Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1761412AbZJNCHP (ORCPT ); Tue, 13 Oct 2009 22:07:15 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1761332AbZJNCHM (ORCPT ); Tue, 13 Oct 2009 22:07:12 -0400 Received: from idcmail-mo1so.shaw.ca ([24.71.223.10]:40660 "EHLO idcmail-mo1so.shaw.ca" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1761231AbZJNCHJ (ORCPT ); Tue, 13 Oct 2009 22:07:09 -0400 X-Cloudmark-SP-Filtered: true X-Cloudmark-SP-Result: v=1.0 c=1 a=aRq4Ow10j4gA:10 a=w4iE+TBsmj5y1WloLYF40w==:17 a=VwQbUJbxAAAA:8 a=W0vUJOdyAAAA:8 a=6Hhw-4AeoF6RKra1lM4A:9 a=Uq3VrzhYLQvyGs4K2T4A:7 a=KZjrsIMKP00gJEozHXVr3Wl8iT0A:4 a=x8gzFH9gYPwA:10 From: Thomas Fjellstrom Reply-To: tfjellstrom@shaw.ca To: linux-kernel@vger.kernel.org Subject: Re: buffer io error on device sr0? Date: Tue, 13 Oct 2009 20:06:16 -0600 User-Agent: KMail/1.12.1 (Linux/2.6.32-rc3-git2; KDE/4.3.2; x86_64; ; ) Cc: Robert Hancock References: <200910130343.32162.tfjellstrom@shaw.ca> <4AD51D3F.2030603@gmail.com> In-Reply-To: <4AD51D3F.2030603@gmail.com> MIME-Version: 1.0 Content-Type: Text/Plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit Message-Id: <200910132006.16747.tfjellstrom@shaw.ca> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 2428 Lines: 54 On Tue October 13 2009, Robert Hancock wrote: > On 10/13/2009 03:43 AM, Thomas Fjellstrom wrote: > > I'm not sure which version it started, but it seems at least > > 2.6.32-rc3-git2 has issues with detecting blank DVDR disks. > > > > [220595.198654] cdrom: This disc doesn't have any tracks I recognize! > > [220595.298488] sr 3:0:0:0: [sr0] Unhandled sense code > > [220595.298492] sr 3:0:0:0: [sr0] Result: hostbyte=DID_OK > > driverbyte=DRIVER_SENSE > > [220595.298496] sr 3:0:0:0: [sr0] Sense Key : Blank Check [current] > > [220595.298501] sr 3:0:0:0: [sr0] Add. Sense: No additional sense > > information [220595.298505] sr 3:0:0:0: [sr0] CDB: Read(10): 28 00 00 00 > > 00 00 00 00 01 00 [220595.298514] end_request: I/O error, dev sr0, sector > > 0 > > [220595.298518] Buffer I/O error on device sr0, logical block 0 > > [220595.304554] sr 3:0:0:0: [sr0] Unhandled sense code > > [220595.304562] sr 3:0:0:0: [sr0] Result: hostbyte=DID_OK > > driverbyte=DRIVER_SENSE > > [220595.304570] sr 3:0:0:0: [sr0] Sense Key : Blank Check [current] > > [220595.304579] sr 3:0:0:0: [sr0] Add. Sense: No additional sense > > information [220595.304588] sr 3:0:0:0: [sr0] CDB: Read(10): 28 00 00 00 > > 00 00 00 00 01 00 [220595.304609] end_request: I/O error, dev sr0, sector > > 0 > > [220595.304616] Buffer I/O error on device sr0, logical block 0 > > > > Unless its supposed to be this way. Although I didn't receive any kind of > > notification when inserting the disk, as I used to (could be a hal/kde > > error, but the logs in dmesg seem to hint otherwise). > > Something tried to read off the disk and the drive reported "no way, > it's blank". That's all this indicates. Most likely HAL or something is > doing the read.. Ah, I was reading it as "Someone is checking for a disk, lets return an error instead of just saying the disk is blank". Thanks for the clarification. > -- > To unsubscribe from this list: send the line "unsubscribe linux-kernel" in > the body of a message to majordomo@vger.kernel.org > More majordomo info at http://vger.kernel.org/majordomo-info.html > Please read the FAQ at http://www.tux.org/lkml/ > -- Thomas Fjellstrom tfjellstrom@shaw.ca -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/