There is an other thing that i don't understand. 

Like i said, if i set 2gb or <, the VM Word perfectly without problems.

I can set more memory ram only when i disable the internet function in 

Envoyé de mon iPhone

> Le 8 oct. 2016 à 15:16, Berillions <> a écrit :
> I don't understand what could eats the RAM of the host because i have 32GB 
> Memory RAM. I have 16GB for the Host and 16GB (with Hugepages) for the Guest. 
> My Windows_10.img is in an Ext2 partition.
> I try actually to use the IGD (Intel graphic card) to the Host and the GTX970 
> to the Guest and i have no problems. How is it possible to have conflict 
> between both Nvidia card.
> I have only two solutions :
> 1- Use both Nvidia cards but only 2GB Memory RAM in virt-manager and i don't 
> know if with 10GB of Memory swap in Win10 is enough to play at AAA games
> 2- Use IGD for Linux and the Nvidia for the Host. 
> 2016-10-08 14:36 GMT+02:00 Bronek Kozicki <>:
>> Perhaps you have something eating into RAM of the host. I had my host 
>> freezing when I forgot to limit memory utilization in the ZFS. It does not 
>> matter what eats into your host RAM - since qemu is just a regular userspace 
>> process, it's memory needs (ie those of the guest system) are not 
>> "prioritized" as more essential than any other userspace process. If your 
>> host does not have enough memory, then the more you allocate in qemu (or 
>> libvirt) to the guest system, the more probability that qemu will run out of 
>> RAM, effectively freezing the guest OS. At least, this is what it would 
>> appear to be (it might be simply swapping, but that slows down guest 
>> execution speed by orders of magnitude, so it is effectively frozen)
>> B.
>> From: Berillions
>> Sent: Friday, 7 October 2016 20:00
>> To: Jayme Howard
>> Cc:; vfio-users
>> Subject: Re: [vfio-users] Win10 Guest,       stability is horrible and 
>> freeze quickly
>> Very very very things. If i set more than 2GB Memory Ram in Virt-Manager for 
>> the Guest, i have artefacts and freeze. If I set 2GB like actually, the 
>> guest works perfectly.
>> So i don't know if it will be good for gaming even if i set Windows swap to 
>> 10GB ...
>> 2016-10-07 19:43 GMT+02:00 Jayme Howard <>:
>>> Put the 960 into the one that goes 4x if you're that worried about it, but 
>>> it shouldn't be a huge deal.  I don't know if the 960 can even saturate a 
>>> 4x.  It might be able to, but since it's a lower performance card anyway, 
>>> it shouldn't really matter.
>>>> On Fri, Oct 7, 2016 at 12:36 PM, Berillions <> wrote:
>>>> I have two PCI-E 3.0 16x slot,
>>>> The first with the 960 and the second for the 970. if the second slot is 
>>>> used, his bandwidth will not be 16x but 4x.
>>>> The others slots are only PCI-E 3.0 1x ...
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>>>> vfio-users mailing list
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