linux nfs挂载根文件系统失败

试了这种办法不行

https://blog.csdn.net/qq_40897531/article/details/106784915

又试了这种ok了

https://blog.csdn.net/weixin_36347133/article/details/116859842

setenv bootargs root=/dev/nfs nfsroot=192.168.1.8:/opt/rootfs,proto=tcp,nfsvers=3 ip=192.168.1.6:192.168.1.8:192.168.1.1:255.255.255.0 lcd=vs070cxn  tp=gslx680-linux console=ttySAC0,115200 maxcpus=1

添加了tcp传输方式和nfsvers  [,proto=tcp,nfsvers=3]