same here unity8.log
[2017-02-02:13:10:41.871] qtmir.screens: ScreensModel::ScreensModel [2017-02-02 13:10:42.103567] mirplatform: Found graphics driver: mir:mesa-kms (version 0.25.0) [2017-02-02 13:10:42.206352] mirplatform: Found graphics driver: mir:mesa-x11 (version 0.25.0) [2017-02-02 13:10:42.208406] mirserver: Starting [2017-02-02:13:10:42.213] Exception while creating graphics platform ERROR: /build/mir-YTGnQ8/mir-0.25.0+16.04.20161203/src/server/graphics/nested/mir_client_host_connection.cpp(289): Throw in function mir::graphics::nested::MirClientHostConnection::MirClientHostConnection(const string&, const string&, const std::shared_ptr<mir::shell::HostLifecycleEventListener>&) Dynamic exception type: boost::exception_detail::clone_impl<boost::exception_detail::error_info_injector<std::runtime_error> > std::exception::what: Nested Mir Platform Connection Error: Failed to connect: not accepted by server initctl: No such variable: UNITY_MIR_SOCKET -- You received this bug notification because you are a member of Ubuntu Touch seeded packages, which is subscribed to unity8 in Ubuntu. https://bugs.launchpad.net/bugs/1661216 Title: black screen with unity8 session snap Status in Canonical System Image: New Status in Unity8 Session Snap: New Status in unity8 package in Ubuntu: Confirmed Bug description: zesty up to date unity8-session 16.04 390 I can login but the session does not start and apport running on top. The following lines are repeating in apport log: ERROR: apport (pid 20101) Thu Feb 2 12:16:49 2017: executable: /snap/unity8-session/390/usr/lib/x86_64-linux-gnu/policykit-unity8/policykit-agent (command line "/snap/unity8-session/390/usr/lib/x86_64-linux-gnu/policykit-unity8/policykit-agent") ERROR: apport (pid 20101) Thu Feb 2 12:16:49 2017: executable does not belong to a package, ignoring To manage notifications about this bug go to: https://bugs.launchpad.net/canonical-devices-system-image/+bug/1661216/+subscriptions -- Mailing list: https://launchpad.net/~touch-packages Post to : touch-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~touch-packages More help : https://help.launchpad.net/ListHelp