problems with cd/dvd

[Adrian Walters <adrian na dhs org>]

i am trying to view a dvd acoss my netowrk using samba. when ever i try to
open one of the files on the cd i get the following error in my logs. does
anyone know what this means or know how i can fix this. the cdrom is new
and it reads cd's perfectly.

Mar 26 18:21:19 na kernel: hdc: command error: error=0x50
Mar 26 18:21:19 na kernel: end_request: I/O error, dev 16:00 (hdc), sector
13405824

Mar 26 18:21:19 na kernel: ATAPI device hdc:
Mar 26 18:21:19 na kernel:   Error: Illegal request -- (Sense key=0x05)
Mar 26 18:21:19 na kernel:   (reserved error code) -- (asc=0x6f,
ascq=0x03)

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