Hi
we found in logs a oops and here are the results from
ksymoops (2.4.1)
Unable to handle kernel NULL pointer dereference at
virtual address 00000004
c012db89
*pde = 00000000
Oops: 0002
CPU: 0
EIP: 0010:[<c012db89>]
Using defaults from ksymoops -t elf32-i386 -a i386
EFLAGS: 00010246
eax: 00000000 ebx: c00725c0 ecx: c00725c0 edx:
00000004
esi: c00725c0 edi: c00725c0 ebp: 00000000 esp:
c10a9f70
ds: 0018 es: 0018 ss: 0018
Process kswapd (pid: 3, stackpage=c10a9000)
Stack: c0130092 c00725c0 c1076e94 c1076e78 c025eb90
00000027 c00725c0 00000003
c0126cb1 c1076e78 00000000 00000000 00000004
00000000 0008e000 00000000
00000000 00000004 00000000 0000003c c0127551
00000004 00000000 c10a8000
Call Trace: [<c0130092>] [<c0126cb1>] [<c0127551>]
[<c01275df>] [<c0105000>] [<c
0105463>]
Code: 89 02 c7 41 30 00 00 00 00 31 c0 66 8b 41 0a 50
51 e8 0d ffUnable to handle kernel NULL pointer
dereference at virtual address 00000004
c012db89
*pde = 00000000
Oops: 0002
CPU: 0
EIP: 0010:[<c012db89>]
Using defaults from ksymoops -t elf32-i386 -a i386
EFLAGS: 00010246
eax: 00000000 ebx: c00725c0 ecx: c00725c0 edx:
00000004
esi: c00725c0 edi: c00725c0 ebp: 00000000 esp:
c10a9f70
ds: 0018 es: 0018 ss: 0018
Process kswapd (pid: 3, stackpage=c10a9000)
Stack: c0130092 c00725c0 c1076e94 c1076e78 c025eb90
00000027 c00725c0 00000003
c0126cb1 c1076e78 00000000 00000000 00000004
00000000 0008e000 00000000
00000000 00000004 00000000 0000003c c0127551
00000004 00000000 c10a8000
Call Trace: [<c0130092>] [<c0126cb1>] [<c0127551>]
[<c01275df>] [<c0105000>] [<c
0105463>]
Code: 89 02 c7 41 30 00 00 00 00 31 c0 66 8b 41 0a 50
51 e8 0d ff
>>EIP; c012db89 <__remove_from_queues+19/34> <=====
Trace; c0130092 <try_to_free_buffers+76/164>
Trace; c0126cb1 <page_launder+329/810>
Trace; c0127551 <do_try_to_free_pages+1d/58>
Trace; c01275df <kswapd+53/e0>
Trace; c0105000 <prepare_namespace+0/8>
Code; c012db89 <__remove_from_queues+19/34>
00000000 <_EIP>:
Code; c012db89 <__remove_from_queues+19/34> <=====
0: 89 02 movl %eax,(%edx)
<=====
Code; c012db8b <__remove_from_queues+1b/34>
2: c7 41 30 00 00 00 00 movl
$0x0,0x30(%ecx)
Code; c012db92 <__remove_from_queues+22/34>
9: 31 c0 xorl %eax,%eax
Code; c012db94 <__remove_from_queues+24/34>
b: 66 8b 41 0a movw 0xa(%ecx),%ax
Code; c012db98 <__remove_from_queues+28/34>
f: 50 pushl %eax
Code; c012db99 <__remove_from_queues+29/34>
10: 51 pushl %ecx
Code; c012db9a <__remove_from_queues+2a/34>
11: e8 0d ff 00 00 call ff23
<_EIP+0xff23> c013daac <d_invalidate+44/60>>>EIP;
c012db89 <__remove_from_queues+19/34> <=====
Trace; c0130092 <try_to_free_buffers+76/164>
Trace; c0126cb1 <page_launder+329/810>
Trace; c0127551 <do_try_to_free_pages+1d/58>
Trace; c01275df <kswapd+53/e0>
Trace; c0105000 <prepare_namespace+0/8>
Code; c012db89 <__remove_from_queues+19/34>
00000000 <_EIP>:
Code; c012db89 <__remove_from_queues+19/34> <=====
0: 89 02 movl %eax,(%edx)
<=====
Code; c012db8b <__remove_from_queues+1b/34>
2: c7 41 30 00 00 00 00 movl
$0x0,0x30(%ecx)
Code; c012db92 <__remove_from_queues+22/34>
9: 31 c0 xorl %eax,%eax
Code; c012db94 <__remove_from_queues+24/34>
b: 66 8b 41 0a movw 0xa(%ecx),%ax
Code; c012db98 <__remove_from_queues+28/34>
f: 50 pushl %eax
Code; c012db99 <__remove_from_queues+29/34>
10: 51 pushl %ecx
Code; c012db9a <__remove_from_queues+2a/34>
11: e8 0d ff 00 00 call ff23
<_EIP+0xff23> c013daac <d_invalidate+44/60>
Well ?
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