linux-kernel - Re: Burning CDs as user produces coasters (Plextor drive)

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Message-ID: <5501535d0803241846k69f68738mda1aa6d10f1baa49@mail.gmail.com>
Date:	Tue, 25 Mar 2008 02:46:21 +0100
From:	"Bjoern Olausson" <lkmlist@...il.com>
To:	"Jeff Garzik" <jeff@...zik.org>
Cc:	"Gregor Jasny" <gjasny@...glemail.com>,
	"Linux Kernel Mailing List" <linux-kernel@...r.kernel.org>,
	linux-ide@...r.kernel.org
Subject: Re: Burning CDs as user produces coasters (Plextor drive)

On 3/24/08, Jeff Garzik <jeff@...zik.org> wrote:
> Gregor Jasny wrote:
>  > Hi,
>  >
>  > since some time burning ISO CD images as user fails.
>  > Wodim stops during OPC and the kernel prints some messages:
>  >
>  > scsi: unknown opcode 0xe9
>  > scsi: unknown opcode 0xed
>  > scsi: unknown opcode 0xf5
>  > scsi: unknown opcode 0xeb
>  >
>  > If I burn as root, everything works fine. The used CD writer is a
>  > "PLEXTOR  DVDR   PX-712A   1.09". I've seen in the wodim/cdrecord
>  > sources that plextor drives are handled different from other drives.
>  >
>  > Do you know what the above listed commands are for?
>  > Maybe they could be included in blk_verify_command?
>  > If your'e not sure about the dangerousness maybe as a config option?
>
>
> What drivers and kernel versions work (and which fail)?
>
>         Jeff
>
>

The PX-712A still doesn't work right? Maybe it is related to the bug:
http://bugzilla.kernel.org/show_bug.cgi?id=8918

Tejun has the dirve, but nothing new for now.
http://bugzilla.kernel.org/show_bug.cgi?id=8918

regards
Bjoern
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