The update to mountall indeed fixes the problem. It's already in the repositories for i386, but not for amd64 just yet. If you happen to run into the problem as I did, the steps to get a booting system are in bug #538298. Then just wait for mountall before updating plymouth.
-- Plymouth text-mode splash causes X to crash on first run due to shared tty7 https://bugs.launchpad.net/bugs/532047 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