From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932891AbXCUSXb (ORCPT ); Wed, 21 Mar 2007 14:23:31 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S933353AbXCUSXb (ORCPT ); Wed, 21 Mar 2007 14:23:31 -0400 Received: from mail.velocity.net ([66.211.211.55]:53205 "EHLO mail.velocity.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932891AbXCUSX3 (ORCPT ); Wed, 21 Mar 2007 14:23:29 -0400 X-AV-Checked: Wed Mar 21 14:23:28 2007 clean Subject: Re: PROBLEM: null pointer dereference in cfq_dispatch_requests (2.6.21-rc2 and 2.6.20) From: Dale Blount To: Chuck Ebbert Cc: linux-kernel@vger.kernel.org In-Reply-To: <460174EC.8000608@redhat.com> References: <1172685755.5773.6.camel@dwillia2-linux.ch.intel.com> <200703011308.28266.linux@f-seidel.de> <20070301123057.GO23985@kernel.dk> <460174EC.8000608@redhat.com> Content-Type: text/plain Date: Wed, 21 Mar 2007 14:23:27 -0400 Message-Id: <1174501407.14261.34.camel@dale.velocity.net> Mime-Version: 1.0 X-Mailer: Evolution 2.8.3 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org 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). Dale