n/khas: microvm gpu didn't work anyway; disable

microvms/elementVm.nix

@@ -1,72 +0,0 @@
-{ config, lib, pkgs, ... }:
-
-{
-  microvm = {
-    hypervisor = "cloud-hypervisor";
-    graphics.enable = true;
-    interfaces = [{
-      id = "vm-element";
-      type = "tap";
-      mac = "00:00:00:00:00:02";
-    }];
-    storeDiskType = "erofs";
-    writableStoreOverlay = "/nix/.rw-store";
-    volumes = [{
-      image = "nix-store-overlay.img";
-      mountPoint = config.microvm.writableStoreOverlay;
-      size = 2048;
-    }];
-  };
-
-  networking.hostName = "graphical-microvm";
-  system.stateVersion = "23.11";
-
-  services.getty.autologinUser = "user";
-  users.users.user = {
-    password = "";
-    group = "user";
-    isNormalUser = true;
-    extraGroups = [ "wheel" "video" ];
-  };
-  users.groups.user = { };
-  security.sudo = {
-    enable = true;
-    wheelNeedsPassword = false;
-  };
-
-  environment.sessionVariables = {
-    WAYLAND_DISPLAY = "wayland-1";
-    DISPLAY = ":0";
-    QT_QPA_PLATFORM = "wayland"; # Qt Applications
-    GDK_BACKEND = "wayland"; # GTK Applications
-    XDG_SESSION_TYPE = "wayland"; # Electron Applications
-    SDL_VIDEODRIVER = "wayland";
-    CLUTTER_BACKEND = "wayland";
-    MOZ_ENABLE_WAYLAND = "1";
-    _JAVA_AWT_WM_NONREPARENTING = "1";
-    ECORE_EVAS_ENGINE = "wayland-egl";
-    ELM_ENGINE = "wayland_egl";
-    NO_AT_BRIDGE = "1";
-    BEMENU_BACKEND = "wayland";
-  };
-
-  systemd.user.services.wayland-proxy = {
-    enable = true;
-    description = "Wayland Proxy";
-    serviceConfig = with pkgs; {
-      # Environment = "WAYLAND_DISPLAY=wayland-1";
-      ExecStart =
-        "${wayland-proxy-virtwl}/bin/wayland-proxy-virtwl --virtio-gpu --x-display=0 --xwayland-binary=${xwayland}/bin/Xwayland";
-      Restart = "on-failure";
-      RestartSec = 1;
-    };
-    wantedBy = [ "default.target" ];
-  };
-
-  environment.systemPackages = with pkgs;
-    [
-      xdg-utils # Required
-    ] ++ [ element-desktop ];
-
-  hardware.opengl.enable = true;
-}

nixos/khas/default.nix

@@ -15,17 +15,6 @@
 
   # boot.kernelParams = [ "nohz_full=1-15" ];
 
-  boot.kernelPatches = with lib.kernel; [{
-    name = "disable transparent hugepages for virtio-gpu";
-    patch = null;
-    extraStructuredConfig = { TRANSPARENT_HUGEPAGE = lib.mkForce no; };
-  }];
-  # disabling transparent hugepages should fix it
-  nixpkgs.overlays = [ inputs.microvm.overlay ];
-  microvm.vms = {
-    # elementVm = { config = import ../../microvms/elementVm.nix; };
-  };
-
   age.secrets.ar-password.file = ../../secrets/khas-ar.age;
 
   users.users.ar.hashedPasswordFile = config.age.secrets.ar-password.path;