and here is a screenshot of the artifacts I'm seeing every once in a while.
** Attachment added: "desktop artifacts" https://bugs.launchpad.net/ubuntu/+source/xorg/+bug/1061073/+attachment/3368787/+files/desktop-corruption.png -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1061073 Title: Desktop effects are slow and desktop corruption using mesa 9 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/xorg/+bug/1061073/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs