Ah! MIR_CLIENT_PLATFORM_PATH=/home/alan/local/lib/mir/client-platform bin /unity-system-compositor-spinner -m /tmp/mir_socket
works. (But spinner eats the helpful error message.) ** Changed in: mir (Ubuntu) Status: Confirmed => Invalid ** Changed in: mir (Ubuntu) Importance: Critical => Wishlist -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1488431 Title: Clients fail to create surfaces when using Mir server in compositor mode To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/mir/+bug/1488431/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs