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All screenshots are from Remote Desktop Connection. I have no physical display connected to the GPU.

I'm using Windows 10 19043.928. I disabled the Windows Basic Adapter then restarted, and it seems it turned itself back on? Not that I think the adapter has anything to do with error 43, but I could be wrong.

Okay, good and bad news. I got the GPU passthrough working! But... Getting code 43 for the GPU. Windows also knows its a VM, is that why I'm getting this error? I've tried installing drivers from Nvida website and Nvida Experience.

VM Config: bios: ovmf boot: order=scsi0;ide2;net0;ide0 cores: 4 efidisk0: Drive1:vm-100-disk-1,size=4M hostpci0: 0000:01:00,pcie=1,x-vga=1 ide0: local:iso/virtio-win-0.1.196.iso,media=cdrom,size=486642K ide2: local:iso/Windows.iso,media=cdrom machine: pc-q35-6.0 memory: 8192 name: Media-Server...

I'm so new and confused about this. I'm pretty sure I'm using system-md, which means the configuration part is different? Also, how would I check my IOMMU groups?

Even with Primary on it crashes.

IOMMU group 1 01:00.0 VGA compatible controller [0300]: NVIDIA Corporation GK107 GL [Quadro K600] [10de:0ffa] (rev a1)...

I am using acs override. I deleted it, updated grub and rebooted. Issue persists sadly. Config before: GRUB_CMDLINE_LINUX_DEFAULT="quiet intel_iommu=on iommu=pt pcie_acs_override=downstream,multifunction nofb nomodeset video=vesafb:off,efifb:off" Config after: GRUB_CMDLINE_LINUX_DEFAULT="quiet...

I followed this guide on Reddit: https://www.reddit.com/r/homelab/comments/b5xpua/the_ultimate_beginners_guide_to_gpu_passthrough/ Everything was successful, no errors. But then when I went to start the VM, Proxmox stops responding. Website goes down, VMs, can't SSH, it was just a hard crash...