[U-Boot-Users] how can I run linux without tftp

[Wolfgang Denk]

In message <200505111408.AA28377416 at RCS-9000.COM> you wrote:
>
>    I have no ethernet device on my board,so I can only load linux img file via serial port using "loadb" command. But when I downloaded the img successfully and tried to boot the linux , the program stopped as follows:
...
> Kernel command line:                    
...
> VFS: Unable to mount root fs via NFS, trying floppy.                                                    
> VFS: Cannot open root device "" or 02:00                                        
> Please append a correct "root=" boot option                                           
> Kernel panic: VFS: Unable to mount root fs on 02:00                                                   

Well, you don't pass any boot arguments to  the  linux  kernel  (like
where  to  find  a  root  filesystem), so your kernel quite naturally
complains that he cannot find the root file system.

Looks perfectly normal to me.


Best regards,

Wolfgang Denk

-- 
Software Engineering:  Embedded and Realtime Systems,  Embedded Linux
Phone: (+49)-8142-66989-10 Fax: (+49)-8142-66989-80 Email: wd at denx.de
"There was no difference between  the  behavior  of  a  god  and  the
operations of pure chance..."   - Thomas Pynchon, _Gravity's Rainbow_