From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1764864AbZDIMCm (ORCPT ); Thu, 9 Apr 2009 08:02:42 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1760567AbZDIMCc (ORCPT ); Thu, 9 Apr 2009 08:02:32 -0400 Received: from aun.it.uu.se ([130.238.12.36]:37861 "EHLO aun.it.uu.se" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1760435AbZDIMCb (ORCPT ); Thu, 9 Apr 2009 08:02:31 -0400 MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Message-ID: <18909.58298.579959.482372@pilspetsen.it.uu.se> Date: Thu, 9 Apr 2009 14:02:02 +0200 From: Mikael Pettersson To: Mikael Pettersson Cc: Ingo Molnar , Peter Zijlstra , linux-kernel@vger.kernel.org, tglx@linutronix.de Subject: Re: [BUG 2.6.29] NMI watchdog triggered in rb_insert_color called from enqueue_hrtimer In-Reply-To: <18908.35477.227662.637308@pilspetsen.it.uu.se> References: <18908.27242.966881.409415@pilspetsen.it.uu.se> <20090408092452.GA26121@elte.hu> <18908.35477.227662.637308@pilspetsen.it.uu.se> X-Mailer: VM 7.17 under Emacs 20.7.1 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Mikael Pettersson writes: > Ingo Molnar writes: > > > > * Mikael Pettersson wrote: > > > > > Less than an hour after updating a dual Opteron 8384 box from > > > 2.6.29-rc6 (which it had been running for weeks) to 2.6.29 final > > > it died with the following watchdog-detected lockup: > > > > Could you please check whether this is the bug fixed by: > > > > 7f1e2ca: hrtimer: fix rq->lock inversion (again) > > I am testing this now and will let you know how it goes. The machine has now been running 2.6.29 plus that fix for more than 24 hours with no problems. Previously it oopsed and hung within an hour on two separate attempts to run 2.6.29 vanilla. Thanks, /Mikael