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Date: Mon, 21 Dec 2009 13:18:57 +0200
From: "Michael S. Tsirkin" <mst@redhat.com>
Subject: Re: [Qemu-devel] cpuid problem in upstream qemu with kvm
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To: Avi Kivity <avi@redhat.com>
Cc: Alexander Graf <agraf@suse.de>, Gleb Natapov <gleb@redhat.com>, qemu-devel@nongnu.org

On Mon, Dec 21, 2009 at 01:12:26PM +0200, Avi Kivity wrote:
> On 12/20/2009 07:18 PM, Michael S. Tsirkin wrote:
>>
>>>> Hmm, then, shouldn't either kvm or qemu mask features that we do not
>>>> emulate well enough to make windows not crash?
>>>>        
>>> -cpu host does that already, no?
>>>
>>> Alex
>>>      
>> I expected so, but Avi here seems to say windows will crash if you
>> use a new CPU with it ...
>>    
>
> No, Windows tries to detect changes in your hardware and assumes that if  
> too many things change, you might be a pirate and requires you to phone  
> their offices to re-authenticate.

How often does a casual user upgrade his host CPU?

> -- 
> error compiling committee.c: too many arguments to function