Re: [Xen-users] What's the magic to compile a unified dom0 and domU kernel image?

[Marcus Brown <marcusbrutus@xxxxxxxxxxxxxxxx>]

Hi Markus,

You could use a dom0 kernel for both dom0 and domU.
If compiling your own 'unified' kernel, make sure you
make ARCH=xen menuconfig
make ARCH=xen install (or whatever)

Marcus.

Markus Schuster wrote:
> Hi list,
> 
> I'm playing around with XEN 2.0.7 (using the .debs) and want to have
> only one kernel image for dom0 and domU (like SuSE has) with different
> initrds.
> Now my problem: First I've tried to use my old 2.6.11 config and just
> enable all the XEN specific options to have it work as dom0 and domU ->
> no go, see output in [1].
> Second I've tried using the config of the XEN domU kernel and enabling
> all the modules I need for my hardware -> no go, output is the same as
> in [1]. (I should remark that the original XEN domU config of course
> works here, but not after enabling what I need).
> Third I've extracted the SuSE 9.3 rpm and "borrowed" their config. After
> enabling all the options Debian needs to successfully boot with an
> initrd (cramfs and devfs) I got a working kernel that boots just fine in
> dom0 AND domU (of course with different hand-optimized initrds)!
> 
> Now I could just say wow, how cool this is (actually XEN is quite cool I
> think :)) but I want to understand what's the magic kernel option SuSE
> has set (or not set) and I have (not). After hours of research and
> comparing the two config files (using the excelent kdiff3) and compiling
> the kernel at least 20 times with different options from the SuSE config
> I still have no working vmlinuz image from my own config file.
> I've uploaded the two config-files (the working and the not working one)
> to http://markus.schuster.name/xen/ maybe someone has time to have a
> look at it (the kernel has much too much options to try all by hand ;))
> 
> Thanks for your help in advance.
> 
> Greetings,
> Markus
> 
> 
> [1]
> dom0:~# xm create ttylinux -c
> Using config file "/etc/xen/ttylinux".
> Started domain ttylinux, console on port 9605
> ************ REMOTE CONSOLE: CTRL-] TO QUIT ********
> 
> ************ REMOTE CONSOLE EXITED *****************
> dom0:~#
> 


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