Re: CPU failures ... or something else ?

From: Felipe W Damasio (felipewd@terra.com.br)
Date: Wed Dec 25 2002 - 20:41:57 EST


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 ?

        Instruction fetch error from the level 1 cache...I've seen this before
(check the archives). This indicates either a memory or a processor problem.

        Could you please run memtest86?

        Thanks.

Felipe

-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/



This archive was generated by hypermail 2b29 : Tue Dec 31 2002 - 22:00:08 EST