Re: [uml-user] A newbie basic question

[Eugene K. <ek...@hi...>]

On Saturday 12 October 2002 09:10 pm, Mohd Azlan Ab. Aziz wrote:

> I got the following message when i entered ./linux:
>
> ubd0: Can't open "root_fs": errno = 2
> VFS: Cannot open root device "ubd0" or 62:00
> Please append a correct "root=" boot option
> Kernel panic: VFS: Unable to mount root fs on 62:00
>
> I downloaded several root_fs how do i integrate them with the uml?
>

Where is your root_fs? Suppose it is : /tmp/root_fs
Then you would do :

./linux ubd0=/tmp/root_fs

See also this page : http://user-mode-linux.sourceforge.net/run.html

> After making changes in config do i have to run make dep, make bzImage 
> like compiling a real kernel?
>

Yes, but you should do "make linux ARCH=um", not "make bzImage".

> Also i cannot insert modules when  i type
>
> $ make modules ARCH=um
>
> i got many error messages
>

show what the errors are..

> and i got this message 'no mount point' when i type:
>
> $ mount root_fs mnt -o loop
>
>
I think you left out a slash ('/') before mnt...

Eugene