seems like the main culprit is really usplash it tinkers with ttys in initramfs scripts.
** Package changed: gdm (Ubuntu) => usplash (Ubuntu) -- x display manager won't open session on next free vt https://bugs.launchpad.net/bugs/429616 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs