odd NFS issues

[Zane C.B.]

Regardless of if I am mounting a NFS export remotely or locally, I
get the error below if I do a ls or any thing.

Any suggestions?

Below is a example of what happens if I try it locally.

# mount_nfs -o mntudp,ro 192.168.15.2:/arc /mnt/
# ls /mnt
ls: /mnt: Input/output error

# cat /etc/exports 
/arc -ro -maproot=nobody -network 192.168.15 -mask 255.255.255.0
/arc -maproot=nobody 10.69.0.3 10.69.0.5
/home -maproot=nobody 192.168.15.10
/home -maproot=nobody 10.69.0.5

# grep nfs /etc/rc.conf
nfs_server_enable="YES"
nfs_server_flags="-u -n 10"
nfs_client_enable="YES"
nfsd_enable="YES"

# grep rpc /etc/rc.conf
rpcbind_enable="YES"
rpc_lockd_enable="YES"
rpc_statd_enable="YES"

# grep mountd /etc/rc.conf
mountd_flags="-r"
mountd_enable="YES"

# uname -a
FreeBSD vixen42.vulpes 7.2-STABLE FreeBSD 7.2-STABLE #4: Sun Dec 20 10:19:46 CST 2009     root at vixen42.vulpes:/usr/obj/usr/src/sys/GENERIC  i386
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