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this post was submitted on 06 Aug 2023
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Linux
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Looks interesting but I think claims of VMetal in regards of gaming are kind of bullshit. I have been looking into running windows/Linux in VM and have it full access to GPU (GPU pass through) and there are 2 major problems.
Nvidia and amd being scummy and having firmware limiters in consumer GPUs to segment their products. This should be "fixable" by modifying firmware but ... Yeah... Not very comfortable thing to do
Motherboards not having support or worse have broken implementation of iommu.
Maybe my "research" was bad. Let's hope someone will correct me.
Not sure what firmware limiters you're talking about? I'm using a cheap ASUS board (B450i-gaming), a Zen 2 CPU and a 6600 XT, and single GPU passthru works just fine for me on Arch using this guide. (I haven't tried VMetal or this new release of Nitrux yet). Yes, some manufactures are iffy about IOMMU support, mostly Intel-CPU and Intel-based boards in my experience, but if you're using AMD you should be fine.
There is something called an ACS override patch, but that's a kernel patch not a GPU firmware patch, and from my understanding, that's for dual-GPU users. Regardless, it doesn't modify your firmware in any way.
The same limitation mentioned it the guide you shared:
Also thanks for sharing it. I will try it some other time. ๐
Only 10xx is affected or older cards are too ?? ๐