Subject: Re: nmi_watchdog=2 regression in 2.6.21
From: Daniel Walker <dwalker@mvista.com>
To: =?ISO-8859-1?Q?Bj=F6rn?= Steinbrink <B.Steinbrink@gmx.de>
Cc: eranian@hpl.hp.com, ak@suse.de, linux-kernel@vger.kernel.org
In-Reply-To: <20070808142059.GF30805@atjola.homenet>
References: <1186531609.22044.50.camel@imap.mvista.com>
	 <20070808142059.GF30805@atjola.homenet>
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Date: Wed, 08 Aug 2007 08:20:45 -0700
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On Wed, 2007-08-08 at 16:20 +0200, Björn Steinbrink wrote:
> On 2007.08.07 17:06:49 -0700, Daniel Walker wrote:
> > 
> > This patch below hangs my system on boot if I set nmi_watchdog=2 . It
> > shows the NMI as stuck then the system hangs .. nmi_watchdog=1 works
> > fine, and the system boots without any watchdog options ..
> > 
> > The machine is an Intel allagash development board, and it has two dual
> > core Pentium-M cpus. I attached the .config I used.
> 
> Should be fixed in commit e82f64e5bb0648a13630d752c35be1e7bd8bab96
> (2.6.23-rc1 IIRC).
> 
> Unfornately it didn't make it into 2.6.22, but the patch should work
> even with 2.6.21 IIRC.

I originally found the problem in 2.6.23-rc2 (actually latest git) so
whatever the problem is still exists ..

Daniel

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