Might be a duplicate of bug #327844 - can you please verify that the problem goes away when disabling compiz and not using any 3d/xvideo features? Can you please attach your Xorg.*.log* and check if it contains something like this:
Ring at virtual 0x7f7e27098000 head 0x19624 tail 0xf0 count 6835 Ring at virtual 0x7f7e27098000 head 0x19624 tail 0xf0 count 6835 ... [repeats several times]... Ring at virtual 0x7f7e27098000 head 0x19624 tail 0xf0 count 6835 Ring end -- Entire OS hard-locks randomly, mouse still works https://bugs.launchpad.net/bugs/345119 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
