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Does cloud-hypervisor support PCIe device passthrough for devices such as a GPU? It seems like providing a graphics adapter like qemu is out of scope for this project but my question is if I give the VM a real GPU to access, may I obtain video output? |
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Replies: 2 comments 1 reply
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As long as the GPU manufacturer supports it, cloud hypervisor should. If not I think it'd be considered a bug. That said, not many GPUs support it without hacks, and c-h doesn't have the capabilities that qemu has to mask itself from the GPU drivers |
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Yes.. this is how we use it with Slicer.. I've never plugged a HDMI monitor into a mounted GPU as all our demos etc have only ever needed it headless for things like Ollama. https://docs.slicervm.com/examples/gpu-ollama/ There are also various You need some additional setup for Explanation and demo here: https://www.youtube.com/watch?v=YMgrbic-8h4 It should also be stated that older Nvidia cards (3090, 3060, 1030) seem to work, but he newer Blackwell generation fail, I've been having a long discussion with the maintainers and have tried out a dozen patches and none of them worked with a 5060 Ti card. |
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I installed xorg, openbox, and some other utilities into the base Slicer Linux VM image and got output from one of the two Nvidia 3090s.. (passed through via VFIO).. Hope this helps @jmpolom
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As long as the GPU manufacturer supports it, cloud hypervisor should. If not I think it'd be considered a bug. That said, not many GPUs support it without hacks, and c-h doesn't have the capabilities that qemu has to mask itself from the GPU drivers