Here's the lightdm.log of the system run with the package version that prevents booting to Desktop.
Note that it shows that it permanently retries starting lightdm until the user has had enough and reboots or powers off the system (hence the section at the end that looks different). ** Attachment added: "lightdm.log of failing run (xubuntu-default-settings 18.04.2)" https://bugs.launchpad.net/ubuntu/+source/xubuntu-default-settings/+bug/1752798/+attachment/5067917/+files/lightdm.log -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1752798 Title: prevents successful boot to desktop and gets stuck in a trying-to- start-X loop To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/xubuntu-default-settings/+bug/1752798/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs