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SubjectOops after 60 days uptime
Date
Hi folks,

we got a strange problem.
After approx 60 days uptime, we get an oops.

Seems it is in low memory...

Any ideas?


Robert

Here it is:

mymachine:/var/log # ksymoops < messages
ksymoops 2.4.3 on i686 2.4.18-4GB. Options used
-V (default)
-k /proc/ksyms (default)
-l /proc/modules (default)
-o /lib/modules/2.4.18-4GB/ (default)
-m /boot/System.map-2.4.18-4GB (default)

Feb 3 06:24:13 mymachine kernel: Unable to handle kernel NULL pointer
dereference at
virtual address 000001c4
Feb 3 06:24:13 mymachine kernel: c0130ac0
Feb 3 06:24:13 mymachine kernel: *pde = 00000000
Feb 3 06:24:13 mymachine kernel: Oops: 0002
Feb 3 06:24:13 mymachine kernel: CPU: 0
Feb 3 06:24:13 mymachine kernel: EIP: 0010:[rmqueue+212/668] Not
tainted
Feb 3 06:24:13 mymachine kernel: EFLAGS: 00010016
Feb 3 06:24:13 mymachine kernel: eax: 00000e27 ebx: 0000389c ecx:
c02b1618 edx
: 00000000
Feb 3 06:24:13 mymachine kernel: esi: c10d9d60 edi: 00000001 ebp:
c02b15d0 esp
: ce6a7efc
Feb 3 06:24:13 mymachine kernel: ds: 0018 es: 0018 ss: 0018
Feb 3 06:24:13 mymachine kernel: Process sshd (pid: 537,
stackpage=ce6a7000)
Feb 3 06:24:13 mymachine kernel: Stack: c02b1774 00000001 00000001 00000002
ce6a7f74
c19391c0 00000296 c02b1618
Feb 3 06:24:13 mymachine kernel: 00000001 c02b15d0 c0130eda 000001f0
00000000
00000001 00000011 c02b15d0
Feb 3 06:24:13 mymachine kernel: c63705c0 ce6a7f7f 0000000c c02b15d0
c02b1770
00000005 c0131103 000001f0
Feb 3 06:24:13 mymachine kernel: Call Trace: [_wrapped_alloc_pages+110/648]
[__alloc
_pages+15/140] [__get_free_pages+29/44] [do_fork+95/1936] [sys_pipe+21/88]
Feb 3 06:24:13 mymachine kernel: Code: 0f bb 02 8b 4c 24 20 8b 6c 24 24 b8
01 00 00
00 d3 e0 29 45
Using defaults from ksymoops -t elf32-i386 -a i386

Code; 00000000 Before first symbol
00000000 <_EIP>:
Code; 00000000 Before first symbol
0: 0f bb 02 btc %eax,(%edx)
Code; 00000002 Before first symbol
3: 8b 4c 24 20 mov 0x20(%esp,1),%ecx
Code; 00000006 Before first symbol
7: 8b 6c 24 24 mov 0x24(%esp,1),%ebp
Code; 0000000a Before first symbol
b: b8 01 00 00 00 mov $0x1,%eax
Code; 00000010 Before first symbol
10: d3 e0 shl %cl,%eax
Code; 00000012 Before first symbol
12: 29 45 00 sub %eax,0x0(%ebp)

Feb 3 06:24:13 mymachine kernel: <1>Unable to handle kernel NULL pointer
dereferenc
e at virtual address 000006b4
Feb 3 06:24:13 mymachine kernel: c0130946
Feb 3 06:24:13 mymachine kernel: *pde = 00000000
Feb 3 06:24:13 mymachine kernel: Oops: 0002
Feb 3 06:24:13 mymachine kernel: CPU: 0
Feb 3 06:24:13 mymachine kernel: EIP: 0010:[__free_pages_ok+758/924]
Not taint
ed
Feb 3 06:24:13 mymachine kernel: EFLAGS: 00010083
Feb 3 06:24:13 mymachine kernel: eax: c02b1618 ebx: 0000e6a1 ecx:
000035a8 edx
: 00000000
Feb 3 06:24:13 mymachine kernel: esi: 00001000 edi: 0000d6a0 ebp:
c12b3e50 esp
: ce6a7d04
Feb 3 06:24:13 mymachine kernel: ds: 0018 es: 0018 ss: 0018
Feb 3 06:24:13 mymachine kernel: Process sshd (pid: 537,
stackpage=ce6a7000)
Feb 3 06:24:13 mymachine kernel: Stack: c03022a0 c12b3e20 00060400 00060400
0001e7f0
00001000 c12b3e20 c02b15d0
Feb 3 06:24:13 mymachine kernel: c1030020 c02b1618 00000216 fffffffe
000035a8
c0131201 c0131e33 00005000
Feb 3 06:24:13 mymachine kernel: ce6a490c 00007000 c012571a 00060400
ce00d620
c185c800 4023e000 00007000
Feb 3 06:24:13 mymachine kernel: Call Trace: [__free_pages+29/32]
[free_swap_and_cac
he+99/104] [zap_page_range+506/732] [exit_mmap+181/280] [mmput+57/80]
Feb 3 06:24:13 mymachine kernel: Code: 0f bb 0a 19 c0 85 c0 0f 85 cd fe ff
ff 8b 4c
24 24 8d 04 7f

Code; 00000000 Before first symbol
00000000 <_EIP>:
Code; 00000000 Before first symbol
0: 0f bb 0a btc %ecx,(%edx)
Code; 00000002 Before first symbol
3: 19 c0 sbb %eax,%eax
Code; 00000004 Before first symbol
5: 85 c0 test %eax,%eax
Code; 00000006 Before first symbol
7: 0f 85 cd fe ff ff jne fffffeda <_EIP+0xfffffeda> fffffeda
<EN
D_OF_CODE+31b012bc/????>
Code; 0000000c Before first symbol
d: 8b 4c 24 24 mov 0x24(%esp,1),%ecx
Code; 00000010 Before first symbol
11: 8d 04 7f lea (%edi,%edi,2),%eax

Feb 3 06:24:13 mymachine kernel: <1>Unable to handle kernel NULL pointer
dereferenc
e at virtual address 000006b4
Feb 3 06:24:13 mymachine kernel: c0130946
Feb 3 06:24:13 mymachine kernel: *pde = 00000000
Feb 3 06:24:13 mymachine kernel: Oops: 0002
Feb 3 06:24:13 mymachine kernel: CPU: 0
Feb 3 06:24:13 mymachine kernel: EIP: 0010:[__free_pages_ok+758/924]
Not taint
ed
Feb 3 06:24:13 mymachine kernel: EFLAGS: 00010083
Feb 3 06:24:13 mymachine kernel: eax: c02b1618 ebx: 00283f20 ecx:
000035a9 edx
: 00000000
Feb 3 06:24:13 mymachine kernel: esi: 00000001 edi: 0000d6a6 ebp:
c15f1f80 esp
: c15f1f3c
Feb 3 06:24:13 mymachine kernel: ds: 0018 es: 0018 ss: 0018
Feb 3 06:24:13 mymachine kernel: Process init (pid: 1, stackpage=c15f1000)
Feb 3 06:24:13 mymachine kernel: Stack: ce6a6000 00000219 c15f0000 c15f1f80
00000219
00000000 0000000b c02b15d0
Feb 3 06:24:13 mymachine kernel: c1030020 c02b1618 00000217 fffffffe
000035a9
c0131201 c0131221 c011b446
Feb 3 06:24:13 mymachine kernel: ce6a6000 bffff520 c011c046 ce6a6000
c15f0000
00000000 bffff520 bffff4e4
Feb 3 06:24:13 mymachine kernel: Call Trace: [__free_pages+29/32]
[free_pages+29/32]
[release_task+342/364] [sys_wait4+790/928] [system_call+51/64]
Feb 3 06:24:13 mymachine kernel: Code: 0f bb 0a 19 c0 85 c0 0f 85 cd fe ff
ff 8b 4c
24 24 8d 04 7f

Code; 00000000 Before first symbol
00000000 <_EIP>:
Code; 00000000 Before first symbol
0: 0f bb 0a btc %ecx,(%edx)
Code; 00000002 Before first symbol
3: 19 c0 sbb %eax,%eax
Code; 00000004 Before first symbol
5: 85 c0 test %eax,%eax
Code; 00000006 Before first symbol
7: 0f 85 cd fe ff ff jne fffffeda <_EIP+0xfffffeda> fffffeda
<EN
D_OF_CODE+31b012bc/????>
Code; 0000000c Before first symbol
d: 8b 4c 24 24 mov 0x24(%esp,1),%ecx
Code; 00000010 Before first symbol
11: 8d 04 7f lea (%edi,%edi,2),%eax

Feb 3 06:24:13 mymachine kernel: <0>Kernel panic: Attempted to kill init!
Feb 3 08:33:34 mymachine kernel: 8139too Fast Ethernet driver 0.9.24

1 warning issued. Results may not be reliable.
mymachine:/var/log #

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