From what I remember "-cpu" is to tell the vm what cpu extensions are
available. I always just use "-cpu host" which has kvm pass in all the cpu extensions that the host processor has.
Using WindowsXP mode on a windows 7 VM sounds dirty. XP mode used to require virtualization hardware, now it doesn't. Perhaps passing in a cpu that doesn't have virtualization extensions is the way to make windows go the non-hardware route. I would expect the performance to be abysmal, but it would be a neat trick.
Patrick
-----Original Message----- From: centos-bounces@centos.org [mailto:centos-bounces@centos.org] On Behalf Of Jerry Geis Sent: Wednesday, January 05, 2011 8:09 AM To: CentOS ML Subject: Re: [CentOS] using kvm
I have not tried a VM within a VM (nested) although I have heard
that
it is possible.
I guess the correct processor type could be passed with the "-cpu "
parameter.
-- Arun Khan
I have tried "-cpu phenum" which does not run at all. and I tried "-cpu core2duo" which runs the guest but does not run the VM within a VM.
Thanks,
Jerry
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