NFS locking and linux NFS server

[Da Rock]

On 03/25/12 23:59, Christoph Egger wrote:
> Hi all!
>
>    I have a Linux Host (2.6.32 kernel, Debian stable) providong NFS
> shares. Locking files on that share works fine for linux clients [0]
> while it fails on a freebsd 9.0-STABLE system. The interwebs indicate
> there have been problems witha buggy linux implementation back in 2006
> but no more hits for that problem in recent times so I assume it's
> fixed?
>
> root at freebsd /mnt/
> 11:27 0 # kldstat -v | grep nfs
> 		341 nfscommon
> 		386 nfslockd
> 		344 nfsd
> 		385 nfssvc
> 		342 nfs
> 		343 nfscl
> 		384 nfslock
>
> root at freebsd /mnt/
> 11:28 0 # flock test -c ls
> flock: test: Operation not supported
>
> root at freebsd /mnt/
> 11:31 0 # mount | grep nfs
> 10.70.255.8:/home/ on /mnt/ (nfs)
This may or may not be helpful, but I can't think of anything else at 
this time: what version NFS on both sides?