virtualbox虚拟机安装的fedora20, 开发板挂载NFS出错，哪位高手帮我看看好吗？

Question

[root@localhost ~]# ifconfig
enp0s3: flags=4163 mtu 1500
inet 192.168.1.89 netmask 255.255.255.0 broadcast 0.0.0.0
inet6 fe80::a00:27ff:fe26:bddd prefixlen 64 scopeid 0x20
ether 08:00:27:26:bd:dd txqueuelen 1000 (Ethernet)
RX packets 8887 bytes 548956 (536.0 KiB)
RX errors 0 dropped 0 overruns 0 frame 0
TX packets 9271 bytes 11990079 (11.4 MiB)
TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0

lo: flags=73 mtu 65536
inet 127.0.0.1 netmask 255.0.0.0
inet6 ::1 prefixlen 128 scopeid 0x10
loop txqueuelen 0 (Local Loopback)
RX packets 1009 bytes 101680 (99.2 KiB)
RX errors 0 dropped 0 overruns 0 frame 0
TX packets 1009 bytes 101680 (99.2 KiB)
TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0

[root@localhost ~]#
这是linux系统的IP

Answer 1

EWEN210 # printenv
baudrate=115200
bootargs=root=/dev/nfs nfsroot=192.168.1.89:/opt/ewen/rootfs ip=192.168.1.122:192.168.1.89:192.168.1.1:255.255.255.0:localhost:eth0:off init=/linuxrc console=ttySAC0,115200
bootcmd=run ubifsboot
bootdelay=3
bootmenu_0=commandline= echo
bootmenu_1=start Kernel= tftp 20000000 uImage;bootm 20000000
ethact=dm9000
ethaddr=1A:2A:3A:4A:5A:6A
ipaddr=192.168.1.120
mtdids=nand0=s5p-nand
serverip=192.168.1.89
splashimage=0x23000000
stderr=serial
stdin=serial
stdout=serial

Environment size: 513/131068 bytes
EWEN210 #
这是uboot的环境变量