Kernel BUG

Hello all,

running postgres 7.3 on an redhat linux 2.4.19 I had
the following problems this morning. One of the database
tables was completely destroyed. Every access to this
certain table led to a whole shut-down of the database.

attention kernel-list: please cc me because I am not subscribed to the list

here the trace:

ksymoops 2.4.1 on i686 2.4.19. Options used
-V (default)
-k /proc/ksyms (default)
-l /proc/modules (default)
-o /lib/modules/2.4.19/ (default)
-m /boot/System.map-2.4.19 (default)

Warning: You did not tell me where to find symbol information. I will
assume that the log matches the kernel and modules that are running
right now and I'll use the default options above for symbol resolution.
If the current kernel and/or modules do not match the log, you can get
more accurate output by telling me the kernel version and where to find
map, modules, ksyms etc. ksymoops -h explains the options.

No modules in ksyms, skipping objects
Warning (read_lsmod): no symbols in lsmod, is /proc/modules a valid lsmod file?
Dec 7 08:16:09 db2 kernel: kernel BUG at page_alloc.c:89!
Dec 7 08:16:09 db2 kernel: invalid operand: 0000
Dec 7 08:16:09 db2 kernel: CPU: 0
Dec 7 08:16:09 db2 kernel: EIP: 0010:[__free_pages_ok+33/608] Not tainted
Dec 7 08:16:09 db2 kernel: EIP: 0010:[<c012a451>] Not tainted
Using defaults from ksymoops -t elf32-i386 -a i386
Dec 7 08:16:09 db2 kernel: EFLAGS: 00010286
Dec 7 08:16:09 db2 kernel: eax: c121c39c ebx: c13c69b0 ecx: f5e14ac0 edx: c12b2dec
Dec 7 08:16:09 db2 kernel: esi: 00000000 edi: f5cc35b0 ebp: 000005de esp: dc28ded4
Dec 7 08:16:09 db2 kernel: ds: 0018 es: 0018 ss: 0018
Dec 7 08:16:09 db2 kernel: Process postmaster (pid: 24608, stackpage=dc28d000)
Dec 7 08:16:09 db2 kernel: Stack: c012484f 00000000 00000000 f6768c00 f7cc8200 0000001f 00000cca 00001000
Dec 7 08:16:09 db2 kernel: c13c69b0 f5cc35b0 000005de c01243e5 dc28df5c c13c69b0 00000000 00001000
Dec 7 08:16:09 db2 kernel: 00001000 00000000 00000000 00000000 f5cc3500 d5456e40 dc28c000 00000000
Dec 7 08:16:09 db2 kernel: Call Trace: [file_read_actor+143/208] [do_generic_file_read+549/1056] [generic_file_read+122/288] [file_read_actor+0/208] [sys_read+149/240]
Dec 7 08:16:09 db2 kernel: Call Trace: [<c012484f>] [<c01243e5>] [<c012490a>] [<c01247c0>] [<c0130b75>]
Dec 7 08:16:09 db2 kernel: [<c0117ecb>] [<c0109c6c>] [<c010878b>]
Dec 7 08:16:09 db2 kernel: Code: 0f 0b 59 00 d8 41 1f c0 8b 53 08 85 d2 74 08 0f 0b 5b 00 d8

>>EIP; c012a451 <__free_pages_ok+21/260> <=====
Trace; c012484f <file_read_actor+8f/d0>
Trace; c01243e5 <do_generic_file_read+225/420>
Trace; c012490a <generic_file_read+7a/120>
Trace; c01247c0 <file_read_actor+0/d0>
Trace; c0130b75 <sys_read+95/f0>
Trace; c0117ecb <do_softirq+4b/90>
Trace; c0109c6c <do_IRQ+9c/b0>
Trace; c010878b <system_call+33/38>
Code; c012a451 <__free_pages_ok+21/260>
00000000 <_EIP>:
Code; c012a451 <__free_pages_ok+21/260> <=====
0: 0f 0b ud2a <=====
Code; c012a453 <__free_pages_ok+23/260>
2: 59 pop %ecx
Code; c012a454 <__free_pages_ok+24/260>
3: 00 d8 add %bl,%al
Code; c012a456 <__free_pages_ok+26/260>
5: 41 inc %ecx
Code; c012a457 <__free_pages_ok+27/260>
6: 1f pop %ds
Code; c012a458 <__free_pages_ok+28/260>
7: c0 8b 53 08 85 d2 74 rorb $0x74,0xd2850853(%ebx)
Code; c012a45f <__free_pages_ok+2f/260>
e: 08 0f or %cl,(%edi)
Code; c012a461 <__free_pages_ok+31/260>
10: 0b 5b 00 or 0x0(%ebx),%ebx
Code; c012a464 <__free_pages_ok+34/260>
13: d8 00 fadds (%eax)

Dec 7 08:21:08 db2 kernel: kernel BUG at page_alloc.c:89!
Dec 7 08:21:08 db2 kernel: invalid operand: 0000
Dec 7 08:21:08 db2 kernel: CPU: 0
Dec 7 08:21:08 db2 kernel: EIP: 0010:[__free_pages_ok+33/608] Not tainted
Dec 7 08:21:08 db2 kernel: EIP: 0010:[<c012a451>] Not tainted
Dec 7 08:21:08 db2 kernel: EFLAGS: 00010286
Dec 7 08:21:08 db2 kernel: eax: 00000000 ebx: c13c69b0 ecx: f5e14ac0 edx: 00000000
Dec 7 08:21:08 db2 kernel: esi: 00000000 edi: f5cc35b0 ebp: 000005de esp: ef1d7ed4
Dec 7 08:21:08 db2 kernel: ds: 0018 es: 0018 ss: 0018
Dec 7 08:21:08 db2 kernel: Process postmaster (pid: 24634, stackpage=ef1d7000)
Dec 7 08:21:08 db2 kernel: Stack: c012484f 00000000 00000000 f6768c00 00000001 0000001f 00000cca 00001000
Dec 7 08:21:08 db2 kernel: c13c69b0 f5cc35b0 000005de c01243e5 ef1d7f5c c13c69b0 00000000 00001000
Dec 7 08:21:08 db2 kernel: 00001000 00000000 00000000 00000000 f5cc3500 cb5dd7c0 cb5dd7e0 00030002
Dec 7 08:21:08 db2 kernel: Call Trace: [file_read_actor+143/208] [do_generic_file_read+549/1056] [generic_file_read+122/288] [file_read_actor+0/208] [sys_read+149/240]
Dec 7 08:21:08 db2 kernel: Call Trace: [<c012484f>] [<c01243e5>] [<c012490a>] [<c01247c0>] [<c0130b75>]
Dec 7 08:21:08 db2 kernel: [<c0109c38>] [<c0109c5c>] [<c010878b>]
Dec 7 08:21:08 db2 kernel: Code: 0f 0b 59 00 d8 41 1f c0 8b 53 08 85 d2 74 08 0f 0b 5b 00 d8

>>EIP; c012a451 <__free_pages_ok+21/260> <=====
Trace; c012484f <file_read_actor+8f/d0>
Trace; c01243e5 <do_generic_file_read+225/420>
Trace; c012490a <generic_file_read+7a/120>
Trace; c01247c0 <file_read_actor+0/d0>
Trace; c0130b75 <sys_read+95/f0>
Trace; c0109c38 <do_IRQ+68/b0>
Trace; c0109c5c <do_IRQ+8c/b0>
Trace; c010878b <system_call+33/38>
Code; c012a451 <__free_pages_ok+21/260>
00000000 <_EIP>:
Code; c012a451 <__free_pages_ok+21/260> <=====
0: 0f 0b ud2a <=====
Code; c012a453 <__free_pages_ok+23/260>
2: 59 pop %ecx
Code; c012a454 <__free_pages_ok+24/260>
3: 00 d8 add %bl,%al
Code; c012a456 <__free_pages_ok+26/260>
5: 41 inc %ecx
Code; c012a457 <__free_pages_ok+27/260>
6: 1f pop %ds
Code; c012a458 <__free_pages_ok+28/260>
7: c0 8b 53 08 85 d2 74 rorb $0x74,0xd2850853(%ebx)
Code; c012a45f <__free_pages_ok+2f/260>
e: 08 0f or %cl,(%edi)
Code; c012a461 <__free_pages_ok+31/260>
10: 0b 5b 00 or 0x0(%ebx),%ebx
Code; c012a464 <__free_pages_ok+34/260>
13: d8 00 fadds (%eax)

2 warnings issued. Results may not be reliable.

--

Mit freundlichem Gruß

Henrik Steffen
Geschäftsführer

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