Re: CPU failures ... or something else ?

[Felipe W Damasio]

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