From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755356Ab1G1Suj (ORCPT ); Thu, 28 Jul 2011 14:50:39 -0400 Received: from www.linutronix.de ([62.245.132.108]:43317 "EHLO Galois.linutronix.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755275Ab1G1Sug (ORCPT ); Thu, 28 Jul 2011 14:50:36 -0400 Date: Thu, 28 Jul 2011 20:50:32 +0200 (CEST) From: Thomas Gleixner To: Don Zickus cc: Ben Greear , Linux Kernel Mailing List Subject: Re: WARNING at watchdog_overflow_callback in 3.0-rc7+ In-Reply-To: <20110728183521.GA26882@redhat.com> Message-ID: References: <4E1DD3AF.80201@candelatech.com> <20110728183521.GA26882@redhat.com> User-Agent: Alpine 2.02 (LFD 1266 2009-07-14) MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII X-Linutronix-Spam-Score: -1.0 X-Linutronix-Spam-Level: - X-Linutronix-Spam-Status: No , -1.0 points, 5.0 required, ALL_TRUSTED=-1,SHORTCIRCUIT=-0.0001 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thu, 28 Jul 2011, Don Zickus wrote: > On Wed, Jul 13, 2011 at 10:19:43AM -0700, Ben Greear wrote: > > This is on the same nfs testing machine I've been posting about. This > > has some additional nfs patches included, running tests to mount, do io, unmount > > over and over again. Seems that the NFS bugs might be finally fixed, but > > system is still un-stable in general: > > This looks like it is stuck spinning on a lock while trying to cancel an > hrtimer. Not sure under what conditions the hrtimer can't get this lock. > > I cc'd Thomas, perhaps he might know. http://www.gossamer-threads.com/lists/linux/kernel/1409228 Fix is on the way to mainline/stable Thanks, tglx