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Try these:<br>
<blockquote type="cite">~ % cat /etc/modprobe.d/kvm.conf <br>
options vfio_iommu_type1 allow_unsafe_interrupts=1<br>
options kvm ignore_msrs=1<br>
options kvm-amd npt=0</blockquote>
<br>
<br>
<div class="moz-cite-prefix">On 2015.11.11 15:50, Manvir Singh
wrote:<br>
</div>
<blockquote
cite="mid:544B6B94-EA44-450A-8B20-AE30CB966E10@programming4life.com"
type="cite">I've finally got windows 10 working and booting in
fedora 23 with GPU passthrough only problem now is I get very low
fps in any game. Let's take for example GTA 5 I kept my settings
for GTA 5 that I used previously on windows that I know are good
settings giving me decent fps as I've used the settings before. So
it's not the settings being too high that's causing this. I give
the VM all but one of my 8 cores checking for a CPU performance
problem and still the fps was very low. Also another thing in GTA
5 if I go to settings it says I only have 512MB of vram when I
have 3GB. Also if I open AMD catalyst control center it doesn't
show my card there however if I disable then reenable the
driver/card from device manager in windows then GTA 5 and AMD
catalyst control center both recognize the card but doing this
causing artefacts. I'm using latest AMD BETA drivers from there
site. <br>
<br>
[Host]<br>
OS: Fedora 23<br>
CPU: FX-8350<br>
MOBO: GA-990FXA-UD3 <a moz-do-not-send="true"
href="http://www.gigabyte.com/products/product-page.aspx?pid=4672#ov">http://www.gigabyte.com/products/product-page.aspx?pid=4672#ov</a><br>
GPU: R9 280 x2 (passing only one card to the vm using the other
card on host)<br>
RAM: 16GB<br>
<br>
[Vm]<br>
OS: Windows 10<br>
CPU: host-passthrough<br>
GPU: Second R9 280<br>
Ram: 8GB<br>
Type: UEFI, BIOS (I've tried both it doesn't seem to make a
deference)
<br>
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</blockquote>
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