From mboxrd@z Thu Jan 1 00:00:00 1970 From: Tejun Heo Subject: Re: libata /dev/scd0 problem: mount after burn fails without eject Date: Fri, 04 May 2007 10:41:41 +0200 Message-ID: <463AF1C5.4090401@gmail.com> References: <20070501135951.GA17072@janus> <46374C11.1010702@rtr.ca> <6bffcb0e0705010731v44cfad1awf4342121245f7ab3@mail.gmail.com> <463AEBE0.7010506@gmail.com> <20070504083735.GA20072@janus> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Return-path: Received: from wr-out-0506.google.com ([64.233.184.226]:28225 "EHLO wr-out-0506.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754602AbXEDIl7 (ORCPT ); Fri, 4 May 2007 04:41:59 -0400 Received: by wr-out-0506.google.com with SMTP id 76so824409wra for ; Fri, 04 May 2007 01:41:58 -0700 (PDT) In-Reply-To: <20070504083735.GA20072@janus> Sender: linux-ide-owner@vger.kernel.org List-Id: linux-ide@vger.kernel.org To: Frank van Maarseveen Cc: Michal Piotrowski , Mark Lord , linux-scsi , IDE/ATA development list , linux-kernel@vger.kernel.org, Alan Cox , bzolnier@gmail.comIDE/ATA development list linux-kernel@vger.kernel.org Frank van Maarseveen wrote: > On Fri, May 04, 2007 at 10:16:32AM +0200, Tejun Heo wrote: >> Michal Piotrowski wrote: >>> On 01/05/07, Mark Lord wrote: >>>> Forwarding to linux-scsi and linux-ide mailing lists. >>>> >>>> Frank van Maarseveen wrote: >>>>> Tested on 2.6.20.6 and 2.6.21.1 >>>>> >>>>> I decided to swich from the old IDE drivers to libata and now there >>>>> seems to be a little but annoying problem: cannot mount an ISO image >>>>> after burning it. >>>>> >>>>> May 1 14:32:55 kernel: attempt to access beyond end of device >>>>> May 1 14:32:55 kernel: sr0: rw=0, want=68, limit=4 >>>>> May 1 14:32:55 kernel: isofs_fill_super: bread failed, dev=sr0, >>>> iso_blknum=16, block=16 >>>>> an "eject" command seems to fix the state of the PATA DVD writer >>>>> or driver. The problem occurs for burning a CD and for DVD too with >>>>> identical error messages. >> Right after burning, if you run 'fuser -v /dev/sr0', what does it say? > > Tried the fuser as root to be sure but it didn't show anything. I guess sr is forgetting to set media changed flag somewhere. Don't really know where tho. CC'd Bartlomiej, linux-scsi and linux-ide. Any ideas? -- tejun