ahc problem:
> FWIW, I know the author of one of the fancier CDDA readers
> (cddaparanoia), and he's indicated that there are a number of firmware
> bugs in different drives that will cause them to go catatonic or even
> lock up the SCSI bus until the drive is power-cycled, while reading
> raw audio data.

The problem I've seen is not releated CD, but Seagate SCSI hard disk.
And, exactly same hardware runs fine on NetBSD-1.2.
--
soda