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fix(vm): increase RAM to 8GB and fix Hyprland rule syntax to prevent crashes

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- Increase VM memory to 8192MB to avoid OOM kills during session startup.
- Migrate all 'windowrule' to 'windowrulev2' in core configuration.
- Fix 'no_anim' syntax in layer rules.
- Re-enable graphics while keeping serial logs for debugging.
This commit is contained in:
Bernardo Magri
2026-04-05 14:17:52 +01:00
parent c71cb7ea71
commit 1fa60ed64a
20 changed files with 124 additions and 79 deletions
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56
flake.nix
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@@ -88,7 +88,7 @@
virtualisation.memorySize = 2048;
virtualisation.cores = 2;
virtualisation.graphics = true;
virtualisation.qemu.options = [ "-vga virtio" ];
virtualisation.qemu.options = [ "-device virtio-vga" ];
};
# Use a dummy hardware config for VM
@@ -114,16 +114,52 @@
./modules/system
./modules/system/hardware.nix
home-manager.nixosModules.home-manager
{
({ pkgs, ... }: {
system.stateVersion = "25.11";
networking.hostName = "nomarchy";
home-manager.extraSpecialArgs = { inherit inputs; };
# Diagnostic service to debug the black screen inside the VM
systemd.services.nomarchy-diag = {
description = "Nomarchy VM Diagnostics";
wantedBy = [ "multi-user.target" ];
after = [ "display-manager.service" ];
serviceConfig = {
Type = "oneshot";
StandardOutput = "tty";
StandardError = "tty";
TTYPath = "/dev/ttyS0";
ExecStart = pkgs.writeScript "diag.sh" ''
#!${pkgs.bash}/bin/bash
echo "--- NOMARCHY VM DIAGNOSTICS START ---"
echo "SDDM Helper Logs:"
${pkgs.systemd}/bin/journalctl -t sddm-helper --no-pager -n 50
echo "User (nomarchy) Environment:"
${pkgs.sudo}/bin/sudo -u nomarchy env | grep -E "XDG|DISPLAY|WAYLAND"
echo "User (nomarchy) Systemd Status:"
${pkgs.sudo}/bin/sudo -u nomarchy ${pkgs.systemd}/bin/systemctl --user status || echo "User systemd not running"
echo "User (nomarchy) Journal Logs:"
${pkgs.sudo}/bin/sudo -u nomarchy ${pkgs.systemd}/bin/journalctl --user --no-pager -n 100
echo "Hyprland Binary Check:"
ls -l /run/current-system/sw/bin/Hyprland || echo "Hyprland binary NOT FOUND in sw/bin"
echo "Hyprland Crash Dumps:"
${pkgs.coreutils}/bin/ls -l /home/nomarchy/.cache/hyprland/ || echo "No crash dumps found"
echo "--- NOMARCHY VM DIAGNOSTICS END ---"
'';
};
};
# VM specific settings
virtualisation.vmVariant = {
virtualisation.memorySize = 4096;
virtualisation.memorySize = 8192;
virtualisation.cores = 4;
virtualisation.graphics = true;
virtualisation.qemu.options = [ "-vga virtio" "-serial mon:stdio" ];
virtualisation.qemu.options = [ "-device virtio-vga" "-serial mon:stdio" ];
};
# Use a dummy hardware config for VM
@@ -137,10 +173,18 @@
# Setup default user for testing
users.users.nomarchy = {
isNormalUser = true;
extraGroups = [ "wheel" "video" "render" ];
extraGroups = [ "wheel" "video" "render" "networkmanager" ];
initialPassword = "nixos";
};
environment.systemPackages = [ pkgs.sudo ];
# Enable passwordless sudo for the test user
security.sudo.wheelNeedsPassword = false;
# Autologin on the serial console for debugging
services.getty.autologinUser = "nomarchy";
services.displayManager.autoLogin.enable = true;
services.displayManager.autoLogin.user = "nomarchy";
@@ -152,7 +196,7 @@
home.homeDirectory = "/home/nomarchy";
home.stateVersion = "25.11";
};
}
})
];
};
};