Great find, this worked for me after I was getting a blank screen and VM won't boot as soon as I turn on Resizable BAR in the BIOS. It worked fine bare metal, so I knew it was something to do with KVM but didn't know what. I have an HP RTX 3090, motherboard is an ASRock ROMED8-2T (with beta BIOS that has ReBAR support and is not public yet). Here's the GPUZ info from the VM:     Here's my lspci dump for the card:  I'm on Unraid 6.11.5 and VM is on Q35-7.1, W