Hmm. That's bizarre. What do the following commands return?
$ xvinfo $ xdpyinfo -ext all -- No X11/Xv support (X11 error: BadAlloc (insufficient resources for operation) ??,?% 5 0) https://launchpad.net/bugs/62465 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs