在通过网络引导过程最后：
...
Freeing init memory: 152K
init started: BusyBox v1.15.0 ()
starting pid 1066, tty '': '/etc/rc.d/rcS'
Mounting /proc and /sys
Starting the hotplug events dispatcher udevd
Synthesizing initial hotplug events
Setting the hostname to freescale
Mounting filesystems
mount: mounting usbfs on /proc/bus/usb failed: No such file or directory
Running sysctl
Setting up networking on loopback device:
Setting up networking on eth0:
udhcpc (v1.15.0) started
Sending discover...
nfs: server 192.168.2.60 not responding, still trying
nfs: server 192.168.2.60 not responding, still trying
nfs: server 192.168.2.60 not responding, still trying
nfs: server 192.168.2.60 not responding, still trying
nfs: server 192.168.2.60 not responding, still trying
nfs: server 192.168.2.60 not responding, still trying
nfs: server 192.168.2.60 not responding, still trying
nfs: server 192.168.2.60 not responding, still trying
不知道什么原因了，怎么办啊
