3.3.0-rc2+: oops went mounting via cifs

3.3.0-rc2+: oops went mounting via cifs

[Chris Clayton]

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Hi.
I'm not subscribed, so please cc me on any replies.

I'm getting an oops when trying to mount a FAT32 partition hosted on
another machine on my home network. The kernel is built from a pull of
from kernel.org this morning. "git describe" gives
v3.3-rc2-37-gbd3ce7d.

The oops message is:

CIFS VFS: default security mechanism requested.  The default security
mechanism will be upgraded from ntlm to ntlmv2in kernel release 3.3
BUG: unable to handle kernel NULL pointer dereference at   (null)
IP: [<c116b146>] strnlen+0x6/0x20
*pdpt = 0000000033f0c001 *pde = 0000000000000000
Oops: 0000 [#1] PREEMPT SMP
Modules linked in: md4 cifs ipt_LOG xt_state iptable_filter
ipt_MASQUERADE iptable_nat nf_nat nf_conntrack_ipv4 nf_defrag_ipv4
nf_conntrack psmouse r8169 [last unloaded: microcode]

Pid: 811, comm: mount.cifs Not tainted 3.3.0-rc2+ #94 Hewlett-Packard
HP G61 Notebook PC/3069
EIP: 0060:[<c116b146>] EFLAGS: 00010207 CPU: 0
EIP is at strnlen+0x6/0x20
EAX: 00000000 EBX: f31149ac ECX: 00000000 EDX: 000000ff
ESI: f32a1df4 EDI: f31149b0 EBP: f1a63830 ESP: f32a1d88
 DS: 007b ES: 007b FS: 00d8 GS: 0033 SS: 0068
Process mount.cifs (pid: 811, ti=f32a0000 task=f1a78380 task.ti=f32a0000)
Stack:
 f943a9aa f3114900 9a734c2c 00000000 f1a63800 f943b64a f32a1df0 00000001
 c1047be2 00000000 00000001 00000000 00000001 c1087bf1 f1bfc380 c14d9a80
 00000000 00000007 00000001 f3da7a40 f45dc1c0 00000041 00000000 00000000
Call Trace:
 [<f943a9aa>] ? ascii_ssetup_strings.isra.7+0x3a/0xd0 [cifs]
 [<f943b64a>] ? CIFS_SessSetup+0xc0a/0x115c [cifs]
 [<c1047be2>] ? __wake_up+0x42/0x60
 [<c1087bf1>] ? mempool_free+0x41/0xa0
 [<f941937a>] ? CIFSSMBNegotiate+0x1ca/0x750 [cifs]
 [<f9426b3d>] ? cifs_setup_session+0x4d/0x1b0 [cifs]
 [<f9426ac1>] ? cifs_negotiate_protocol+0x71/0xa0 [cifs]
 [<f9426fb6>] ? cifs_get_smb_ses+0x316/0x4d0 [cifs]
 [<f94271f7>] ? cifs_mount+0x87/0x5a0 [cifs]
 [<f94175f6>] ? cifs_do_mount+0x66/0x460 [cifs]
 [<c1097150>] ? kstrndup+0x40/0x60
 [<f9417617>] ? cifs_do_mount+0x87/0x460 [cifs]
 [<c10b8c0d>] ? mount_fs+0x1d/0xd0
 [<c10ce616>] ? alloc_vfsmnt+0x96/0x130
 [<c10ce8d1>] ? vfs_kern_mount+0x51/0xd0
 [<c10cecef>] ? do_kern_mount+0x3f/0xe0
 [<c10d03d4>] ? do_mount+0x474/0x730
 [<c1020d90>] ? vmalloc_sync_all+0x10/0x10
 [<c10d07a2>] ? sys_mount+0x72/0xb0
 [<c13b57d0>] ? sysenter_do_call+0x12/0x26
Code: 26 00 00 00 00 85 c9 57 89 c7 74 07 89 d0 f2 ae 75 01 4f 89 f8
5f c3 8d b4 26 00 00 00 00 8d bc 27 00 00 00 0089 c1 89 c8 eb 06 <80>
38 00 74 07 40 4a 83 fa ff 75 f4 29 c8 c3 90 90 90 90 90 90
EIP: [<c116b146>] strnlen+0x6/0x20 SS:ESP 0068:f32a1d88
CR2: 0000000000000000
---[ end trace 9f3a2989281718b5 ]---

The full dmesg is attached, in case it helps.

Let me know if I can help in any way to fix this.

Chris

-- 
The more I see, the more I know. The more I know, the less I
understand. Changing Man - Paul Weller

[-- Attachment #2: cifs-3.3.0-rc2+.oops --]
[-- Type: application/octet-stream, Size: 36279 bytes --]

