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Create a QubesOS Gaming HVM with GPU PCI passthrough (2023)
Hardware To have an ‘HVM’ for gaming, you must have A dedicated GPU. By dedicated, it means: it is a secondary GPU, not the GPU used to display dom0. In 2023, ‘Nvidia’ and ‘Amd’ GPU work. Not tested with Intel GPUs. External GPU using thunderbolt work (Create a Gaming HVM - #8 by solene) A lot of patience. GPU passthrough is not trivial, and you will need to spend time debugging. A screen available for the gaming ‘HVM’. (It can be a physical monitor or just to have multiple cables conne...
This is caused by the default TOLUD (Top of Low Usable DRAM) of 3.75G provided by qemu not being large enough to accommodate the larger BARs that a graphics card typically has. From what I understood this means this will allow up to 2 GB of ram to your gpu passtrough HVM qube, then I don’t understand how people in other threads have straight up 4090s working. github.com/QubesOS/qubes-issues### Qubes OS version: R4.0 ### Affected component(s): Debian 10 AppVM - …-- ### Steps to reproduce the behavior: So, I finally could pass a GPU to a VM with PCI passthrough some weeks ago, but for some reason, I can't get it to run with more RAM.
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