Since downgrading plymouth to the precise version doesn't fix it, it doesn't sound like plymouth itself is the culprit here. Reassigning to the kernel.
Barry, have you checked whether setting GRUB_GFXPAYLOAD_LINUX=text makes the boot reliable? ** Package changed: plymouth (Ubuntu) => linux (Ubuntu) -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1016170 Title: No login screen unless "quiet splash" removed from boot line To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1016170/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
