Although I have not checked this thoroughly, it seems that logging out of KDE, switching to a text terminal, logging in there and issuing sudo poweroff induces a clean shutdown. Shutting down from within KDE (often?) gives behaviour as described by this bug.
Also: I am affected by this problem even though I don't have the symlink messup Bert Voegele describes in comment #12. -- umountfs doesn't cleanly unmount / on reboot https://bugs.launchpad.net/bugs/616287 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
