linux-kernel - Re: [BUG] Something goes wrong with timer statistics.

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Message-ID: <20070531235313.GC19353@atjola.homenet>
Date:	Fri, 1 Jun 2007 01:53:13 +0200
From:	Björn Steinbrink <B.Steinbrink@....de>
To:	Stephane Casset <sept@...idee.com>
Cc:	linux-kernel@...r.kernel.org
Subject: Re: [BUG] Something goes wrong with timer statistics.

On 2007.05.30 02:13:50 +0200, Stephane Casset wrote:
> Le Tue, May 29, 2007 at 11:38:48PM +0200, Ian Kumlien écrivait :
> > Hi, 
> > 
> > As the daystar sets, i try to play some with my new would be
> > firewall/server, but since this will be running for quite some time i
> > have been experimenting with powertop to find out what i can do to limit
> > it's power usage.
> > 
> > But, if i run powertop for too long or a few times to many... this
> > happens:
> > http://pomac.netswarm.net/pics/kernel_panic.jpg
> > 
> > If i don't run powertop, it is rock solid... Compiling for hours,
> > running memtest for hours etc etc... 
> 
> Same here, P4 HT, if I run powertop for 5-10 minutes the system crash :(
> It happens with 2.6.22-rc{2,3} at least :( I didn't try before.
> 
> I don't have a oops since the last crash was in X, but next time I will
> try to catch it. If there is any patch around to fix this I am willing
> to test.

There is finally one that seems to work:
http://lkml.org/lkml/2007/5/31/394

I'd be glad if you could give it a try.

Thanks,
Björn
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