Ok, my bad ... Reinstalling xserver-xorg-video-* doesn't fix this bug :P
But, in my case, killing X by Ctrl+Alt+Print+K fix the problem until the next reboot. Hop it will help you ... -- Pressing <Enter> causes X to freeze https://bugs.launchpad.net/bugs/516412 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