from what my further searching has uncovered fullscreen requires hardware overlay which is only available with the Xv output mode. You may have to change your xorg.conf file to get it to work (unpleasant). Or maybe X just doesn't like your video card.
some links: http://ubuntuforums.org/showthread.php?t=24449 http://en.wikipedia.org/wiki/XVideo http://www.mplayerhq.hu/DOCS/HTML/en/xv.html Maybe you already tried this. -- gmplayer doesn't change video size when switched to fullscreen https://bugs.launchpad.net/bugs/110183 You received this bug notification because you are a member of Ubuntu Bugs, which is the bug contact for Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs