USB CD drive won't play audio CDs

[Warren Block]

On Sun, 14 Nov 2010, Markus Hoenicka wrote:

> Markus Hoenicka writes:
> >
> > I'm making progress towards getting most out of my TravelMate
> > 8371. Lots of things work, but I ran into a problem with my external
> > CD drive, a Sony DRX-S77U DVD/CD rewritable drive. I can boot off this
> > drive, and I can mount data CDs without a problem. However, I don't
> > seem to be able to play audio CDs on this drive.

External USB 5.25 enclosure with IDE DVDRW drive:

cd1 at umass-sim0 bus 0 scbus6 target 0 lun 0
cd1: <ATAPI DVD A  DH20A4P 9P59> Removable CD-ROM SCSI-0 device
cd1: 40.000MB/s transfers
cd1: cd present [195173 x 2048 byte records]
(cd1:umass-sim0:0:0:0): READ(10). CDB: 28 0 0 2 fa 64 0 0 1 0
(cd1:umass-sim0:0:0:0): CAM status: SCSI Status Error
(cd1:umass-sim0:0:0:0): SCSI status: Check Condition
(cd1:umass-sim0:0:0:0): SCSI sense: ILLEGAL REQUEST asc:64,0 (Illegal mode for this track)
(cd1:umass-sim0:0:0:0): cddone: got error 0x6 back

And a bunch of similar errors.  But an audio CD ("Double Trouble", 2001, 
recommended) plays fine, including track skip and volume setting.  Audio 
goes to the external audio jacks, of course.  cdda2wav works to get the 
audio as digital.