Could it be an issue caused by the MB chipset (990-fx)? How can you debug something like this?
On Oct 8, 2016 15:46, "Andrei Grigore" <andrei....@gmail.com> wrote: > Pretty sure, yes. Under: /etc/modprobe.d , then rebuilt the initramfs with > mkinitcpio -p linux and rebooted. > > On Oct 8, 2016 15:44, "Rokas Kupstys" <rok...@zoho.com> wrote: > >> Sure you put config in the right place? Because depending on how kernel >> modules are compiled config go to different places. >> >> >> >> Sent from my Samsung device >> >> >> -------- Original message -------- >> From: Andrei Grigore <andrei....@gmail.com> >> Date: 10/8/16 16:14 (GMT+02:00) >> To: Rokas Kupstys <rok...@zoho.com> >> Cc: vfio-users <vfio-users@redhat.com>, Jayme Howard <g.pr...@gmail.com> >> Subject: Re: [vfio-users] Significant FPS drop with AMD and GTX970 >> >> Just tried. No improvement. >> >> On Oct 8, 2016 14:43, "Rokas Kupstys" <rok...@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....@gmail.com> >>> Date: 10/8/16 10:49 (GMT+02:00) >>> To: Jayme Howard <g.pr...@gmail.com> >>> Cc: vfio-users <vfio-users@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.pr...@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....@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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