The hang is caused by this line: https://qt.gitorious.org/qt/qtdeclarative/source/d37547add0369d45182271754c0a35032d7de2d3:src/quick/items/qquickthreadedwindowmanager.cpp#L817
So the UI thread is waiting for the render thread to stop working - forever. One easy "fix" is to disable the threaded rendering in Qt for maliit- server -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1233550 Title: With Mir enabled, OSK remains hidden To manage notifications about this bug go to: https://bugs.launchpad.net/mir/+bug/1233550/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs