Re: CPU context corrupt?

H. Peter Anvin (hpa@zytor.com)
4 Sep 2001 18:03:11 -0700


Followup to: <999606788.1571.12.camel@hamlet>
By author: Aquila <aquila@hypox.org>
In newsgroup: linux.dev.kernel
>
> Hi
>
> I have had this problem quite a while now: when playing tribes2 or when
> a particular CPU intensive xscreensaver is running, X would often hang.
> I used to be able to ssh from another box or use SysRq-K to kill X and
> restart (but I never figured out what the problem was).
>
> Ever since upgrading to 2.4.9-ac3 (from 2.4.8-ac5 I believe), whenever
> it hangs in X the computer would beep and give this message in syslog:
>
> Sep 4 21:43:41 hamlet kernel: CPU 0: Machine Check Exception:
> 0000000000000004
> Sep 4 21:43:41 hamlet kernel: Bank 1: f600200000000152 at
> 7600200000000152
> Sep 4 21:43:41 hamlet kernel: Bank 2: d40040000000017a at
> 540040000000017a
> Sep 4 21:43:41 hamlet kernel: Kernel panic: CPU context corrupt
>
> It hangs there, and SysRq-K is no longer able to kill X properly. sshd
> stops working as well. What does this message mean? Do I have faulty
> hardware?
>

Yes.

-hpa

-- 
<hpa@transmeta.com> at work, <hpa@zytor.com> in private!
"Unix gives you enough rope to shoot yourself in the foot."
http://www.zytor.com/~hpa/puzzle.txt	<amsp@zytor.com>
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