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From: Bubba <bp@dynastytech.com>
To: linux-kernel@vger.kernel.org
Subject: Re: CPU failures ... or something else ?
Date: Wed, 25 Dec 2002 20:02:24 -0600
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Cc: Josh Brooks <user@mail.econolodgetulsa.com>
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try turning off the Machine Check Exception in the kernel as it is just buggy 
on some machines, not necessarily a bug in the kernel, or without 
recompiling, use the kernel param "nomce"

On Wednesday 25 December 2002 19:53, Josh Brooks wrote:
> Hello,
>
> I have a dual p3 866 running 2.4 kernel that is crashing once every few
> days leaving this on the console:
>
>
> Message from syslogd@localhost at Tue Dec 24 11:30:31 2002 ...
> localhost kernel: CPU 1: Machine Check Exception: 0000000000000004
>
> Message from syslogd@localhost at Tue Dec 24 11:30:32 2002 ...
> localhost kernel: Bank 4: b200000000040151
>
> Message from syslogd@localhost at Tue Dec 24 11:30:32 2002 ...
> localhost kernel: Kernel panic: CPU context corrupt
>
>
>
> Word on the street is that this indicates hardware failure of some kind
> (cpu, bus, or memory).  My main question is, is that very surely the
> culprit, or is it also possible that all of the hardware is perfect and
> that a bug in the kernel code or some outside influence (remote exploit)
> is causing this crash ?
>
> Basically, I am ordering all new hardware to swap out, and I just want to
> know if there is some remote possibility that my hardware is actually just
> fine and this is some kind of software error ?
>
> ALSO, I have not been physically at the console when this has happened,
> and have not tried this yet, but whatever that thing is where you press
> ctrl-alt-printscreen and get to enter those post-crash commands - do you
> think that would work in this situation, or does the above error hard lock
> the system so you can't do those emergency measures ?
>
> thanks!
>
>
> -
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