From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S267630AbUG3GKV (ORCPT ); Fri, 30 Jul 2004 02:10:21 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S267633AbUG3GKV (ORCPT ); Fri, 30 Jul 2004 02:10:21 -0400 Received: from ns.virtualhost.dk ([195.184.98.160]:57769 "EHLO virtualhost.dk") by vger.kernel.org with ESMTP id S267630AbUG3GKN (ORCPT ); Fri, 30 Jul 2004 02:10:13 -0400 Date: Fri, 30 Jul 2004 08:10:06 +0200 From: Jens Axboe To: Robert Love Cc: "Bryan O'Sullivan" , Arjan van de Ven , Dave Jones , Edward Angelo Dayao , linux-kernel@vger.kernel.org Subject: Re: Recent 2.6 kernels can't read an entire ATAPI CD or DVD Message-ID: <20040730061005.GF18347@suse.de> References: <20040728065319.GD11690@suse.de> <20040728145228.GA9316@redhat.com> <20040728145543.GB18846@devserv.devel.redhat.com> <20040728163353.GJ10377@suse.de> <20040728170507.GK10377@suse.de> <1091051858.13651.1.camel@camp4.serpentine.com> <20040729084928.GR10377@suse.de> <1091166553.1982.9.camel@localhost> <20040730055333.GC7925@suse.de> <1091167031.1982.13.camel@localhost> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1091167031.1982.13.camel@localhost> Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Fri, Jul 30 2004, Robert Love wrote: > On Fri, 2004-07-30 at 07:53 +0200, Jens Axboe wrote: > > > read-ahead doesn't matter on ripping audio, just for fs work. > > This isn't ripping, just playing. Strange, something else must be accessing the drive at the same time. > > The audio problems might be fixed in 2.6.8-rc1-mm1 + the bounce patch > > posted a few times (unfortunately 2.6.8-rc2-mm1 drops the patch for some > > reason). > > Yah, I will retest with 2.6.8-rc2-mm1. If it's just playback, don't bother. > > > [1] > > > hdc: command error: status=0x51 { DriveReady SeekComplete Error } > > > hdc: command error: error=0x54 > > > end_request: I/O error, dev hdc, sector 8 > > > Buffer I/O error on device hdc, logical block 1 > > > > So this happens during ripping, or? > > During playback. Or any poking of the drive whatsoever, actually. > > There will be multiple errors on different blocks, until ultimately IDE > times out and does an ATAPI reset. So the question is - what else is accessing the drive? -- Jens Axboe