I have the same problem on 13.04, which is solved by 2 steps (as mentioned above): 1) uninstalling ureadahead or adding "console none" to /etc/init/ureadahead-other.conf 2) killing dhclient in umountfs.
Indeed, why it has not been fixed for "years".... -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1073433 Title: Ext4 corruption associated with shutdown of Ubuntu 12.10 To manage notifications about this bug go to: https://bugs.launchpad.net/upstart/+bug/1073433/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs