nvidia fix m3-ares

hosts/common/default.nix

@@ -1,11 +1,5 @@
 # Common configuration for all hosts
-{
-  pkgs,
-  lib,
-  inputs,
-  outputs,
-  ...
-}: {
+{ config, pkgs, lib, inputs, outputs, ... }: {
   imports = [
     ./extraServices
     ./ports.nix
@@ -13,15 +7,17 @@
     inputs.home-manager.nixosModules.home-manager
   ];
 
-  environment.pathsToLink = [
-    "/share/xdg-desktop-portal"
-    "/share/applications"
-  ];
+  environment.pathsToLink =
+    [ "/share/xdg-desktop-portal" "/share/applications" ];
 
   home-manager = {
     useUserPackages = true;
-    extraSpecialArgs = {inherit inputs outputs;};
+    extraSpecialArgs = {
+      inherit inputs outputs;
+      videoDrivers = config.services.xserver.videoDrivers or [ ];
+    };
   };
+
   nixpkgs = {
     # You can add overlays here
     overlays = [
@@ -69,10 +65,9 @@
       options = "--delete-older-than 30d";
     };
     optimise.automatic = true;
-    registry =
-      (lib.mapAttrs (_: flake: {inherit flake;}))
+    registry = (lib.mapAttrs (_: flake: { inherit flake; }))
       ((lib.filterAttrs (_: lib.isType "flake")) inputs);
-    nixPath = ["/etc/nix/path"];
+    nixPath = [ "/etc/nix/path" ];
   };
   users.defaultUserShell = pkgs.nushell;
 }

hosts/m3-ares/configuration.nix

@@ -1,11 +1,7 @@
 # Edit this configuration file to define what should be installed on
 # your system. Help is available in the configuration.nix(5) man page, on
 # https://search.nixos.org/options and in the NixOS manual (`nixos-help`).
-{
-  config,
-  pkgs,
-  ...
-}: {
+{pkgs, ...}: {
   imports = [
     # Include the results of the hardware scan.
     ./hardware-configuration.nix
@@ -13,7 +9,6 @@
 
   specialisation = {
     "NVIDIA".configuration = {
-      boot.kernelParams = ["nvidia.NVreg_PreserveVideoMemoryAllocations=1"];
       system.nixos.tags = ["NVIDIA"];
       services.xserver.videoDrivers = ["nvidia"];
       hardware.nvidia-container-toolkit.enable = true;
@@ -31,6 +26,8 @@
     options kvm_intel emulate_invalid_guest_state=0
     options kvm ignore_msrs=1
   '';
+  boot.blacklistedKernelModules = ["nova_core"];
+  # CRITICAL FIX #4: Kernel parameters to prevent nouveau from loading early
 
   networking.hostName = "m3-ares"; # Define your hostname.
   # warp-terminal update fix

hosts/m3-ares/hardware.nix

@@ -1,4 +1,8 @@
-{pkgs, ...}: {
+{
+  config,
+  pkgs,
+  ...
+}: {
   hardware.nvidia = {
     prime = {
       offload.enable = false;
@@ -15,6 +19,7 @@
     open = false;
     dynamicBoost.enable = true;
     nvidiaSettings = true;
+    package = config.boot.kernelPackages.nvidiaPackages.production;
   };
   hardware.tuxedo-drivers.enable = true;
   hardware.bluetooth.enable = true;

hosts/m3-ares/services/default.nix

@@ -33,6 +33,7 @@
         userServices = true;
       };
     };
+    displayManager.gdm.enable = true;
   };
   systemd.sleep.extraConfig = ''
     AllowSuspend=no