Well... try remove xserver-xorg and reinstall it: sudo aptitude purge xserver-xorg sudo apt-get install xserver-xorg-core=2:1.10.4-1ubuntu4.1
After reinstalling xserver-xorg the problem of missing. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/927177 Title: Segmentation fault on X.Org when use pointing devices To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/xorg/+bug/927177/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs