From: Orit Wasserman <owasserm@redhat.com>
To: Guido Winkelmann <guido-kvml@thisisnotatest.de>
Cc: kvm@vger.kernel.org
Subject: Re: Nested virtualization on Intel does not work - second level freezes when third level is starting
Date: Wed, 11 Apr 2012 21:46:47 +0300 [thread overview]
Message-ID: <4F85D197.3060204@redhat.com> (raw)
In-Reply-To: <2630612.xQ0BDW3ZUC@pc10>
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@vger.kernel.org/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
next prev parent reply other threads:[~2012-04-11 18:47 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-04-11 12:44 Nested virtualization on Intel does not work - second level freezes when third level is starting Guido Winkelmann
2012-04-11 13:29 ` Orit Wasserman
2012-04-11 13:43 ` Guido Winkelmann
2012-04-11 14:25 ` Orit Wasserman
2012-04-11 17:00 ` Guido Winkelmann
2012-04-11 17:41 ` Orit Wasserman
2012-04-11 18:37 ` Guido Winkelmann
2012-04-11 18:46 ` Orit Wasserman [this message]
2012-04-12 11:30 ` Guido Winkelmann
2012-04-11 14:38 ` Nadav Har'El
2012-04-11 16:27 ` Guido Winkelmann
2012-04-11 21:24 ` Nadav Har'El
2012-04-11 17:44 ` Kashyap Chamarthy
2012-04-11 18:04 ` Guido Winkelmann
2012-04-11 18:49 ` Kashyap Chamarthy
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