linux-kernel - Re: 2.6.18-rt1

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Message-Id: <1161096395.2919.57.camel@mindpipe>
Date:	Tue, 17 Oct 2006 10:46:35 -0400
From:	Lee Revell <rlrevell@...-job.com>
To:	dipankar@...ibm.com
Cc:	Karsten Wiese <annabellesgarden@...oo.de>,
	Ingo Molnar <mingo@...e.hu>, linux-kernel@...r.kernel.org,
	Thomas Gleixner <tglx@...utronix.de>,
	John Stultz <johnstul@...ibm.com>,
	"Paul E. McKenney" <paulmck@...ibm.com>,
	Arjan van de Ven <arjan@...radead.org>
Subject: Re: 2.6.18-rt1

On Sat, 2006-10-14 at 03:46 +0530, Dipankar Sarma wrote:
> > FWIW, I am also seeing hard lockups every 12-24 hours but the box is
> > headless and I don't have the bandwidth to debug these further.  It
> was
> > stable with 2.6.17-rt*.
> 
> Can you try whatever you were doing with nmi_watchdog=0 ? If it is
> stable, then that would explain the problem. I believe Andi enabled
> nmi watchdog on x86_64 by default recently, that might be why
> we are seeing it now. 

Looks like that was the problem, the hard lockups are gone.

Lee

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