I don't know for sure, but I suspect that those ureadahead errors are unrelated to the boot freezes. I'll bet if you instrument /etc/init/mountall.conf as described above, you'll see that it's actually hanging in mountall.
-- Waiting for /some/partition [SM] https://bugs.launchpad.net/bugs/527666 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