I'd like to start this discussion by saying that YES I KNOW THAT COOKER IS SUPPOSED TO BE UNSTABLE, BUT I'd also like to add that besides this sound-problem that follows me from 2009.0 to Cooker I've got no big issues using Cooker.
Take a look at my bugreport to get the info needed:
https://qa.mandriva.com/show_bug.cgi?id=49048