tried fixing freezes

hosts/legolas/hardware-configuration.nix

@@ -1,76 +1,69 @@
-# Do not modify this file!  It was generated by ‘nixos-generate-config’
-# and may be overwritten by future invocations.  Please make changes
-# to /etc/nixos/configuration.nix instead.
-{
-  config,
-  lib,
-  pkgs,
-  modulesPath,
-  ...
-}:
+{ config, lib, pkgs, modulesPath, ... }:
 
 {
   imports = [ (modulesPath + "/installer/scan/not-detected.nix") ];
 
-  #boot.kernelPackages = pkgs.linuxPackages_xanmod_latest;
-  #boot.kernelPackages = pkgs.linuxPackages_latest;
   boot.kernelPackages = pkgs.linuxPackages_zen;
 
-  boot.initrd.availableKernelModules = [
-    "xhci_pci"
-    "nvme"
-    "uas"
-    "rtsx_pci_sdmmc"
+  boot.kernelParams = [
+    "nvme_core.default_ps_max_latency_us=0"
+    "pcie_aspm=off"
+    "pcie_port_pm=off"
   ];
-  boot.initrd.kernelModules = [ ];
-  boot.kernelModules = [ "kvm-intel" ];
-  boot.extraModulePackages = [ ];
+
+  boot.initrd.availableKernelModules = [ "xhci_pci" "nvme" "uas" "rtsx_pci_sdmmc" ];
+  boot.initrd.kernelModules  = [ ];
+  boot.kernelModules         = [ "kvm-intel" ];
+  boot.extraModulePackages   = [ ];
 
   fileSystems."/" = {
     device = "/dev/disk/by-label/NIXROOT";
     fsType = "ext4";
   };
 
-  boot.initrd.luks.devices = {
-    "luks_secure" = {
-      device = "/dev/disk/by-uuid/c21c8089-29a7-4266-a8a6-6e80ccca167c";
-      #preLVM = true;
-      #allowDiscards = true;
-      crypttabExtraOpts = [
-        "tpm2-device=auto"
-        "tpm2-measure-pcr=yes"
-      ];
-    };
+  fileSystems."/boot" = {
+    device = "/dev/disk/by-label/NIXBOOT";
+    fsType = "vfat";
+    options = [ "fmask=0022" "dmask=0022" ];
+  };
+
+  boot.initrd.luks.devices.luks_secure = {
+    device            = "/dev/disk/by-uuid/c21c8089-29a7-4266-a8a6-6e80ccca167c";
+    crypttabExtraOpts = [
+      "tpm2-device=auto"
+      "tpm2-measure-pcr=yes"
+    ];
   };
 
-  
-  services.logind.lidSwitch = "suspend-then-hibernate"; 
-  powerManagement.enable = true;
   swapDevices = [
     {
       device = "/swapfile";
       size = 98 * 1024; # 32GB in MB
     }
+
   ];
 
-  fileSystems."/boot" = {
-    device = "/dev/disk/by-label/NIXBOOT";
-    fsType = "vfat";
-    options = [
-      "fmask=0022"
-      "dmask=0022"
-    ];
+  boot.kernel.sysctl = {
+    "vm.swappiness" = 10;
   };
 
+  services.logind.lidSwitch = "suspend-then-hibernate";
+  powerManagement.enable    = true;
+
   hardware.graphics = {
-    enable = true;
-    extraPackages = with pkgs; [
-      vpl-gpu-rt
-      intel-media-sdk
-    ];
+    enable       = true;
+    extraPackages = with pkgs; [ vpl-gpu-rt intel-media-sdk ];
   };
 
   nixpkgs.hostPlatform = lib.mkDefault "x86_64-linux";
   hardware.cpu.intel.updateMicrocode = lib.mkDefault config.hardware.enableRedistributableFirmware;
-
 }
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