I tried downgrading lightdm (and related packages) to their xenial versions (1.18.x) and the bug persists, so it seems less likely to be directly related to lightdm.
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1622303 Title: Fails to unlock/ resumes to black screen To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/light-locker/+bug/1622303/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
