ATAPI dvdreader always fails on a particular DVD movie title

[Yuri]

> Would the dvds in question happen to be Sony movies? If so a web search 
> might be useful to you.

Actually yes, both failing titles are Sony movies. So I guess authentication
wasn't done properly by libdvdcss for it.

I guess message during authentication might also be related:
acd0: FAILURE - REPORT_KEY ILLEGAL REQUEST asc=0x6f ascq=0x04

Yuri