linux-kernel - Re: Linux 2.6.21-rc1

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Message-Id: <1172231235.25076.251.camel@localhost.localdomain>
Date:	Fri, 23 Feb 2007 12:47:14 +0100
From:	Thomas Gleixner <tglx@...utronix.de>
To:	Ingo Molnar <mingo@...e.hu>
Cc:	Andrew Morton <akpm@...ux-foundation.org>, dwalker@...sta.com,
	torvalds@...ux-foundation.org, linux-kernel@...r.kernel.org
Subject: Re: Linux 2.6.21-rc1

On Fri, 2007-02-23 at 12:35 +0100, Ingo Molnar wrote:
> * Andrew Morton <akpm@...ux-foundation.org> wrote:
> 
> > I already bisected this on my old pIII, which has the same problem: 
> > clockevents-i386-drivers.patch
> 
> yes - we know what the problem is (and will fix it): the stopping of the 
> PIT - nmi_watchdog=1 is hack to use the IO-APIC's PIT pin to also signal 
> NMIs.
> 
> Just to clarify, this problem does not occur if HIGH_RES_TIMERS is off, 
> correct?

It does, as we switch off PIT when lapic is available in any case.

	tglx


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