Looks like a tiling bug - in particular you have a machine susceptible to the L-shape tiling bug.
** Summary changed: - Corrupted painting of window surfaces + [gm45] Corrupted painting of window surfaces (L-shape tiling corruption?) -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1222871 Title: [gm45] Corrupted painting of window surfaces (L-shape tiling corruption?) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/xserver-xorg-video-intel/+bug/1222871/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
