That would be Xmir 1.0 which we no longer develop or support. Also, Canonical no longer supports Ubuntu 13.10 in general: https://wiki.ubuntu.com/Releases
So please upgrade. Although admittedly this bug has been silent for 2.5 years. Just tidying up... ** Changed in: unity-system-compositor (Ubuntu) Status: Confirmed => Won't Fix -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1221815 Title: saucy mir ppa black screen on notebook Radeon HD 6310 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/unity-system-compositor/+bug/1221815/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs