I tested the proposed update (2.0.5-0ubuntu2) on Ubuntu bionic and I can confirm that it fixes the issue.
That means the lightdm graphical login screen is now displayed again as expected (and is functional, i.e. logins do work), i.e. the lightdm.service start succeeds again. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1890394 Title: Lightdm-gtk-greeter coredump during boot with recent systemd versions To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/lightdm-gtk-greeter/+bug/1890394/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs