This is because the signon ui is dbus-triggered, and waiting for 5s after its last window closes. unity-mir currently doesn't consider surfaces to see whether an app is still there, instead it considers the session, even if there are no surfaces for that session.
I think there was a bug on this already, but can't find it... ** Changed in: unity8 Status: New => Invalid ** Changed in: unity8 (Ubuntu) Status: New => Invalid ** Changed in: unity-mir (Ubuntu) Status: New => Confirmed -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1292652 Title: opening accounts then pressing back causes black screen To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu-system-settings-online-accounts/+bug/1292652/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs