From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932442AbWFOGBR (ORCPT ); Thu, 15 Jun 2006 02:01:17 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S932444AbWFOGBR (ORCPT ); Thu, 15 Jun 2006 02:01:17 -0400 Received: from ns.virtualhost.dk ([195.184.98.160]:15719 "EHLO virtualhost.dk") by vger.kernel.org with ESMTP id S932442AbWFOGBR (ORCPT ); Thu, 15 Jun 2006 02:01:17 -0400 Date: Thu, 15 Jun 2006 08:01:53 +0200 From: Jens Axboe To: Nathan Scott Cc: linux-kernel@vger.kernel.org Subject: Re: cfq_update_io_seektime oops Message-ID: <20060615060152.GK1522@suse.de> References: <20060615152131.A898607@wobbly.melbourne.sgi.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20060615152131.A898607@wobbly.melbourne.sgi.com> Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Thu, Jun 15 2006, Nathan Scott wrote: > Hi Jens, > > Just booting and testing on 2.6.17-rc5 I tripped over what looks > like a divide by zero - I guess its at block/cfq-iosched.c, line > ~1657 since that do_div in there looks like the only divide... The patch for this was just merged in 2.6.17-rc6-git last night, so it should be fine now. Just curious - did you have any slab debugging features enabled? > This was fairly late in bootup. Lemme know if more info needed, I > have booted this kernel several times without problem today, so it > may not be easily reproducible. It's a little obscure, I'm surprised to see you hit it :-) -- Jens Axboe