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....@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@redhat.com > https://www.redhat.com/mailman/listinfo/vfio-users > >
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