Nvidia driver installation: swiotlb buffer full

[1n40]

Hello everyone,
I’m trying to install Nvidia driver, because of some problems with Nouveau. And, well, Xorg is able to load the driver, but when trying to start I have an error in journalctl.
Does anyone know how to deal with this issue?
GPU: RTX 4070 Ti SUPER

[FranklyFlawless]

Use this guide:

Nvidia proprietary driver installation

You can use rpm packages from rpmfusion, or you can build the driver yourself. Word of Caution Proprietary (NVIDIA/AMD) drivers are known to be sometimes highly problematic, or completely unsupported. Radeon driver support is prebaked in the Qubes kernel (v4.4.14-11) but only versions 4000-9000 give or take. Support for newer cards is limited until AMDGPU support in the 4.5+ kernel, which isn’t released yet for Qubes. Built in Intel graphics, Radeon graphics (between that 4000-9000 range), an…

[1n40]

That’s how I got to this point. Problem still present.

[Churros]

I didn’t encounter this myself, but I can tell you that adding swiotlb=4096 (or 8192, or …) to the grub command-line is a solution for the symptom of swiotlb exhaustion errors

If that symptom is just of some larger issue in your case, I do not know