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My Linux box boots and runs for quite a while, then suddenly freezes and may show this message. Most often I can find it only in the syslog file. I ran memtest86 : all goes well. I tried parsemce, it doesn't explain where could be the problem. I tried to decode this MC exception using the Intel software developper's manual volume 3, but I must say it is very difficult for me as I don't know intel families (06H or 0FH) and what is exactly reported in the bank 0. (IA32_MCi_STATUS MSRs ?) So at the end of the bridge I never managed to do it Is there somewhere a more detailed explanation of what occur ? Could somebody help me on this ? Thank you in advance for any help. My processor is a Intel pentium 4 at 1.5Ghz the kernel release is 2.6.8.1-24mdk Here is the syslog message : Mar 7 20:19:37 phlsys kernel: CPU 0: Machine Check Exception: 0000000000000004 Mar 7 20:19:37 phlsys kernel: CPU 0: EIP: 0835f295 EFLAGS: 00003202 Mar 7 20:19:37 phlsys kernel: eax: 086af408 ebx: 00808080 ecx: 086aea58 edx: 00000002 Mar 7 20:19:37 phlsys kernel: esi: 00000000 edi: 0000010b ebp: bffff118 esp: bffff0e4 Mar 7 20:19:37 phlsys kernel: Bank 0: a200000084010400 Mar 7 20:19:37 phlsys kernel: Kernel panic: CPU context corrupt here is what it is decoded by parsemce CPU 0 Status: (4) Machine Check in progress. Restart IP invalid. Thank you in advance for any help. PhiL |
