[Pkg-libvirt-maintainers] KVM Extension not available on a Xen booted kernel

Guido Günther agx at sigxcpu.org
Wed Feb 25 17:17:43 UTC 2009


On Wed, Feb 25, 2009 at 06:58:29PM +0530, Ritesh Raj Sarraf wrote:
> Hi,
> 
> I wanted to confirm this behavior with you.
> 
> I'm currently running Lenny+ on my IBM x3650 box with a Xen AMD64 kernel.
> The CPU has the vmx extension. But with the Xen kernel booted, I don't see 
> that extension.
> 
> My question is:
> * Is KVM and Xen not supposed to co-exist ?
> There is the option of qemu in a Xen kernel but that is slow. Can't I use kvm 
> inside a Xen kernel ?
Nope you can't as far as I know.
 -- Guido



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