Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1030199AbXBZNBg (ORCPT ); Mon, 26 Feb 2007 08:01:36 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1030205AbXBZNBg (ORCPT ); Mon, 26 Feb 2007 08:01:36 -0500 Received: from an-out-0708.google.com ([209.85.132.249]:20689 "EHLO an-out-0708.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1030199AbXBZNBe (ORCPT ); Mon, 26 Feb 2007 08:01:34 -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=JoHcAxsHSk7GWbYCVU6NHtsL0Sh6f64b/t58sI2nxa2kfWqkX5FaRao3xRLGt/rZsJ+2lcF8q5UmAQLT6o8jIS5CVL2JjEYaF6aOj9r26hQVNC8r1EabnaLAUXNEzKgz1QkckHOpU87g2EqJWgGBOfXGxPt3m+Zz5xktjGkwC9U= Message-ID: <6bffcb0e0702260501q214c3ac8xedee578e4e29a5be@mail.gmail.com> Date: Mon, 26 Feb 2007 14:01:33 +0100 From: "Michal Piotrowski" To: tglx@linutronix.de Subject: Re: 2.6.20-git15 BUG: soft lockup detected on CPU#0! - timers? Cc: "Ingo Molnar" , "Michal Piotrowski" , LKML In-Reply-To: <1172397209.25076.365.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: <6bffcb0e0702201054rb839bb2m11ef8d33bacffdb8@mail.gmail.com> <6bffcb0e0702201437o66db38d5j3066eb3c9951a270@mail.gmail.com> <1172072023.25076.64.camel@localhost.localdomain> <6bffcb0e0702210738p687ca1bdt2c568d7ed5904fff@mail.gmail.com> <1172088044.25076.125.camel@localhost.localdomain> <45DCF644.9040009@googlemail.com> <45DD756D.3040006@googlemail.com> <20070223060802.GA8562@elte.hu> <6bffcb0e0702241445v562be44y5ddac6d6abdb5131@mail.gmail.com> <1172397209.25076.365.camel@localhost.localdomain> Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 984 Lines: 36 On 25/02/07, Thomas Gleixner wrote: > Michal, > > On Sat, 2007-02-24 at 23:45 +0100, Michal Piotrowski wrote: > > Here is a dmesg after over 25 hours of uptime > > http://www.stardust.webpages.pl/files/tbf/bitis-gabonica/2.6.21-rc1/git-dmesg3 > > nothing new. > > can you please turn off CONFIG_SCHED_SMT ? It seems all reports have one > thing in common: > > CPU == P4 and CONFIG_SCHED_SMT turned on. > > tglx > > > Ok, I think that this is a SMT scheduler problem. System works fine for fifteen hours. 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/) - 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/