From mboxrd@z Thu Jan 1 00:00:00 1970 From: Mark Lord Subject: Re: What's with libata and DVDs ? Date: Sun, 07 Dec 2008 00:01:13 -0500 Message-ID: <493B5899.8050803@rtr.ca> References: <493B554D.3070403@rtr.ca> Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Return-path: Received: from rtr.ca ([76.10.145.34]:59820 "EHLO mail.rtr.ca" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753590AbYLGFAB (ORCPT ); Sun, 7 Dec 2008 00:00:01 -0500 Received: from [10.0.0.6] (corey.localnet [10.0.0.6]) by mail.rtr.ca (Postfix) with ESMTP id 9A53794679E for ; Sun, 7 Dec 2008 00:01:13 -0500 (EST) In-Reply-To: <493B554D.3070403@rtr.ca> Sender: linux-ide-owner@vger.kernel.org List-Id: linux-ide@vger.kernel.org To: IDE/ATA development list Mark Lord wrote: > Attempting to play a known-good DVD-video in MythTV-0.21 > using libata in kernel 2.6.27.7 : > > sr 4:0:0:0: [sr0] unaligned transfer > Buffer I/O error on device sr0, logical block 1080 > Buffer I/O error on device sr0, logical block 1081 > Buffer I/O error on device sr0, logical block 1082 > Buffer I/O error on device sr0, logical block 1083 > Buffer I/O error on device sr0, logical block 1084 > Buffer I/O error on device sr0, logical block 1085 > Buffer I/O error on device sr0, logical block 1086 > Buffer I/O error on device sr0, logical block 1087 > Buffer I/O error on device sr0, logical block 1088 > sr 4:0:0:0: [sr0] unaligned transfer > sr 4:0:0:0: [sr0] unaligned transfer > sr 4:0:0:0: [sr0] unaligned transfer > > This used to work back in 2.6.25 or so. > Anyone else out there have similar DVD issues ? .. Mmm.. some DVDs play, others don't. I'll instrument the code and see if anything obvious pops up someday. Ignore me for now. :)