Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S261480AbUKCIiK (ORCPT ); Wed, 3 Nov 2004 03:38:10 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S261489AbUKCIiK (ORCPT ); Wed, 3 Nov 2004 03:38:10 -0500 Received: from mx1.elte.hu ([157.181.1.137]:26345 "EHLO mx1.elte.hu") by vger.kernel.org with ESMTP id S261480AbUKCIiD (ORCPT ); Wed, 3 Nov 2004 03:38:03 -0500 Date: Wed, 3 Nov 2004 09:39:00 +0100 From: Ingo Molnar To: Mark_H_Johnson@raytheon.com Cc: Thomas Gleixner , Florian Schmidt , Lee Revell , Paul Davis , LKML , Bill Huey , Adam Heath , Michal Schmidt , Fernando Pablo Lopez-Lezcano , Karsten Wiese , jackit-devel , Rui Nuno Capela , "K.R. Foley" Subject: Re: [patch] Real-Time Preemption, -RT-2.6.9-mm1-V0.6.8 Message-ID: <20041103083900.GA27211@elte.hu> References: Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.4.1i X-ELTE-SpamVersion: MailScanner 4.31.6-itk1 (ELTE 1.2) SpamAssassin 2.63 ClamAV 0.73 X-ELTE-VirusStatus: clean X-ELTE-SpamCheck: no X-ELTE-SpamCheck-Details: score=-4.9, required 5.9, autolearn=not spam, BAYES_00 -4.90 X-ELTE-SpamLevel: X-ELTE-SpamScore: -4 Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 856 Lines: 26 * Mark_H_Johnson@raytheon.com wrote: > The crash sequence was... > > - boot to single user (uneventful) > - telnet 5 (uneventful) > - X and top tests (uneventful) > - network test started (and did not finish) > - 2343 usec latency dumped > - 55962 usec latency dumped > - 74229 usec latency dumped > - 83374 usec latency dumped > - deadlock yeah, this is yet another networking deadlock, nicely detected and logged. Since the deadlock locks up ksoftirqd, timer handling (also driven by ksoftirqd) wont work - i think this explains the followup symptoms you got. Ingo - 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/