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submitted 1 year ago by dog@suppo.fi to c/linux@lemmy.ml

So I have both an igpu and dgpu, which means this should be easy, yeah?

Namely, Ryzen 9 7900 and RTX 4070ti.

But for the love of god I can't get any installation working correctly with this combo OOB.

I've tried Nix. I've tried Arch. I've tried Garuda. I've tried Endeavour. I've tried Pop! OS.

I've also tried Proxmox, Truenas Scale, and Unraid, Smart OS, and others.

But there's always something wrong with display.

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[-] OsrsNeedsF2P@lemmy.ml 12 points 1 year ago

Dual GPU and Nvidia are both tricky on Linux, so I assume you're being sarcastic :P.

Unfortunately I don't have experience with it, but I know people have gotten it working

[-] dog@suppo.fi 7 points 1 year ago

Sadly not sarcastic. Ideal is Radeon handling the base, and NVIDIA being used in passthrough.

They just refuse to cooperate.

[-] _cnt0@unilem.org 5 points 1 year ago

What do you mean by passthrough here? Usually passthrough refers to passing through a GPU to a virtual machine. And there is no cooperation whatsoever required between the GPUs for that. That makes me think you're talking about offloading: one GPU controlling the display, while the other does the heavy lifting of 3d rendering. Last time I checked - several years ago - that is impossible with the proprietary nvidia driver, unless you have hardware that supports that, like prime in laptops. The only way to do offloading to a nvidia card without such hardware was to use the open source driver nouveau. And at the time there was absolutely no point in offloading with nouveau because it had such terrible performance. Now, this might have changed on several fronts since then; so take it with a grain of salt.

this post was submitted on 21 Sep 2023
14 points (81.8% liked)

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