Initializing cgroup subsys cpu
Linux version 3.3.0-rc2+ (chris@laptop) (gcc version 4.6.3 20120127 (prerelease) (GCC) ) #94 SMP PREEMPT Thu Feb 2 13:30:28 GMT 2012
BIOS-provided physical RAM map:
 BIOS-e820: 0000000000000100 - 000000000009e000 (usable)
 BIOS-e820: 000000000009e000 - 00000000000a0000 (reserved)
 BIOS-e820: 00000000000e0000 - 0000000000100000 (reserved)
 BIOS-e820: 0000000000100000 - 00000000b9e61000 (usable)
 BIOS-e820: 00000000b9e61000 - 00000000b9ebf000 (reserved)
 BIOS-e820: 00000000b9ebf000 - 00000000b9f82000 (usable)
 BIOS-e820: 00000000b9f82000 - 00000000b9fbf000 (ACPI NVS)
 BIOS-e820: 00000000b9fbf000 - 00000000b9fe2000 (usable)
 BIOS-e820: 00000000b9fe2000 - 00000000b9ff7000 (ACPI data)
 BIOS-e820: 00000000b9ff7000 - 00000000ba000000 (usable)
 BIOS-e820: 00000000ba000000 - 00000000c0000000 (reserved)
 BIOS-e820: 00000000f8000000 - 00000000fc000000 (reserved)
 BIOS-e820: 00000000fec00000 - 00000000fec01000 (reserved)
 BIOS-e820: 00000000fed10000 - 00000000fed14000 (reserved)
 BIOS-e820: 00000000fed18000 - 00000000fed1a000 (reserved)
 BIOS-e820: 00000000fed1c000 - 00000000fed20000 (reserved)
 BIOS-e820: 00000000fee00000 - 00000000fee01000 (reserved)
 BIOS-e820: 00000000fff00000 - 0000000100000000 (reserved)
 BIOS-e820: 0000000100000000 - 0000000140000000 (usable)
NX (Execute Disable) protection: active
DMI 2.4 present.
DMI: Hewlett-Packard HP G61 Notebook PC/3069, BIOS F.14 09/22/2009
e820 update range: 0000000000000000 - 0000000000010000 (usable) ==> (reserved)
e820 remove range: 00000000000a0000 - 0000000000100000 (usable)
last_pfn = 0x140000 max_arch_pfn = 0x1000000
MTRR default type: uncachable
MTRR fixed ranges enabled:
  00000-9FFFF write-back
  A0000-BFFFF uncachable
  C0000-FFFFF write-protect
MTRR variable ranges enabled:
  0 base 000000000 mask F80000000 write-back
  1 base 080000000 mask FC0000000 write-back
  2 base 0FFF00000 mask FFFF00000 write-protect
  3 base 0BC000000 mask FFC000000 uncachable
  4 base 0BA000000 mask FFE000000 uncachable
  5 base 100000000 mask FC0000000 write-back
  6 base 0C0000000 mask FF0000000 write-combining
  7 disabled
x86 PAT enabled: cpu 0, old 0x7010600070106, new 0x7010600070106
initial memory mapped : 0 - 01a00000
Base memory trampoline at [c009a000] 9a000 size 16384
init_memory_mapping: 0000000000000000-0000000037bfe000
 0000000000 - 0000200000 page 4k
 0000200000 - 0037a00000 page 2M
 0037a00000 - 0037bfe000 page 4k
kernel direct mapping tables up to 37bfe000 @ 19fb000-1a00000
ACPI: RSDP 000fe020 00024 (v02 HPQOEM)
ACPI: XSDT b9ff6120 00064 (v01 HPQOEM SLIC-MPC 00000001      01000013)
ACPI: FACP b9ff5000 000F4 (v04 HPQOEM SLIC-MPC 00000001 MSFT 01000013)
ACPI: DSDT b9fe5000 0BA4E (v01 HPQOEM SLIC-MPC 00000001 MSFT 01000013)
ACPI: FACS b9f8f000 00040
ACPI: HPET b9ff4000 00038 (v01 HPQOEM SLIC-MPC 00000001 MSFT 01000013)
ACPI: APIC b9ff3000 0006C (v02 HPQOEM SLIC-MPC 00000001 MSFT 01000013)
ACPI: MCFG b9ff2000 0003C (v01 HPQOEM SLIC-MPC 00000001 MSFT 01000013)
ACPI: ASF! b9ff1000 000A5 (v32 HPQOEM SLIC-MPC 00000001 MSFT 01000013)
ACPI: SLIC b9fe4000 00176 (v01 HPQOEM SLIC-MPC 06040000  LTP 00000001)
ACPI: BOOT b9fe3000 00028 (v01 HPQOEM SLIC-MPC 00000001 MSFT 01000013)
ACPI: SSDT b9fe2000 00655 (v01  PmRef    CpuPm 00003000 INTL 20051117)
ACPI: Local APIC address 0xfee00000
4228MB HIGHMEM available.
891MB LOWMEM available.
  mapped low ram: 0 - 37bfe000
  low ram: 0 - 37bfe000
Zone PFN ranges:
  DMA      0x00000010 -> 0x00001000
  Normal   0x00001000 -> 0x00037bfe
  HighMem  0x00037bfe -> 0x00140000
Movable zone start PFN for each node
Early memory PFN ranges
    0: 0x00000010 -> 0x0000009e
    0: 0x00000100 -> 0x000b9e61
    0: 0x000b9ebf -> 0x000b9f82
    0: 0x000b9fbf -> 0x000b9fe2
    0: 0x000b9ff7 -> 0x000ba000
    0: 0x00100000 -> 0x00140000
On node 0 totalpages: 1023710
free_area_init_node: node 0, pgdat c14f3c00, node_mem_map f53fd200
  DMA zone: 32 pages used for memmap
  DMA zone: 0 pages reserved
  DMA zone: 3950 pages, LIFO batch:0
  Normal zone: 1752 pages used for memmap
  Normal zone: 222502 pages, LIFO batch:31
  HighMem zone: 8457 pages used for memmap
  HighMem zone: 787017 pages, LIFO batch:31
Using APIC driver default
ACPI: PM-Timer IO Port: 0x408
ACPI: Local APIC address 0xfee00000
ACPI: LAPIC (acpi_id[0x01] lapic_id[0x00] enabled)
ACPI: LAPIC (acpi_id[0x02] lapic_id[0x01] enabled)
ACPI: LAPIC (acpi_id[0x03] lapic_id[0x00] disabled)
ACPI: LAPIC (acpi_id[0x04] lapic_id[0x00] disabled)
ACPI: IOAPIC (id[0x04] address[0xfec00000] gsi_base[0])
IOAPIC[0]: apic_id 4, version 32, address 0xfec00000, GSI 0-23
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 high level)
ACPI: IRQ0 used by override.
ACPI: IRQ2 used by override.
ACPI: IRQ9 used by override.
Using ACPI (MADT) for SMP configuration information
ACPI: HPET id: 0x8086a201 base: 0xfed00000
4 Processors exceeds NR_CPUS limit of 2
SMP: Allowing 2 CPUs, 0 hotplug CPUs
nr_irqs_gsi: 40
PM: Registered nosave memory: 000000000009e000 - 00000000000a0000
PM: Registered nosave memory: 00000000000a0000 - 00000000000e0000
PM: Registered nosave memory: 00000000000e0000 - 0000000000100000
Allocating PCI resources starting at c0000000 (gap: c0000000:38000000)
setup_percpu: NR_CPUS:2 nr_cpumask_bits:2 nr_cpu_ids:2 nr_node_ids:1
PERCPU: Embedded 11 pages/cpu @f5000000 s24320 r0 d20736 u1048576
pcpu-alloc: s24320 r0 d20736 u1048576 alloc=1*2097152
pcpu-alloc: [0] 0 1 
Built 1 zonelists in Zone order, mobility grouping on.  Total pages: 1013469
Kernel command line: root=/dev/sda5 ro resume=/dev/sda6
PID hash table entries: 4096 (order: 2, 16384 bytes)
Dentry cache hash table entries: 131072 (order: 7, 524288 bytes)
Inode-cache hash table entries: 65536 (order: 6, 262144 bytes)
Initializing CPU#0
xsave/xrstor: enabled xstate_bv 0x3, cntxt size 0x240
Initializing HighMem for node 0 (00037bfe:00140000)
Memory: 4047128k/5242880k available (3802k kernel code, 47712k reserved, 1290k data, 344k init, 3181896k highmem)
virtual kernel memory layout:
    fixmap  : 0xfff8f000 - 0xfffff000   ( 448 kB)
    pkmap   : 0xffc00000 - 0xffe00000   (2048 kB)
    vmalloc : 0xf83fe000 - 0xffbfe000   ( 120 MB)
    lowmem  : 0xc0000000 - 0xf7bfe000   ( 891 MB)
      .init : 0xc14fa000 - 0xc1550000   ( 344 kB)
      .data : 0xc13b6818 - 0xc14f9340   (1290 kB)
      .text : 0xc1000000 - 0xc13b6818   (3802 kB)
Checking if this processor honours the WP bit even in supervisor mode...Ok.
SLUB: Genslabs=15, HWalign=64, Order=0-3, MinObjects=0, CPUs=2, Nodes=1
Preemptible hierarchical RCU implementation.
	Verbose stalled-CPUs detection is disabled.
NR_IRQS:2304 nr_irqs:512 16
CPU 0 irqstacks, hard=f4c08000 soft=f4c0a000
Console: colour VGA+ 80x25
console [tty0] enabled
hpet clockevent registered
Fast TSC calibration using PIT
Detected 2094.736 MHz processor.
Calibrating delay loop (skipped), value calculated using timer frequency.. 4189.47 BogoMIPS (lpj=8378944)
pid_max: default: 32768 minimum: 301
Mount-cache hash table entries: 512
CPU: Physical Processor ID: 0
CPU: Processor Core ID: 0
mce: CPU supports 6 MCE banks
CPU0: Thermal LVT vector (0xfa) already installed
using mwait in idle threads.
ACPI: Core revision 20120111
Enabling APIC mode:  Flat.  Using 1 I/O APICs
..TIMER: vector=0x30 apic1=0 pin1=2 apic2=-1 pin2=-1
CPU0: Intel Pentium(R) Dual-Core CPU       T4300  @ 2.10GHz stepping 0a
Performance Events: PEBS fmt0+, Core2 events, Intel PMU driver.
... version:                2
... bit width:              40
... generic registers:      2
... value mask:             000000ffffffffff
... max period:             000000007fffffff
... fixed-purpose events:   3
... event mask:             0000000700000003
CPU 1 irqstacks, hard=f4c7e000 soft=f4c80000
Booting Node   0, Processors  #1 Ok.
smpboot cpu 1: start_ip = 9a000
Initializing CPU#1
CPU1: Thermal LVT vector (0xfa) already installed
Brought up 2 CPUs
Total of 2 processors activated (8378.94 BogoMIPS).
devtmpfs: initialized
PM: Registering ACPI NVS region at b9f82000 (249856 bytes)
NET: Registered protocol family 16
ACPI: bus type pci registered
PCI: MMCONFIG for domain 0000 [bus 00-3f] at [mem 0xf8000000-0xfbffffff] (base 0xf8000000)
PCI: MMCONFIG at [mem 0xf8000000-0xfbffffff] reserved in E820
PCI: Using MMCONFIG for extended config space
PCI: Using configuration type 1 for base access
bio: create slab <bio-0> at 0
ACPI: Added _OSI(Module Device)
ACPI: Added _OSI(Processor Device)
ACPI: Added _OSI(3.0 _SCP Extensions)
ACPI: Added _OSI(Processor Aggregator Device)
ACPI: EC: Look up EC in DSDT
ACPI: Executed 1 blocks of module-level executable AML code
[Firmware Bug]: ACPI: BIOS _OSI(Linux) query ignored
