From 47f638403e3d12fef9a8c259cce4f2b5f5ff2402 Mon Sep 17 00:00:00 2001
From: Victor Freire <victor@freire.dev.br>
Date: Wed, 17 Nov 2021 16:08:38 -0300
Subject: nixos/xmrig: add kernel module msr

---
 nixos/modules/services/misc/xmrig.nix | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

(limited to 'nixos')

diff --git a/nixos/modules/services/misc/xmrig.nix b/nixos/modules/services/misc/xmrig.nix
index 4f0af8ca9f4e0..cf01bb119e894 100644
--- a/nixos/modules/services/misc/xmrig.nix
+++ b/nixos/modules/services/misc/xmrig.nix
@@ -51,6 +51,8 @@ with lib;
   };
 
   config = mkIf cfg.enable {
+    boot.kernelModules = [ "msr" ];
+
     systemd.services.xmrig = {
       wantedBy = [ "multi-user.target" ];
       after = [ "network.target" ];
@@ -58,7 +60,11 @@ with lib;
       serviceConfig = {
         ExecStartPre = "${cfg.package}/bin/xmrig --config=${configFile} --dry-run";
         ExecStart = "${cfg.package}/bin/xmrig --config=${configFile}";
-        DynamicUser = true;
+        # https://xmrig.com/docs/miner/randomx-optimization-guide/msr
+        # If you use recent XMRig with root privileges (Linux) or admin
+        # privileges (Windows) the miner configure all MSR registers
+        # automatically.
+        DynamicUser = lib.mkDefault false;
       };
     };
   };
-- 
cgit 1.4.1