mount.nfs fails stating incorrect mount option but succeeds if -v or with 8.04

Is anyone else having this kind of problem with NFS mounts in /etc/fstab on Ubuntu Lucid A3?

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.

I filed a bug report but thought best to ask the list as well

https://bugs.launchpad.net/ubuntu/+source/util-linux/+bug/537746

Thanks
R.Parr, RHCE, Temporal Arts

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