From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S933585AbXCUSqv (ORCPT ); Wed, 21 Mar 2007 14:46:51 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S933591AbXCUSqv (ORCPT ); Wed, 21 Mar 2007 14:46:51 -0400 Received: from mx1.redhat.com ([66.187.233.31]:51151 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S933585AbXCUSqu (ORCPT ); Wed, 21 Mar 2007 14:46:50 -0400 Message-ID: <4601789B.8040403@redhat.com> Date: Wed, 21 Mar 2007 14:25:31 -0400 From: Chuck Ebbert Organization: Red Hat User-Agent: Thunderbird 1.5.0.10 (X11/20070302) MIME-Version: 1.0 To: Dale Blount CC: linux-kernel@vger.kernel.org, Neil Brown Subject: Re: PROBLEM: null pointer dereference in cfq_dispatch_requests (2.6.21-rc2 and 2.6.20) References: <1172685755.5773.6.camel@dwillia2-linux.ch.intel.com> <200703011308.28266.linux@f-seidel.de> <20070301123057.GO23985@kernel.dk> <460174EC.8000608@redhat.com> <1174501407.14261.34.camel@dale.velocity.net> In-Reply-To: <1174501407.14261.34.camel@dale.velocity.net> 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 Dale Blount wrote: > On Wed, 2007-03-21 at 14:09 -0400, Chuck Ebbert wrote: >> Dale Blount wrote: >>>> I'm puzzled why this is hitting Dan, but no one else has reported >>>> anything. Dan, did 2.6.19 work for you? >>> Actually, I believe it is happening to me too. This is on a 4-disk raid5 with >>> one failed disk on two 2-port sata_sil pci controller cards. >>> >>> The BUG below is from 2.6.20.3, but I will try 2.6.21-rc4 tonight. >>> The disk didn't fail until 2.6.20, so I don't know if 2.6.19 would have worked >>> or not. >>> >>> >> Just to be clear: you have a RAID array (what level?) with a failed disk >> and it's giving you the same error that Dan gets? > > > Yes, the BUG looks to be pretty similar to me. It's a 4 disk raid5 with > one disk missing (dead and sent in for RMA). > OK, I'm add NeilB to the cc: (Dan has a RAID6 array with two failed disks.)