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From: Dominik Kubla <dominik@kubla.de>
To: Chris Wedgwood <cw@f00f.org>, Larry McVoy <lm@work.bitmover.com>,
       linux-kernel@vger.kernel.org
Subject: Re: ECC error in 2.5.64 + some patches
Date: Thu, 27 Mar 2003 18:19:41 +0100
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Am Donnerstag, 27. M?rz 2003 18:00 schrieb Chris Wedgwood:

> > Message from syslogd@slovax at Thu Mar 27 05:53:49 2003 ...
> > slovax kernel: Bank 1: 9000000000000151
>
> Status: (9000000000000151) Restart IP valid.
>
> *Exactly* what this means I don't know --- but I'm guessing the CPU is
> overheating.  Check fans, air-flow, etc. and see if that helps.  So
> far whenever I've seen the above problem it's *ALWAYS* been related to
> the CPU getting too hot.

Well the internal busses and buffers of modern CPU's and in many cases also 
the on-die caches have ECC logic.  And if i should hazard a guess: "Restart 
IP valid" => Restarted Instruction Pre-Fetch resulted in a valid state of the 
pre-fetch queue.

In Larry's case i'd remove the cpu cooler, clean everything and reassemble, 
since i would assume that there is a hot-spot on the die.

Regards,
  Dominik
-- 
Be at war with your voices, at peace with your neighbors, and let every new
year find you a better man. (Benjamin Franklin, 1706-1790)

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