OL 6u7 NFS client with Solrias 10u10 server

I have an account with its home on an NFS mount (Solaris 10u10 is the NFS server) and two clients running OL 6u7.

#       The following client works as expected

# This Oracle Linux 6u7 client is a fresh install using V77197-01.iso

ls -l .ssh

total 27

-rw-------. 1 me         staff   828 Apr 26  2006 authorized_keys

-rw-------. 1 me         staff   736 Apr 26  2006 id_dsa

-rw-r--r--. 1 me         staff   604 Apr 26  2006 id_dsa.pub

-rw-------. 1 me         staff   951 Apr 26  2006 id_rsa

-rw-r--r--. 1 me         staff   224 Apr 26  2006 id_rsa.pub

-rw-r--r--. 1 me         staff 22183 Mar 25 14:46 known_hosts

nfsstat -m

/nfs_home/me from beaker:/hnydw/export/home/me

Flags: rw,relatime,vers=4.0,rsize=1048576,wsize=1048576,namlen=255,hard,proto=tcp,timeo=600,retrans=2,sec=sys,clientaddr=10.19.19.62,local_lock=none,addr=10.19.19.7