Date: Fri, 23 Feb 2007 02:08:29 -0800
From: Andrew Morton <akpm@linux-foundation.org>
To: tglx@linutronix.de
Cc: dwalker@mvista.com, torvalds@linux-foundation.org,
       linux-kernel@vger.kernel.org, mingo@elte.hu
Subject: Re: Linux 2.6.21-rc1
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> On Wed, 21 Feb 2007 18:41:11 +0100 Thomas Gleixner <tglx@linutronix.de> wrote:
> On Wed, 2007-02-21 at 09:19 -0800, Daniel Walker wrote:
> > > At this point the PIT / HPET _is_ active and incrementing jiffies. The
> > > switch to local apic timers happens afterwards. 
> > 
> > Could be the switch over then which confuses the NMI . 
> 
> Why? The switch just stops the PIT/HPET. It does not fiddle with IO_APIC
> and friends at all.
> 
> > ftp://source.mvista.com/pub/dwalker/tglx/
> 
> Nothing obvious. Bisect time :(
> 

I already bisected this on my old pIII, which has the same problem:
clockevents-i386-drivers.patch
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