From 785919121066a10b291d783b6903b5e368e992a8 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Ludovic=20Court=C3=A8s?= <ludo@gnu.org>
Date: Sat, 20 Apr 2019 11:43:23 +0200
Subject: [PATCH] install: Pass "modprobe.blacklist=radeon".

* gnu/system/install.scm (installation-os)[kernel-arguments]: New field.
---
 gnu/system/install.scm | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/gnu/system/install.scm b/gnu/system/install.scm
index d887313132..80b7fe8e69 100644
--- a/gnu/system/install.scm
+++ b/gnu/system/install.scm
@@ -427,6 +427,12 @@ Access documentation at any time by pressing Alt-F2.\x1b[0m
     (label (string-append "GNU Guix installation "
                           (package-version guix)))
 
+    ;; XXX: The AMD Radeon driver is reportedly broken, which makes kmscon
+    ;; non-functional:
+    ;; <https://lists.gnu.org/archive/html/guix-devel/2019-03/msg00441.html>.
+    ;; Thus, blacklist it.
+    (kernel-arguments '("modprobe.blacklist=radeon"))
+
     (file-systems
      ;; Note: the disk image build code overrides this root file system with
      ;; the appropriate one.