* Ingo Molnar <[email protected]> wrote:
>
> * Andrew Morton <[email protected]> wrote:
>
> > From: Akinobu Mita <[email protected]>
> >
> > With nmi_watchdog=1, I got random Oopses (Unable to handle kernel
> > paging request, not by the NMI oopser) from many processes. It is not
> > happend with -rc1.
> >
> > The following change fixes this problem.
>
> this fixed my crashes too.
spoke too soon - they still trigger even with the patch applied.
Ingo
Unable to handle kernel paging request at virtual address f543c000
printing eip:
c010287c
*pde = 00516067
*pte = 3543c000
Oops: 0000 [#1]
PREEMPT DEBUG_PAGEALLOC
Modules linked in:
CPU: 0
EIP: 0060:[<c010287c>] Not tainted VLI
EFLAGS: 00010046 (2.6.12-rc2)
EIP is at restore_all+0x4/0x18
eax: 00000202 ebx: 009b63f9 ecx: 00000000 edx: 00000001
esi: 009b63f9 edi: 00000001 ebp: f543a000 esp: f543bfc8
ds: 007b es: 007b ss: 0068
Process udevd (pid: 1044, threadinfo=f543a000 task=f5412b10)
Stack: 009b63f9 00000000 000001b6 009b63f9 00000001 bf8c503c 00000005 0000007b
0000007b ffffff00 c01027ba 00000060 00000202 0000007b
Call Trace:
[<c010368c>] show_stack+0x7a/0x90
[<c0103808>] show_registers+0x14d/0x1c5
[<c0103a06>] die+0xf4/0x186
[<c010f2ad>] do_page_fault+0x430/0x649
[<c01032eb>] error_code+0x4f/0x54
Code: 00 00 3d 21 01 00 00 0f 83 1a 01 00 00 ff 14 85 00 39 40 c0 89 44 24 18 fa 8b 4d 08 66 f7 c1 ff fe 0f 85 c0 00 00 00 8b 44 24 30 <8a> 64 24 38 8a 44 24 2c 25 03 04 02 00 3d 03 04 00 00 74 0d 5b
printing eip:
*EIP: 0060:[<c010287c>] Not tainted VLI
EFLAGS: 00010046 (2.6.12-rc2)
EIP is at restore_all+0x4/0x18
eax: 00000206 ebx: 080d1502 ecx: 00000000 edx: 00000001
esi: 080ec058 edi: 080e8b6e ebp: f5e38000 esp: f5e39fc8
ds: 007b es: 007b ss: 0068
Process rc.sysinit (pid: 3032, threadinfo=f5e38000 task=f5913b10)
Stack: 080d1502 bff73ff0 009c0ffc 080ec058 080e8b6e bff73fb4 000000c3 0000007b
0000007b ffffff00 c01027ba 00000060 00000206 0000007b
Call Trace:
[<c010368c>] show_stack+0x7a/0x90
[<c0103808>] show_registers+0x14d/0x1c5
[<c0103a06>] die+0xf4/0x186
[<c010f2ad>] do_page_fault+0x430/0x649
[<c01032eb>] error_code+0x4f/0x54
Code: 00 00 3d 21 01 00 00 0f 83 1a 01 00 00 ff 14 85 00 39 40 c0 89 44 24 18 fa 8b 4d 08 66 f7 c1 ff fe 0f 85 c0 00 00 00 8b 44 24 30 <8a> 64 24 38 8a 44 24 2c 25 03 04 02 00 3d 03 04 00 00 74 0d 5b
<6>EXT3 FS on hdb1, internal journal
cdrom: open failed.
Adding 1052216k swap on /dev/hdb2. Priority:-1 extents:1
eth1: link up, 100Mbps, full-duplex, lpa 0x45E1
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