diff -r c1aede895072 -r f10019d2ee0a mercurial/exchange.py
--- a/mercurial/exchange.py	Fri Oct 17 15:25:32 2014 -0700
+++ b/mercurial/exchange.py	Fri Oct 17 02:17:36 2014 -0700
@@ -841,7 +841,10 @@
             repo.hook('b2x-pretransactionclose', throw=True, pending=p,
                       **self._tr.hookargs)
             self._tr.close()
-            repo.hook('b2x-transactionclose', **self._tr.hookargs)
+            hookargs = dict(self._tr.hookargs)
+            def runhooks():
+                repo.hook('b2x-transactionclose', **hookargs)
+            repo._afterlock(runhooks)
 
     def releasetransaction(self):
         """release transaction if created"""
@@ -1247,7 +1250,10 @@
                 repo.hook('b2x-pretransactionclose', throw=True, pending=p,
                           **tr.hookargs)
                 tr.close()
-                repo.hook('b2x-transactionclose', **tr.hookargs)
+                hookargs = dict(tr.hookargs)
+                def runhooks():
+                    repo.hook('b2x-transactionclose', **hookargs)
+                repo._afterlock(runhooks)
             except Exception, exc:
                 exc.duringunbundle2 = True
                 raise