NFS locking issues => rpc.lockd: 100024 RPC: Port mapper failure

[Joan Picanyol]

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Hi,

For some unknow cause my 5.3-BETA6 workstation (calvin) cannot lock
files over my NFS mounts to my 4.10 server (grummit). I've been all
afternoon trying to sort it out with no luck.

Portmapper and rpc.lockd are running on the server:

joan at grummit:~(1)$ uname -sr
FreeBSD 4.10-RC
joan at grummit:~(0)$ sockstat | egrep 'portmap|lock'
root     rpc.lock   112    3 udp4   *:614                 *:*
root     rpc.lock   112    4 tcp4   *:953                 *:*
daemon   portmap    100    3 udp4   *:111                 *:*
daemon   portmap    100    4 tcp4   *:111                 *:*
root     rpc.lock   112    5 dgram  syslogd[96]:3

And all programs are available from the client:

joan at calvin:~(1)$ rpcinfo -s grummit
   program version(s) netid(s)                         service     owner
    100000  2         udp,tcp                          portmapper  unknown
    100004  2,1       tcp,udp                          ypserv      unknown
    100005  1,3       tcp,udp                          mountd      unknown
    100003  3,2       tcp,udp                          nfs         unknown
    100021  4,3,1     tcp,udp                          nlockmgr    unknown
    100024  1         tcp,udp                          status      unknown
joan at calvin:~(1)$ rpcinfo -T tcp grummit 100024
program 100024 version 1 ready and waiting
joan at calvin:~(0)$ rpcinfo -T udp grummit 100024
program 100024 version 1 ready and waiting
joan at calvin:~(0)$ rpcinfo -T tcp grummit 100021
program 100021 version 1 ready and waiting
rpcinfo: RPC: Program/version mismatch; low version = 1, high version = 4
program 100021 version 2 is not available
program 100021 version 3 ready and waiting
program 100021 version 4 ready and waiting
joan at calvin:~(1)$ rpcinfo -T udp grummit 100021
program 100021 version 1 ready and waiting
rpcinfo: RPC: Program/version mismatch; low version = 1, high version = 4
program 100021 version 2 is not available
program 100021 version 3 ready and waiting
program 100021 version 4 ready and waiting

The only issue I can see is the Program/version mismatch, but I have no
idea if this could be the cause nor how to solve it.

Any insights?

tks
-- 
pica