Hi all,
we have a machine here that runs quite instable, with 2.2.16 it was crashing quite often and now after a big system
update it also crashes with 2.4.17.
But at least /var/log/messages shows the following errors:
Jan 24 17:16:19 noether kernel: kernel BUG at slab.c:1200!
Jan 24 17:16:19 noether kernel: invalid operand: 0000
Jan 24 17:16:19 noether kernel: CPU: 1
Jan 24 17:16:19 noether kernel: EIP: 0010:[<c0137421>] Not tainted
Jan 24 17:16:19 noether kernel: EFLAGS: 00010082
Jan 24 17:16:19 noether kernel: eax: 0000001b ebx: c3217760 ecx: c03235ac edx: 000118e7
Jan 24 17:16:19 noether kernel: esi: 00000000 edi: f764976c ebp: f7634013 esp: f7bfbf10
Jan 24 17:16:19 noether kernel: ds: 0018 es: 0018 ss: 0018
Jan 24 17:16:19 noether kernel: Process kswapd (pid: 5, stackpage=f7bfb000)
Jan 24 17:16:19 noether kernel: Stack: c02b9ff7 000004b0 f764976c f7634013 f7635013 c3217760 c0138780 c3217760
Jan 24 17:16:19 noether kernel: f764976c f7634013 00000020 000001d0 00000020 00000006 f7ba2000 00001000
Jan 24 17:16:19 noether kernel: f7634013 c3217784 c03a9bc8 c3217770 00000006 c32231a4 c322316c 00000000
Jan 24 17:16:19 noether kernel: Call Trace: [<c0138780>] [<c013a1d8>] [<c013a27c>] [<c013a313>] [<c013a36e>]
Jan 24 17:16:19 noether kernel: [<c013a47d>] [<c01056e4>]
Jan 24 17:16:19 noether kernel:
Jan 24 17:16:19 noether kernel: Code: 0f 0b 83 c4 08 8b 5f 14 83 fb ff 74 23 89 f6 39 f3 75 14 68
Machine is dual processor PentiumIII-800 (kernel booting protocol is attached).
About half an hour before the crash we got the following message:
Jan 24 16:35:00 noether kernel: mtrr: Serverworks LE detected. Write-combining disabled.
Jan 24 16:35:00 noether kernel: mtrr: your processor doesn't support write-combining
Jan 24 16:35:00 noether kernel: mtrr: Serverworks LE detected. Write-combining disabled.
Jan 24 16:35:00 noether kernel: mtrr: your processor doesn't support write-combining
Currently I'm doing a memory check but I'm not sure if memtest86 is able to detect any errors, since ECC-RAM is installed.
The machine has 2GB RAM + 1GB SWAP, I hope that I have compiled it with 4GB support
(but the line from boot.msg "1023MB HIGHMEM available" confuses me).
The machine was crashing when a memory allocation test was running.
Perhaps one of you can help me to debug the problem (please tell me if you need further information).
Thanks in advance,
Bernd
-- Bernd Schubert Physikalisch Chemisches Institut Abt. Theoretische Chemie INF 229, 69120 Heidelberg Tel.: 06221/54-5210 e-mail: bernd.schubert@tc.pci.uni-heidelberg.de
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