Using "nfsvers=2" worked for me, but if you need =3, this seems like a bug in util-linux.
** Changed in: util-linux (Ubuntu) Status: Invalid => Confirmed ** Also affects: util-linux (Ubuntu Vivid) Importance: Undecided Status: Confirmed ** Also affects: util-linux (Ubuntu Utopic) Importance: Undecided Status: New ** Also affects: util-linux (Ubuntu Trusty) Importance: Undecided Status: New ** Changed in: util-linux (Ubuntu Vivid) Status: Confirmed => New ** Changed in: util-linux (Ubuntu Trusty) Status: New => Confirmed ** Tags added: regression-release -- You received this bug notification because you are a member of Ubuntu Touch seeded packages, which is subscribed to util-linux in Ubuntu. https://bugs.launchpad.net/bugs/537746 Title: mount.nfs fails stating incorrect mount option but succeeds if -v option is used Status in util-linux package in Ubuntu: New Status in util-linux source package in Trusty: Confirmed Status in util-linux source package in Utopic: New Status in util-linux source package in Vivid: New Bug description: Binary package hint: mount with /etc/fstab containing; n2:/db /db nfs auto,nfsvers=3 0 0 OR containing n2:/db /db nfs auto 0 0 # mount /db fails with message "mount.nfs: an incorrect mount option was specified" # mount n2:/db /db also fails with the same message BUT the following succeeds despite the "Operation not supported" message # mount n2:/db /db -v mount: no type was given - I'll assume nfs because of the colon mount.nfs: timeout set for Thu Mar 11 15:14:50 2010 mount.nfs: text-based options: 'addr=63.227.222.65' mount.nfs: mount(2): Operation not supported mount.nfs: trying 63.227.222.65 prog 100003 vers 3 prot UDP port 2049 mount.nfs: trying 63.227.222.65 prog 100005 vers 3 prot UDP port 32767 mount.nfs: text-based options (retry): 'addr=63.227.222.65,vers=3,proto=udp,mountvers=3,mountproto=udp,mountport=32767' n2:/db on /db type nfs (rw) This system in question dual boots 10.04 and 8.04; under 8.04 ALL of the above succeeds without error messages. This error is preventing NFS mounts in /etc/fstab; without a workaround or fix this prevents any deployment of Ubuntu 10.04 for us. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/util-linux/+bug/537746/+subscriptions -- Mailing list: https://launchpad.net/~touch-packages Post to : touch-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~touch-packages More help : https://help.launchpad.net/ListHelp