Re: XP installation speed: KVM vs Xen

[Avi Kivity <avi-atKUWr5tajBWk0Htik3J/w@public.gmane.org>]

Andrew Olney wrote:
> I'd almost swear that KVM is faster with an XP raw image that was
> installed by Xen, than it is with a raw image installed by KVM.
>
>   

That may well be.  Perhaps the images have different HALs.

Compare the values under My Computer | Properties | Hardware | Device 
Manager | Computer.  Maybe one uses the "Standard PC" HAL (faster) and 
the other the ACPI HAL (slower).  You can also change HALs (required 
reboot).


> On Wed, 2007-02-28 at 09:10 +0200, Avi Kivity wrote:
>   
>> Andrew Olney wrote:
>>     
>>> I've been migrating from Xen to KVM for a wide variety of reasons.
>>>
>>> I've noticed, however, that XP installs much much faster with Xen (3.03
>>> xen-image-xen0-2.6.17-6-generic-xen0 ubuntu) than with KVM (14).
>>>   
>>>       
>> btw, as both Xen and kvm use qemu, Xen full virtualization images should 
>> work without change in kvm.
>>
>>
>>
>>     
>
>   


-- 
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