Same for me, artefacts survive session restart. Sometimes e.g. openoffice is not usable until reboot if a black box artefact appears at a center position.
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/732779 Title: flash artefacts -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
