read cd's but not dvd's?
Max Laier
max at love2party.net
Sat Nov 4 17:16:21 UTC 2006
On Saturday 04 November 2006 17:31, Steve Franks wrote:
> Any potential configuration-realted reasons that I can mount cd's just
> fine in my dvd drive (atapi), but not data or movie dvd's (commercial
> and dvd+r's)? I get an 'unrecognized or drive empty' type error. Just
> a bad drive? It makes the standard spin-up noises and some reading
> sounds after loading a dvd, and it's a fairly new drive. The faq and
> man pages don't seem to suggest any configuration-realted differences
> between cd & dvd. They are both iso9660 format, correct?
Try if you can read from the disc "dd if=/dev/acd0 of=somefile bs=1m
count=1" and check the resulting dump with file(1). e.g.:
# file somefile
somefile: ISO 9660 CD-ROM filesystem data 'CDROM '
# hd somefile | head
00000000 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 |................|
*
00008000 01 43 44 30 30 31 01 00 46 72 65 65 42 53 44 20 |.CD001..FreeBSD |
...
--
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