just had that issue... I don't know if it helps but I had it after having enabled xorg option GartSize 64 (just had one issue, not continuous issues)
-- Screen flickering https://bugs.launchpad.net/bugs/24270 You received this bug notification because you are a member of Ubuntu Bugs, which is a direct subscriber. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
