Udo Rader wrote:
hi,

I'm having some troubles with LM9.0 and the TEAC DV-25e DVD/R drive of
my laptop (SIS-630/5513-chipset).

Everytime I try to read something from DVDs (just a plain cp is
sufficient), I get tons of errors like these in syslog:

-------CUT-------
Oct 24 18:11:18 sekhmet kernel: hdc: command error: status=0x51 {
DriveReady SeekComplete Error }
Oct 24 18:11:18 sekhmet kernel: hdc: command error: error=0x54
Oct 24 18:11:18 sekhmet kernel: end_request: I/O error, dev 16:00 (hdc),
sector 15471844
Oct 24 18:11:18 sekhmet kernel: hdc: command error: status=0x51 {
DriveReady SeekComplete Error }
Oct 24 18:11:18 sekhmet kernel: hdc: command error: error=0x54
Oct 24 18:11:18 sekhmet kernel: end_request: I/O error, dev 16:00 (hdc),
sector 15471848
-------CUT-------

Everything works fine if I try to read normal CDs and under windoze even
DVDs are read without any problems.

any suggestions?

I had a similar problem with my DVD drive because it did not have region initialized. Once I did it (I found the necessary utility and instructions as part of libdvdcss library), problems gone.

And indeed, this is also the case when you try to read encrypted DVD and not have decss library installed. This library cannot be distributed by Mandrake because of idiotic laws in the USA (yes, the country of "freedom" and "liberty" :-).

Perhaps you will find more information here:

http://mandrakeforum.com/article.php?sid=1369
http://perso.club-internet.fr/farzeno/firmware/

and of course, there are some packages (that incidentally work with Mandrake, but do not come from Mandrake) that include decss on>

http://plf.zarb.org/

Michal


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