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libvirtd: KVM stack on FredOS-Gaming for Win11 guest

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Adds libvirtd + virt-manager + OVMFFull (UEFI w/ Secure Boot) + swtpm
(software TPM 2.0) so a Windows 11 VM can install. Brings in virtio-win
ISO for guest drivers and virt-viewer for SPICE console. Adds fred to
the libvirtd group.

Reason: the Dungeon Runners client-side mod (DSOUND.dll inline-hook
trampolines + memory scanner) crashes wine with a guard-page violation
on init regardless of Proton vintage; the only realistic path for
character progression is to run the client on real Windows.

Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>
This commit is contained in:
ediblerope 2026-05-07 12:00:22 +01:00
parent 0230592137
commit db69615506
2 changed files with 30 additions and 0 deletions
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29
services/libvirtd.nix Normal file
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{ config, pkgs, lib, ... }:
{
config = lib.mkIf (config.networking.hostName == "FredOS-Gaming") {
# KVM-based VM stack for running a Windows guest (mainly: the DR client
# mod is wine-incompatible and has to run on real Windows). virt-manager
# is the GUI; OVMFFull provides UEFI firmware with the Secure Boot bits
# Win11 needs, and swtpm gives the guest a software TPM 2.0 to satisfy
# Win11's install check.
virtualisation.libvirtd = {
enable = true;
qemu = {
swtpm.enable = true;
ovmf = {
enable = true;
packages = [ pkgs.OVMFFull.fd ];
};
};
};
programs.virt-manager.enable = true;
users.users.fred.extraGroups = [ "libvirtd" ];
environment.systemPackages = with pkgs; [
virt-viewer
virtio-win
];
};
}