NixOS on ARM/Raspberry Pi 3: Difference between revisions

@@ Line 168: / Line 168: @@
 ===WiFi / WLAN===
 For a possible solution to 802.11 wireless connectivity issues, see: https://github.com/NixOS/nixpkgs/issues/82462#issuecomment-604634627
+In case <code>wlan0</code> is missing, try overlaying an older <code>firmwareLinuxNonfree</code> confirmed to be working:
+{{file|/etc/nixos/configuration.nix|nix|<nowiki>
+{ config, pkgs, lib, ... }:
+{
+  nixpkgs.overlays = [
+    (self: super: {
+      firmwareLinuxNonfree = super.firmwareLinuxNonfree.overrideAttrs (old: {
+        version = "2020-12-18";
+        src = pkgs.fetchgit {
+          url =
+            "https://git.kernel.org/pub/scm/linux/kernel/git/firmware/linux-firmware.git";
+          rev = "b79d2396bc630bfd9b4058459d3e82d7c3428599";
+          sha256 = "1rb5b3fzxk5bi6kfqp76q1qszivi0v1kdz1cwj2llp5sd9ns03b5";
+        };
+        outputHash = "1p7vn2hfwca6w69jhw5zq70w44ji8mdnibm1z959aalax6ndy146";
+      });
+    })
+  ];
+}
+</nowiki>}}
 ===HDMI===