" well i had the same problem, to solve it fist i press F11 two times (one for full screen and the other for normal view), second i hide the top and bottom panel, finally resize the firefox windows. For me it seems to be fixed, try it. Regards.
Eze from Argentina" I also had this problem. The above procedure solved it for a long time. F11, F11 again, resize the window and then maximize again. It solves it. No idea what caused it. I have almost no extensions. -- firefox "blinks" black & removes main menu / task bar at top of Ubuntu desktop screen https://bugs.launchpad.net/bugs/230485 You received this bug notification because you are a member of Ubuntu Desktop Bugs, which is subscribed to gnome-panel in ubuntu. -- desktop-bugs mailing list desktop-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/desktop-bugs