From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S261647AbVEDUxo (ORCPT ); Wed, 4 May 2005 16:53:44 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S261560AbVEDUxW (ORCPT ); Wed, 4 May 2005 16:53:22 -0400 Received: from bernache.ens-lyon.fr ([140.77.167.10]:38805 "EHLO bernache.ens-lyon.fr") by vger.kernel.org with ESMTP id S261601AbVEDUvw (ORCPT ); Wed, 4 May 2005 16:51:52 -0400 Message-ID: <427935DF.5010505@ens-lyon.org> Date: Wed, 04 May 2005 22:51:43 +0200 From: Brice Goglin User-Agent: Mozilla Thunderbird 1.0.2 (X11/20050331) X-Accept-Language: fr, en MIME-Version: 1.0 To: Andrew Morton Cc: linux-kernel@vger.kernel.org Subject: Re: Soft lockup with -mm References: <42792BC8.9010005@ens-lyon.org> <20050504132302.2ce4869b.akpm@osdl.org> In-Reply-To: <20050504132302.2ce4869b.akpm@osdl.org> X-Enigmail-Version: 0.91.0.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 8bit X-Spam-Report: Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Andrew Morton a écrit : > Brice Goglin wrote: > >>I was seeing a lockup with several -mm releases since 2.6.12-rc2-mm1 >>(IIRC). With 2.6.12-rc2-mm1, I remember getting the lockup a few minutes >>after boot time. >>With 2.6.12-rc3-mm1, I waited several days before getting it. >>But, I finally caught this one with netconsole. So here it is: >> >>BUG: soft lockup detected on CPU#0! >>Pid: 0, comm: swapper >>EIP: 0060:[] CPU: 0 >>EIP is at _spin_unlock_irqrestore+0x5/0x30 >> EFLAGS: 00000286 Not tainted (2.6.12-rc3-mm1=Pignouf) >>EAX: c18e8160 EBX: c18e8160 ECX: 00000001 EDX: 00000286 >>ESI: c18e0160 EDI: dbf96c64 EBP: ffffffff DS: 007b ES: 007b >>CR0: 8005003b CR2: b6e43000 CR3: 0e912000 CR4: 00000690 >> [] __mod_timer+0xc5/0xf0 > > > It could be the timer bug. Can you try it with Oleg's fix? Ok, thanks. I applied it on top of mm2 and started praying for a few days until something happens or not. Brice