Look at the xev package ( http://packages.ubuntu.com/search?keywords=x11-utils ), which shows the X events that are being sent from your keyboard. You could also look at the accessibility features (System -> Preferences -> Keyboard -> Accesibility) which has options for repeated key presses.
It's most likely that this is physical hardware problem. -- F1 'sticks' and opens new Help windows until memory exhausted https://bugs.launchpad.net/bugs/440321 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs