Date: Fri, 22 Jun 2007 14:53:11 -0700 From: Doug Barton <dougb@FreeBSD.org> To: current@freebsd.org Subject: Re: Cannot access retail DVDs with external drive Message-ID: <467C44C7.7060809@FreeBSD.org> In-Reply-To: <20070621182046.GB1486@roadrunner.q.local> References: <20070621182046.GB1486@roadrunner.q.local>
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Ulrich Spoerlein wrote:
> Hi all,
>
> the following drive, when attached via USB (or Firewire) fails to do
> _anything_ with retail DVDs. I can read burned CDs just fine, however.
>
> cd0 at umass-sim0 bus 0 target 0 lun 0
> cd0: <PLEXTOR DVDR PX-755A 1.06> Removable CD-ROM SCSI-0 device
> cd0: 40.000MB/s transfers
> cd0: cd present [2042992 x 2048 byte records]
>
> (cd0:umass-sim0:0:0:0): READ TOC/PMA/ATIP {MMC Proposed}. CDB: 43 0 0 0 0 0 1 0 c 0
> (cd0:umass-sim0:0:0:0): CAM Status: SCSI Status Error
> (cd0:umass-sim0:0:0:0): SCSI Status: Check Condition
> (cd0:umass-sim0:0:0:0): ILLEGAL REQUEST asc:24,0
> (cd0:umass-sim0:0:0:0): Invalid field in CDB
> (cd0:umass-sim0:0:0:0): Unretryable error
>
> This is with a recent kernel, and I'd like to know, if there are any
> knobs I could/should try to debug this further.
It was suggested recently that trying to access the DVD with something
like mplayer first would do the magic that you require. You would need
to do this with each new DVD that you insert.
hth,
Doug
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