sd-image-aarch64: Increase CMA memory so RPi3 virtual console works again

7 years ago · c8e7aab0c8
parent b19fa00e3e
commit c8e7aab0c8
1 changed files with 2 additions and 1 deletions
--- a/nixos/modules/installer/cd-dvd/sd-image-aarch64.nix
+++ b/nixos/modules/installer/cd-dvd/sd-image-aarch64.nix
@ -27,7 +27,8 @@ in
  boot.loader.generic-extlinux-compatible.enable = true;

  boot.kernelPackages = pkgs.linuxPackages_latest;
-  boot.kernelParams = ["console=ttyS0,115200n8" "console=tty0"];
+  # Increase the amount of CMA to ensure the virtual console on the RPi3 works.
+  boot.kernelParams = ["cma=32M" "console=ttyS0,115200n8" "console=tty0"];
  boot.consoleLogLevel = 7;

  # FIXME: this probably should be in installation-device.nix