Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1030554AbXAaTRl (ORCPT ); Wed, 31 Jan 2007 14:17:41 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1030556AbXAaTRk (ORCPT ); Wed, 31 Jan 2007 14:17:40 -0500 Received: from wx-out-0506.google.com ([66.249.82.236]:63509 "EHLO wx-out-0506.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1030554AbXAaTRi (ORCPT ); Wed, 31 Jan 2007 14:17:38 -0500 DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=beta; h=received:message-id:date:from:to:subject:cc:in-reply-to:mime-version:content-type:content-transfer-encoding:content-disposition:references; b=c5wmggyBKwkxJStZN+6JVs1aJL9Win4ZCPiqxmFMzQkdM7VoQqWPgi6ESFU2LRzELLQFkQ/7ZO2YFCwS+1ctYLG90f5oS1eAXvXxEvDeHAU5EzSNvwmtSIXbzUJ50HrcJeleYEz59cOcrxm3k930b/9mVfn3xsZLFUn+EChKMas= Message-ID: Date: Wed, 31 Jan 2007 14:17:37 -0500 From: "Fabio Comolli" To: "Jeff Garzik" Subject: Re: [2.6.20-rc6] pktcdvd doesn't work Cc: "Luca Tettamanti" , "Jan Engelhardt" , "Peter Osterlund" , linux-kernel@vger.kernel.org, linux-ide@vger.kernel.org, justin@jmicron.com In-Reply-To: <45C0764B.8060906@pobox.com> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Content-Disposition: inline References: <20070130195319.GA10994@dreamland.darkstar.lan> <20070130203601.GB15067@dreamland.darkstar.lan> <20070130231623.GA7648@dreamland.darkstar.lan> <45C0764B.8060906@pobox.com> Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 4141 Lines: 110 Hi all. I don't know if this report can be useful, but this problem does not show up in my setup. I tried multiple times to copy 10MB files (unmounting and remounting every time) and verified with md5sum the results and everything is correct. Details: * kernel version: 2.6.20-rc6-g93544047 * driver: ata_piix (only a PATA hard disk and a DVD writer) * writer: TSSTcorp CD/DVDW TS-L532M HR08 PQ: 0 ANSI: 5). * udftools version: udftools-1.0.0b3-7.fc6 Regards, Fabio On 1/31/07, 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 :/ > > Jeff > > > > - > 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/ > - 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/