Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id ; Fri, 1 Dec 2000 08:08:41 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id ; Fri, 1 Dec 2000 08:08:31 -0500 Received: from ns.virtualhost.dk ([195.184.98.160]:26898 "EHLO virtualhost.dk") by vger.kernel.org with ESMTP id ; Fri, 1 Dec 2000 08:08:15 -0500 Date: Fri, 1 Dec 2000 13:37:45 +0100 From: Jens Axboe To: Andrew Morton Cc: linux-kernel@vger.kernel.org Subject: Re: corruption Message-ID: <20001201133745.B21481@suse.de> In-Reply-To: <3A26C82D.26267202@uow.edu.au> <3A26F77B.2800C58D@asiapacificm01.nt.com>, <3A26F77B.2800C58D@asiapacificm01.nt.com>; <20001201131814.C21309@suse.de> <3A279ABD.957C0EF@uow.edu.au> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <3A279ABD.957C0EF@uow.edu.au>; from andrewm@uow.edu.au on Fri, Dec 01, 2000 at 11:34:05PM +1100 Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Fri, Dec 01 2000, Andrew Morton wrote: > > > mmmm... choc-chip. > > > > > > With the above patch applied the machine crashed after an hour. Crashed > > > a second time during the e2fsck. gdb backtrace: > > > > Very interesting. IDE / SCSI? > > hmm.. Overlapping emails. > > The crash with e2fsck was easily repeatable with the above patch. Just > dirty a few buffers and run /sbin/sync. It's due to the __make_request > queue_head thing which you fixed in test12-pre3. Yes, this was IDE. Ah ok, I thought this was on test12-pre3. > However the original problem of a list_del being performed on a wild > pointer is being seen on SCSI systems. I expect the above patch will > catch it if it's still happening. Indeed, and I don't think it's request queue_head related anymore. I will look forward to seeing a trace, though :-) -- * Jens Axboe * SuSE Labs - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org Please read the FAQ at http://www.tux.org/lkml/