--- a/mobile/android/base/java/org/mozilla/gecko/GeckoApp.java
+++ b/mobile/android/base/java/org/mozilla/gecko/GeckoApp.java
@@ -1529,16 +1529,17 @@ public abstract class GeckoApp
 
         initializeChrome();
 
         // If we are doing a restore, send the parsed session data to Gecko.
         try {
             // We need to wait here
             // a) for the session restore string itself and
             // b) because mShouldRestore can revert back to false if a parsing error occurs.
+            Log.d(LOGTAG, "Session data processing outstanding: " + mSessionRestoreParsingFinished.getCount());
             mSessionRestoreParsingFinished.await();
         } catch (InterruptedException e) {
             Log.e(LOGTAG, "Wait for session restore message interrupted: ", e);
         }
         if (!mIsRestoringActivity) {
             GeckoAppShell.notifyObservers("Session:Restore", mRestoreMessage);
         }
 

--- a/mobile/android/base/java/org/mozilla/gecko/GeckoProfile.java
+++ b/mobile/android/base/java/org/mozilla/gecko/GeckoProfile.java
@@ -786,16 +786,17 @@ public final class GeckoProfile {
                     System.currentTimeMillis() - sessionFileBackup.lastModified() > MAX_BACKUP_FILE_AGE) {
                 sessionFileBackup.delete();
             }
         }
         mOldSessionDataProcessed.countDown();
     }
 
     public void waitForOldSessionDataProcessing() {
+        Log.d(LOGTAG, "Session data processing outstanding: " + mOldSessionDataProcessed.getCount());
         try {
             mOldSessionDataProcessed.await();
         } catch (InterruptedException e) {
             Log.e(LOGTAG, "Wait for session data update interrupted: ", e);
         }
     }
 
     /**