Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S261954AbUKJOx7 (ORCPT ); Wed, 10 Nov 2004 09:53:59 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S261843AbUKJOwU (ORCPT ); Wed, 10 Nov 2004 09:52:20 -0500 Received: from smtp001.mail.ukl.yahoo.com ([217.12.11.32]:51853 "HELO smtp001.mail.ukl.yahoo.com") by vger.kernel.org with SMTP id S261954AbUKJOtJ (ORCPT ); Wed, 10 Nov 2004 09:49:09 -0500 From: Karsten Wiese To: Ingo Molnar Subject: Re: [patch] Real-Time Preemption, -RT-2.6.10-rc1-mm3-V0.7.23 Date: Wed, 10 Nov 2004 15:50:30 +0100 User-Agent: KMail/1.6.2 Cc: linux-kernel@vger.kernel.org, Lee Revell , Rui Nuno Capela , Mark_H_Johnson@Raytheon.com, "K.R. Foley" , Bill Huey , Adam Heath , Florian Schmidt , Thomas Gleixner , Michal Schmidt , Fernando Pablo Lopez-Lezcano , Gunther Persoons , emann@mrv.com, Shane Shrybman , Amit Shah References: <20041021132717.GA29153@elte.hu> <20041110150136.GA8668@elte.hu> <200411101520.43192.annabellesgarden@yahoo.de> In-Reply-To: <200411101520.43192.annabellesgarden@yahoo.de> MIME-Version: 1.0 Content-Disposition: inline Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit Message-Id: <200411101550.30025.annabellesgarden@yahoo.de> Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1450 Lines: 30 Am Mittwoch 10 November 2004 15:20 schrieb Karsten Wiese: > Am Mittwoch 10 November 2004 16:01 schrieb Ingo Molnar: > > > > * Karsten Wiese wrote: > > > > > Hi > > > > > > On SMP/HT/P4 I get: > > > BUG: lock held at task exit time! > > > > > sh/5429: BUG in __up_mutex at /home/ka/kernel/2.6/linux-2.6.9-rc1-mm3-RT/kernel/rt.c:1064 > > > BUG: sleeping function called from invalid context sh(5429) at /home/ka/kernel/2.6/linux-2.6.9-rc1-mm3-RT/kernel/rt.c:1314 > > > in_atomic():1 [00000003], irqs_disabled():0 > > > > hm, apparently something leaked a BKL count. Unfortunately we dont know > > precisely what did it, only that it happened. Did this happen during > > bootup, or during normal use. Can you trigger it arbitrarily? > > Yes, it always happens, when callling ./cvscompile script of a project, that is mounted via nfs. > Haven't tried to do that ./cvscompile locally, should I? ./cvscompile locally is ok. Also if I disable HT in BIOS, the machine survives the crash "./cvscompile"ing via nfs and the next "./cvscompile"s over nfs are ok. Also if I unmount / mount the nfs share again. So it always happens the first time calling this ./cvscompile via nfs. - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/