From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751766AbXCDQ23 (ORCPT ); Sun, 4 Mar 2007 11:28:29 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751809AbXCDQ23 (ORCPT ); Sun, 4 Mar 2007 11:28:29 -0500 Received: from ug-out-1314.google.com ([66.249.92.174]:42934 "EHLO ug-out-1314.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751766AbXCDQ21 (ORCPT ); Sun, 4 Mar 2007 11:28:27 -0500 DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=beta; h=received:message-id:date:from:to:subject:cc:in-reply-to:mime-version:content-type:content-transfer-encoding:content-disposition:references; b=kUEbc1fD+tU45fufFJE0jL9dXzk4Tm7Rl729h3vAXQuObpz6t8l1AyriQU+SPb+f12kpgVRbV6IIp3CF57Dv1yp64/99MTEXdrDct532/Tz6lcInkouoPBwfQrKBFkM/yxD07QLbdVpzbp36DNIVPOAkHdhiBwiLabFGkAg2XC4= Message-ID: <6bffcb0e0703040828j46a339c2ofabf7c0e20f6ae09@mail.gmail.com> Date: Sun, 4 Mar 2007 17:28:25 +0100 From: "Michal Piotrowski" To: tglx@linutronix.de Subject: Re: 2.6.21-rc2-git3 soft lockup detected on CPU#0 (crash dump kernel) Cc: "Ingo Molnar" , LKML In-Reply-To: <1173022668.24738.141.camel@localhost.localdomain> MIME-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Content-Disposition: inline References: <6bffcb0e0703031531h3f0a86c6sda2522c0ca504765@mail.gmail.com> <1173018209.24738.135.camel@localhost.localdomain> <6bffcb0e0703040636q5a4ed3ekf5a0461052e8e018@mail.gmail.com> <1173022668.24738.141.camel@localhost.localdomain> Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On 04/03/07, Thomas Gleixner wrote: > On Sun, 2007-03-04 at 15:36 +0100, Michal Piotrowski wrote: > > > > BUG: soft lockup detected on CPU#0! > > > > [] show_trace_log_lvl+0x1a/0x2f > > > > [] show_trace+0x12/0x14 > > > > [] dump_stack+0x16/0x18 > > > > [] softlockup_tick+0x97/0xa7 > > > > [] run_local_timers+0x12/0x14 > > > > [] update_process_times+0x3e/0x63 > > > > [] tick_sched_timer+0x5d/0xa1 > > > > [] hrtimer_interrupt+0x11e/0x1b2 > > > > [] timer_interrupt+0xe/0x15 > > > > [] handle_IRQ_event+0x1a/0x46 > > > > [] handle_level_irq+0x81/0xcb > > > > [] do_IRQ+0xb4/0xe0 > > > > > > > > This time it's a crash dump kernel without SMP. > > > > > > Is the box stuck, or do you just get those softlockup messages from time > > > to time ? > > > > The box stuck on it. > > > > I can reproduce this on 2.6.21-rc2-git3 and 2.6.20.1. > > Ahh. That's something different, i.e. unrelated to highres/dynticks. > 2.6.20.1 does not have them. > > Can you please add "initcall_debug" and "ignore_loglevel" to the kernel > command line ? Here is a full serial console log http://www.stardust.webpages.pl/files/tbf/bitis-gabonica/2.6.21-rc2-git3-kdump/log.txt Regards, Michal -- Michal K. K. Piotrowski LTG - Linux Testers Group (PL) (http://www.stardust.webpages.pl/ltg/) LTG - Linux Testers Group (EN) (http://www.stardust.webpages.pl/linux_testers_group_en/)