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Re: [vfio-users] Which next steps in GPU passthrough



On Tue, Apr 25, 2017 at 11:40 AM, Konrad Wojtoń <kondzik w 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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