This problem is not universally reproducible. I don't see any of these problems in 12.10 - I certainly don't think this is a plymouth bug, since plymouth runs on everyone's systems. Someone who can reproduce this will have to debug to find out what files are being held open and why.
** Changed in: plymouth (Ubuntu) Status: Confirmed => Incomplete ** Changed in: upstart (Ubuntu) Status: Confirmed => Invalid -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1019347 Title: A message: "mount: / is busy" appears every time shutting down or rebooting. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/plymouth/+bug/1019347/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs