From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1762934AbYA3RUg (ORCPT ); Wed, 30 Jan 2008 12:20:36 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1756346AbYA3RU1 (ORCPT ); Wed, 30 Jan 2008 12:20:27 -0500 Received: from E23SMTP03.au.ibm.com ([202.81.18.172]:43479 "EHLO e23smtp03.au.ibm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751991AbYA3RU0 (ORCPT ); Wed, 30 Jan 2008 12:20:26 -0500 Message-ID: <47A0AE4E.5090400@linux.vnet.ibm.com> Date: Wed, 30 Jan 2008 22:35:18 +0530 From: Kamalesh Babulal User-Agent: Thunderbird 1.5.0.14pre (X11/20071023) MIME-Version: 1.0 To: Ingo Molnar CC: LKML , Thomas Gleixner , Andy Whitcroft , Balbir Singh Subject: Re: [BUG] 2.6.24-git6 soft lockup detected while running libhugetlbfs References: <47A01C30.7020309@linux.vnet.ibm.com> <20080130165947.GA6336@elte.hu> In-Reply-To: <20080130165947.GA6336@elte.hu> Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Ingo Molnar wrote: > * Kamalesh Babulal wrote: > >> Softlockup is detected while running libhugetlbfs on the 2.6.24-git6 >> kernel. The machine is a Pentium III (Cascades) 16 cpu machine. >> >> BUG: soft lockup - CPU#13 stuck for 61s! [swapper:0] > > is nohz enabled? And the system did not truly lock up, right? > > Ingo > -- Hi Ingo, The CONFIG_NO_HZ is not set and the system seems not be truly locked up ,btw wc -l of the softlockup messages is around 108 times, while running the libhugetlbfs only and this is reproducible with the 2.6.24-git7 also. -- Thanks & Regards, Kamalesh Babulal, Linux Technology Center, IBM, ISTL.