0x2d5/0x321
>  RSP <ffff810126f01858>
>   
> ------------------------------------------------------------------------
>
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