solved no signal on TTY by disabling fbdev and modeset kernel params

packages/hello/default.nix

@@ -13,6 +13,7 @@
     stdenv,
     fetchurl,
     nixos,
+    callPackage,
     testers,
     versionCheckHook,
     hello,

packages/hello/test.nix

@@ -0,0 +1,8 @@
+{ runCommand, hello }:
+
+runCommand "hello-test-run" {
+  nativeBuildInputs = [ hello ];
+} ''
+  diff -U3 --color=auto <(hello) <(echo 'Hello, world!')
+  touch $out
+''

systems/x86_64-linux/drivebystation-nix/default.nix

@@ -86,6 +86,8 @@ in
         pkgs.gparted
         pkgs.ntfs3g 
         pkgs.ntfsprogs
+        pkgs.my-namespace.udev-steelseries
+        pkgs.my-namespace.hello
         #  vim # Do not forget to add an editor to edit configuration.nix! The Nano editor is also installed by default.
         #  wget
       ]

systems/x86_64-linux/drivebystation-nix/nvidia.nix

@@ -8,9 +8,10 @@
 
   # Load nvidia driver for Xorg and Wayland
   #boot.extraModulePackages = [ config.boot.kernelPackages.nvidia_x11 ];
-  #boot.kernelParams = [
+  boot.kernelParams = [
-  #  "nvidia-drm.fbdev=1"
+   "nvidia-drm.fbdev=0"
-  #];
+   "nvidia-drm.modeset=0"
+  ];
   boot.blacklistedKernelModules = [ 
     "i915" 
     "amdgpu"