All about Fedora Linux
My google-fu says that you should open up the repository file /etc/yum.repos.d/rpmfusion-nonfree.repo with your favourite text editor and add an exclude=nvidia* in the [rpmfusion-nonfree] section. But that seem to be older info and also relate to yum.
The official dnf command ref has an excludepkgs flag instead
https://dnf.readthedocs.io/en/latest/conf_ref.html#options-for-both-main-and-repo
I haven't tried it myself.
It seems like I didn't have to use the drivers from cuda-fedora42 in order to use the CUDA Toolkit, but I'll save this in case I get package conflicts in the other direction in the future. Thanks!
They're essentially the same, and honestly, you probably want the rpmfusion ones available anyway as you'll get more frequent updates if you're doing things like gaming.
It seems like you may have chosen the wrong meta package to install from the Nvidia repo. You want the one called cuda-toolkit-13, which only installs the Cuda tools, and doesn't try to manage the drivers.
If you're using this for development purposes, you may have a need to keep the library chain of packages in line because the Nvidia toolchains are very fickle.
Ah, interesting.. I've been using CUDA Toolkit/SDK since Fedora 39 I think, and I was under the impression that it required its own versions of the drivers. I tried removing all packages from cuda-fedora42, reinstalling the driver from rpmfusion and then just the cuda-toolkit. So far it seems to be working, so let's hope it continues that way. Thanks!
No prob. To help in the future, think of it like this:
So the only time you get a mismatch and have a problem is when you have an OLD driver paired with a new library. This is because the library may try to issue a new command that the driver does not yet support.
If you ever run into issues, just search up the Nvidia version support matrix for whichever library is having problems. Here is an example