Version: 4.2.87 (using Devel) Compiler: gnu cc 4.3.2 OS: Linux Installed from: Compiled sources When xinerama used, and there is panel on main screen on the side where screens are joined (in my case second screen is right of main screen, and on right side of main screen there is a panel), then windows maximized on main screen are partially hidden by above mentioned panel.
*** This bug has been marked as a duplicate of bug 194092 ***