Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S262323AbUKQOFl (ORCPT ); Wed, 17 Nov 2004 09:05:41 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S262325AbUKQOFk (ORCPT ); Wed, 17 Nov 2004 09:05:40 -0500 Received: from mx2.elte.hu ([157.181.151.9]:60837 "EHLO mx2.elte.hu") by vger.kernel.org with ESMTP id S262323AbUKQOFe (ORCPT ); Wed, 17 Nov 2004 09:05:34 -0500 Date: Wed, 17 Nov 2004 16:01:08 +0100 From: Ingo Molnar To: Florian Schmidt Cc: john cooper , "K.R. Foley" , Mark_H_Johnson@raytheon.com, linux-kernel@vger.kernel.org, Lee Revell , Rui Nuno Capela , Bill Huey , Adam Heath , Thomas Gleixner , Michal Schmidt , Fernando Pablo Lopez-Lezcano , Karsten Wiese , Gunther Persoons , emann@mrv.com, Shane Shrybman , Amit Shah , Stefan Schweizer Subject: Re: [patch] Real-Time Preemption, -RT-2.6.10-rc2-mm1-V0.7.27-3 Message-ID: <20041117150108.GA3791@elte.hu> References: <20041116230443.452497b9@mango.fruits.de> <20041116231145.GC31529@elte.hu> <20041116235535.6867290d@mango.fruits.de> <20041117002926.32a4b26f@mango.fruits.de> <419A961A.2070005@timesys.com> <20041117122318.479805fa@mango.fruits.de> <20041117130236.GA28240@elte.hu> <20041117131400.0c1dbe95@mango.fruits.de> <20041117134509.GA29845@elte.hu> <20041117140036.7c59a47e@mango.fruits.de> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20041117140036.7c59a47e@mango.fruits.de> 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: 818 Lines: 22 * Florian Schmidt wrote: > > managed to reproduce the lockup on my testbox, using your .config, > > running rtc_wakeup -f 8192 and starting X. Hard hang and i had IRQ1 at > > prio 99. Will turn on the NMI watchdog now, hopefully this lockup will > > stay easy to reproduce. > > Hi, > > i experienced another one. But as i stayed on the console sysrq was > available, so i can send you the last locks listed by sysrq-t. i can now reproduce it at will. It's some sort of MM deadlock (infinite pagefaults in rtc_wakeup), i'm debugging it now. 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/