I also am experiencing this issue. I am running Gutsy 64-bit Kubuntu with NFSv4. My output honestly is the same as Brian Rogers'.
-- [gutsy] can't unmount filesystem mounted from a nfs version 2 server https://bugs.launchpad.net/bugs/164595 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