See "man ps"; D means the process is in an uninterruptible sleep (usually this happens when waiting on I/O), and L means "has pages locked into memory (for real-time and custom IO)".
Do you know if this drive works in any other O.S.? It might actually be a hardware problem.
Paul.
It does work in windows 2000 fine.
Is the cable to the CD writer shared with any other device, such as a hard disk? That might cause problems - see the -immed option to cdrecord.
Paul.