--- a/server/session.py	Fri Mar 26 15:54:35 2010 +0100
+++ b/server/session.py	Fri Mar 26 16:13:27 2010 +0100
@@ -553,7 +553,7 @@
     def _touch(self):
         """update latest session usage timestamp and reset mode to read"""
         self.timestamp = time()
-        self.local_perm_cache.clear()
+        self.local_perm_cache.clear() # XXX simply move in transaction_data, no?
         self._threaddata.mode = self.default_mode
 
     # shared data handling ###################################################