From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1750945AbWAOXWM (ORCPT ); Sun, 15 Jan 2006 18:22:12 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1750960AbWAOXWM (ORCPT ); Sun, 15 Jan 2006 18:22:12 -0500 Received: from 213-140-2-70.ip.fastwebnet.it ([213.140.2.70]:37841 "EHLO aa003msg.fastwebnet.it") by vger.kernel.org with ESMTP id S1750945AbWAOXWM (ORCPT ); Sun, 15 Jan 2006 18:22:12 -0500 Date: Mon, 16 Jan 2006 00:22:51 +0100 From: Mattia Dongili To: Nathan Scott Cc: Andrew Morton , linux-kernel@vger.kernel.org, reiserfs-dev@namesys.com, linux-xfs@oss.sgi.com Subject: Re: 2.6.15-mm3 bisection: git-xfs.patch makes reiserfs oops Message-ID: <20060115232250.GD3521@inferi.kami.home> Mail-Followup-To: Nathan Scott , Andrew Morton , linux-kernel@vger.kernel.org, reiserfs-dev@namesys.com, linux-xfs@oss.sgi.com References: <20060110235554.GA3527@inferi.kami.home> <20060110170037.4a614245.akpm@osdl.org> <20060115221458.GA3521@inferi.kami.home> <20060116094817.A8425113@wobbly.melbourne.sgi.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20060116094817.A8425113@wobbly.melbourne.sgi.com> X-Message-Flag: Cranky? Try Free Software instead! X-Operating-System: Linux 2.6.15-rc5-mm3-1 i686 X-Editor: Vim http://www.vim.org/ X-Disclaimer: Buh! User-Agent: Mutt/1.5.11 Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Mon, Jan 16, 2006 at 09:48:17AM +1100, Nathan Scott wrote: > On Sun, Jan 15, 2006 at 11:14:58PM +0100, Mattia Dongili wrote: [...] > > you're right: git-xfs.patch is the bad guy. > > > > Unfortunately netconsole isn't helpful in capturing the oops (no serial > > ports here) but I have two more shots (more readable): > > http://oioio.altervista.org/linux/dsc03148.jpg > > http://oioio.altervista.org/linux/dsc03149.jpg > > Hmm, thats odd. It seems to be coming from: > reiserfs_commit_page -> reiserfs_add_ordered_list -> __add_jh(inline) > > I guess XFS may have left a buffer_head in an unusual state (with some > private flag/b_private set), somehow, and perhaps that buffer_head has > later been allocated for a page in a reiserfs write. Does this patch, > below, help at all? I won't be able to test and report until tomorrow afternoon (CET), please be patient. > I see one BUG check in __add_jh for non-NULL b_private, but can't see > the top of your console output from the photos - is there a preceding > line with "kernel BUG at ..." in it? this is another shot of the same oops caught some days ago http://oioio.altervista.org/linux/dsc03133.jpg unfortunately it happened while running X so that's all I currently have... and I can't remember now about the BUG. oh, and BTW I have / and /usr on reiserfs while /home is xfs and I can easily reproduce the oops by starting X (with a simple user so fiddling in /home) and then installing and removing software in /usr. thanks. -- mattia :wq!