November 20, 20196 yr I had this working a long time ago. But had to repurpose my server back to a normal desktop. Well, I bought a new desktop and my server is back. Asus rog x470 with ryzen 2700x. I have an RX580 and RX570 I put in the case. One was going to be used for plex docker (another battle for another day) and the other was going to be for my windows 10vm. I have my nvme drive seperate from array (unassigned devices) and I am able to boot the windows that was on there (when it was a stand alone pc) as a vm in unraid and that is working fine. But, when I try to use either of the GPU's as a pass through. I get internal error: Unknown PCI header type '127' Done some searching. Not finding anything. Now, a year ago I got this to work. As a vm image on an ssd (not a physical install on my nvme) I think I had to use Seabios or something. I totally forget how I got this to work. I have my old images saved from the vm's. I try to load those with seabios, or the omvf, and neither will let me use the gpu. Yes, the gpu's are in their own IOMMU group. IOMMU group 16:[1002:67df] 09:00.0 VGA compatible controller: Advanced Micro Devices, Inc. [AMD/ATI] Ellesmere [Radeon RX 470/480/570/570X/580/580X/590] (rev ff) [1002:aaf0] 09:00.1 Audio device: Advanced Micro Devices, Inc. [AMD/ATI] Ellesmere HDMI Audio [Radeon RX 470/480 / 570/580/590] (rev ff) IOMMU group 17:[1002:67df] 0a:00.0 VGA compatible controller: Advanced Micro Devices, Inc. [AMD/ATI] Ellesmere [Radeon RX 470/480/570/570X/580/580X/590] (rev ff) [1002:aaf0] 0a:00.1 Audio device: Advanced Micro Devices, Inc. [AMD/ATI] Ellesmere HDMI Audio [Radeon RX 470/480 / 570/580/590] (rev ff) What am I missing? How do I pass through one of these cards to the vm? another note, The rx580 was the video card for the computer when it was a stand alone pc.
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