Probblem with NFS mount

[Michael Song]

Hello, BusyBox folks
I have the following NFS  rootfs mount problem.
I have verified that the server is OK, and it give write access to client(verified seperately with a different Linux work station)
the mount status shows I have read and write access,
but when I try to write to it, I got Read-only file system error

Shed me some light,

Appreciated in advance


# uname -a
Linux uclibc 2.6.15.7-lpd-pxa-sdk #2 Wed Apr 26 21:49:34 PDT 2006 armv5tel unknn
#


BusyBox v1.1.2 (2006.04.29-09:07+0000) Built-in shell (ash)
Enter 'help' for a list of built-in commands.

# mount
/dev/root on / type nfs (rw,v2,rsize=4096,wsize=4096,hard,nolock,proto=udp,addr)
proc on /proc type proc (rw,nodiratime)
# touch xxx
touch: xxx: Read-only file system
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