[vbox-dev] Fwd: Re: [VBox-users] teleporting...

Geoff Nordli geoffn at gnaa.net
Thu Nov 14 18:02:47 UTC 2013

On 13-11-14 04:38 AM, Klaus Espenlaub wrote:
> The chipset isn't relevant, but any VM which needs to be teleported
> across CPU types has to be configured properly, limiting the CPUID
> features to a compatible subset of both CPUs*before*  starting the VM on
> the original system.
> If that's done properly then it's even possible to teleport between CPU
> vendors.
> The synthetic CPI setting was intended to avoid many complicated issues,
> but it turned out to be not usable for a number of guest OSes, as they
> simply refuse to run on such all fake CPUs. So currently you have to do
> the CPUID research yourself, especially if you don't want to
> unnecessarily strip out features.
> Klaus

Thanks Klaus.

Do you have any documentation you can refer to and the process to make 
this work on vbox?

There is quite a bit of info on masking with other hypervisors.

I am more interested in the process to do it in vbox.


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