AMD is collecting specific configuration details from users intending to utilize PCI Express® passthrough on the Threadripper platform, primarily to enable bare metal dGPU performance in a guest OS. Providing specific details about your hardware, BIOS, OS, kernel, driver, and VMconfiguration will help us replicate and effectively test authentic configurations.

Is your primary issue that the passthrough GPU is hanging in the D3 state during VM start?
Do you have a PCIe add-in card that will not POST, even if the system BIOS has CSM Enabled (non-EFI environment)?
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