diff --git a/test/911-get-stack-trace/src/OtherThread.java b/test/911-get-stack-trace/src/OtherThread.java
new file mode 100644
index 0000000..0748433
--- /dev/null
+++ b/test/911-get-stack-trace/src/OtherThread.java
@@ -0,0 +1,82 @@
+/*
+ * Copyright (C) 2016 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+public class OtherThread {
+  public static void doTestOtherThreadWait() throws Exception {
+    System.out.println("################################");
+    System.out.println("### Other thread (suspended) ###");
+    System.out.println("################################");
+    final ControlData data = new ControlData();
+    data.waitFor = new Object();
+    Thread t = new Thread() {
+      public void run() {
+        Recurse.foo(4, 0, 0, data);
+      }
+    };
+    t.start();
+    data.reached.await();
+    Thread.yield();
+    Thread.sleep(500);  // A little bit of time...
+
+    System.out.println("From top");
+    PrintThread.print(t, 0, 25);
+    PrintThread.print(t, 1, 25);
+    PrintThread.print(t, 0, 5);
+    PrintThread.print(t, 2, 5);
+
+    System.out.println("From bottom");
+    PrintThread.print(t, -1, 25);
+    PrintThread.print(t, -5, 5);
+    PrintThread.print(t, -7, 5);
+
+    // Let the thread make progress and die.
+    synchronized(data.waitFor) {
+      data.waitFor.notifyAll();
+    }
+    t.join();
+  }
+
+  public static void doTestOtherThreadBusyLoop() throws Exception {
+    System.out.println("###########################");
+    System.out.println("### Other thread (live) ###");
+    System.out.println("###########################");
+    final ControlData data = new ControlData();
+    Thread t = new Thread() {
+      public void run() {
+        Recurse.foo(4, 0, 0, data);
+      }
+    };
+    t.start();
+    data.reached.await();
+    Thread.yield();
+    Thread.sleep(500);  // A little bit of time...
+
+    System.out.println("From top");
+    PrintThread.print(t, 0, 25);
+    PrintThread.print(t, 1, 25);
+    PrintThread.print(t, 0, 5);
+    PrintThread.print(t, 2, 5);
+
+    System.out.println("From bottom");
+    PrintThread.print(t, -1, 25);
+    PrintThread.print(t, -5, 5);
+    PrintThread.print(t, -7, 5);
+
+    // Let the thread stop looping and die.
+    data.stop = true;
+    t.join();
+  }
+}