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Re: [Qemu-devel] cpuid problem in upstream qemu with kvm
From: |
Alexander Graf |
Subject: |
Re: [Qemu-devel] cpuid problem in upstream qemu with kvm |
Date: |
Mon, 21 Dec 2009 12:22:53 +0100 |
On 21.12.2009, at 12:18, Michael S. Tsirkin wrote:
> 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?
I tend to have my VM images on an NFS share and expect them to work properly on
all PCs I work on. So I guess the answer is "often"?
Alex
- Re: [Qemu-devel] cpuid problem in upstream qemu with kvm, (continued)
- Re: [Qemu-devel] cpuid problem in upstream qemu with kvm, Anthony Liguori, 2009/12/22
- Re: [Qemu-devel] cpuid problem in upstream qemu with kvm, Avi Kivity, 2009/12/23
- Re: [Qemu-devel] cpuid problem in upstream qemu with kvm, Avi Kivity, 2009/12/21
- Re: [Qemu-devel] cpuid problem in upstream qemu with kvm, Andre Przywara, 2009/12/21
- Re: [Qemu-devel] cpuid problem in upstream qemu with kvm, Avi Kivity, 2009/12/21
- Re: [Qemu-devel] cpuid problem in upstream qemu with kvm, Jamie Lokier, 2009/12/22
- Re: [Qemu-devel] cpuid problem in upstream qemu with kvm, Avi Kivity, 2009/12/21
- Re: [Qemu-devel] cpuid problem in upstream qemu with kvm, Michael S. Tsirkin, 2009/12/21
- Re: [Qemu-devel] cpuid problem in upstream qemu with kvm,
Alexander Graf <=
- Re: [Qemu-devel] cpuid problem in upstream qemu with kvm, Michael S. Tsirkin, 2009/12/21
- Re: [Qemu-devel] cpuid problem in upstream qemu with kvm, Alexander Graf, 2009/12/21
- Re: [Qemu-devel] cpuid problem in upstream qemu with kvm, Michael S. Tsirkin, 2009/12/21
- Re: [Qemu-devel] cpuid problem in upstream qemu with kvm, Jamie Lokier, 2009/12/22
- Re: [Qemu-devel] cpuid problem in upstream qemu with kvm, Avi Kivity, 2009/12/21
- Re: [Qemu-devel] cpuid problem in upstream qemu with kvm, David S. Ahern, 2009/12/21
- Re: [Qemu-devel] cpuid problem in upstream qemu with kvm, Michael S. Tsirkin, 2009/12/21
- Re: [Qemu-devel] cpuid problem in upstream qemu with kvm, David S. Ahern, 2009/12/21
- Re: [Qemu-devel] cpuid problem in upstream qemu with kvm, Avi Kivity, 2009/12/21
- Re: [Qemu-devel] cpuid problem in upstream qemu with kvm, Avi Kivity, 2009/12/21