diff --git a/nixos/tests/boot.nix b/nixos/tests/boot.nix
index 9945a1dcd62f..cf5565667131 100644
--- a/nixos/tests/boot.nix
+++ b/nixos/tests/boot.nix
@@ -12,12 +12,22 @@ let
   iso =
     (import ../lib/eval-config.nix {
       inherit system;
-      modules =
-        [ ../modules/installer/cd-dvd/installation-cd-minimal.nix
-          ../modules/testing/test-instrumentation.nix
-        ];
+      modules = [
+        ../modules/installer/cd-dvd/installation-cd-minimal.nix
+        ../modules/testing/test-instrumentation.nix
+      ];
     }).config.system.build.isoImage;
 
+  sd =
+    (import ../lib/eval-config.nix {
+      inherit system;
+      modules = [
+        ../modules/installer/sd-card/sd-image-x86_64.nix
+        ../modules/testing/test-instrumentation.nix
+        { sdImage.compressImage = false; }
+      ];
+    }).config.system.build.sdImage;
+
   pythonDict = params: "\n    {\n        ${concatStringsSep ",\n        " (mapAttrsToList (name: param: "\"${name}\": \"${param}\"") params)},\n    }\n";
 
   makeBootTest = name: extraConfig:
@@ -110,4 +120,30 @@ in {
     };
 
     biosNetboot = makeNetbootTest "bios" {};
+
+    ubootExtlinux = let
+      sdImage = "${sd}/sd-image/${sd.imageName}";
+      mutableImage = "/tmp/linked-image.qcow2";
+
+      machineConfig = pythonDict {
+        bios = "${pkgs.ubootQemuX86}/u-boot.rom";
+        qemuFlags = "-m 768 -machine type=pc,accel=tcg -drive file=${mutableImage},if=ide,format=qcow2";
+      };
+    in makeTest {
+      name = "boot-uboot-extlinux";
+      nodes = { };
+      testScript = ''
+        import os
+
+        # Create a mutable linked image backed by the read-only SD image
+        if os.system("qemu-img create -f qcow2 -F raw -b ${sdImage} ${mutableImage}") != 0:
+            raise RuntimeError("Could not create mutable linked image")
+
+        machine = create_machine(${machineConfig})
+        machine.start()
+        machine.wait_for_unit("multi-user.target")
+        machine.succeed("nix store verify -r --no-trust --option experimental-features nix-command /run/current-system")
+        machine.shutdown()
+      '';
+    };
 }