I got it working by adding Section "Extensions" Option "Composite" "Enable" EndSection
to the xorg.conf and also adding Option "AddARGBGLXVisuals" "True" to the "Device" section. -- gtk-window-decorator does not display borders https://launchpad.net/bugs/88589 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs