[vfio-users] Significant FPS drop with AMD and GTX970

[Andrei Grigore]

Just tried. No improvement.

On Oct 8, 2016 14:43, "Rokas Kupstys" <rokups at zoho.com> wrote:

> See https://bbs.archlinux.org/viewtopic.php?id=162768 first post. See if
> you need ignore_msrs or allow_unsafe_interrupts. I had similar issue with
> and board and some module options fixed it I think.
>
>
> Sent from my Samsung device
>
>
> -------- Original message --------
> From: Andrei Grigore <andrei.grg at gmail.com>
> Date: 10/8/16 10:49 (GMT+02:00)
> To: Jayme Howard <g.prime at gmail.com>
> Cc: vfio-users <vfio-users at redhat.com>
> Subject: Re: [vfio-users] Significant FPS drop with AMD and GTX970
>
> Unfortunately, that didn't help. Thanks for the sugestion though!
>
> On Oct 8, 2016 03:06, "Jayme Howard" <g.prime at gmail.com> wrote:
>
>> Check to see if you have MSI enabled.  That'd be my bet.  Alex had a blog
>> post that covered it, but I don't have the link handy.
>>
>> On Fri, Oct 7, 2016 at 6:39 PM, Andrei Grigore <andrei.grg at gmail.com>
>> wrote:
>>
>>> Hi all,
>>>
>>> I was wondering if anyone is experiencing this and if there is a known
>>> fix for it.
>>>
>>> I am using ArchLinux with latest stable Kernel, qemu and libvirt.
>>>
>>> My CPU is FX-8230 with a GTX 970. I've passed thorugh the GPU to a Win10
>>> guest.
>>>
>>> In WoW on bare metal i get 90 fps and in the same area with the same
>>> graphic settings on the VM i get around 50. There seems to be no cpu and or
>>> ram bottlenet and the GPU seems to be quite gully used since the fans are
>>> starting to spin quite soon.
>>>
>>> Can anyone help here with a suggestion? I saw reports with about 3%
>>> performance drop, but I am experiencing a lot more.
>>>
>>> Thanks!
>>> Andrei.
>>>
>>> _______________________________________________
>>> vfio-users mailing list
>>> vfio-users at redhat.com
>>> https://www.redhat.com/mailman/listinfo/vfio-users
>>>
>>>
>>
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