I suspect this is a duplicate of LP: #1722920 since unity-greeter uses unity-settings-daemon.
https://launchpad.net/ubuntu/+source/gnome-settings- daemon/3.26.1-0ubuntu4 -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1722988 Title: Crash, black screen with lightdm To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/lightdm/+bug/1722988/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs