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

From: Bjoern Olausson
Date: Mon Mar 24 2008 - 21:46:35 EST


On 3/24/08, Jeff Garzik <jeff@xxxxxxxxxx> 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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