That error looks like one of the cryptic messages you'll get if you haven't installed drivers for Mir yet. They're not automatically installed unless you have a phone image, or have installed the full desktop-next stack. Reasons....
Try this: sudo apt-get install mir-graphics-drivers-desktop or sudo apt-get install mir-graphics-drivers-android -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1481330 Title: Xmir crashes when client closes display To manage notifications about this bug go to: https://bugs.launchpad.net/mir/+bug/1481330/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
