Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1761639AbXKHRen (ORCPT ); Thu, 8 Nov 2007 12:34:43 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1760237AbXKHRee (ORCPT ); Thu, 8 Nov 2007 12:34:34 -0500 Received: from mail.tmr.com ([64.65.253.246]:41337 "EHLO gaimboi.tmr.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1760253AbXKHRed (ORCPT ); Thu, 8 Nov 2007 12:34:33 -0500 Message-ID: <47334B46.7000809@tmr.com> Date: Thu, 08 Nov 2007 12:45:42 -0500 From: Bill Davidsen Organization: TMR Associates Inc, Schenectady NY User-Agent: Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.8.0.8) Gecko/20061105 SeaMonkey/1.0.6 MIME-Version: 1.0 To: Jeff Lessem CC: Dan Williams , =?UTF-8?B?QkVSVFJBTkQgSm/Dq2w=?= , Justin Piszcz , Neil Brown , linux-kernel@vger.kernel.org, linux-raid@vger.kernel.org Subject: Re: 2.6.23.1: mdadm/raid5 hung/d-state References: <18222.16003.92062.970530@notabene.brown> <47303FB8.7000801@systella.fr> <1194398700.2970.18.camel@dwillia2-linux.ch.intel.com> <47314653.80905@Lessem.org> In-Reply-To: <47314653.80905@Lessem.org> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1472 Lines: 35 Jeff Lessem wrote: > Dan Williams wrote: > > The following patch, also attached, cleans up cases where the code > looks > > at sh->ops.pending when it should be looking at the consistent > > stack-based snapshot of the operations flags. > > I tried this patch (against a stock 2.6.23), and it did not work for > me. Not only did I/O to the effected RAID5 & XFS partition stop, but > also I/O to all other disks. I was not able to capture any debugging > information, but I should be able to do that tomorrow when I can hook > a serial console to the machine. That can't be good! This is worrisome because Joel is giddy with joy because it fixes his iSCSI problems. I was going to try it with nbd, but perhaps I'll wait a week or so and see if others have more information. Applying patches before a holiday weekend is a good way to avoid time off. :-( > > I'm not sure if my problem is identical to these others, as mine only > seems to manifest with RAID5+XFS. The RAID rebuilds with no problem, > and I've not had any problems with RAID5+ext3. Hopefully it's not the raid which is the issue. -- bill davidsen CTO TMR Associates, Inc Doing interesting things with small computers since 1979 - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/