From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751000AbWGAHMD (ORCPT ); Sat, 1 Jul 2006 03:12:03 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751271AbWGAHMD (ORCPT ); Sat, 1 Jul 2006 03:12:03 -0400 Received: from fnoeppeil48.netpark.at ([217.175.205.176]:25360 "EHLO roarinelk.homelinux.net") by vger.kernel.org with ESMTP id S1751000AbWGAHMC (ORCPT ); Sat, 1 Jul 2006 03:12:02 -0400 Message-ID: <44A62040.3050307@roarinelk.homelinux.net> Date: Sat, 01 Jul 2006 09:12:00 +0200 From: Manuel Lauss User-Agent: Thunderbird/1.0 Mnenhy/0.7 MIME-Version: 1.0 To: Andrew Morton CC: linux-kernel@vger.kernel.org, reiserfs-dev@namesys.com Subject: Re: 2.6.17-mm4 References: <20060629013643.4b47e8bd.akpm@osdl.org> <44A57970.7020501@roarinelk.homelinux.net> <20060630162625.2fe3b6cc.akpm@osdl.org> In-Reply-To: <20060630162625.2fe3b6cc.akpm@osdl.org> X-Enigmail-Version: 0.94.0.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Andrew Morton wrote: > Manuel Lauss wrote: >> With the attached .config, the kernel reliably panics when someone >> issues a 'sync' (or the kernel decides to write back its buffers): >> >> reiser4 panicked cowardly: reiser4[sync(8465)]: commit_current_atom (fs/reiser4/txnmgr.c:1062)[zam-597]: >> Kernel panic - not syncing: reiser4[sync(8465)]: commit_current_atom (fs/reiser4/txnmgr.c:1062)[zam-597]: >> >> (this is all that is printed) >> >> This happens only with Reiser4 and libata ata_piix driver; it does not >> happen with Reiser4 and 'old' IDE piix driver. Other fs are also not >> affected. I have no idea how to track this, I hope someone else does :) >> >> Hardware is a pentium-m laptop with ICH4 pata. >> > My guess would be that there's a difference in the way in which the two > drivers handle write barriers, and the new driver has confused the reiser4 > code. > > Are you able to identify any earlier -mm kernel which ran OK with reiser4 > and ata_piix? -mm1 and -mm2 are good, mm3 and mm4 are broken. -- Manuel Lauss