I can confirm the ACS patch works. Both of my cards are now in separate
iommu groups and running a Windows 10 VM with the Geforce passed
through works just fine.
AVIC also works. My BIOS doesn't have any options related to it,
passing kvm_amd.avic=1 is enough to enable it.
dmesg: https://paste.pound-python.org/show/5Ke182Hz0tvA22lrSlRZ/lspci:
https://paste.pound-python.org/show/mSBL0xwMpfO1Lp1Eu9BG/
Regards,Friedrich
On Thu, 2017-03-09 at 02:33 -0500, Nick Sarnie wrote:
> I expect Alex to find it's a BIOS bug. Also, the ACS patch does allow
> the groups to be made separating the GPUs(Wendell reported it didn't
> work), but I haven't gotten around to testing actual passthrough to
> see if there's some other issue(Maybe this is what he meant). I'll
> report if it works tomorrow.
>
>
>
> On Thu, Mar 9, 2017 at 2:14 AM, taii...@gmx.com <taii...@gmx.com>
> wrote:
> >
> >
> >
> >
> > On 03/09/2017 12:30 AM, Nick Sarnie wrote:
> >
> >
> >
> > > Hi all,
> > > My Ryzen stuff finally arrived, so I can help get GPU Passthrough
> > > working.
> > > My CPU is the 1800X and my motherboard is the Asus Prime X370-
> > > Pro.
> > >
> > > I'm on kernel 4.10.1.
> > >
> > > The IOMMU groups are indeed bad:
> > > https://paste.pound-python.org/show/LGsNqdfIO3xWNNv9Mslr/
> > >
> > > As you can see, the graphics cards are grouped together.
> > >
> > > Alex, I've linked lspci -xxx -vvv and dmesg below. Please let me
> > > know if
> > > you see anything, or need any more information.
> > >
> > > lspci: https://paste.pound-python.org/show/iOgBaLrDZEGefuJjZlgy/
> > >
> > > dmesg: https://paste.pound-python.org/show/3eevItiXBhgCjwDXVxQX/
> > >
> > >
> > > Thanks,
> > > Sarnex
> > >
> > >
> > >
> > >
> > >
> > >
> > >
> > > _______________________________________________
> > > vfio-users mailing list
> > > vfio-users@redhat.com
> > > https://www.redhat.com/mailman/listinfo/vfio-users
> > >
> > >
> >
> >
> >
> > I hope this is just a bug and that AMD isn't going the intel
> > route
> > with making ACS a "server" feature.
> >
> >
> >
> > In comparison, my bulldozer rig with a SR5690 chipset where
> > there is
> > a turkey for every pot.
> >
> >
> >
> > /sys/kernel/iommu_groups/
> >
> > /sys/kernel/iommu_groups/7
> >
> > /sys/kernel/iommu_groups/7/devices
> >
> > /sys/kernel/iommu_groups/7/devices/0000:00:14.4 (7 is a pci
> > bridge
> > and onboard pci device)
> >
> > /sys/kernel/iommu_groups/7/devices/0000:08:01.0
> >
> > /sys/kernel/iommu_groups/5
> >
> > /sys/kernel/iommu_groups/5/devices
> >
> > /sys/kernel/iommu_groups/5/devices/0000:00:14.2
> >
> > /sys/kernel/iommu_groups/3
> >
> > /sys/kernel/iommu_groups/3/devices
> >
> > /sys/kernel/iommu_groups/3/devices/0000:00:14.0
> >
> > /sys/kernel/iommu_groups/11
> >
> > /sys/kernel/iommu_groups/11/devices
> >
> > /sys/kernel/iommu_groups/11/devices/0000:04:00.0
> >
> > /sys/kernel/iommu_groups/1
> >
> > /sys/kernel/iommu_groups/1/devices
> >
> > /sys/kernel/iommu_groups/1/devices/0000:00:12.2 (usb controller
> > set)
> >
> > /sys/kernel/iommu_groups/1/devices/0000:00:12.0
> >
> > /sys/kernel/iommu_groups/1/devices/0000:00:12.1
> >
> > /sys/kernel/iommu_groups/8
> >
> > /sys/kernel/iommu_groups/8/devices
> >
> > /sys/kernel/iommu_groups/8/devices/0000:00:14.5
> >
> > /sys/kernel/iommu_groups/6
> >
> > /sys/kernel/iommu_groups/6/devices
> >
> > /sys/kernel/iommu_groups/6/devices/0000:00:14.3
> >
> > /sys/kernel/iommu_groups/4
> >
> > /sys/kernel/iommu_groups/4/devices
> >
> > /sys/kernel/iommu_groups/4/devices/0000:00:14.1
> >
> > /sys/kernel/iommu_groups/12
> >
> > /sys/kernel/iommu_groups/12/devices
> >
> > /sys/kernel/iommu_groups/12/devices/0000:05:00.0 (video card
> > and
> > audio device)
> >
> > /sys/kernel/iommu_groups/12/devices/0000:05:00.1
> >
> > /sys/kernel/iommu_groups/2
> >
> > /sys/kernel/iommu_groups/2/devices
> >
> > /sys/kernel/iommu_groups/2/devices/0000:00:13.1 (other usb
> > controller set)
> >
> > /sys/kernel/iommu_groups/2/devices/0000:00:13.2
> >
> > /sys/kernel/iommu_groups/2/devices/0000:00:13.0
> >
> > /sys/kernel/iommu_groups/10
> >
> > /sys/kernel/iommu_groups/10/devices
> >
> > /sys/kernel/iommu_groups/10/devices/0000:03:00.0
> >
> > /sys/kernel/iommu_groups/0
> >
> > /sys/kernel/iommu_groups/0/devices
> >
> > /sys/kernel/iommu_groups/0/devices/0000:00:11.0
> >
> > /sys/kernel/iommu_groups/9
> >
> > /sys/kernel/iommu_groups/9/devices
> >
> > /sys/kernel/iommu_groups/9/devices/0000:01:00.0
> >
> >
> >
> >
> >
> >
>
> _______________________________________________
> vfio-users mailing list
> vfio-users@redhat.com
> https://www.redhat.com/mailman/listinfo/vfio-users
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