Solution: http://wb127.blog.51cto.com/2232662/401732
# Mount-t nfs 196.168.6.5:/home/opensips/develop/working/qte_yaffs/test
Rpcbind: Server localhost not responding, timed out
RPC: failed to contact local rpcbind server (errno 5 ).
Rpcbind: Server localhost not responding, timed out
RPC: failed to contact local rpcbind server (errno 5 ).
Rpcbind: Server localhost not responding, timed out
RPC: failed to contact local rpcbind server (errno 5 ).
Rpcbind: Server localhost not responding, timed out
RPC: failed to contact local rpcbind server (errno 5 ).
Rpcbind: Server localhost not responding, timed out
RPC: failed to contact local rpcbind server (errno 5 ).
Rpcbind: Server localhost not responding, timed out
RPC: failed to contact local rpcbind server (errno 5 ).
Rpcbind: Server localhost not responding, timed out
RPC: failed to contact local rpcbind server (errno 5 ).
Abstract: add the-O nolock option to the mount command.
Mount-T nfs-O nolock 196.168.6.5:/home/opensips/develop/working/qte_yaffs/test