【求助】关于nfs的问题

xiaomar

在ARMEP9315上用其自带的linux系统，MOUNT一个主机时不加参数 -o nolock提示mount版本旧，
加上后提示mount新，不知为啥! 可以ping通 192.168.0.160地址。

# mount -t nfs 192.168.0.160:/home/rootfs /mnt

mount: RPC: Unable to receive; errno = Connenfs warning: mount version older than kernel
Connction refused
NFS: mount program didn't pass remote address!
mount: nfsmount failed: Bad file descriptor
mount: Mounting 192.168.0.160:/home/rootfs on /mnt failed: Invalid argument

# mount -t nfs 192.168.0.160:/home/rootfs /mnt -o nolock

mount: RPC: Unable to receive; errno = Cnfs warning: mount version newer than kernel
Connection refused
NFS: mount program didn't pass remote address!
mount: nfsmount failed: Bad file descriptor
mount: Mounting 192.168.0.160:/home/rootfs on /mnt failed: Invalid argument


我在两台PC上测试NFS上测试，NFS服务都已启动，也设置了目录，同样不行
一台提示错误：程序未注册
一台提示错误：权限不够


请教各位大虾！