From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1767644AbXDFNq0 (ORCPT ); Fri, 6 Apr 2007 09:46:26 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1767646AbXDFNqZ (ORCPT ); Fri, 6 Apr 2007 09:46:25 -0400 Received: from hancock.steeleye.com ([71.30.118.248]:49720 "EHLO hancock.sc.steeleye.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1767644AbXDFNqY (ORCPT ); Fri, 6 Apr 2007 09:46:24 -0400 Subject: Re: Oops in scsi_send_eh_cmnd 2.6.21-rc5-git6,7,10,13 From: James Bottomley To: Andrew Burgess Cc: davem@davemloft.net, linux-kernel@vger.kernel.org, linux-scsi@vger.kernel.org In-Reply-To: <200704060221.l362LD4s025776@cichlid.com> References: <200704060221.l362LD4s025776@cichlid.com> Content-Type: text/plain Date: Fri, 06 Apr 2007 08:44:54 -0500 Message-Id: <1175867094.3677.5.camel@mulgrave.il.steeleye.com> Mime-Version: 1.0 X-Mailer: Evolution 2.8.3 (2.8.3-2.fc6) Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Thu, 2007-04-05 at 19:21 -0700, Andrew Burgess wrote: > 2.6.20.4 with your patch dies in the memcpy (as does 21-gitN) > > 2.6.20.4 without your patch dies in the subsequent __free_page > with a null pointer ref at 000...008 > > James should I try your posted patch? On which kernel? Well, mine will work, but will also cover up the problem. It looks like the scatterlist is getting corrupted by the HBA driver somehow ... we really need to root cause this, otherwise other things will go wrong in strange ways. Just to confirm, the HBA with the problem is 3w-xxxx? James