Please attach a copy of /usr/sbin/unity-system-compositor.sleep from the affected machine.
I'm surprised boost::program_options doesn't provide more information but we can investigate that separately... -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1634412 Title: Unity8 session fails to start due to unity-system-compositor To manage notifications about this bug go to: https://bugs.launchpad.net/lightdm/+bug/1634412/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs