Sorry for asking more questions, but could you please: ldd /usr/sbin/unity-system-compositor and paste the output here?
** Also affects: mir Importance: Undecided Status: New -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1212163 Title: Input lag To manage notifications about this bug go to: https://bugs.launchpad.net/mir/+bug/1212163/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs