Similar issue on 2 machines. 2.6.31-rc1-git3 works ok. 2.6.31-rc2cannot recognize *any* DVD media with K3b. No messages in dmesg orsyslog.Unfortunately I can't try bisection, because I don't have more time(work). I try do it at the end of week.-- Maciej Ruteckihttp://www.maciek.unixy.pl