diff --git a/quickstep/src/com/android/quickstep/TaskSystemShortcut.java b/quickstep/src/com/android/quickstep/TaskSystemShortcut.java
index a82c679..7c69a8d 100644
--- a/quickstep/src/com/android/quickstep/TaskSystemShortcut.java
+++ b/quickstep/src/com/android/quickstep/TaskSystemShortcut.java
@@ -202,6 +202,8 @@
 
     public static class Pin extends TaskSystemShortcut {
 
+        private static final String TAG = Pin.class.getSimpleName();
+
         private Handler mHandler;
 
         public Pin() {
@@ -231,6 +233,8 @@
                         } catch (RemoteException e) {
                             Log.w(TAG, "Failed to start screen pinning: ", e);
                         }
+                    } else {
+                        Log.w(TAG, taskView.getLaunchTaskFailedMsg());
                     }
                 };
                 taskView.launchTask(true, resultCallback, mHandler);
diff --git a/quickstep/src/com/android/quickstep/views/RecentsView.java b/quickstep/src/com/android/quickstep/views/RecentsView.java
index 9ab1e04..5fff51c 100644
--- a/quickstep/src/com/android/quickstep/views/RecentsView.java
+++ b/quickstep/src/com/android/quickstep/views/RecentsView.java
@@ -41,6 +41,7 @@
 import android.util.ArraySet;
 import android.util.AttributeSet;
 import android.util.FloatProperty;
+import android.util.Log;
 import android.util.SparseBooleanArray;
 import android.view.KeyEvent;
 import android.view.LayoutInflater;
@@ -85,6 +86,8 @@
 @TargetApi(Build.VERSION_CODES.P)
 public abstract class RecentsView<T extends BaseActivity> extends PagedView implements Insettable {
 
+    private static final String TAG = RecentsView.class.getSimpleName();
+
     public static final boolean DEBUG_SHOW_CLEAR_ALL_BUTTON = false;
 
     private final Rect mTempRect = new Rect();
@@ -1156,10 +1159,13 @@
         anim.play(drawableAnim);
         anim.setDuration(duration);
 
-        Consumer<Boolean> onTaskLaunchFinish = (r) -> {
-            onTaskLaunched(r);
+        Consumer<Boolean> onTaskLaunchFinish = (result) -> {
+            onTaskLaunched(result);
             tv.setVisibility(VISIBLE);
             getOverlay().remove(drawable);
+            if (!result) {
+                Log.w(TAG, tv.getLaunchTaskFailedMsg());
+            }
         };
 
         mPendingAnimation = new PendingAnimation(anim);
diff --git a/quickstep/src/com/android/quickstep/views/TaskView.java b/quickstep/src/com/android/quickstep/views/TaskView.java
index 8c1076a..a9b24e5 100644
--- a/quickstep/src/com/android/quickstep/views/TaskView.java
+++ b/quickstep/src/com/android/quickstep/views/TaskView.java
@@ -30,6 +30,7 @@
 import android.os.Bundle;
 import android.os.Handler;
 import android.util.AttributeSet;
+import android.util.Log;
 import android.view.View;
 import android.view.ViewOutlineProvider;
 import android.view.accessibility.AccessibilityNodeInfo;
@@ -59,6 +60,8 @@
  */
 public class TaskView extends FrameLayout implements TaskCallbacks, PageCallbacks {
 
+    private static final String TAG = TaskView.class.getSimpleName();
+
     /** A curve of x from 0 to 1, where 0 is the center of the screen and 1 is the edge. */
     private static final TimeInterpolator CURVE_INTERPOLATOR
             = x -> (float) -Math.cos(x * Math.PI) / 2f + .5f;
@@ -136,7 +139,11 @@
     }
 
     public void launchTask(boolean animate) {
-        launchTask(animate, null, null);
+        launchTask(animate, (result) -> {
+            if (!result) {
+                Log.w(TAG, getLaunchTaskFailedMsg());
+            }
+        }, getHandler());
     }
 
     public void launchTask(boolean animate, Consumer<Boolean> resultCallback,
@@ -317,4 +324,12 @@
 
         return super.performAccessibilityAction(action, arguments);
     }
+
+    public String getLaunchTaskFailedMsg() {
+        String msg = "Failed to launch task";
+        if (mTask != null) {
+            msg += " (task=" + mTask.key.baseIntent + " userId=" + mTask.key.userId + ")";
+        }
+        return msg;
+    }
 }