challenger: set kernel params to prevent cpu hissy fits

2025-01-16 21:51:00 +01:00 · 2025-01-16 21:51:00 +01:00 · 26f4174b0b
commit 26f4174b0b
parent f2230c6e70
1 changed files with 6 additions and 0 deletions
--- a/hosts/challenger/hardware-configuration.nix
+++ b/hosts/challenger/hardware-configuration.nix
@ -12,6 +12,12 @@
  boot.initrd.kernelModules = [ ];
  boot.kernelModules = [ "kvm-amd" ];
  boot.extraModulePackages = [ ];
+  boot.kernelParams = [
+    # https://wiki.gentoo.org/wiki/Ryzen#Ryzen_Threadripper
+    "processor.max_cstate=1"
+    "rcu_nocbs=0-11"
+    "idle=nomwait"
+  ];

  fileSystems."/" =
    { device = "/dev/disk/by-uuid/ea31d0ea-2949-420a-99ea-7f77c4b7091e";