From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932476AbWGaG4E (ORCPT ); Mon, 31 Jul 2006 02:56:04 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S932484AbWGaG4D (ORCPT ); Mon, 31 Jul 2006 02:56:03 -0400 Received: from omx2-ext.sgi.com ([192.48.171.19]:3482 "EHLO omx2.sgi.com") by vger.kernel.org with ESMTP id S932476AbWGaG4B (ORCPT ); Mon, 31 Jul 2006 02:56:01 -0400 Date: Mon, 31 Jul 2006 16:55:22 +1000 From: Nathan Scott To: kernel Cc: jdi@l4x.org, linux-kernel@vger.kernel.org Subject: Re: XFS Bug null pointer dereference in xfs_free_ag_extent Message-ID: <20060731165522.K2280998@wobbly.melbourne.sgi.com> References: <44BF29CD.1000809@l4x.org> <44CB0BF7.6030204@idccenter.cn> <44CB1303.7010303@l4x.org> <20060731094424.E2280998@wobbly.melbourne.sgi.com> <44CDA156.6000105@idccenter.cn> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.2.5i In-Reply-To: <44CDA156.6000105@idccenter.cn>; from linux@idccenter.cn on Mon, Jul 31, 2006 at 02:21:10PM +0800 Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Mon, Jul 31, 2006 at 02:21:10PM +0800, kernel wrote: > Test again......very strange. > I can easily reproduce it on the XFS with SAN(FLX380) connected with a > qlogic 2400 FC card. Eggshellent... can you reproduce it with each of those changes (below) backed out of your tree please? Else, git bisect is our next best bet. Thanks! > > 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? cheers. -- Nathan