2008/5/26 David Chanters <[EMAIL PROTECTED]>:
> Flavio --
>
>> No, you didn't miss anything! You're on the right place.
>
> Ah good.  :)
>
>> Feel free to ask more questions here.
>
> Thank you.
>
> I've built the host kernel now, and booted from it just fine.  (SKAS
> is in there somewhere).  I am now following this to build the guest
> kernel:
>
> http://uml.jfdi.org/uml/Wiki.jsp?page=BuildingUML
>
> In the same sources as the host kernel, I ran the following commands:
>
> % make menuconfig ARCH=um
> % m make oldconfig ARCH=um
make oldconfig is not necessary if you do menuconfig.

> % make linux ARCH=um
>
> That all went well, and I do now have a "linux" and "vmlinux" binary
> in the top level sources.  Whilst that was compiling I downloaded
> BusyBox from here (http://uml.nagafix.co.uk/).  However when I ran the
> following command:
>
> linux-2.6.25% ./linux udb0=~/tmp/BusyBox-1.5.0-x86-root_fs
I don't understand why this command line causes that problem

I usually run UML using something like that:
linux ubd0=rootfs ubd1=swapfs eth0=tuntap,,,10.0.0.3 mem=512M

where linux is the kernel executable you've just made with 'make linux ARCH=um'.
It should run even with your command line. Try to give it also the mem
and the ubd1 parameter, which are respectively, the amount of RAM and
a swap partition.
I tried the BusyBox image for amd64 and it perfectly works.

>
> I get the following "error":
>
> Locating the top of the address space ... Address 0x0 no good?
>
> Now, I've googled for "Address 0x0 no good" and get one hit to a
> Chinese website -- so I assuming I have neglected to do something, but
> what?  I hope it's nothing too idiotic on my part, hehe.
Humans being doing something make errors. Who doesn't make anything
can't make mistakes!!! :)
I don't know what the problem is.

Try a different root filesystem image.

>
> Thanks once again in advance,
Not at all,

Flavio

>
> David.
>

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