In reply to @ajcxz0:matrix.org

Thank you, Jan Tojnar . I appreciate the quick response even if I don't fully understand it yet.
Those two gnome.nix URLs are the same an I trust seeing them again will not materially affect how I should change configuration.nix in my 23.05 channel install. That is, of course, what I have been trying and failing to successfully do.
I will try to translate

Adding pkgs.gnome.gnome-shell-extensions to environment.gnome.excludePackages NixOS option

into code which fits in my nearly default configuration.nix, then share it here.

In reply to @jtojnar:matrix.org
hmm, looks like it is still experimental, you can enable it locally with overrideAttrs but we probably do not want that in Nixpkgs yet

In reply to @5m5z3q888q5prxkg:chat.lightnovel-dungeon.de
Did anyone looked at https://github.com/NixOS/nixpkgs/issues/260222 yet? For some reason the gnome-shell is giving me DRM_IOCTL_MODE_CREATE_DUMB failed errors that is causing the system to crash and that seems to be specific to the gnome-shell atm no matter which mesa i use

In reply to @jtojnar:matrix.org
I have not seen that. How are you switching mesa?

With:

nixpkgs.overlays =
	 	[ (self: super:
	 		{
	 			mesa = pkgs.mesa_22_3;
	 		}
	 	)];

And doing unstable nixos configuration

In reply to @jtojnar:matrix.org
I have not seen that. How are you switching mesa?

With:

nixpkgs.overlays =
	 	[ (self: super:
	 		{
	 			mesa = pkgs.mesa_22_3;
	 		}
	 	)];

And doing unstable nixos configuration from a flake

In reply to @5m5z3q888q5prxkg:chat.lightnovel-dungeon.de

With:

nixpkgs.overlays =
	 	[ (self: super:
	 		{
	 			mesa = pkgs.mesa_22_3;
	 		}
	 	)];

And doing unstable nixos configuration from a flake

In reply to @jtojnar:matrix.org
I would expect something like this to work (though using pkgs in overlays can cause issues when pkgs contains incompatible dependencies) but Mesa is a bit more complicated. You might also need to replace libGL and/or mesa_glu.