From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753071AbYJZLCv (ORCPT ); Sun, 26 Oct 2008 07:02:51 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751962AbYJZLCn (ORCPT ); Sun, 26 Oct 2008 07:02:43 -0400 Received: from mtagate2.uk.ibm.com ([194.196.100.162]:45964 "EHLO mtagate2.uk.ibm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751703AbYJZLCm (ORCPT ); Sun, 26 Oct 2008 07:02:42 -0400 From: Christian Borntraeger To: Jens Axboe Subject: Re: WARNING: at drivers/ata/libata-eh.c:664 (and others) with 2.6.27-05178 Date: Sun, 26 Oct 2008 12:02:37 +0100 User-Agent: KMail/1.9.9 Cc: LKML References: <200810251118.14714.borntraeger@de.ibm.com> In-Reply-To: <200810251118.14714.borntraeger@de.ibm.com> MIME-Version: 1.0 Content-Type: text/plain; charset="iso-8859-15" Content-Transfer-Encoding: 7bit Content-Disposition: inline Message-Id: <200810261202.37202.borntraeger@de.ibm.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Am Samstag, 25. Oktober 2008 schrieb Christian Borntraeger: > Hello Jens, > > while doing a backup on DVD+R I got the following warning (and a k3b hung). > the drive is a Plextor 716A on a jmicron PATA port. > I have never seen this with earlier kernels. I am a bit reluctant to > reproduce or bisect this problem, since it might kills my blank DVDs. > Could this be related to commit > e013e13bf605b9e6b702adffbe2853cfc60e7806 (libata: fix bug with non-ncq devices)? > Thank you for any idea. OK. Now it also fails on 2.6.26, so it looks like a hardware problem. The only difference is, that 2.6.26 shows no WARN_ON. Christian