I have tried with the new kernel from your PPA and the latest xserver packages and the issue remains.
** Attachment added: "dmesg output" http://launchpadlibrarian.net/40284146/dmesg -- bad double buffering or vertical sync https://bugs.launchpad.net/bugs/514245 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
