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Subject: Re: Debugging hard lockups (hardware?)
From: Alan Cox <alan@lxorguk.ukuu.org.uk>
To: Arador <diegocg@teleline.es>
Cc: nicku@vtc.edu.hk, Linux Kernel Mailing List <linux-kernel@vger.kernel.org>
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Date: 06 Apr 2003 22:04:55 +0100
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On Sul, 2003-04-06 at 21:29, Arador wrote:
> I've a similar hang; no oops; no sysrq; no NMI messages;
> But mine only happens under 2.5; since long time ago.
> The one strange thing is that it seems that it's not hanged;
> since the X pointer moves in 3-5 seconds intervals (it even
> change the shape in the window's corners).

So its not hanging, but acting like something gets burning
CPU. If you can duplicate this in non X next time it occurs
use right-alt or shift or ctrl and scrolllock get some data
on what its doing.