There have been a variety of fixes to the mountall/plymouth handling since this bug was filed. I believe this issue has been resolved in later versions of Ubuntu. If you can reproduce the issue with Ubuntu 13.04 or later, please reopen this report.
** Changed in: mountall (Ubuntu) Status: New => Fix Released -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/572992 Title: During boot, before login, S for skip not-mounted does not work. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/mountall/+bug/572992/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs