diff -up Python-2.7.2/Lib/ctypes/test/test_callbacks.py.skip-test_ctypes-known-failure-on-sparc Python-2.7.2/Lib/ctypes/test/test_callbacks.py
--- Python-2.7.2/Lib/ctypes/test/test_callbacks.py.skip-test_ctypes-known-failure-on-sparc	2011-09-08 19:42:35.541951490 -0400
+++ Python-2.7.2/Lib/ctypes/test/test_callbacks.py	2011-09-08 19:43:40.676947036 -0400
@@ -67,6 +67,7 @@ class Callbacks(unittest.TestCase):
         self.check_type(c_longlong, 42)
         self.check_type(c_longlong, -42)
 
+    @unittest.skip('Known failure on Sparc: http://bugs.python.org/issue8314')
     def test_ulonglong(self):
         # test some 64-bit values, with and without msb set.
         self.check_type(c_ulonglong, 10955412242170339782)
