Since playing a fullscreen video with mplayer -vo xv works fine, the whole behaviour might be caused by some issue with the keyboard driver not responding properly.
When comparing repeat rate of the laptop keyboard and the usb keyboard, the usb keyboard also seems significantly slower. -- X11 is extremly slow since upgrade https://launchpad.net/bugs/50341 -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