ACPI: SSDT b9e70c98 00223 (v01  PmRef  Cpu0Ist 00003000 INTL 20051117)
ACPI: Dynamic OEM Table Load:
ACPI: SSDT   (null) 00223 (v01  PmRef  Cpu0Ist 00003000 INTL 20051117)
ACPI: SSDT b9e6e618 005B3 (v01  PmRef  Cpu0Cst 00003001 INTL 20051117)
ACPI: Dynamic OEM Table Load:
ACPI: SSDT   (null) 005B3 (v01  PmRef  Cpu0Cst 00003001 INTL 20051117)
ACPI: SSDT b9e6fe18 001CF (v01  PmRef    ApIst 00003000 INTL 20051117)
ACPI: Dynamic OEM Table Load:
ACPI: SSDT   (null) 001CF (v01  PmRef    ApIst 00003000 INTL 20051117)
ACPI: SSDT b9e70f18 0008D (v01  PmRef    ApCst 00003000 INTL 20051117)
ACPI: Dynamic OEM Table Load:
ACPI: SSDT   (null) 0008D (v01  PmRef    ApCst 00003000 INTL 20051117)
ACPI: Interpreter enabled
ACPI: (supports S0 S3 S4 S5)
ACPI: Using IOAPIC for interrupt routing
ACPI: EC: GPE = 0x17, I/O: command/status = 0x66, data = 0x62
ACPI: No dock devices found.
PCI: Using host bridge windows from ACPI; if necessary, use "pci=nocrs" and report a bug
ACPI: PCI Root Bridge [PCI0] (domain 0000 [bus 00-ff])
pci_root PNP0A08:00: host bridge window [io  0x0000-0x0cf7]
pci_root PNP0A08:00: host bridge window [io  0x0d00-0xffff]
pci_root PNP0A08:00: host bridge window [mem 0x000a0000-0x000bffff]
pci_root PNP0A08:00: host bridge window [mem 0xc0000000-0xfebfffff]
PCI host bridge to bus 0000:00
pci_bus 0000:00: root bus resource [io  0x0000-0x0cf7]
pci_bus 0000:00: root bus resource [io  0x0d00-0xffff]
pci_bus 0000:00: root bus resource [mem 0x000a0000-0x000bffff]
pci_bus 0000:00: root bus resource [mem 0xc0000000-0xfebfffff]
pci 0000:00:00.0: [8086:2a40] type 0 class 0x000600
pci 0000:00:02.0: [8086:2a42] type 0 class 0x000300
pci 0000:00:02.0: reg 10: [mem 0xd0000000-0xd03fffff 64bit]
pci 0000:00:02.0: reg 18: [mem 0xc0000000-0xcfffffff 64bit pref]
pci 0000:00:02.0: reg 20: [io  0x4110-0x4117]
pci 0000:00:02.1: [8086:2a43] type 0 class 0x000380
pci 0000:00:02.1: reg 10: [mem 0xd2400000-0xd24fffff 64bit]
pci 0000:00:1a.0: [8086:2937] type 0 class 0x000c03
pci 0000:00:1a.0: reg 20: [io  0x40e0-0x40ff]
pci 0000:00:1a.1: [8086:2938] type 0 class 0x000c03
pci 0000:00:1a.1: reg 20: [io  0x40c0-0x40df]
pci 0000:00:1a.7: [8086:293c] type 0 class 0x000c03
pci 0000:00:1a.7: reg 10: [mem 0xd4505c00-0xd4505fff]
pci 0000:00:1a.7: PME# supported from D0 D3hot D3cold
pci 0000:00:1b.0: [8086:293e] type 0 class 0x000403
pci 0000:00:1b.0: reg 10: [mem 0xd4500000-0xd4503fff 64bit]
pci 0000:00:1b.0: PME# supported from D0 D3hot D3cold
pci 0000:00:1c.0: [8086:2940] type 1 class 0x000604
pci 0000:00:1c.0: PME# supported from D0 D3hot D3cold
pci 0000:00:1c.1: [8086:2942] type 1 class 0x000604
pci 0000:00:1c.1: PME# supported from D0 D3hot D3cold
pci 0000:00:1d.0: [8086:2934] type 0 class 0x000c03
pci 0000:00:1d.0: reg 20: [io  0x40a0-0x40bf]
pci 0000:00:1d.1: [8086:2935] type 0 class 0x000c03
pci 0000:00:1d.1: reg 20: [io  0x4080-0x409f]
pci 0000:00:1d.2: [8086:2936] type 0 class 0x000c03
pci 0000:00:1d.2: reg 20: [io  0x4060-0x407f]
pci 0000:00:1d.3: [8086:2939] type 0 class 0x000c03
pci 0000:00:1d.3: reg 20: [io  0x4040-0x405f]
pci 0000:00:1d.7: [8086:293a] type 0 class 0x000c03
pci 0000:00:1d.7: reg 10: [mem 0xd4505800-0xd4505bff]
pci 0000:00:1d.7: PME# supported from D0 D3hot D3cold
pci 0000:00:1e.0: [8086:2448] type 1 class 0x000604
pci 0000:00:1f.0: [8086:2919] type 0 class 0x000601
pci 0000:00:1f.2: [8086:2929] type 0 class 0x000106
pci 0000:00:1f.2: reg 10: [io  0x4108-0x410f]
pci 0000:00:1f.2: reg 14: [io  0x411c-0x411f]
pci 0000:00:1f.2: reg 18: [io  0x4100-0x4107]
pci 0000:00:1f.2: reg 1c: [io  0x4118-0x411b]
pci 0000:00:1f.2: reg 20: [io  0x4020-0x403f]
pci 0000:00:1f.2: reg 24: [mem 0xd4505000-0xd45057ff]
pci 0000:00:1f.2: PME# supported from D3hot
pci 0000:00:1f.3: [8086:2930] type 0 class 0x000c05
pci 0000:00:1f.3: reg 10: [mem 0xd4506000-0xd45060ff 64bit]
pci 0000:00:1f.3: reg 20: [io  0x4000-0x401f]
pci 0000:00:1f.6: [8086:2932] type 0 class 0x001180
pci 0000:00:1f.6: reg 10: [mem 0xd4504000-0xd4504fff 64bit]
pci 0000:02:00.0: [168c:002b] type 0 class 0x000280
pci 0000:02:00.0: reg 10: [mem 0xd3500000-0xd350ffff 64bit]
pci 0000:02:00.0: supports D1
pci 0000:02:00.0: PME# supported from D0 D1 D3hot
pci 0000:00:1c.0: PCI bridge to [bus 02-02]
pci 0000:00:1c.0:   bridge window [io  0x3000-0x3fff]
pci 0000:00:1c.0:   bridge window [mem 0xd3500000-0xd44fffff]
pci 0000:00:1c.0:   bridge window [mem 0xd0400000-0xd13fffff 64bit pref]
pci 0000:03:00.0: [10ec:8136] type 0 class 0x000200
pci 0000:03:00.0: reg 10: [io  0x2000-0x20ff]
pci 0000:03:00.0: reg 18: [mem 0xd1410000-0xd1410fff 64bit pref]
pci 0000:03:00.0: reg 20: [mem 0xd1400000-0xd140ffff 64bit pref]
pci 0000:03:00.0: reg 30: [mem 0xffff0000-0xffffffff pref]
pci 0000:03:00.0: supports D1 D2
pci 0000:03:00.0: PME# supported from D0 D1 D2 D3hot D3cold
pci 0000:00:1c.1: PCI bridge to [bus 03-03]
pci 0000:00:1c.1:   bridge window [io  0x2000-0x2fff]
pci 0000:00:1c.1:   bridge window [mem 0xd2500000-0xd34fffff]
pci 0000:00:1c.1:   bridge window [mem 0xd1400000-0xd23fffff 64bit pref]
pci 0000:00:1e.0: PCI bridge to [bus 04-04] (subtractive decode)
pci 0000:00:1e.0:   bridge window [io  0x0000-0x0cf7] (subtractive decode)
pci 0000:00:1e.0:   bridge window [io  0x0d00-0xffff] (subtractive decode)
pci 0000:00:1e.0:   bridge window [mem 0x000a0000-0x000bffff] (subtractive decode)
pci 0000:00:1e.0:   bridge window [mem 0xc0000000-0xfebfffff] (subtractive decode)
pci_bus 0000:00: on NUMA node 0
ACPI: PCI Interrupt Routing Table [\_SB_.PCI0._PRT]
ACPI: PCI Interrupt Routing Table [\_SB_.PCI0.P32_._PRT]
ACPI: PCI Interrupt Routing Table [\_SB_.PCI0.EXP1._PRT]
ACPI: PCI Interrupt Routing Table [\_SB_.PCI0.EXP2._PRT]
 pci0000:00: Unable to request _OSC control (_OSC support mask: 0x0f)
ACPI: PCI Interrupt Link [LNKA] (IRQs 3 4 5 7 9 10 11 12) *0, disabled.
ACPI: PCI Interrupt Link [LNKB] (IRQs 3 4 5 7 9 10 11 12) *0, disabled.
ACPI: PCI Interrupt Link [LNKC] (IRQs 3 4 5 7 9 10 11 12) *0, disabled.
ACPI: PCI Interrupt Link [LNKD] (IRQs 3 4 5 7 9 10 11 12) *0, disabled.
ACPI: PCI Interrupt Link [LNKE] (IRQs 3 4 5 7 9 10 11 12) *0, disabled.
ACPI: PCI Interrupt Link [LNKF] (IRQs 3 4 5 7 9 10 11 12) *0, disabled.
ACPI: PCI Interrupt Link [LNKG] (IRQs 3 4 5 7 9 10 11 12) *0, disabled.
ACPI: PCI Interrupt Link [LNKH] (IRQs 3 4 5 7 9 10 11 12) *0, disabled.
vgaarb: device added: PCI:0000:00:02.0,decodes=io+mem,owns=io+mem,locks=none
vgaarb: loaded
vgaarb: bridge control possible 0000:00:02.0
SCSI subsystem initialized
libata version 3.00 loaded.
usbcore: registered new interface driver usbfs
usbcore: registered new interface driver hub
usbcore: registered new device driver usb
Advanced Linux Sound Architecture Driver Version 1.0.24.
PCI: Using ACPI for IRQ routing
PCI: pci_cache_line_size set to 64 bytes
reserve RAM buffer: 000000000009e000 - 000000000009ffff 
reserve RAM buffer: 00000000b9e61000 - 00000000bbffffff 
reserve RAM buffer: 00000000b9f82000 - 00000000bbffffff 
reserve RAM buffer: 00000000b9fe2000 - 00000000bbffffff 
reserve RAM buffer: 00000000ba000000 - 00000000bbffffff 
Switching to clocksource hpet
pnp: PnP ACPI init
ACPI: bus type pnp registered
pnp 00:00: [mem 0xf8000000-0xfbffffff]
system 00:00: [mem 0xf8000000-0xfbffffff] has been reserved
system 00:00: Plug and Play ACPI device, IDs PNP0c02 (active)
pnp 00:01: [bus 00-ff]
pnp 00:01: [io  0x0000-0x0cf7 window]
pnp 00:01: [io  0x0cf8-0x0cff]
pnp 00:01: [io  0x0d00-0xffff window]
pnp 00:01: [mem 0x000a0000-0x000bffff window]
pnp 00:01: [mem 0x000c0000-0x000c3fff window]
pnp 00:01: [mem 0x000c4000-0x000c7fff window]
pnp 00:01: [mem 0x000c8000-0x000cbfff window]
pnp 00:01: [mem 0x000cc000-0x000cffff window]
pnp 00:01: [mem 0x000d0000-0x000d3fff window]
pnp 00:01: [mem 0x000d4000-0x000d7fff window]
pnp 00:01: [mem 0x000d8000-0x000dbfff window]
pnp 00:01: [mem 0x000dc000-0x000dffff window]
pnp 00:01: [mem 0x000e0000-0x000e3fff window]
pnp 00:01: [mem 0x000e4000-0x000e7fff window]
pnp 00:01: [mem 0x000e8000-0x000ebfff window]
pnp 00:01: [mem 0x000ec000-0x000effff window]
pnp 00:01: [mem 0x000f0000-0x000fffff window]
pnp 00:01: [mem 0xc0000000-0xfebfffff window]
pnp 00:01: [mem 0xfed40000-0xfed44fff window]
pnp 00:01: Plug and Play ACPI device, IDs PNP0a08 PNP0a03 (active)
pnp 00:02: [io  0x002e-0x002f]
pnp 00:02: [io  0x004e-0x004f]
pnp 00:02: [io  0x164e-0x164f]
pnp 00:02: [io  0x0061]
pnp 00:02: [io  0x0070]
pnp 00:02: [io  0x0080]
pnp 00:02: [io  0x0092]
pnp 00:02: [io  0x00b2-0x00b3]
pnp 00:02: [io  0x0063]
pnp 00:02: [io  0x0065]
pnp 00:02: [io  0x0067]
pnp 00:02: [io  0x0600-0x060f]
pnp 00:02: [io  0x0610]
pnp 00:02: [io  0x0800-0x080f]
pnp 00:02: [io  0x0810-0x0817]
pnp 00:02: [io  0x0820-0x0823]
pnp 00:02: [io  0x0400-0x047f]
pnp 00:02: [io  0x0500-0x053f]
pnp 00:02: [io  0x0380-0x0387]
pnp 00:02: [mem 0xf8000000-0xfbffffff]
pnp 00:02: [mem 0xfed1c000-0xfed1ffff]
pnp 00:02: [mem 0xfed10000-0xfed13fff]
pnp 00:02: [mem 0xfed18000-0xfed18fff]
pnp 00:02: [mem 0xfed19000-0xfed19fff]
pnp 00:02: [mem 0xfec00000-0xfec00fff]
pnp 00:02: [mem 0xfed20000-0xfed3ffff]
pnp 00:02: [mem 0xfed40000-0xfed44fff]
pnp 00:02: [mem 0xfed45000-0xfed8ffff]
pnp 00:02: [mem 0xfee00000-0xfee00fff]
system 00:02: [io  0x164e-0x164f] has been reserved
system 00:02: [io  0x0600-0x060f] has been reserved
system 00:02: [io  0x0610] has been reserved
system 00:02: [io  0x0800-0x080f] has been reserved
system 00:02: [io  0x0810-0x0817] has been reserved
system 00:02: [io  0x0820-0x0823] has been reserved
system 00:02: [io  0x0400-0x047f] has been reserved
system 00:02: [io  0x0500-0x053f] has been reserved
system 00:02: [io  0x0380-0x0387] has been reserved
system 00:02: [mem 0xf8000000-0xfbffffff] has been reserved
system 00:02: [mem 0xfed1c000-0xfed1ffff] has been reserved
system 00:02: [mem 0xfed10000-0xfed13fff] has been reserved
system 00:02: [mem 0xfed18000-0xfed18fff] has been reserved
system 00:02: [mem 0xfed19000-0xfed19fff] has been reserved
system 00:02: [mem 0xfec00000-0xfec00fff] could not be reserved
system 00:02: [mem 0xfed20000-0xfed3ffff] has been reserved
system 00:02: [mem 0xfed40000-0xfed44fff] has been reserved
system 00:02: [mem 0xfed45000-0xfed8ffff] has been reserved
system 00:02: [mem 0xfee00000-0xfee00fff] has been reserved
system 00:02: Plug and Play ACPI device, IDs PNP0c02 (active)
pnp 00:03: [io  0x0000-0x001f]
pnp 00:03: [io  0x0081-0x0091]
pnp 00:03: [io  0x0093-0x009f]
pnp 00:03: [io  0x00c0-0x00df]
pnp 00:03: [dma 4]
pnp 00:03: Plug and Play ACPI device, IDs PNP0200 (active)
pnp 00:04: [io  0x0070-0x0077]
pnp 00:04: Plug and Play ACPI device, IDs PNP0b00 (active)
pnp 00:05: [irq 0 disabled]
pnp 00:05: [irq 8]
pnp 00:05: [mem 0xfed00000-0xfed003ff]
pnp 00:05: Plug and Play ACPI device, IDs PNP0103 (active)
pnp 00:06: [io  0x00f0]
pnp 00:06: [irq 13]
pnp 00:06: Plug and Play ACPI device, IDs PNP0c04 (active)
pnp 00:07: [mem 0xff800000-0xffffffff]
pnp 00:07: Plug and Play ACPI device, IDs INT0800 (active)
pnp 00:08: [io  0x0060]
pnp 00:08: [io  0x0064]
pnp 00:08: [irq 1]
pnp 00:08: Plug and Play ACPI device, IDs PNP0303 (active)
pnp 00:09: [irq 12]
pnp 00:09: Plug and Play ACPI device, IDs SYN1e08 SYN1e00 SYN0002 PNP0f13 (active)
pnp: PnP ACPI: found 10 devices
ACPI: ACPI bus type pnp unregistered
pci 0000:03:00.0: no compatible bridge window for [mem 0xffff0000-0xffffffff pref]
PCI: max bus depth: 1 pci_try_num: 2
pci 0000:00:1c.0: PCI bridge to [bus 02-02]
pci 0000:00:1c.0:   bridge window [io  0x3000-0x3fff]
pci 0000:00:1c.0:   bridge window [mem 0xd3500000-0xd44fffff]
pci 0000:00:1c.0:   bridge window [mem 0xd0400000-0xd13fffff 64bit pref]
pci 0000:03:00.0: BAR 6: assigned [mem 0xd1420000-0xd142ffff pref]
pci 0000:00:1c.1: PCI bridge to [bus 03-03]
pci 0000:00:1c.1:   bridge window [io  0x2000-0x2fff]
pci 0000:00:1c.1:   bridge window [mem 0xd2500000-0xd34fffff]
pci 0000:00:1c.1:   bridge window [mem 0xd1400000-0xd23fffff 64bit pref]
pci 0000:00:1e.0: PCI bridge to [bus 04-04]
pci 0000:00:1e.0: setting latency timer to 64
pci_bus 0000:00: resource 4 [io  0x0000-0x0cf7]
pci_bus 0000:00: resource 5 [io  0x0d00-0xffff]
pci_bus 0000:00: resource 6 [mem 0x000a0000-0x000bffff]
pci_bus 0000:00: resource 7 [mem 0xc0000000-0xfebfffff]
pci_bus 0000:02: resource 0 [io  0x3000-0x3fff]
pci_bus 0000:02: resource 1 [mem 0xd3500000-0xd44fffff]
pci_bus 0000:02: resource 2 [mem 0xd0400000-0xd13fffff 64bit pref]
pci_bus 0000:03: resource 0 [io  0x2000-0x2fff]
pci_bus 0000:03: resource 1 [mem 0xd2500000-0xd34fffff]
pci_bus 0000:03: resource 2 [mem 0xd1400000-0xd23fffff 64bit pref]
pci_bus 0000:04: resource 4 [io  0x0000-0x0cf7]
pci_bus 0000:04: resource 5 [io  0x0d00-0xffff]
pci_bus 0000:04: resource 6 [mem 0x000a0000-0x000bffff]
pci_bus 0000:04: resource 7 [mem 0xc0000000-0xfebfffff]
NET: Registered protocol family 2
IP route cache hash table entries: 32768 (order: 5, 131072 bytes)
TCP established hash table entries: 131072 (order: 8, 1048576 bytes)
TCP bind hash table entries: 65536 (order: 7, 524288 bytes)
TCP: Hash tables configured (established 131072 bind 65536)
TCP reno registered
UDP hash table entries: 512 (order: 2, 16384 bytes)
UDP-Lite hash table entries: 512 (order: 2, 16384 bytes)
NET: Registered protocol family 1
pci 0000:00:02.0: Boot video device
PCI: CLS 64 bytes, default 64
Simple Boot Flag at 0x44 set to 0x1
highmem bounce pool size: 64 pages
fuse init (API version 7.18)
msgmni has been set to 1689
io scheduler noop registered
io scheduler cfq registered (default)
ACPI: Deprecated procfs I/F for AC is loaded, please retry with CONFIG_ACPI_PROCFS_POWER cleared
ACPI: AC Adapter [ACAD] (on-line)
input: Power Button as /devices/LNXSYSTM:00/device:00/PNP0C0C:00/input/input0
ACPI: Power Button [PWRB]
input: Lid Switch as /devices/LNXSYSTM:00/device:00/PNP0C0D:00/input/input1
ACPI: Lid Switch [LID0]
input: Sleep Button as /devices/LNXSYSTM:00/device:00/PNP0C0E:00/input/input2
ACPI: Sleep Button [SLPB]
input: Power Button as /devices/LNXSYSTM:00/LNXPWRBN:00/input/input3
ACPI: Power Button [PWRF]
Monitor-Mwait will be used to enter C-1 state
Monitor-Mwait will be used to enter C-2 state
Monitor-Mwait will be used to enter C-3 state
Marking TSC unstable due to TSC halts in idle
ACPI: acpi_idle registered with cpuidle
[Firmware Bug]: Invalid critical threshold (0)
thermal LNXTHERM:00: registered as thermal_zone0
ACPI: Thermal Zone [TZ01] (47 C)
isapnp: Scanning for PnP cards...
ACPI: Deprecated procfs I/F for battery is loaded, please retry with CONFIG_ACPI_PROCFS_POWER cleared
ACPI: Battery Slot [BAT0] (battery present)
isapnp: No Plug & Play device found
Serial: 8250/16550 driver, 4 ports, IRQ sharing disabled
Real Time Clock Driver v1.12b
Linux agpgart interface v0.103
agpgart-intel 0000:00:00.0: Intel GM45 Chipset
agpgart-intel 0000:00:00.0: detected gtt size: 2097152K total, 262144K mappable
agpgart-intel 0000:00:00.0: detected 65536K stolen memory
agpgart-intel 0000:00:00.0: AGP aperture is 256M @ 0xc0000000
[drm] Initialized drm 1.1.0 20060810
i915 0000:00:02.0: setting latency timer to 64
[drm] Supports vblank timestamp caching Rev 1 (10.10.2010).
[drm] Driver supports precise vblank timestamp query.
vgaarb: device changed decodes: PCI:0000:00:02.0,olddecodes=io+mem,decodes=io+mem:owns=io+mem
fixme: max PWM is zero.
fbcon: inteldrmfb (fb0) is primary device
Console: switching to colour frame buffer device 170x48
fb0: inteldrmfb frame buffer device
drm: registered panic notifier
acpi device:03: registered as cooling_device2
input: Video Bus as /devices/LNXSYSTM:00/device:00/PNP0A08:00/LNXVIDEO:00/input/input4
ACPI: Video Device [OVGA] (multi-head: yes  rom: no  post: no)
[drm] Initialized i915 1.6.0 20080730 for 0000:00:02.0 on minor 0
ahci 0000:00:1f.2: version 3.0
ahci: SSS flag set, parallel bus scan disabled
ahci 0000:00:1f.2: AHCI 0001.0200 32 slots 4 ports 3 Gbps 0x33 impl SATA mode
ahci 0000:00:1f.2: flags: 64bit ncq sntf stag pm led clo pmp pio slum part ccc ems sxs 
ahci 0000:00:1f.2: setting latency timer to 64
scsi0 : ahci
scsi1 : ahci
scsi2 : ahci
scsi3 : ahci
scsi4 : ahci
scsi5 : ahci
ata1: SATA max UDMA/133 abar m2048@0xd4505000 port 0xd4505100 irq 19
ata2: SATA max UDMA/133 abar m2048@0xd4505000 port 0xd4505180 irq 19
ata3: DUMMY
ata4: DUMMY
ata5: SATA max UDMA/133 abar m2048@0xd4505000 port 0xd4505300 irq 19
ata6: SATA max UDMA/133 abar m2048@0xd4505000 port 0xd4505380 irq 19
ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver
ehci_hcd 0000:00:1a.7: setting latency timer to 64
ehci_hcd 0000:00:1a.7: EHCI Host Controller
ehci_hcd 0000:00:1a.7: new USB bus registered, assigned bus number 1
ehci_hcd 0000:00:1a.7: debug port 1
ehci_hcd 0000:00:1a.7: cache line size of 64 is not supported
ehci_hcd 0000:00:1a.7: irq 19, io mem 0xd4505c00
ehci_hcd 0000:00:1a.7: USB 2.0 started, EHCI 1.00
usb usb1: New USB device found, idVendor=1d6b, idProduct=0002
usb usb1: New USB device strings: Mfr=3, Product=2, SerialNumber=1
usb usb1: Product: EHCI Host Controller
usb usb1: Manufacturer: Linux 3.3.0-rc2+ ehci_hcd
usb usb1: SerialNumber: 0000:00:1a.7
hub 1-0:1.0: USB hub found
hub 1-0:1.0: 4 ports detected
ehci_hcd 0000:00:1d.7: setting latency timer to 64
ehci_hcd 0000:00:1d.7: EHCI Host Controller
ehci_hcd 0000:00:1d.7: new USB bus registered, assigned bus number 2
ehci_hcd 0000:00:1d.7: debug port 1
ehci_hcd 0000:00:1d.7: cache line size of 64 is not supported
ehci_hcd 0000:00:1d.7: irq 20, io mem 0xd4505800
ehci_hcd 0000:00:1d.7: USB 2.0 started, EHCI 1.00
usb usb2: New USB device found, idVendor=1d6b, idProduct=0002
usb usb2: New USB device strings: Mfr=3, Product=2, SerialNumber=1
usb usb2: Product: EHCI Host Controller
usb usb2: Manufacturer: Linux 3.3.0-rc2+ ehci_hcd
usb usb2: SerialNumber: 0000:00:1d.7
hub 2-0:1.0: USB hub found
hub 2-0:1.0: 8 ports detected
uhci_hcd: USB Universal Host Controller Interface driver
uhci_hcd 0000:00:1a.0: setting latency timer to 64
uhci_hcd 0000:00:1a.0: UHCI Host Controller
uhci_hcd 0000:00:1a.0: new USB bus registered, assigned bus number 3
uhci_hcd 0000:00:1a.0: irq 16, io base 0x000040e0
usb usb3: New USB device found, idVendor=1d6b, idProduct=0001
usb usb3: New USB device strings: Mfr=3, Product=2, SerialNumber=1
usb usb3: Product: UHCI Host Controller
usb usb3: Manufacturer: Linux 3.3.0-rc2+ uhci_hcd
usb usb3: SerialNumber: 0000:00:1a.0
hub 3-0:1.0: USB hub found
hub 3-0:1.0: 2 ports detected
uhci_hcd 0000:00:1a.1: setting latency timer to 64
uhci_hcd 0000:00:1a.1: UHCI Host Controller
uhci_hcd 0000:00:1a.1: new USB bus registered, assigned bus number 4
uhci_hcd 0000:00:1a.1: irq 21, io base 0x000040c0
usb usb4: New USB device found, idVendor=1d6b, idProduct=0001
usb usb4: New USB device strings: Mfr=3, Product=2, SerialNumber=1
usb usb4: Product: UHCI Host Controller
usb usb4: Manufacturer: Linux 3.3.0-rc2+ uhci_hcd
usb usb4: SerialNumber: 0000:00:1a.1
hub 4-0:1.0: USB hub found
hub 4-0:1.0: 2 ports detected
uhci_hcd 0000:00:1d.0: setting latency timer to 64
uhci_hcd 0000:00:1d.0: UHCI Host Controller
uhci_hcd 0000:00:1d.0: new USB bus registered, assigned bus number 5
uhci_hcd 0000:00:1d.0: irq 20, io base 0x000040a0
usb usb5: New USB device found, idVendor=1d6b, idProduct=0001
usb usb5: New USB device strings: Mfr=3, Product=2, SerialNumber=1
usb usb5: Product: UHCI Host Controller
usb usb5: Manufacturer: Linux 3.3.0-rc2+ uhci_hcd
usb usb5: SerialNumber: 0000:00:1d.0
hub 5-0:1.0: USB hub found
hub 5-0:1.0: 2 ports detected
uhci_hcd 0000:00:1d.1: setting latency timer to 64
uhci_hcd 0000:00:1d.1: UHCI Host Controller
uhci_hcd 0000:00:1d.1: new USB bus registered, assigned bus number 6
uhci_hcd 0000:00:1d.1: irq 19, io base 0x00004080
usb usb6: New USB device found, idVendor=1d6b, idProduct=0001
usb usb6: New USB device strings: Mfr=3, Product=2, SerialNumber=1
usb usb6: Product: UHCI Host Controller
usb usb6: Manufacturer: Linux 3.3.0-rc2+ uhci_hcd
usb usb6: SerialNumber: 0000:00:1d.1
hub 6-0:1.0: USB hub found
hub 6-0:1.0: 2 ports detected
uhci_hcd 0000:00:1d.2: setting latency timer to 64
uhci_hcd 0000:00:1d.2: UHCI Host Controller
uhci_hcd 0000:00:1d.2: new USB bus registered, assigned bus number 7
uhci_hcd 0000:00:1d.2: irq 16, io base 0x00004060
usb usb7: New USB device found, idVendor=1d6b, idProduct=0001
usb usb7: New USB device strings: Mfr=3, Product=2, SerialNumber=1
usb usb7: Product: UHCI Host Controller
usb usb7: Manufacturer: Linux 3.3.0-rc2+ uhci_hcd
usb usb7: SerialNumber: 0000:00:1d.2
hub 7-0:1.0: USB hub found
hub 7-0:1.0: 2 ports detected
uhci_hcd 0000:00:1d.3: setting latency timer to 64
uhci_hcd 0000:00:1d.3: UHCI Host Controller
uhci_hcd 0000:00:1d.3: new USB bus registered, assigned bus number 8
uhci_hcd 0000:00:1d.3: irq 18, io base 0x00004040
usb usb8: New USB device found, idVendor=1d6b, idProduct=0001
usb usb8: New USB device strings: Mfr=3, Product=2, SerialNumber=1
usb usb8: Product: UHCI Host Controller
usb usb8: Manufacturer: Linux 3.3.0-rc2+ uhci_hcd
usb usb8: SerialNumber: 0000:00:1d.3
hub 8-0:1.0: USB hub found
hub 8-0:1.0: 2 ports detected
i8042: PNP: PS/2 Controller [PNP0303:KBC,PNP0f13:MOUE] at 0x60,0x64 irq 1,12
serio: i8042 KBD port at 0x60,0x64 irq 1
serio: i8042 AUX port at 0x60,0x64 irq 12
mousedev: PS/2 mouse device common for all mice
input: PC Speaker as /devices/platform/pcspkr/input/input5
i2c /dev entries driver
Linux video capture interface: v2.00
usbcore: registered new interface driver uvcvideo
USB Video Class driver (1.1.1)
cpuidle: using governor ladder
cpuidle: using governor menu
usbcore: registered new interface driver usbhid
usbhid: USB HID core driver
input: AT Translated Set 2 keyboard as /devices/platform/i8042/serio0/input/input6
HDMI status: Codec=3 Pin=3 Presence_Detect=0 ELD_Valid=0
ALSA device list:
  #0: HDA Intel at 0xd4500000 irq 22
ip_tables: (C) 2000-2006 Netfilter Core Team
TCP cubic registered
NET: Registered protocol family 17
NET: Registered protocol family 15
Using IPI No-Shortcut mode
usb 2-4: new high-speed USB device number 3 using ehci_hcd
ata1: SATA link up 3.0 Gbps (SStatus 123 SControl 300)
ata1.00: ATA-8: ST9320325AS, 0005HPM1, max UDMA/100
ata1.00: 625142448 sectors, multi 16: LBA48 NCQ (depth 31/32), AA
ata1.00: configured for UDMA/100
scsi 0:0:0:0: Direct-Access     ATA      ST9320325AS      0005 PQ: 0 ANSI: 5
sd 0:0:0:0: [sda] 625142448 512-byte logical blocks: (320 GB/298 GiB)
sd 0:0:0:0: [sda] Write Protect is off
sd 0:0:0:0: [sda] Mode Sense: 00 3a 00 00
sd 0:0:0:0: [sda] Write cache: enabled, read cache: enabled, doesn't support DPO or FUA
usb 2-4: New USB device found, idVendor=0408, idProduct=0f41
usb 2-4: New USB device strings: Mfr=2, Product=1, SerialNumber=3
usb 2-4: Product: HP Webcam-101
usb 2-4: Manufacturer: SN001
usb 2-4: SerialNumber: QCM
uvcvideo: Found UVC 1.00 device HP Webcam-101 (0408:0f41)
input: HP Webcam-101 as /devices/pci0000:00/0000:00:1d.7/usb2/2-4/2-4:1.0/input/input7
 sda: sda1 sda2 sda3 < sda5 sda6 sda7 sda8 sda9 sda10 sda11 sda12 >
sd 0:0:0:0: [sda] Attached SCSI disk
usb 5-1: new low-speed USB device number 2 using uhci_hcd
usb 5-1: New USB device found, idVendor=0461, idProduct=4d20
usb 5-1: New USB device strings: Mfr=0, Product=2, SerialNumber=0
usb 5-1: Product: USB Optical Mouse
input: USB Optical Mouse as /devices/pci0000:00/0000:00:1d.0/usb5/5-1/5-1:1.0/input/input8
generic-usb 0003:0461:4D20.0001: input: USB HID v1.11 Mouse [USB Optical Mouse] on usb-0000:00:1d.0-1/input0
ata2: SATA link up 1.5 Gbps (SStatus 113 SControl 300)
ata2.00: ATAPI: hp       DVDRAM GT20L, DC05, max UDMA/100
ata2.00: configured for UDMA/100
scsi 1:0:0:0: CD-ROM            hp       DVDRAM GT20L     DC05 PQ: 0 ANSI: 5
sr0: scsi3-mmc drive: 24x/24x writer dvd-ram cd/rw xa/form2 cdda tray
cdrom: Uniform CD-ROM driver Revision: 3.20
sr 1:0:0:0: Attached scsi CD-ROM sr0
ata5: SATA link down (SStatus 0 SControl 300)
ata6: SATA link down (SStatus 0 SControl 300)
kjournald starting.  Commit interval 5 seconds
EXT3-fs (sda5): mounted filesystem with writeback data mode
VFS: Mounted root (ext3 filesystem) readonly on device 8:5.
devtmpfs: mounted
Freeing unused kernel memory: 344k freed
EXT3-fs (sda5): using internal journal
udevd[83]: starting version 180
r8169 Gigabit Ethernet driver 2.3LK-NAPI loaded
r8169 0000:03:00.0: eth0: RTL8102e at 0xf8430000, 00:26:9e:88:1c:1c, XID 04c00000 IRQ 17
r8169 0000:03:00.0: eth0: link down
r8169 0000:03:00.0: eth0: link down
psmouse serio1: synaptics: Touchpad model: 1, fw: 6.5, id: 0x1c0b1, caps: 0xa04751/0xa00000/0x0
input: SynPS/2 Synaptics TouchPad as /devices/platform/i8042/serio1/input/input9
r8169 0000:03:00.0: eth0: link up
microcode: CPU0 sig=0x1067a, pf=0x80, revision=0xa07
microcode: CPU1 sig=0x1067a, pf=0x80, revision=0xa0b
microcode: Microcode Update Driver: v2.00 <tigran@aivazian.fsnet.co.uk>, Peter Oruba
microcode: CPU0 updated to revision 0xa0b, date = 2010-09-28
microcode: Microcode Update Driver: v2.00 removed.
kjournald starting.  Commit interval 5 seconds
EXT3-fs (sda8): warning: maximal mount count reached, running e2fsck is recommended
EXT3-fs (sda8): using internal journal
EXT3-fs (sda8): mounted filesystem with writeback data mode
kjournald starting.  Commit interval 5 seconds
EXT3-fs (sda9): using internal journal
EXT3-fs (sda9): mounted filesystem with writeback data mode
Adding 4096536k swap on /dev/sda6.  Priority:-1 extents:1 across:4096536k 
nf_conntrack version 0.5.0 (16384 buckets, 65536 max)
CIFS VFS: default security mechanism requested.  The default security mechanism will be upgraded from ntlm to ntlmv2 in kernel release 3.3
BUG: unable to handle kernel NULL pointer dereference at   (null)
IP: [<c116b146>] strnlen+0x6/0x20
*pdpt = 0000000033f0c001 *pde = 0000000000000000 
Oops: 0000 [#1] PREEMPT SMP 
Modules linked in: md4 cifs ipt_LOG xt_state iptable_filter ipt_MASQUERADE iptable_nat nf_nat nf_conntrack_ipv4 nf_defrag_ipv4 nf_conntrack psmouse r8169 [last unloaded: microcode]

Pid: 811, comm: mount.cifs Not tainted 3.3.0-rc2+ #94 Hewlett-Packard HP G61 Notebook PC/3069
EIP: 0060:[<c116b146>] EFLAGS: 00010207 CPU: 0
EIP is at strnlen+0x6/0x20
EAX: 00000000 EBX: f31149ac ECX: 00000000 EDX: 000000ff
ESI: f32a1df4 EDI: f31149b0 EBP: f1a63830 ESP: f32a1d88
 DS: 007b ES: 007b FS: 00d8 GS: 0033 SS: 0068
Process mount.cifs (pid: 811, ti=f32a0000 task=f1a78380 task.ti=f32a0000)
Stack:
 f943a9aa f3114900 9a734c2c 00000000 f1a63800 f943b64a f32a1df0 00000001
 c1047be2 00000000 00000001 00000000 00000001 c1087bf1 f1bfc380 c14d9a80
 00000000 00000007 00000001 f3da7a40 f45dc1c0 00000041 00000000 00000000
Call Trace:
 [<f943a9aa>] ? ascii_ssetup_strings.isra.7+0x3a/0xd0 [cifs]
 [<f943b64a>] ? CIFS_SessSetup+0xc0a/0x115c [cifs]
 [<c1047be2>] ? __wake_up+0x42/0x60
 [<c1087bf1>] ? mempool_free+0x41/0xa0
 [<f941937a>] ? CIFSSMBNegotiate+0x1ca/0x750 [cifs]
 [<f9426b3d>] ? cifs_setup_session+0x4d/0x1b0 [cifs]
 [<f9426ac1>] ? cifs_negotiate_protocol+0x71/0xa0 [cifs]
 [<f9426fb6>] ? cifs_get_smb_ses+0x316/0x4d0 [cifs]
 [<f94271f7>] ? cifs_mount+0x87/0x5a0 [cifs]
 [<f94175f6>] ? cifs_do_mount+0x66/0x460 [cifs]
 [<c1097150>] ? kstrndup+0x40/0x60
 [<f9417617>] ? cifs_do_mount+0x87/0x460 [cifs]
 [<c10b8c0d>] ? mount_fs+0x1d/0xd0
 [<c10ce616>] ? alloc_vfsmnt+0x96/0x130
 [<c10ce8d1>] ? vfs_kern_mount+0x51/0xd0
 [<c10cecef>] ? do_kern_mount+0x3f/0xe0
 [<c10d03d4>] ? do_mount+0x474/0x730
 [<c1020d90>] ? vmalloc_sync_all+0x10/0x10
 [<c10d07a2>] ? sys_mount+0x72/0xb0
 [<c13b57d0>] ? sysenter_do_call+0x12/0x26
Code: 26 00 00 00 00 85 c9 57 89 c7 74 07 89 d0 f2 ae 75 01 4f 89 f8 5f c3 8d b4 26 00 00 00 00 8d bc 27 00 00 00 00 89 c1 89 c8 eb 06 <80> 38 00 74 07 40 4a 83 fa ff 75 f4 29 c8 c3 90 90 90 90 90 90 
EIP: [<c116b146>] strnlen+0x6/0x20 SS:ESP 0068:f32a1d88
CR2: 0000000000000000
---[ end trace 9f3a2989281718b5 ]---

Re: 3.3.0-rc2+: oops went mounting via cifs

[Shirish Pargaonkar]

[-- Attachment #1: Type: text/plain, Size: 3190 bytes --]

On Thu, Feb 2, 2012 at 9:20 AM, Chris Clayton <chris2553-gM/Ye1E23mwN+BqQ9rBEUg@public.gmane.org> wrote:
> Hi.
> I'm not subscribed, so please cc me on any replies.
>
> I'm getting an oops when trying to mount a FAT32 partition hosted on
> another machine on my home network. The kernel is built from a pull of
> from kernel.org this morning. "git describe" gives
> v3.3-rc2-37-gbd3ce7d.
>
> The oops message is:
>
> CIFS VFS: default security mechanism requested.  The default security
> mechanism will be upgraded from ntlm to ntlmv2in kernel release 3.3
> BUG: unable to handle kernel NULL pointer dereference at   (null)
> IP: [<c116b146>] strnlen+0x6/0x20
> *pdpt = 0000000033f0c001 *pde = 0000000000000000
> Oops: 0000 [#1] PREEMPT SMP
> Modules linked in: md4 cifs ipt_LOG xt_state iptable_filter
> ipt_MASQUERADE iptable_nat nf_nat nf_conntrack_ipv4 nf_defrag_ipv4
> nf_conntrack psmouse r8169 [last unloaded: microcode]
>
> Pid: 811, comm: mount.cifs Not tainted 3.3.0-rc2+ #94 Hewlett-Packard
> HP G61 Notebook PC/3069
> EIP: 0060:[<c116b146>] EFLAGS: 00010207 CPU: 0
> EIP is at strnlen+0x6/0x20
> EAX: 00000000 EBX: f31149ac ECX: 00000000 EDX: 000000ff
> ESI: f32a1df4 EDI: f31149b0 EBP: f1a63830 ESP: f32a1d88
>  DS: 007b ES: 007b FS: 00d8 GS: 0033 SS: 0068
> Process mount.cifs (pid: 811, ti=f32a0000 task=f1a78380 task.ti=f32a0000)
> Stack:
>  f943a9aa f3114900 9a734c2c 00000000 f1a63800 f943b64a f32a1df0 00000001
>  c1047be2 00000000 00000001 00000000 00000001 c1087bf1 f1bfc380 c14d9a80
>  00000000 00000007 00000001 f3da7a40 f45dc1c0 00000041 00000000 00000000
> Call Trace:
>  [<f943a9aa>] ? ascii_ssetup_strings.isra.7+0x3a/0xd0 [cifs]
>  [<f943b64a>] ? CIFS_SessSetup+0xc0a/0x115c [cifs]
>  [<c1047be2>] ? __wake_up+0x42/0x60
>  [<c1087bf1>] ? mempool_free+0x41/0xa0
>  [<f941937a>] ? CIFSSMBNegotiate+0x1ca/0x750 [cifs]
>  [<f9426b3d>] ? cifs_setup_session+0x4d/0x1b0 [cifs]
>  [<f9426ac1>] ? cifs_negotiate_protocol+0x71/0xa0 [cifs]
>  [<f9426fb6>] ? cifs_get_smb_ses+0x316/0x4d0 [cifs]
>  [<f94271f7>] ? cifs_mount+0x87/0x5a0 [cifs]
>  [<f94175f6>] ? cifs_do_mount+0x66/0x460 [cifs]
>  [<c1097150>] ? kstrndup+0x40/0x60
>  [<f9417617>] ? cifs_do_mount+0x87/0x460 [cifs]
>  [<c10b8c0d>] ? mount_fs+0x1d/0xd0
>  [<c10ce616>] ? alloc_vfsmnt+0x96/0x130
>  [<c10ce8d1>] ? vfs_kern_mount+0x51/0xd0
>  [<c10cecef>] ? do_kern_mount+0x3f/0xe0
>  [<c10d03d4>] ? do_mount+0x474/0x730
>  [<c1020d90>] ? vmalloc_sync_all+0x10/0x10
>  [<c10d07a2>] ? sys_mount+0x72/0xb0
>  [<c13b57d0>] ? sysenter_do_call+0x12/0x26
> Code: 26 00 00 00 00 85 c9 57 89 c7 74 07 89 d0 f2 ae 75 01 4f 89 f8
> 5f c3 8d b4 26 00 00 00 00 8d bc 27 00 00 00 0089 c1 89 c8 eb 06 <80>
> 38 00 74 07 40 4a 83 fa ff 75 f4 29 c8 c3 90 90 90 90 90 90
> EIP: [<c116b146>] strnlen+0x6/0x20 SS:ESP 0068:f32a1d88
> CR2: 0000000000000000
> ---[ end trace 9f3a2989281718b5 ]---
>
> The full dmesg is attached, in case it helps.
>
> Let me know if I can help in any way to fix this.
>
> Chris
>
> --
> The more I see, the more I know. The more I know, the less I
> understand. Changing Man - Paul Weller

Does this attached patch fix the oops?

[-- Attachment #2: oops.patch --]
[-- Type: text/x-patch, Size: 791 bytes --]

diff --git a/fs/cifs/sess.c b/fs/cifs/sess.c
index d85efad..96ac60c 100644
--- a/fs/cifs/sess.c
+++ b/fs/cifs/sess.c
@@ -246,16 +246,15 @@ static void ascii_ssetup_strings(char **pbcc_area, struct cifs_ses *ses,
 	/* copy user */
 	/* BB what about null user mounts - check that we do this BB */
 	/* copy user */
-	if (ses->user_name != NULL)
+	if (ses->user_name != NULL) {
 		strncpy(bcc_ptr, ses->user_name, MAX_USERNAME_SIZE);
+		bcc_ptr += strnlen(ses->user_name, MAX_USERNAME_SIZE);
+	}
 	/* else null user mount */
-
-	bcc_ptr += strnlen(ses->user_name, MAX_USERNAME_SIZE);
 	*bcc_ptr = 0;
 	bcc_ptr++; /* account for null termination */
 
 	/* copy domain */
-
 	if (ses->domainName != NULL) {
 		strncpy(bcc_ptr, ses->domainName, 256);
 		bcc_ptr += strnlen(ses->domainName, 256);

Re: 3.3.0-rc2+: oops went mounting via cifs

[Chris Clayton]

