I'm currently having the same issues with two servers on 6.10.0-RC2 with this same motherboard. I've tried just about everything.
MSI B560M-A PRO with i3-10100, Radeon RX580.
and
MSI B560M-A PRO with i5-11500, RTX 3070.
I briefly got the RX580 to passthrough to Windows 11 VM (Q35-6.1) with vbios (that I dumped). I installed the gpu drivers and then booted the server, legacy bios, with proper vfio binding and the vm displayed out via the gpu. I then shutdown because my keyboard passthrough wasn't working, changed usb bindings, and then the problems struck. I haven't been able to get it to passthrough since.
I haven't gotten the server with the RTX 3070 to passthrough at all.
I also haven't been able to get either to passthrough via a Windows 10 VM.
Accessing the Windows 11 VM from Windows Remote Desktop on the RX580 server shows the GPU currently not being recognized at all in Device Manager.
Anyone succesful with Nvidia passthrough 6.10.0-rc2 ?
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in Prereleases
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I'm currently having the same issues with two servers on 6.10.0-RC2 with this same motherboard. I've tried just about everything.
MSI B560M-A PRO with i3-10100, Radeon RX580.
and
MSI B560M-A PRO with i5-11500, RTX 3070.
I briefly got the RX580 to passthrough to Windows 11 VM (Q35-6.1) with vbios (that I dumped). I installed the gpu drivers and then booted the server, legacy bios, with proper vfio binding and the vm displayed out via the gpu. I then shutdown because my keyboard passthrough wasn't working, changed usb bindings, and then the problems struck. I haven't been able to get it to passthrough since.
I haven't gotten the server with the RTX 3070 to passthrough at all.
I also haven't been able to get either to passthrough via a Windows 10 VM.
Accessing the Windows 11 VM from Windows Remote Desktop on the RX580 server shows the GPU currently not being recognized at all in Device Manager.