搭建NFS系统时系统启动卡住而且黑屏。。求解求解啊

港式茶餐厅

前提NFS服务器已经开；
在uboot状态下执行命令：
setenv bootargs "root=/dev/nfs nfsroot=192.168.6.137:/forlinx/root/FileSystem-Yaffs2 ip=192.168.6.232:192.168.6.137:192.168.6.201:255.255.255.0:witech.com.cn:eth0ff console=ttySAC0,115200"
然后保存：saveenv
这时开发板白屏；
然后重新启动开发板后，开发板系统启动不成功，卡主了，这时开发板白屏：
串口输出信息如下：
dm9000 dm9000.0: eth0: link down
dm9000 dm9000.0: eth0: link up, 100Mbps, full-duplex, lpa 0xCDE1
VFS: Unable to mount root fs via NFS, trying floppy.
Kernel panic - not syncing: VFS: Unable to mount root fs on unknown-block(2,0)
[<c00393a8>] (unwind_backtrace+0x0/0xf from [<c04eecfc>] (dump_stack+0x18/0x1c
)
[<c04eecfc>] (dump_stack+0x18/0x1c) from [<c04eed64>] (panic+0x64/0x18
[<c04eed64>] (panic+0x64/0x18 from [<c0008ea8>] (mount_block_root+0x180/0x250)

[<c0008ea8>] (mount_block_root+0x180/0x250) from [<c0009020>] (mount_root+0xa8/0
xcc)
[<c0009020>] (mount_root+0xa8/0xcc) from [<c0009178>] (prepare_namespace+0x134/0
x19
[<c0009178>] (prepare_namespace+0x134/0x19 from [<c00084c0>] (kernel_init+0xec
/0x120)
[<c00084c0>] (kernel_init+0xec/0x120) from [<c0033c54>] (kernel_thread_exit+0x0/
0x
请求指点啊。。

nevermore4030

setenv bootargs "root=/dev/nfs nfsroot=192.168.6.137:/forlinx/root/FileSystem-Yaffs2 ip=192.168.6.232 console=ttySAC0,115200

港式茶餐厅

回复 2# nevermore4030

后面那些ip之类的不用加么？？谢谢啦


   

港式茶餐厅

回复 2# nevermore4030


你这不行。。和我那现象完全一样。。还是挂不上。。

   

nevermore4030

一直是那么写 你看一下bootloader源码 关于do_bootm函数的 是不是有人修改过