It seems to be an interaction with plymouth. Setting `GRUB_CMDLINE_LINUX_DEFAULT="quiet"` i.e. removing the `splash` in /etc/default/grub and updating grub $ sudo update-grub works around the problem.
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1764494 Title: X fails to start upon boot To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/xorg/+bug/1764494/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs