[vfio-users] Which next steps in GPU passthrough

[Alex Williamson]

On Tue, Apr 25, 2017 at 11:40 AM, Konrad Wojtoń <kondzik.w at gmail.com> wrote:

> Hi.
>
> Same story like with my Skylake 6700K. You need to unplug one of your
> GeForce cards and use integrated intel graphics for debian host. Or if you
> have enough room in your case, put one of the cards into last long pcie
> slot on motherboard. Last one should get iommu group from PCH which should
> be different that cpu group 1 (at least that is how it works on Z170
> chipsets).


+1, with the caveat that Union Point (z270) PCH quirks don't show up until
the v4.11 kernel.  Otherwise you get to go down the unsupported path of
applying the ACS override patch to your kernel.

Alex
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