2 files changed, 9 insertions, 2 deletions
diff --git a/synapse/config/logger.py b/synapse/config/logger.py
index f9568ebd21..63c8e36930 100644
--- a/synapse/config/logger.py
+++ b/synapse/config/logger.py
@@ -18,6 +18,7 @@ from synapse.util.logcontext import LoggingContextFilter
 from twisted.python.log import PythonLoggingObserver
 import logging
 import logging.config
+import yaml
 
 
 class LoggingConfig(Config):
@@ -79,7 +80,8 @@ class LoggingConfig(Config):
             logger.addHandler(handler)
             logger.info("Test")
         else:
-            logging.config.fileConfig(self.log_config)
+            with open(self.log_config, 'r') as f:
+                logging.config.dictConfig(yaml.load(f))
 
         observer = PythonLoggingObserver()
         observer.start()
diff --git a/synapse/handlers/federation.py b/synapse/handlers/federation.py
index b13b7c7701..0f9c82fd06 100644
--- a/synapse/handlers/federation.py
+++ b/synapse/handlers/federation.py
@@ -860,9 +860,14 @@ class FederationHandler(BaseHandler):
             # Only do auth resolution if we have something new to say.
             # We can't rove an auth failure.
             do_resolution = False
+
+            provable = [
+                RejectedReason.NOT_ANCESTOR, RejectedReason.NOT_ANCESTOR,
+            ]
+
             for e_id in different_auth:
                 if e_id in have_events:
-                    if have_events[e_id] != RejectedReason.AUTH_ERROR:
+                    if have_events[e_id] in provable:
                         do_resolution = True
                         break