Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755907AbZG2Q5y (ORCPT ); Wed, 29 Jul 2009 12:57:54 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1755883AbZG2Q5x (ORCPT ); Wed, 29 Jul 2009 12:57:53 -0400 Received: from mx2.redhat.com ([66.187.237.31]:33400 "EHLO mx2.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755881AbZG2Q5w (ORCPT ); Wed, 29 Jul 2009 12:57:52 -0400 Message-ID: <4A707F85.5090008@redhat.com> Date: Wed, 29 Jul 2009 18:57:41 +0200 From: Milan Broz User-Agent: Thunderbird 2.0.0.22 (X11/20090605) MIME-Version: 1.0 To: Paul Clements CC: linux-raid@vger.kernel.org, Neil Brown , kernel list , ian.campbell@citrix.com Subject: Re: [BUG] raid1 behind writes alter bio structure illegally References: <4A707578.3010901@steeleye.com> In-Reply-To: <4A707578.3010901@steeleye.com> X-Enigmail-Version: 0.96.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 942 Lines: 28 Hi Paul, Paul Clements wrote: > I've run into this bug on a 2.6.18 kernel, but I think the fix is still > applicable to the latest kernels (even though the symptoms would be > slightly different). > > Perhaps someone who knows the block and/or SCSI layers well can comment > on the legality of attaching new pages to a bio without fixing up the > internal bio counters (details below)? > LVM over raid1 over SCSI/nbd Please can you try that backporting of this patch helps? http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commitdiff;h=5d84070ee0a433620c57e85dac7f82faaec5fbb3 (If so, see https://bugzilla.redhat.com/show_bug.cgi?id=512387) Milan -- mbroz@redhat.com -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/