I cannot reproduce this issue anymore with a fresh installation of xenial upgraded to bionic. I'm wondering if the fontconfig fix that delayed the boot was causing this issue (bug 1749546)
Setting to incomplete. ** Changed in: gnome-shell (Ubuntu) Status: New => Incomplete -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1765724 Title: Xenial -> Bionic - System fails to boot after upgrade - gnome- screensaver & gnome-shell fail to start? To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/cryptsetup/+bug/1765724/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs