DVD frustration

[Alan Cox]

> Has anyone any idea what might be causing this?  I suspect some dependency 
> breakage, because these disks played under Mandriva up to last night, when I 
> did an update.  Now they don't.  I shall ask on the Mandriva list also, but 
> it looks to me as though this is a deeper problem that affects both, and 
> probably all, distros.

Same machine in both cases or different, and what is in "dmesg" after
trying to play it if anything ?