[ts-7000] RPC: sendmsg returned error 101

["nas_embedded" <>]

I am getting this message infinity (RPC: sendmsg returned error 101
and RPC call returned error 101). I followed the following commend for
create NFS file system with my ubuntu 2.6 and ts-7200. Actually I want
execute my program on board. I used two library (libpcap & libnet)
using cross compile can't access library. so i want to go for NFS.

Please check my following step>>>>>>>>>>>>>>>
Network information..........

Board ip= 10.172.1.33
nfs ip= 10.172.1.159(desktop ip)
getway=10.172.1.1
netmask= 255.255.255.0
*************************
Boot script: 
.. fis load vmlinux
.. exec -c "console=ttyAM0,115200 root=/dev/nfs
nfsroot=10.172.1.159:/nfsroot,port=2049
ip=10.172.1.33:10.172.1.159:10.172.1.1:255.255.255.0:ts7200"

Boot script timeout (100ms resolution): 1
Use BOOTP for network configuration: false
Gateway IP address: 10.172.1.1
Local IP address: 10.172.1.44
Local IP address mask: 255.255.255.0
Default server IP address: 10.101.1.32
dns_ip: 10.101.1.32
Network hardware address [MAC]: 0x00:0xD0:0x69:0x40:0x29:0x90
GDB connection port: 9000
Force console for special debug messages: false
Network debug at boot time: false

can anyone tell what i did mistake.I can access my desktop from other 
pc using NFS but on bord not. 


error:

nfs: RPC call returned error 101
RPC: sendmsg returned error 101
nfs: RPC call returned error 101
RPC: sendmsg returned error 101
nfs: RPC call returned error 101
RPC: sendmsg returned error 101
nfs: RPC call returned error 101
RPC: sendmsg returned error 101
nfs: RPC call returned error 101
RPC: sendmsg returned error 101
nfs: RPC call returned error 101
RPC: sendmsg returned error 101
nfs: RPC call returned error 101
RPC: sendmsg returned error 101
nfs: RPC call returned error 101
RPC: sendmsg returned error 101
nfs: RPC call returned error 101
RPC: sendmsg returned error 101
nfs: RPC call returned error 101
RPC: sendmsg returned error 101
nfs: RPC call re




 
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