[fedora-virt] Nested KVM help

James Slagle jslagle at redhat.com
Tue Aug 20 13:28:03 UTC 2013


On Tue, Aug 20, 2013 at 11:16:18AM +0530, Kashyap Chamarthy wrote:
> If you're using a full-blown X, maybe you cay try a minimal server setup across L0, L1,
> and L2?

Unfortunately I can't test that b/c I need a desktop on this system.

> You can also optionally try to do a host CPU pass-through instead of explicitly exposing
> the VMX instruction (although that should suffice in most cases).
> 
>  <cpu mode='host-passthrough'/>

I tried this, but got the same issue.

> Hm, I've been running some tests on latest Intel Hardware (Haswell), and I have both L1,
> and L2 running consistently fine with rawhide kernels.
> 
> 
> Here's my set-up details:
> 
>   https://github.com/kashyapc/nvmx-haswell/blob/master/SETUP-nVMX.rst
> 
> Libvirt XML files for L1 and L2:
> 
>   https://github.com/kashyapc/nvmx-haswell/tree/master/tests/libvirt-xmls-for-l1-l2
> 
> 
> Hope that helps a bit.

Since it's working for others, I guess it may very well be my older hardware.
Thanks for the pointers!

--
-- James Slagle
--


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