From 05e8556bda31b3398e123876447a096ed519e268 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Torjus=20H=C3=A5kestad?= <torjus@usit.uio.no>
Date: Sun, 22 Feb 2026 18:27:05 +0100
Subject: [PATCH] pn02: blacklist amdgpu kernel module for stability testing

pn02 continues to hard freeze with no log evidence. Blacklisting
the GPU driver to eliminate GPU/PSP firmware interactions as a
possible cause. Console output will be lost but the host is
managed over SSH.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
---
 hosts/pn02/configuration.nix | 1 +
 1 file changed, 1 insertion(+)

diff --git a/hosts/pn02/configuration.nix b/hosts/pn02/configuration.nix
index 6408acf..71b4fc2 100644
--- a/hosts/pn02/configuration.nix
+++ b/hosts/pn02/configuration.nix
@@ -13,6 +13,7 @@
 
   boot.loader.systemd-boot.enable = true;
   boot.loader.efi.canTouchEfiVariables = true;
+  boot.blacklistedKernelModules = [ "amdgpu" ];
 
   networking.hostName = "pn02";
   networking.domain = "home.2rjus.net";