From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S964805AbWGaGVU (ORCPT ); Mon, 31 Jul 2006 02:21:20 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S964806AbWGaGVU (ORCPT ); Mon, 31 Jul 2006 02:21:20 -0400 Received: from [219.153.9.10] ([219.153.9.10]:24758 "EHLO iblink.com.cn") by vger.kernel.org with ESMTP id S964805AbWGaGVT (ORCPT ); Mon, 31 Jul 2006 02:21:19 -0400 Message-ID: <44CDA156.6000105@idccenter.cn> Date: Mon, 31 Jul 2006 14:21:10 +0800 From: kernel User-Agent: Thunderbird 1.5.0.5 (Windows/20060719) MIME-Version: 1.0 To: Nathan Scott , jdi@l4x.org CC: linux-kernel@vger.kernel.org Subject: Re: XFS Bug null pointer dereference in xfs_free_ag_extent References: <44BF29CD.1000809@l4x.org> <44CB0BF7.6030204@idccenter.cn> <44CB1303.7010303@l4x.org> <20060731094424.E2280998@wobbly.melbourne.sgi.com> In-Reply-To: <20060731094424.E2280998@wobbly.melbourne.sgi.com> Content-Type: text/plain; charset=GB18030; format=flowed Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Test again......very strange. I can easily reproduce it on the XFS with SAN(FLX380) connected with a qlogic 2400 FC card. Everything is right when I using ext3/reiser4/reiserfs with FLX380,qlogic 2400. Everything is right too when I using XFS with a normal scsi storage or a raid storage(NOT a SAN). Nathan Scott wrote: > Hi there, > > On Sat, Jul 29, 2006 at 09:49:23AM +0200, Jan Dittmer wrote: > >> kernel schrieb: >> >>> I have the same problem, but it seems not have a patch right now. >>> >> No, I got zero feedback, but let's cc the correct >> mailing list. I also filed bug 6877 at kernel.org >> >> > > Is this easily reproducible for you? I've not seen it before, and > the only possibly related recent changes I can think of are these: > > http://git.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=e63a3690013a475746ad2cea998ebb534d825704 > > http://git.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=d210a28cd851082cec9b282443f8cc0e6fc09830 > > Could you try reverting each of those to see if either is the cause? > > thanks. > >