Re: Ubuntu Gutsy host / XP guest / -smp 2

[Avi Kivity <avi@qumranet.com>]

David Abrahams wrote:
>>>   
>>>       
>> Versions of kvm producing this sort of output are common in
>> archaeological digs.  Please try a more recent release.
>>     
>
> Well, I'll try Hardy Heron soon enough, I suppose.  It's due out in 2
> weeks.
>
> I'm sure you understand that most people can't afford to rebuild all
> their important software so that it stays on the bleeding edge.  Have
> you considered getting more recent versions of kvm into the updates or
> backports repositories of major distros?  I'm not really sure how much
> influence you can have over such things; I'm just asking.
>
>   

That's up to the distro maintainers, or concerned users (who may either 
volunteer work or apply pressure).

>>>> What HAL do you see in device manager?
>>>>     
>>>>         
>>> "Standard PC"
>>>
>>>   
>>>       
>> This HAL does not support SMP.  You need the "ACPI Multiprocessor PC"
>> HAL or some such.
>>     
>
> And how would I get that HAL set up?
>
>   

Follow http://kvm.qumranet.com/kvmwiki/Windows_ACPI_Workaround, 
substituting your desired HAL for "Standard PC".

>> Unless you have a recent Intel processor, the combination of SMP and
>> Windows XP will give noticeably lower performance.  I recommend sticking
>> with uniprocessor in such cases.
>>     
>
> I have a Core Duo; isn't that recent enough?
>   

No, this feature is present only on some of the Core 2s, IIRC.

-- 
Do not meddle in the internals of kernels, for they are subtle and quick to panic.


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