I am also experiencing this bug after upgrading from 10.10 to 11.04. The Unity desktop appears to be working fine, but when I attempt to play an AVI, MKV to video is very jumpy/flickering.
Jocky reports “This driver is activated but not currently in use” NVIDIA GT 8500 , x64 -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/771788 Title: nVidia driver activated and apparently being used but reported as not being used by jockey-gtk -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs