nand flash启动 进入vivi模式，输入以下
param set linux_cmd_line "console=ttySAC0 root=/dev/nfs nfsroot=192.168.1.21:/opt/FriendlyARM/QQ2440/root_nfs ip=192.168.1.23:192.168.1.21:192.168.1.21:255.255.255.0:sbc2440.arm9.net:eth0:off"
我的虚拟机linux是192.168.1.21 板子是192.168.1.23 我电脑是192.168.1.22，这样设置对吗？
出现这样的情况：
IP-Config: Complete:
device=eth0, addr=192.168.1.23, mask=255.255.255.0, gw=192.168.1.21,
host=sbc2440, domain=, nis-domain=arm9.net,
bootserver=192.168.1.21, rootserver=192.168.1.21, rootpath=
Looking up port of RPC 100003/2 on 192.168.1.21
portmap: server 192.168.1.21 not responding, timed out
Root-NFS: Unable to get nfsd port number from server, using default
Looking up port of RPC 100005/1 on 192.168.1.21
portmap: server 192.168.1.21 not responding, timed out
Root-NFS: Unable to get mountd port number from server, using default
Root-NFS: Server returned error -5 while mounting /opt/FriendlyARM/QQ2440/root_n
fs
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)
就是不能启动，大家帮帮忙看下是哪里的问题？谢谢了
