See for example the tearing of the terminal windows on the top left in this screenshot. This happens when I move a window around the other terminal windows.
** Attachment added: "Screenshot.png" https://bugs.launchpad.net/ubuntu/+source/xorg/+bug/829981/+attachment/2294273/+files/Screenshot.png -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/829981 Title: rectangles appearing in side windows not in focus To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/xorg/+bug/829981/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs