From mboxrd@z Thu Jan 1 00:00:00 1970 From: Vlad Codrea Subject: Re: DVD drive fails in 2.6.20.2 Date: Wed, 14 Mar 2007 11:58:18 -0500 Message-ID: <45F829AA.4080000@mail.utexas.edu> References: <45F631F7.6020106@mail.utexas.edu> <45F7760B.10102@gmail.com> <45F81177.9070106@mail.utexas.edu> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Return-path: Received: from ironmaiden.mail.utexas.edu ([128.83.32.53]:37906 "EHLO ironmaiden.mail.utexas.edu" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751696AbXCNQ6Y (ORCPT ); Wed, 14 Mar 2007 12:58:24 -0400 In-Reply-To: <45F81177.9070106@mail.utexas.edu> Sender: linux-ide-owner@vger.kernel.org List-Id: linux-ide@vger.kernel.org To: htejun@gmail.com Cc: linux-ide@vger.kernel.org Vlad Codrea wrote: > Tejun Heo wrote: >> Vlad Codrea wrote: >> >>> ata2.00: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x2 frozen >>> ata2.00: (BMDMA stat 0x25) >>> ata2.00: cmd a0/01:00:00:00:00/00:00:00:00:00/a0 tag 0 cdb 0x12 data >>> 36 in >>> res 58/00:02:00:24:00/00:00:00:00:00/a0 Emask 0x2 (HSM >>> violation) >>> ata2: soft resetting port >>> ata2: port is slow to respond, please be patient (Status 0xd8) >>> ata2: port failed to respond (30 secs, Status 0xd8) >>> ATA: abnormal status 0xD8 on port 0x177 >>> ATA: abnormal status 0xD8 on port 0x177 >>> >> >> Okay, now that you're on libata driver, it's easier for me to debug. >> Can you apply the attached patch over 2.6.20 and report what the kernel >> says? (the patch will apply with some noise, it's okay) >> > > > I've applied your patch and recompiled the kernel, but the new dmesg > (attached as dmesg_2.txt) doesn't seem to have changed much. After doing a cold reboot without an inserted CD, it's now saying "ata2.00: (BMDMA stat 0x5)" instead of "ata2.00: (BMDMA stat 0x25)" I'm not sure whether this is significant... Vlad