As per https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1314213/comments/10 .
** Package changed: linux (Ubuntu) => xorg (Ubuntu) ** Changed in: xorg (Ubuntu) Status: Incomplete => New -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1314213 Title: [Lenovo ThinkPad X220] External DP1 monitor extremely unstable since upgrade to 14.04 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/xorg/+bug/1314213/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs