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fix(vm): ensure Plymouth display and fix black screen in Hyprland

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- Force essential kernel parameters for VMs (video mode, splash).
- Add necessary virtio drivers to initrd.availableKernelModules.
- Fix black screen in Hyprland by disabling hardware cursors.
- Add fallback wallpaper logic to prevent swww crashes.
This commit is contained in:
Bernardo Magri
2026-04-05 12:48:43 +01:00
parent 2afd5eaa36
commit ac6087559d
2 changed files with 14 additions and 5 deletions
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8
flake.nix
View File

@@ -94,8 +94,8 @@
# Use a dummy hardware config for VM # Use a dummy hardware config for VM
fileSystems."/" = { device = "/dev/disk/by-label/nixos"; }; fileSystems."/" = { device = "/dev/disk/by-label/nixos"; };
boot.loader.grub.device = "/dev/vda"; boot.loader.grub.device = "/dev/vda";
boot.initrd.kernelModules = [ "virtio_gpu" ]; boot.initrd.availableKernelModules = [ "virtio_pci" "virtio_blk" "virtio_gpu" ];
boot.kernelParams = [ "video=1280x800" ]; boot.kernelParams = nixpkgs.lib.mkForce [ "video=1280x800" "splash" "boot.shell_on_fail" ];
# Ensure the user has the right groups for graphical environment # Ensure the user has the right groups for graphical environment
users.users.nixos = { users.users.nixos = {
@@ -129,8 +129,8 @@
# Use a dummy hardware config for VM # Use a dummy hardware config for VM
fileSystems."/" = { device = "/dev/disk/by-label/nixos"; }; fileSystems."/" = { device = "/dev/disk/by-label/nixos"; };
boot.loader.grub.device = "/dev/vda"; boot.loader.grub.device = "/dev/vda";
boot.initrd.kernelModules = [ "virtio_gpu" ]; boot.initrd.availableKernelModules = [ "virtio_pci" "virtio_blk" "virtio_gpu" ];
boot.kernelParams = [ "video=1280x800" ]; boot.kernelParams = nixpkgs.lib.mkForce [ "video=1280x800" "splash" "boot.shell_on_fail" ];
# Setup default user for testing # Setup default user for testing
users.users.nomarchy = { users.users.nomarchy = {

11
modules/home/hyprland.nix
View File

@@ -1,13 +1,22 @@
{ config, pkgs, lib, ... }: { config, pkgs, lib, ... }:
let let
activeWallpaper = config.nomarchy.wallpaper; activeWallpaper = if config.nomarchy.wallpaper != "" then
config.nomarchy.wallpaper
else "${../../assets/themes/catppuccin/backgrounds/1-totoro.png}";
hyprlandState = config.nomarchy.hyprland; hyprlandState = config.nomarchy.hyprland;
in in
{ {
home.sessionVariables = {
WLR_NO_HARDWARE_CURSORS = "1";
};
wayland.windowManager.hyprland = { wayland.windowManager.hyprland = {
enable = true; enable = true;
settings = { settings = {
"cursor" = {
"no_hardware_cursors" = true;
};
"general" = { "general" = {
"gaps_in" = hyprlandState.gaps_in; "gaps_in" = hyprlandState.gaps_in;
"gaps_out" = hyprlandState.gaps_out; "gaps_out" = hyprlandState.gaps_out;