linux-kernel - 2.6.18-rc5-mm1 -- Fwd: readcd fails to read info from a WinXP created CDR

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Date:	Sun, 3 Sep 2006 14:12:16 -0700
From:	"Miles Lane" <miles.lane@...il.com>
To:	LKML <linux-kernel@...r.kernel.org>, "Jens Axboe" <axboe@...e.de>,
	"Andrew Morton" <akpm@...l.org>
Subject: 2.6.18-rc5-mm1 -- Fwd: readcd fails to read info from a WinXP created CDR

---------- Forwarded message ----------
From: Joerg Schilling <Joerg.Schilling@...us.fraunhofer.de>
Date: Sep 3, 2006 1:53 PM
Subject: Re: readcd fails to read info from a WinXP created CDR
To: schilling@...us.fraunhofer.de, miles.lane@...il.com


"Miles Lane" <miles.lane@...il.com> wrote:

> Hello Jorg,
>
> I created a large zip file in Windows XP, then formatted a CDR and
> dragged the zipfile over to the disk in the file manager.  It got
> writting fine.  I have verified that I can read the CDR in WIndows XP
> (it shows up as a UDF disc).  But, none of the Linux apps in Ubuntu
> 6.06.1 can read this CDR, including readcd.  This would seem to be a
> fault in Linux apps.  I got all the debugging info I could using
> readcd.  Can you take a look and see whether there is anything to be
> done to get this working in Linux?

> Executing 'read toc' command on Bus 1 Target 1, Lun 0 timeout 40s
> CDB:  43 00 02 00 00 00 00 00 04 00
> readcd: Success. read toc: scsi sendcmd: no error
> CDB:  43 00 02 00 00 00 00 00 04 00
> status: 0x2 (CHECK CONDITION)
> Sense Bytes: 70 00 05 00 00 00 00 12 00 00 00 00 24 00 00 00
> Sense Key: 0x5 Illegal Request, Segment 0
> Sense Code: 0x24 Qual 0x00 (invalid field in cdb) Fru 0x0
> Sense flags: Blk 0 (not valid)
> resid: 4
> cmd finished after 0.005s timeout 40s
> readcd: Cannot read TOC header

This is a well known linux kernel bug.

You should start using Solaris.....


The Linux kernel bastardizes ATAPI transported SCSI commands under some
circumstances.


READ TOC & BLANK are the commands that are usually affected.

Using Solaris with exactly the same hardware verifies that it is a Linux
kernel bug.

----------------------------------------

Can we please get this fixed?

Thanks,
        Miles

-- 
VGER BF report: U 0.500002
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