Re: [Xen-users] Is it possible to run Xen under QEMU?

[Anthony Liguori <aliguori@xxxxxxxxxx>]

Adam Nielsen wrote:
> Hi all,
>
> Since Xen won't run on my desktop PC, I thought I'd try running it
> under QEMU instead, so that I could still have a play with it and see
> if it's worth moving our production server from UML over to Xen.
>   
I would not use Xen's performance under QEMU as a basis for such a 
decision.  Why won't Xen run on your desktop?
FWIW, Xen runs quite nicely under QEMU.  Just make sure to disable kqemu 
(-no-kqemu).  The last version of kqemu that worked was 0.7.1 IIRC if 
you're desperate for extra speed.
Regards,

Anthony Liguori

> Unfortunately I can't get Xen to boot properly under QEMU either - the
> kernel seems fine, it comes up, detects everything and mounts the root
> filesystem, but as soon as it goes to run init, it just sits there
> doing nothing at 100% CPU usage.
>
> I can type things into the console and the magic SysRq key works so
> it's not completely frozen, but it never runs init.  The original dom0
> kernel I was booting was configured for a P4 so I recompiled it as a
> P2, and that didn't work so I recompiled without SMP support but it's
> still getting stuck loading init.
>
> Is it even possible to run Xen under QEMU?  This was Xen 3.0.2-2 and
> Linux 2.6.16.16.  As with my desktop PC, it works fine running the same
> kernel version without Xen (the only config differences between the
> kernels being those related to Xen itself.)
>
> Has anyone managed to get Xen working under QEMU?  Or is there another
> way to test Xen when it won't run natively?
>
> Thanks,
> Adam.
>
> _______________________________________________
> Xen-users mailing list
> Xen-users@xxxxxxxxxxxxxxxxxxx
> http://lists.xensource.com/xen-users
>   

_______________________________________________
Xen-users mailing list
Xen-users@xxxxxxxxxxxxxxxxxxx
http://lists.xensource.com/xen-users