I noted that happen with some apps. In the moment you open a window (for example, Appearance Properties) and if the window does not appear, but the process exists, it means that the window became invisible and make a "dead zone". It happens also in Classic session with Unity Window Manager.
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/741112 Title: Dead zone on the screen -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
