diff --git a/misc/.cppcheck-supp b/misc/.cppcheck-supp
index 27a77986..0973d40e 100644
--- a/misc/.cppcheck-supp
+++ b/misc/.cppcheck-supp
@@ -1,10 +1,14 @@
+*:include/rapidjson/itoa.h:141
+*:include/rapidjson/itoa.h:216
 *:include/llvm/SmallVector.h:55
 *:include/llvm/SmallVector.h:88
 *:include/llvm/SmallVector.h:134
 *:include/llvm/SmallVector.h:162
+*:include/llvm/SmallVector.h:164
 *:include/llvm/SmallVector.h:214
 *:include/llvm/SmallVector.h:515
 *:include/llvm/SmallVector.h:516
+*:include/llvm/SmallVector.h:546
 *:include/llvm/SmallVector.h:715
 *:include/llvm/SmallVector.h:718
 *:include/llvm/SmallVector.h:726
diff --git a/tests/shabby/reconnect_delay.py b/tests/shabby/reconnect_delay.py
index e85c109e..3d56bff1 100644
--- a/tests/shabby/reconnect_delay.py
+++ b/tests/shabby/reconnect_delay.py
@@ -44,6 +44,12 @@ def test_hard_server_error():
 
     assert mc.set('foo', 1)
     memcached_server_ctl('stop', normal_port)
+
+    # I dont know why,
+    # but the server is still connectable after stop.
+    # add a sleep to wait for the server quit
+    time.sleep(3)
+
     assert not mc.set('foo', 1)  # fail
     memcached_server_ctl('start', normal_port)
     assert not mc.set('foo', 1)  # still fail
diff --git a/tests/test_cmemcached_regression.py b/tests/test_cmemcached_regression.py
index 039a1fbc..908f0978 100644
--- a/tests/test_cmemcached_regression.py
+++ b/tests/test_cmemcached_regression.py
@@ -39,6 +39,9 @@ class NoPickle(object):
     def __getattr__(self, name):
         pass
 
+    def __getstate__(self):
+        raise Exception('can not be pickled')
+
 
 class CmemcachedRegressionCase(unittest.TestCase):