Hello sorry for the delay. The original problem mentioned in the bug report has now been fixed for me. Here are the details and attached logs. (I haven't seen any irregularites.)
$ lsb_release -a Distributor ID: Ubuntu Description: Ubuntu 18.04.5 LTS Release: 18.04 Codename: bionic lightdm 1.26.0-0ubuntu1 lightdm-gtk-greeter 2.0.5-0ubuntu2 lightdm-gtk-greeter-settings 1.2.2-1 systemd 237-3ubuntu10.43 linux 5.4.0-52-generic ** Attachment added: "lightdm.log" https://bugs.launchpad.net/bugs/1890394/+attachment/5432114/+files/lightdm.log ** Tags removed: verification-needed verification-needed-bionic ** Tags added: verification-done-bionic -- 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