Re: MCE Errors, Bad CPU, Memory or Motherboard?

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On Fri, 10 Mar 2006 06:44:46 -0500 (EST) Justin Piszcz wrote:

> This is the first time I have seen an MCE error, googling the EIP value at 
> the time of the panic does not return any useful results.
> 
> Does anyone know whether it is the CPU or MEMORY that is bad in this 
> machine?  As it shows some problems with BANK4; however, if the CPU is 
> bad, then it is possible to get all sorts of unpredictable results, right?
> 
> Dec  9 23:21:25 box  CPU 0: Machine Check Exception
> Dec  9 23:21:25 box  Bank 4: f62ba001c0080813 at 00000000a6e6c2c0
> Dec  9 23:21:25 box  Kernel panic: CPU context corrupt
> Dec  9 23:21:25 box kernel: CPU 0
> Dec  9 23:21:25 box kernel: CPU 0
> Dec  9 23:21:25 box kernel: Bank 4
> Dec  9 23:21:25 box kernel: Bank 4
> Dec  9 23:21:25 box kernel: Kernel panic
> Dec  9 23:21:25 box kernel: Kernel panic
> Dec  9 23:21:26 box  kernel BUG at panic.c:66!
> Dec  9 23:21:26 box  invalid operand: 0000
> Dec  9 23:21:26 box  CPU:    0
> Dec  9 23:21:26 box  EIP:    0010
> Dec  9 23:21:26 box  EFLAGS: 00010282
> Dec  9 23:21:26 box  eax: f895c1d0   ebx
> Dec  9 23:21:26 box  esi: 00000415   edi
> Dec  9 23:21:26 box  ds: 0018   es
> Dec  9 23:21:26 box  Process java (pid: 6852, stackpage=e0ec5000)
> Dec  9 23:21:26 box  Stack: 04000000 e0ec5fa4 c010fc28 c02942b8 00000005 
> c0080813 00000417 00000416
> Dec  9 23:21:26 box         00000005 00000000 00000004 e0ec4000 00000000 
> c010fd00 e0ec5fb4 c010fd11
> Dec  9 23:21:26 box         e0ec5fc4 00000000 bfffc090 c0108ed4 e0ec5fc4 
> 00000000 00000023 44841510
> Dec  9 23:21:26 box  Call Trace:    [<c010fc28>] [<c010fd00>] [<c010fd11>] 
> [<c0108ed4>]
> Dec  9 23:21:26 box
> Dec  9 23:21:26 box  Code: 0f 0b 42 00 28 6a 29 c0 b9 00 e0 ff ff 21 e1 8b 
> 51 30 c1 e2

I suppose you tried the obvious tools (parsemce and maybe mcelog)...

http://www.codemonkey.org.uk/projects/parsemce/
ftp://ftp.x86-64.org/pub/linux-x86_64/tools/mcelog/

---
~Randy
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