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Yes - once I got the gvt-g running comfortably, I was able to reinstall the nvidia card and actually use PCI pass through to send it to the same vm.

Just an update in case anyone runs into the same issue. I removed my second Nvidia GPU and reinstalled pve on the host and now it's working fine.

All of the Intel virtualization options I can enable are enabled. Not sure what else I can do.

It's in /etc/modules and the initramfs is updated. I also set intel_iommu to igfx_off. The issue is that kvmgt will not load - it seems to fail at boot, and also fails when I try to load it manually: # modprobe -v kvmgt insmod /lib/modules/5.4.78-2-pve/kernel/drivers/gpu/drm/i915/gvt/kvmgt.ko...

Good to know - I was wondering whether it had something to do with the kernel version but it sounds (unsurprisingly) like something I'm doing / not doing instead. Appreciate the help - I pinged a few other threads that were along the same lines so fingers crossed.

Sure - it's long, so I'm attaching it. Thanks.

I have the same problem (no such device, etc). I wasn't able to get PCIe passthrough working either (Intel 630 driver error 43 in Win10 guest). everwisher - did you ever figure out how to get it working?

Thank you so much for all the detail. What pve version and kernel are you running? Unfortunately I have done all of these things, but the kvmgt module is not loading and I think that's (at least part of) what's causing the mdev_supported_types folder to be missing. I'm running pve version...

I wish I could help you, but I'm stuck trying to get GVT-g working at the kernel level. I can't seem to get the kvmgt module loaded, so I don't have the mdev_supported_devices folder. Would you mind sharing your configuration and whether/how you had to overcome any roadblocks to get as far as...