nfs启动系统时出现错误

买了mini2440的板子，在做nfs启动系统时出现错误：
IP-Config: Complete:
      device=eth0, addr=192.168.1.70, mask=255.255.255.0, gw=192.168.1.24,
     host=fighter, domain=, nis-domain=(none),
     bootserver=192.168.1.24, rootserver=192.168.1.24, rootpath=
Looking up port of RPC 100003/2 on 192.168.1.24
Looking up port of RPC 100005/1 on 192.168.1.24
Root-NFS: Server returned error -13 while mounting /opt/FriendlyARM/QQ2440/root_
nfs
VFS: Unable to mount root fs via NFS, trying floppy.
VFS: Cannot open root device "nfs" or unknown-block(2,0)
Please append a correct "root=" boot option
Kernel panic - not syncing: VFS: Unable to mount root fs on unknown-block(2,0)

我在Supervivi中的设置是：
param set linux_cmd_line "console=ttySAC0 root=/dev/nfs nfsroot=192.168.0.2:/opt/FriendlyARM/QQ2440/root_nfs ip=192.168.0.70:192.168.0.2:192.168.0.111:255.255.255.0:fighter:eth0:off"

各位大哥们，我为这个事搞了好场时间了，哪位好心的大哥帮忙一下啊！谢谢了！由衷的感谢啊！
最好加ＱＱ聊：380280664

该问题已解决！

怎么解决的说下啊！

问题已解决！
param set linux_cmd_line "console=ttySAC0 root=/dev/nfs nfsroot=192.168.1.24:/opt/FriendlyARM/QQ2440/root_nfs ip=192.168.1.70:192.168.1.24:192.168.1.24:255.255.255.0:fighter:eth0:off"
改为：
param set linux_cmd_line "console=ttySAC0 root=/dev/nfs nfsroot=192.168.1.24:/opt/FriendlyARM/mini2440/root_nfs/root_nfs ip=192.168.1.70:192.168.1.24:192.168.1.24:255.255.255.0:fighter:eth0:off"

能不能说具体点啊
我也碰到这样的问题了啊

Root-NFS: Server returned error -13 while mounting /opt/FriendlyARM/QQ2440/root_
nfs？路径不对！

opt/FriendlyARM/mini2440/root_nfs/root_nfs 。楼主主机的NFS存放的是opt/FriendlyARM/mini2440/root_nfs/root_nfs 而不是opt/FriendlyARM/mini2440/root_nfs，哈哈，所以有问题了！

我的还在建立中