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From: Dipankar Sarma <dipankar@in.ibm.com>
To: Lee Revell <rlrevell@joe-job.com>
Cc: Karsten Wiese <annabellesgarden@yahoo.de>,
	Ingo Molnar <mingo@elte.hu>,
	linux-kernel@vger.kernel.org,
	Thomas Gleixner <tglx@linutronix.de>,
	John Stultz <johnstul@us.ibm.com>,
	"Paul E. McKenney" <paulmck@us.ibm.com>,
	Arjan van de Ven <arjan@infradead.org>
Subject: Re: 2.6.18-rt1
Date: Sat, 14 Oct 2006 03:46:24 +0530	[thread overview]
Message-ID: <20061013221624.GD7477@in.ibm.com> (raw)
In-Reply-To: <1160777536.4201.31.camel@mindpipe>

On Fri, Oct 13, 2006 at 06:12:16PM -0400, Lee Revell wrote:
> On Sat, 2006-10-14 at 02:54 +0530, Dipankar Sarma wrote:
> > Can you try with nmi_watchdog=0 in the kernel command line ?
> > 
> > Paul has an NMI-safe patch for rcupreempt which I am adopting
> > and testing at the moment. If this works well, I will publish
> > a new patchset.
> > 
> 
> The bug is too hard to hit for me to provide useful feedback.  I've only
> seen it once since my original report.
> 
> 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.

Thanks
Dipankar

  reply	other threads:[~2006-10-13 22:16 UTC|newest]

Thread overview: 101+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2006-09-20 14:19 2.6.18-rt1 Ingo Molnar
2006-09-20 16:50 ` 2.6.18-rt1 Gene Heskett
2006-09-20 16:58   ` 2.6.18-rt1 Ingo Molnar
2006-09-20 17:33     ` 2.6.18-rt1 Gene Heskett
2006-09-20 18:34     ` 2.6.18-rt1 Gene Heskett
2006-09-20 17:00   ` 2.6.18-rt1 Daniel Walker
2006-09-20 17:38     ` 2.6.18-rt1 Paul E. McKenney
2006-09-20 17:41       ` 2.6.18-rt1 Daniel Walker
2006-09-20 18:23         ` 2.6.18-rt1 Gene Heskett
2006-09-20 18:25         ` 2.6.18-rt1 Paul E. McKenney
2006-09-20 18:34           ` 2.6.18-rt1 Daniel Walker
2006-09-20 20:06             ` 2.6.18-rt1 Paul E. McKenney
2006-09-20 21:38               ` 2.6.18-rt1 Gene Heskett
2006-09-20 20:17             ` 2.6.18-rt1 Gene Heskett
2006-09-20 18:36           ` 2.6.18-rt1 Gene Heskett
2006-09-20 18:47             ` 2.6.18-rt1 Thomas Gleixner
2006-09-20 19:20               ` 2.6.18-rt1 Thomas Gleixner
2006-09-20 19:46             ` 2.6.18-rt1 Ingo Molnar
2006-09-20 20:19               ` 2.6.18-rt1 Daniel Walker
2006-09-20 20:14                 ` 2.6.18-rt1 Ingo Molnar
2006-09-20 20:31                   ` 2.6.18-rt1 Daniel Walker
2006-09-21 19:02                     ` 2.6.18-rt1 Ingo Molnar
2006-09-21 19:18                       ` 2.6.18-rt1 Daniel Walker
2006-09-22 14:42                       ` 2.6.18-rt1 Daniel Walker
2006-09-27  8:36                         ` 2.6.18-rt1 Ingo Molnar
2006-09-21  8:04               ` 2.6.18-rt1 Deepak Saxena
2006-09-21  8:04                 ` 2.6.18-rt1 Ingo Molnar
2006-09-21  8:24                   ` 2.6.18-rt1 Deepak Saxena
2006-09-22  2:19               ` 2.6.18-rt1 john cooper
2006-09-22  6:36                 ` 2.6.18-rt1 Lennert Buytenhek
2006-09-22 11:56                   ` 2.6.18-rt1 Ingo Molnar
2006-09-27 13:10                     ` 2.6.18-rt4 john cooper
2006-09-27 13:09                       ` 2.6.18-rt4 Ingo Molnar
2006-09-20 18:56 ` 2.6.18-rt1 K.R. Foley
2006-09-20 19:49   ` 2.6.18-rt1 Ingo Molnar
2006-09-20 20:33     ` 2.6.18-rt1 K.R. Foley
2006-09-20 20:41       ` 2.6.18-rt1 Thomas Gleixner
2006-09-20 20:50         ` 2.6.18-rt1 K.R. Foley
2006-09-21 19:16           ` 2.6.18-rt1 john stultz
2006-09-22  2:18             ` 2.6.18-rt1 K.R. Foley
2006-09-22 11:58             ` 2.6.18-rt1 Ingo Molnar
2006-09-28  0:42               ` 2.6.18-rt1 john stultz
2006-09-28 22:48                 ` 2.6.18-rt1 john stultz
2006-09-29  2:09                   ` 2.6.18-rt1 K.R. Foley
2006-09-29 12:24                   ` 2.6.18-rt1 Ingo Molnar
2006-09-29 12:40                   ` 2.6.18-rt1 Ingo Molnar
2006-09-20 19:58   ` 2.6.18-rt1 Thomas Gleixner
2006-09-20 20:34     ` 2.6.18-rt1 K.R. Foley
2006-09-20 19:38 ` 2.6.18-rt1 Mark Knecht
2006-09-20 20:27   ` 2.6.18-rt1 Mark Knecht
2006-09-22 14:14   ` 2.6.18-rt1 Lee Revell
2006-09-20 20:54 ` 2.6.18-rt1 Michal Piotrowski
2006-09-20 22:07 ` 2.6.18-rt1 Michal Piotrowski
2006-09-20 22:26 ` 2.6.18-rt1 Michal Piotrowski
2006-09-21  6:56 ` [PATCH] move put_task_struct() reaping into a thread [Re: 2.6.18-rt1] Bill Huey
2006-09-21  6:54   ` Ingo Molnar
2006-09-21  7:18     ` Bill Huey
2006-09-21  7:16       ` Ingo Molnar
2006-09-21  7:32         ` Bill Huey
2006-09-21  7:29           ` Ingo Molnar
2006-09-21  7:48             ` Bill Huey
2006-09-21  7:56               ` Ingo Molnar
2006-09-21  8:13                 ` Bill Huey
2006-09-21 12:23                   ` Esben Nielsen
2006-09-21 12:56                     ` Ingo Molnar
2006-09-21  7:27       ` Bill Huey
2006-09-21  7:22         ` Ingo Molnar
2006-09-21  7:35           ` Bill Huey
2006-09-21  7:31             ` Ingo Molnar
2006-09-21  7:52               ` Bill Huey
2006-09-27  2:55   ` Eric W. Biederman
2006-09-27  5:08     ` Bill Huey
2006-09-27  6:02       ` Eric W. Biederman
2006-09-27  6:34         ` Bill Huey
2006-09-27  7:29           ` Eric W. Biederman
2006-09-27  9:01             ` Ingo Molnar
2006-09-27 13:59               ` Eric W. Biederman
2006-09-27 14:06                 ` Ingo Molnar
2006-09-27 16:18                   ` Paul E. McKenney
2006-09-27  9:08             ` Ingo Molnar
2006-09-27  9:09             ` Bill Huey
2006-09-27  9:05               ` Ingo Molnar
2006-09-27 20:28         ` Esben Nielsen
2006-09-27  8:57       ` Ingo Molnar
2006-09-27  9:14         ` Bill Huey
2006-09-27  9:15           ` Ingo Molnar
2006-09-25  9:53 ` 2.6.18-rt1 Florian Schmidt
2006-09-26  7:57   ` 2.6.18-rt1 Florian Schmidt
2006-09-25 16:12 ` 2.6.18-rt1 Mike Kravetz
2006-09-27  8:34   ` 2.6.18-rt1 Ingo Molnar
2006-09-30 18:06 ` 2.6.18-rt1 Lee Revell
2006-09-30 18:18   ` 2.6.18-rt1 Dipankar Sarma
2006-09-30 18:25     ` 2.6.18-rt1 Lee Revell
2006-10-13 21:18     ` 2.6.18-rt1 Karsten Wiese
2006-10-13 21:20       ` 2.6.18-rt1 Lee Revell
2006-10-13 21:24       ` 2.6.18-rt1 Dipankar Sarma
2006-10-13 22:12         ` 2.6.18-rt1 Lee Revell
2006-10-13 22:16           ` Dipankar Sarma [this message]
2006-10-17 14:46             ` 2.6.18-rt1 Lee Revell
2006-10-18  8:34               ` 2.6.18-rt1 Ingo Molnar
2006-10-18  7:12         ` 2.6.18-rt1 Ingo Molnar

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