diff --git a/xwords4/android/app/src/main/java/org/eehouse/android/xw4/BoardDelegate.kt b/xwords4/android/app/src/main/java/org/eehouse/android/xw4/BoardDelegate.kt
index 743acdb89..b2fe07c42 100644
--- a/xwords4/android/app/src/main/java/org/eehouse/android/xw4/BoardDelegate.kt
+++ b/xwords4/android/app/src/main/java/org/eehouse/android/xw4/BoardDelegate.kt
@@ -552,11 +552,13 @@ class BoardDelegate(delegator: Delegator) :
     }
 
     override fun onDestroy() {
+        Log.d( TAG, "onDestroy()" )
         closeIfFinishing(true)
         releaseThreadOnce()
         GamesListDelegate.boardDestroyed(mRowid)
         noteClosed(mRowid)
         super.onDestroy()
+        Log.d( TAG, "onDestroy() DONE" )
     }
 
     @Throws(Throwable::class)
diff --git a/xwords4/android/jni/xwjni.c b/xwords4/android/jni/xwjni.c
index 17a112722..7fe6733a8 100644
--- a/xwords4/android/jni/xwjni.c
+++ b/xwords4/android/jni/xwjni.c
@@ -238,8 +238,11 @@ map_remove_prv( EnvThreadInfo* ti, JNIEnv* env, const char* caller )
         found = env == entry->env;
         if ( found ) {
             if ( pthread_self() != entry->owner ) {
-                XP_LOGFF( "mismatch; called from %s", caller );
-                XP_ASSERT(0);
+                XP_LOGFF( "mismatch; called from %s (but mapped by %s()?",
+                          caller, entry->ownerFunc );
+                /* XP_ASSERT(0);*/   /* <-- Is this causing ANRs? Does NOT
+                   show up as an assert sometimes anyway, though it does kill
+                   the thread. */
             }
 # ifdef LOG_MAPPING
             RAW_LOG( "UNMAPPED env %p to thread %x (called from %s(); mapped by %s)",
@@ -247,7 +250,9 @@ map_remove_prv( EnvThreadInfo* ti, JNIEnv* env, const char* caller )
             RAW_LOG( "%d entries left", countUsed( ti ) );
             entry->ownerFunc = NULL;
 # endif
-            XP_ASSERT( 1 == entry->refcount );
+            if ( 1 != entry->refcount ) {
+                XP_LOGFF( "ERROR: refcount %d, not 1", entry->refcount );
+            }
             --entry->refcount;
             entry->env = NULL;
             entry->owner = 0;