Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S933334AbXAaXKJ (ORCPT ); Wed, 31 Jan 2007 18:10:09 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S933320AbXAaXKJ (ORCPT ); Wed, 31 Jan 2007 18:10:09 -0500 Received: from mailout.stusta.mhn.de ([141.84.69.5]:54312 "EHLO mailhub.stusta.mhn.de" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S933334AbXAaXKH (ORCPT ); Wed, 31 Jan 2007 18:10:07 -0500 Date: Thu, 1 Feb 2007 00:10:13 +0100 From: Adrian Bunk To: Jeff Garzik Cc: Luca Tettamanti , Jan Engelhardt , Peter Osterlund , linux-kernel@vger.kernel.org, linux-ide@vger.kernel.org, justin@jmicron.com, Christoph Hellwig Subject: Re: [2.6.20-rc6] pktcdvd doesn't work Message-ID: <20070131231013.GW3754@stusta.de> References: <20070130195319.GA10994@dreamland.darkstar.lan> <20070130203601.GB15067@dreamland.darkstar.lan> <20070130231623.GA7648@dreamland.darkstar.lan> <45C0764B.8060906@pobox.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <45C0764B.8060906@pobox.com> User-Agent: Mutt/1.5.13 (2006-08-11) Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 3776 Lines: 100 On Wed, Jan 31, 2007 at 05:58:19AM -0500, Jeff Garzik wrote: > Luca Tettamanti wrote: > >Hi Jeff, linux-ide, > >I'm having troubles with libata and UDF on RW media. See below. > > > >Il Tue, Jan 30, 2007 at 09:42:34PM +0100, Jan Engelhardt ha scritto: > >>On Jan 30 2007 21:36, Luca Tettamanti wrote: > >>>Il Tue, Jan 30, 2007 at 09:02:20PM +0100, Jan Engelhardt ha scritto: > >>>>On Jan 30 2007 20:53, Luca Tettamanti wrote: > >>>>>Hi, > >>>>>pktcdvd on kernel 2.6.20-rc6 is not working as expected. Any file that > >>>>Did it work previously? > >>>Yup, It used to work but since I rarely use it I don't remember which > >>>kernel version worked for me. > >>Hm, maybe you can take a guess. > > > >I can bisect pktcdvd.c if necessary, but it seems that it's innocent. > > > >>>>>is written to the device is lost after umount. > >>>>>I rarely use pktcdvd but at some point it used to work on my system. > >>>>> > >>>>>This is what I'm doing: > >>>>> > >>>>>root@dreamland:/tmp# cdrwtool -d /dev/scd0 -q > >>>>>scsi 8:0:0:0: CD-ROM HL-DT-ST DVDRAM GSA-4167B DL13 PQ: 0 > >>>>>ANSI: 5 > >>>>In case you are using ide-scsi: try without. > >>>It's libata jmicron driver. Shall I try the "old" PATA driver on the > >>>next reboot? > >>If you have lots of CDRs/DVDRs to spare (or a CDRW/DVDRW), every test is > >>welcome. > > > >With the legacy IDE driver it works fine. > >The unit is DVD-RAM capable so the firmware should handle random writes > >fine; I've tried mounting /dev/scd0 rw *without* pktcdvd and I still > >lose files. So I guess it has something to do with libata. > > > >So to recap, after formatting the disk with UDF: > > > >* libata > > - mount with pktcdvd: all files are lost upon umount > > - mount scd0 w/out pktcdvd: all files are lost upon umount > > - write the disk with cdrecord: OK > > > > pktcdvd reports wrong capacity: > > > > pktcdvd: Fixed packets, 32 blocks, Mode-2 disc > > pktcdvd: Max. media speed: 4 > > pktcdvd: write speed 4x > > pktcdvd: 0kB available on disc > > UDF-fs INFO UDF 0.9.8.1 (2004/29/09) Mounting volume 'LinuxUDF', > > timestamp 2007/01/30 18:18 (103c) > > > >* legacy IDE driver > > - mount with pktcdvd: OK > > - mount hda w/out pktcdvd: corrupts FS (duh) > > - write the disk with cdrecord: OK > > > > pktcdvd reports correct capacity: > > > > pktcdvd: writer pktcdvd0 mapped to hda > > pktcdvd: Fixed packets, 32 blocks, Mode-2 disc > > pktcdvd: Max. media speed: 4 > > pktcdvd: write speed 4x > > pktcdvd: 551232kB available on disc > > UDF-fs INFO UDF 0.9.8.1 (2004/29/09) Mounting volume 'LinuxUDF', > > timestamp 2007/01/30 22:19 (103c) > > > >The HW is a JMicron controller: > >02:00.0 IDE interface: JMicron Technologies, Inc. JMicron 20360/20363 AHCI > >Controller (rev 02) > >02:00.1 IDE interface: JMicron Technologies, Inc. JMicron 20360/20363 AHCI > >Controller (rev 02) > > hmmm, definitely interesting behavior. > > Would you mind putting this info into a bugzilla.kernel.org report, so > that it is not lost? This bug will likely go into a heavy ATAPI > debugging session that is coming in a few weeks, but not immediately :/ Is this related to #7810 (which is caused by Christoph's patches) or is this issue another 2.6.20-rc pktcdvd regression? > Jeff cu Adrian -- "Is there not promise of rain?" Ling Tan asked suddenly out of the darkness. There had been need of rain for many days. "Only a promise," Lao Er said. Pearl S. Buck - Dragon Seed - 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/