NUC980 Linux通过nfs和ubuntu sever挂载根文件系统失败

参考       "https://blog.csdn.net/register_k/article/details/120113228

ubuntu 17.04开始 nfs的协议版本为3或4，kernel的默认协议是2"

bootargs='noinitrd root=/dev/nfs nfsroot=192.168.0.100:/nfsroot/target,nolock,nfsvers=3 rw ip=192.168.0.200:192.168.0.100:192.168.0.1:255.255.255.0 console=ttyS0,115200n8 rdinit=/sbin/init mem=64M'