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Fully Virtualized Gaming Server? (lemmy.ml)

submitted 1 month ago by [email protected] to c/selfhosted

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For years I’ve had a dream of building a rack mounted PC capable of splitting its resources to host multiple GPU intensive VMs:

a few gaming VMs
a VM for work that can run Davinci Resolve and Blender renders
an LLM server
a Stable Diffusion server
media server

Just to name a few possibilities…

Everytime I’ve looked into it, it seemed like the technology just wasn’t there yet. I remember a few years ago Linus TT took a shot at it, but in the end suggested the technology (for non-commercial entities) just wasn’t in a comfortable spot yet.

So how far off are we? Obviously AI focused companies seem to make it work, but what possibilities exist for us self-hosters who might also want to run multiple displays in addition to the web gui LLM servers? And without forking out crazy money for GPU virtualization software licenses?

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[–] pepperprepper 8 points 1 month ago (1 children)

You can use proxmox to do most of this. Currently my set will only pass-through the gpu to one VM. I have heard of splitting the power among VMs but I have not gone down that rabbit hole. If I want to play with llms I fire up that server, if I want to game, I shut that down and fire up my windows 10 vm.

[–] [email protected] 9 points 1 month ago* (last edited 1 month ago) (1 children)

In Proxmox they have VirGL-GPU and Virtio-GPU. They allow VMs to pass work to the GPU without being dedicated to one VM. I don't think gaming was the intended use case and don't know what kind of performance you would get. My uninformed guess is that it would not be great.

[–] [email protected] 1 points 4 weeks ago

I’ve always found the documentation around virtio-GPU and virtgl very lacking, and have never gotten them working. Would love to get pointers if anyone has a good source.