On Thursday 02 February 2012 15:38:47 Shirish Pargaonkar wrote:
> On Thu, Feb 2, 2012 at 9:20 AM, Chris Clayton <chris2553@googlemail.com> wrote:
> > Hi.
> > I'm not subscribed, so please cc me on any replies.
> >
> > I'm getting an oops when trying to mount a FAT32 partition hosted on
> > another machine on my home network. The kernel is built from a pull of
> > from kernel.org this morning. "git describe" gives
> > v3.3-rc2-37-gbd3ce7d.
> >
> > The oops message is:
> >
> > CIFS VFS: default security mechanism requested.  The default security
> > mechanism will be upgraded from ntlm to ntlmv2in kernel release 3.3
> > BUG: unable to handle kernel NULL pointer dereference at   (null)
> > IP: [<c116b146>] strnlen+0x6/0x20
> > *pdpt = 0000000033f0c001 *pde = 0000000000000000
> > Oops: 0000 [#1] PREEMPT SMP
> > Modules linked in: md4 cifs ipt_LOG xt_state iptable_filter
> > ipt_MASQUERADE iptable_nat nf_nat nf_conntrack_ipv4 nf_defrag_ipv4
> > nf_conntrack psmouse r8169 [last unloaded: microcode]
> >
> > Pid: 811, comm: mount.cifs Not tainted 3.3.0-rc2+ #94 Hewlett-Packard
> > HP G61 Notebook PC/3069
> > EIP: 0060:[<c116b146>] EFLAGS: 00010207 CPU: 0
> > EIP is at strnlen+0x6/0x20
> > EAX: 00000000 EBX: f31149ac ECX: 00000000 EDX: 000000ff
> > ESI: f32a1df4 EDI: f31149b0 EBP: f1a63830 ESP: f32a1d88
> >  DS: 007b ES: 007b FS: 00d8 GS: 0033 SS: 0068
> > Process mount.cifs (pid: 811, ti=f32a0000 task=f1a78380 task.ti=f32a0000)
> > Stack:
> >  f943a9aa f3114900 9a734c2c 00000000 f1a63800 f943b64a f32a1df0 00000001
> >  c1047be2 00000000 00000001 00000000 00000001 c1087bf1 f1bfc380 c14d9a80
> >  00000000 00000007 00000001 f3da7a40 f45dc1c0 00000041 00000000 00000000
> > Call Trace:
> >  [<f943a9aa>] ? ascii_ssetup_strings.isra.7+0x3a/0xd0 [cifs]
> >  [<f943b64a>] ? CIFS_SessSetup+0xc0a/0x115c [cifs]
> >  [<c1047be2>] ? __wake_up+0x42/0x60
> >  [<c1087bf1>] ? mempool_free+0x41/0xa0
> >  [<f941937a>] ? CIFSSMBNegotiate+0x1ca/0x750 [cifs]
> >  [<f9426b3d>] ? cifs_setup_session+0x4d/0x1b0 [cifs]
> >  [<f9426ac1>] ? cifs_negotiate_protocol+0x71/0xa0 [cifs]
> >  [<f9426fb6>] ? cifs_get_smb_ses+0x316/0x4d0 [cifs]
> >  [<f94271f7>] ? cifs_mount+0x87/0x5a0 [cifs]
> >  [<f94175f6>] ? cifs_do_mount+0x66/0x460 [cifs]
> >  [<c1097150>] ? kstrndup+0x40/0x60
> >  [<f9417617>] ? cifs_do_mount+0x87/0x460 [cifs]
> >  [<c10b8c0d>] ? mount_fs+0x1d/0xd0
> >  [<c10ce616>] ? alloc_vfsmnt+0x96/0x130
> >  [<c10ce8d1>] ? vfs_kern_mount+0x51/0xd0
> >  [<c10cecef>] ? do_kern_mount+0x3f/0xe0
> >  [<c10d03d4>] ? do_mount+0x474/0x730
> >  [<c1020d90>] ? vmalloc_sync_all+0x10/0x10
> >  [<c10d07a2>] ? sys_mount+0x72/0xb0
> >  [<c13b57d0>] ? sysenter_do_call+0x12/0x26
> > Code: 26 00 00 00 00 85 c9 57 89 c7 74 07 89 d0 f2 ae 75 01 4f 89 f8
> > 5f c3 8d b4 26 00 00 00 00 8d bc 27 00 00 00 0089 c1 89 c8 eb 06 <80>
> > 38 00 74 07 40 4a 83 fa ff 75 f4 29 c8 c3 90 90 90 90 90 90
> > EIP: [<c116b146>] strnlen+0x6/0x20 SS:ESP 0068:f32a1d88
> > CR2: 0000000000000000
> > ---[ end trace 9f3a2989281718b5 ]---
> >
> > The full dmesg is attached, in case it helps.
> >
> > Let me know if I can help in any way to fix this.
> >
> > Chris
> >
> > --
> > The more I see, the more I know. The more I know, the less I
> > understand. Changing Man - Paul Weller
>
> Does this attached patch fix the oops?

Yes, that fixes it. Thanks for the speedy fix - very impressive!

Tested-by: Chris Clayton  <chris2553-gM/Ye1E23mwN+BqQ9rBEUg@public.gmane.org>



-- 
The more I see, the more I know. The more I know, the less I understand. Changing Man - Paul Weller

Re: 3.3.0-rc2+: oops went mounting via cifs

[Jeff Layton]

On Thu, 2 Feb 2012 09:38:47 -0600
Shirish Pargaonkar <shirishpargaonkar-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org> wrote:

> On Thu, Feb 2, 2012 at 9:20 AM, Chris Clayton <chris2553@googlemail.com> wrote:
> > Hi.
> > I'm not subscribed, so please cc me on any replies.
> >
> > I'm getting an oops when trying to mount a FAT32 partition hosted on
> > another machine on my home network. The kernel is built from a pull of
> > from kernel.org this morning. "git describe" gives
> > v3.3-rc2-37-gbd3ce7d.
> >
> > The oops message is:
> >
> > CIFS VFS: default security mechanism requested.  The default security
> > mechanism will be upgraded from ntlm to ntlmv2in kernel release 3.3
> > BUG: unable to handle kernel NULL pointer dereference at   (null)
> > IP: [<c116b146>] strnlen+0x6/0x20
> > *pdpt = 0000000033f0c001 *pde = 0000000000000000
> > Oops: 0000 [#1] PREEMPT SMP
> > Modules linked in: md4 cifs ipt_LOG xt_state iptable_filter
> > ipt_MASQUERADE iptable_nat nf_nat nf_conntrack_ipv4 nf_defrag_ipv4
> > nf_conntrack psmouse r8169 [last unloaded: microcode]
> >
> > Pid: 811, comm: mount.cifs Not tainted 3.3.0-rc2+ #94 Hewlett-Packard
> > HP G61 Notebook PC/3069
> > EIP: 0060:[<c116b146>] EFLAGS: 00010207 CPU: 0
> > EIP is at strnlen+0x6/0x20
> > EAX: 00000000 EBX: f31149ac ECX: 00000000 EDX: 000000ff
> > ESI: f32a1df4 EDI: f31149b0 EBP: f1a63830 ESP: f32a1d88
> >  DS: 007b ES: 007b FS: 00d8 GS: 0033 SS: 0068
> > Process mount.cifs (pid: 811, ti=f32a0000 task=f1a78380 task.ti=f32a0000)
> > Stack:
> >  f943a9aa f3114900 9a734c2c 00000000 f1a63800 f943b64a f32a1df0 00000001
> >  c1047be2 00000000 00000001 00000000 00000001 c1087bf1 f1bfc380 c14d9a80
> >  00000000 00000007 00000001 f3da7a40 f45dc1c0 00000041 00000000 00000000
> > Call Trace:
> >  [<f943a9aa>] ? ascii_ssetup_strings.isra.7+0x3a/0xd0 [cifs]
> >  [<f943b64a>] ? CIFS_SessSetup+0xc0a/0x115c [cifs]
> >  [<c1047be2>] ? __wake_up+0x42/0x60
> >  [<c1087bf1>] ? mempool_free+0x41/0xa0
> >  [<f941937a>] ? CIFSSMBNegotiate+0x1ca/0x750 [cifs]
> >  [<f9426b3d>] ? cifs_setup_session+0x4d/0x1b0 [cifs]
> >  [<f9426ac1>] ? cifs_negotiate_protocol+0x71/0xa0 [cifs]
> >  [<f9426fb6>] ? cifs_get_smb_ses+0x316/0x4d0 [cifs]
> >  [<f94271f7>] ? cifs_mount+0x87/0x5a0 [cifs]
> >  [<f94175f6>] ? cifs_do_mount+0x66/0x460 [cifs]
> >  [<c1097150>] ? kstrndup+0x40/0x60
> >  [<f9417617>] ? cifs_do_mount+0x87/0x460 [cifs]
> >  [<c10b8c0d>] ? mount_fs+0x1d/0xd0
> >  [<c10ce616>] ? alloc_vfsmnt+0x96/0x130
> >  [<c10ce8d1>] ? vfs_kern_mount+0x51/0xd0
> >  [<c10cecef>] ? do_kern_mount+0x3f/0xe0
> >  [<c10d03d4>] ? do_mount+0x474/0x730
> >  [<c1020d90>] ? vmalloc_sync_all+0x10/0x10
> >  [<c10d07a2>] ? sys_mount+0x72/0xb0
> >  [<c13b57d0>] ? sysenter_do_call+0x12/0x26
> > Code: 26 00 00 00 00 85 c9 57 89 c7 74 07 89 d0 f2 ae 75 01 4f 89 f8
> > 5f c3 8d b4 26 00 00 00 00 8d bc 27 00 00 00 0089 c1 89 c8 eb 06 <80>
> > 38 00 74 07 40 4a 83 fa ff 75 f4 29 c8 c3 90 90 90 90 90 90
> > EIP: [<c116b146>] strnlen+0x6/0x20 SS:ESP 0068:f32a1d88
> > CR2: 0000000000000000
> > ---[ end trace 9f3a2989281718b5 ]---
> >
> > The full dmesg is attached, in case it helps.
> >
> > Let me know if I can help in any way to fix this.
> >
> > Chris
> >
> > --
> > The more I see, the more I know. The more I know, the less I
> > understand. Changing Man - Paul Weller
> 
> Does this attached patch fix the oops?

Thanks -- probably fallout from 04febabc. Looks like I missed a spot.
Patch looks correct to me:

Acked-by: Jeff Layton <jlayton-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>