January 4, 20233 yr I have a server with a 4-port USB 3 PCIe add-in card. Each port on the card has it's own controller. I have two of the four controllers on the card along with two Quadro RTX 6000 GPUs passed through to this particular VM. When I attempt to connect a VR headset (Varjo XR-3), one of three things happens: Windows reports the device as unrecognizable (device descriptor request failed). The attached keyboard and mouse stop working which is followed by a VM crash or display flickering (the mixed reality cameras report they are up at USB 3). The mixed reality cameras only come up at USB 2 instead of USB 3. They have to operate at USB 3 to work. I've done about every thing I can think of to try and fix this. The VM is running Windows 10 Enterprise v22H2. The host server is running Unraid 6.11.5.
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