Re: Nested virtualization on Intel does not work - second level freezes when third level is starting

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On 04/11/2012 09:37 PM, Guido Winkelmann wrote:
> Am Mittwoch, 11. April 2012, 17:25:12 schrieb Orit Wasserman:
>> On 04/11/2012 04:43 PM, Guido Winkelmann wrote:
>>> Am Mittwoch, 11. April 2012, 16:29:55 schrieben Sie:
>>>> I'm not sure if this is the problem but I noticed that the second layer
>>>> and
>>>> the third layer have the same memory size (8G), how about trying to
>>>> reduce
>>>> the memory for the third layer ?
>>>
>>> I tried reducing the third layer to 1G. That didn't change anything.
>>
>> There is a patch for fixing nVMX in 3.4.
>> http://www.mail-archive.com/kvm@xxxxxxxxxxxxxxx/msg68951.html
>> you can try it .
> 
> That worked, though the VM inside the VM is still very slow...

you can try Nadav's nEPT (Nested EPT) patches they should help with the performance.

Orit

> 
> 	Guido

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