XGetXCBConnect means it's trying to use X11 instead of Mir. That should not happen.
I understand you're using xenial, right? Can you attach the output of this command? dpkg -l | grep mir -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1542151 Title: unity8 crashed with SIGSEGV in XGetXCBConnection() To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/unity8/+bug/1542151/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs