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