1 files changed, 1 insertions, 0 deletions
diff --git a/synapse/handlers/federation.py b/synapse/handlers/federation.py
index 8c93d6d39f..1021bcc405 100644
--- a/synapse/handlers/federation.py
+++ b/synapse/handlers/federation.py
@@ -591,6 +591,7 @@ class FederationHandler(BaseHandler):
 
         event_ids = list(extremities.keys())
 
+        logger.info("calling resolve_state_groups in _maybe_backfill")
         states = yield preserve_context_over_deferred(defer.gatherResults([
             preserve_fn(self.state_handler.resolve_state_groups)(room_id, [e])
             for e in event_ids