From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753914AbYFLCK0 (ORCPT ); Wed, 11 Jun 2008 22:10:26 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1752238AbYFLCKN (ORCPT ); Wed, 11 Jun 2008 22:10:13 -0400 Received: from an-out-0708.google.com ([209.85.132.247]:24337 "EHLO an-out-0708.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751234AbYFLCKL (ORCPT ); Wed, 11 Jun 2008 22:10:11 -0400 DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=message-id:date:from:to:subject:cc:in-reply-to:mime-version :content-type:content-transfer-encoding:content-disposition :references; b=tOurd+fz2u4WIZDG6BmGQRmd7jkatMyo1JWXNYU30JvN5UHtrPSjutYdyekN0heOKL XjlVpBq/aiMdrGN9js+IpBgQK1o6NsWfDhP6h8f7O37f7wZLeIwRwHjlhkqltq4MFVrG mJcWUEJwLAmMwPRejQArpV2ziSV5Med5LCtlw= Message-ID: Date: Thu, 12 Jun 2008 02:10:10 +0000 From: "Justin Mattock" To: "Tejun Heo" Subject: Re: macbook pro dvd playback after suspend Buffer I/O error Cc: "Andrew Morton" , linux-kernel@vger.kernel.org, linux-ide@vger.kernel.org In-Reply-To: <4850794F.3000200@gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Content-Disposition: inline References: <20080404012147.abf8a598.akpm@linux-foundation.org> <484F31B8.8030001@gmail.com> <485048EC.2080608@gmail.com> <4850794F.3000200@gmail.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thu, Jun 12, 2008 at 1:18 AM, Tejun Heo wrote: > Justin Mattock wrote: >> O.K. attached is dmesg of playing a dvd, then suspending and wakingup, >> as well as starting after the buffer error.(audit messages) >> This is interesting, even pausing the dvd before suspending, causes >> the same error. >> I sent a post to mplayer-users to see if there is a way to have >> mplayer pause and wait for the disk drive to align, but am still >> waiting >> for a response. > > Can you please do the followings? > > 1. dd if=/dev/sr0 of=/dev/null bs=1M > 2. suspend / resume > 3. see whether dd fails and post the resulting dmesg. > > Thanks. > > -- > tejun > Hello; I did what you had suggested(twice below is the first,same results with second) upon wakeup dd just quits giving me this: dd: reading `/dev/sr0': Input/output error 3+1 records in 3+1 records out 3276800 bytes (3.3 MB) copied, 21.834 seconds, 150 kB/s And under dmesg: [ 329.596421] end_request: I/O error, dev sr0, sector 6400 [ 329.596437] Buffer I/O error on device sr0, logical block 800 [ 329.596903] Buffer I/O error on device sr0, logical block 833 [ 329.596912] Buffer I/O error on device sr0, logical block 834 [ 329.596919] Buffer I/O error on device sr0, logical block 835 [ 329.596926] Buffer I/O error on device sr0, logical block 836 [ 329.596934] Buffer I/O error on device sr0, logical block 837 [ 329.596941] Buffer I/O error on device sr0, logical block 838 [ 329.596949] Buffer I/O error on device sr0, logical block 839 [ 329.596956] Buffer I/O error on device sr0, logical block 840 [ 329.596963] Buffer I/O error on device sr0, logical block 841 regards; -- Justin P. Mattock