diff --git a/services/core/java/com/android/server/wm/ActivityRecord.java b/services/core/java/com/android/server/wm/ActivityRecord.java
index c5a2ecc0b997a..e1ef3e4c2900e 100644
--- a/services/core/java/com/android/server/wm/ActivityRecord.java
+++ b/services/core/java/com/android/server/wm/ActivityRecord.java
@@ -1310,6 +1310,7 @@ final class ActivityRecord extends WindowToken implements WindowManagerService.A
                     TopResumedActivityChangeItem.obtain(onTop));
         } catch (RemoteException e) {
             // If process died, whatever.
+            Slog.w(TAG, "Failed to send top-resumed=" + onTop + " to " + this, e);
             return false;
         }
         return true;