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-rw-r--r--nixos/modules/installer/cd-dvd/iso-image.nix8
1 files changed, 8 insertions, 0 deletions
diff --git a/nixos/modules/installer/cd-dvd/iso-image.nix b/nixos/modules/installer/cd-dvd/iso-image.nix
index 93c8ebaa249..d62db084458 100644
--- a/nixos/modules/installer/cd-dvd/iso-image.nix
+++ b/nixos/modules/installer/cd-dvd/iso-image.nix
@@ -284,6 +284,14 @@ let
         ${buildMenuAdditionalParamsGrub2 config "video=1920x1080@60"}
       }
 
+      # If we boot into a graphical environment where X is autoran
+      # and always crashes, it makes the media unusable. Allow the user
+      # to disable this.
+      submenu "Disable display-manager" --class quirk-disable-displaymanager {
+        ${grubMenuCfg}
+        ${buildMenuAdditionalParamsGrub2 config "systemd.mask=display-manager.service"}
+      }
+
       # Some laptop and convertibles have the panel installed in an
       # inconvenient way, rotated away from the keyboard.
       # Those entries makes it easier to use the installer.