More convinced it is a gtk 2.18 issue. I ran SVN of gnome-mplayer on my gtk 2.14 machine and did not have the gray blocks when I resized the window using either x11 or gl output over ssh -X.
-- Gnome-mplayer shows only gray square in fullscreen https://bugs.launchpad.net/bugs/443223 You received this bug notification because you are a member of Ubuntu Desktop Bugs, which is subscribed to gtk+2.0 in ubuntu. -- desktop-bugs mailing list desktop-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/desktop-bugs