From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754809AbYIKNdH (ORCPT ); Thu, 11 Sep 2008 09:33:07 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1752235AbYIKNc4 (ORCPT ); Thu, 11 Sep 2008 09:32:56 -0400 Received: from perninha.conectiva.com.br ([200.140.247.100]:36139 "EHLO perninha.conectiva.com.br" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751986AbYIKNcz (ORCPT ); Thu, 11 Sep 2008 09:32:55 -0400 Date: Thu, 11 Sep 2008 10:33:32 -0300 From: "Luiz Fernando N. Capitulino" To: "Steven Noonan" Cc: linux-kernel@vger.kernel.org Subject: Re: Semi-repeatable hard lockup on 2.6.27-rc6 Message-ID: <20080911103332.56160ce0@doriath.conectiva> In-Reply-To: References: Organization: Mandriva X-Mailer: Claws Mail 3.5.0 (GTK+ 2.13.7; i586-mandriva-linux-gnu) Mime-Version: 1.0 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 Em Wed, 10 Sep 2008 14:26:12 -0700 "Steven Noonan" escreveu: | On Wed, Sep 10, 2008 at 11:07 AM, Steven Noonan wrote: | > I've got a hard lockup problem on boot of 2.6.27-rc6. It's sporadic | > though. Sometimes it locks, sometimes not. Each time it -does- lock | > up, it gets to 'Waiting for uevents to be processed' and then | > immediately locks up. | > | | This problem does -not- occur on 2.6.27-rc6-tip, though. Something's | screwy in the pristine 2.6.27-rc6 branch. Can you describe the machine? Is it SMP? The best way would be to run git bisect, but you can also try to enable all the locking debug features under the Kernel hacking menu. -- Luiz Fernando N. Capitulino