Hardware.nvidia.open is used but not defined error when updating nixos flake config

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1

When I try updating the flake input I get: “The option `hardware.nvidia.open’ is used but not defined.”, however I can’t find what is using it. Here is my config nixos config

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2

I had the same problem. A default for the setting no longer exists, so you have to specify it by putting hardware.nvidia.open=false or true.

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3

any advice on which one to pick: open-source driver or not?

4

Personally I chose false because that was the default, so it was what I was using before.

5

nvidia’s drivers set open by default now, so probably open. This is also why the default changed. Test both to see if there’s fallout.

That said, it definitely should still have a default (which is true if you’re on the latest drivers), guess something went wrong upstream: NixOS Search

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6

The default is only set for driver versions older than 560. With 560+, you must manually choose.

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7

There’s a discussion about improving the error message here.

8

This may be related, so I’ll ask here. Ever since this change, perhaps coincidentally, the nvidia driver doesn’t work for me anymore. It hangs trying to start sddm. I have GeForce MX330. Do I need to make an additional specification now? Would my “user experience” be significantly different if I used the free driver? I’m concerned, because I haven’t been able to upgrade my system since this change.

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Could you clarify please? Are you saying that, if you choose default, you are using the open source driver? I have it set to default and I see the NVIDIA driver being built and installed (and crapping out now on me).

10

Share your config and more precisely what “crapping out” means; probably best to do in a separate thread. This one is about a build-time error, which clearly you’re not getting.

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11

Crapping out was what I mentioned above…hangs when launching sddm. This is my config. Thank you.

{ config, lib, pkgs, ... }:
{

  hardware.graphics = {
    enable = true;
  };

  services.xserver.videoDrivers = ["nvidia"];

  hardware.nvidia = {
    modesetting.enable = true;
    open = false;

    nvidiaSettings = true;

    prime = {
      sync.enable = true;
      intelBusId = "PCI:0:2:0";
      nvidiaBusId = "PCI:1:0:0";
    };

  };
}
12

Didn’t see your post. My intention was to start a new thread if there wasn’t a quick answer. Posted here b/c coincident with this change.