Re: Machine Check Exception: 0...04

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On 18/06/07, Mr. James W. Laferriere <[email protected]> wrote:
        Hello All ,  As a continuation .

On Sat, 16 Jun 2007, Mr. James W. Laferriere wrote:
>       Hello All ,  Does anoyone know howto identify a cause for these(*) ?
>       Or of any tools to help in the identification of the cause ?
>       So far the Machine checks only happen when I am running bonnie++
> against
>       my software raid6 array .
>
>       I have done everything I know to do to attempt to ascertain what is
>       causing the machine checks .
>       ie:
> 1)    memtest86+ for days ,  no errors .
> 2)    cpuburnP6 ,  The tests run were 'cpuburnP6 E' & 'cpuburnP6 H' for ~
>       60 minutes each .  All CPU's & HT were at 96+<->100% for 60+ Minutes
> ,
>       no excessive heating or lockups . In single user mode of course .
>       I know cpuburn is old but it can excersize the comms between l1 & cpu
>       & l1 & l2 -> cpu if done right .
>
> (*)
> CPU 5: Machine Check Exception: 0000000000000004
> CPU 4: Machine Check Exception: 0000000000000004
> Kernel panic - not syncing: Unable to continue
> <system reboots>
>

An MCE is an error reported by the hardware. It is most likely not a
software problem, not much kernel people can do about it.

Google for "parsemce.c" to find a program that'll decode most MCE's for you.

You may also want to contact your hardware vendor to get an exact
explanation for the error.

--
Jesper Juhl <[email protected]>
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