From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1759919AbXGRJqQ (ORCPT ); Wed, 18 Jul 2007 05:46:16 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1753333AbXGRJqE (ORCPT ); Wed, 18 Jul 2007 05:46:04 -0400 Received: from ausmtp04.au.ibm.com ([202.81.18.152]:62747 "EHLO ausmtp04.au.ibm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752360AbXGRJqC (ORCPT ); Wed, 18 Jul 2007 05:46:02 -0400 Date: Wed, 18 Jul 2007 15:11:42 +0530 From: Dhaval Giani To: Andrew Morton Cc: Balbir Singh , Srivatsa Vaddagiri , linux-kernel@vger.kernel.org Subject: Re: System hangs on running kernbench Message-ID: <20070718094142.GA12330@linux.vnet.ibm.com> Reply-To: Dhaval Giani References: <20070718075648.GA4235@linux.vnet.ibm.com> <20070718010700.1ca7fd9f.akpm@linux-foundation.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20070718010700.1ca7fd9f.akpm@linux-foundation.org> User-Agent: Mutt/1.5.14 (2007-02-12) Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Wed, Jul 18, 2007 at 01:07:00AM -0700, Andrew Morton wrote: > On Wed, 18 Jul 2007 13:26:48 +0530 Dhaval Giani wrote: > > > I was running kernbench on top of 2.6.22-rc6-mm1 and I got a Hangcheck > > alert (This is when kernbench reached make -j). > > hm, never had a report of that before. It's the first time I've seen > hangcheck produce anything useful, frankly. > > Was the softlockup detector not enabled? I notice CONFIG_DETECT_SOFTLOCKUP=y > > > Also make -j is hanging. > > Please try to capture the full sysrq-T output when it is hung. Available at http://dhaval.giani.googlepages.com/sysrq-t-trace.bz2 In the meantime I will go and check if it was there in 2.6.22-rc4-mm2 -- regards, Dhaval I would like to change the world but they don't give me the source code!