Fullscreen games often invoke a modeset operation when they go full screen, which I'm gathering must trigger some buggy bit of compiz' xrandr wrapping logic. Especially since using metacity works around the problem, it sounds compiz-specific. Refiling.
** Package changed: xserver-xorg-video-intel (Ubuntu) => compiz (Ubuntu) -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/760322 Title: Video freezes when playing fullscreen OpenGL games on HP ProBook 4520s -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs