failed attempt to fix random crashes (potentially mesa related)

hosts/takamaki/default.nix

@@ -17,16 +17,17 @@ in {
     ./modules/openssh.nix
     ./modules/sudo.nix
     ./modules/remote-builder.nix
+    ./modules/virt-manager.nix
   ];
 
   nixpkgs.overlays = [ 
     inputs.nix-cachyos-kernel.overlays.pinned
-    (final: prev: {
+    /*(final: prev: {
       mesa = pkgs-mesa-overlay.mesa;
-    })
+    })*/
   ];
 
-  boot.kernelPackages = pkgs.cachyosKernels.linuxPackages-cachyos-bore-zen4;
+  # boot.kernelPackages = pkgs.cachyosKernels.linuxPackages-cachyos-bore-zen4;
 
   environment.systemPackages = with pkgs; [
     efibootmgr

hosts/takamaki/modules/virt-manager.nix

@@ -0,0 +1,20 @@
+{
+  pkgs,
+  config,
+  ...
+}: {
+  virtualisation.libvirtd = {
+    enable = true;
+    qemu.vhostUserPackages = with pkgs; [ virtiofsd ];
+  };
+
+  programs.virt-manager.enable = true;
+
+  users.users.grey.extraGroups = [ "libvirtd" ];
+
+  environment.systemPackages = with pkgs; [
+    dnsmasq
+  ];
+
+  networking.firewall.trustedInterfaces = [ "virbr0" ];
+}