Hi, I am working on the 2.12.0a2 release. I get test failures on my Linux box (OpenSuse 10.3/64 bit, fresh Python 2.6.2 installation): ---------------------------------------------------------------------- File "/home/ajung/.buildout/eggs/Acquisition-2.12.1-py2.6-linux-x86_64.egg/Acquisition/tests.py", line 1732, in Acquisition.tests.test_proxying Failed example: list(i.c) Exception raised: Traceback (most recent call last): File "/home/ajung/.buildout/eggs/zope.testing-3.7.1-py2.6.egg/zope/testing/doctest.py", line 1356, in __run compileflags, 1) in test.globs File "<doctest Acquisition.tests.test_proxying[11]>", line 1, in <module> list(i.c) MemoryError ---------------------------------------------------------------------- File "/home/ajung/.buildout/eggs/Acquisition-2.12.1-py2.6-linux-x86_64.egg/Acquisition/tests.py", line 1781, in Acquisition.tests.test_proxying Failed example: list(i.c) Exception raised: Traceback (most recent call last): File "/home/ajung/.buildout/eggs/zope.testing-3.7.1-py2.6.egg/zope/testing/doctest.py", line 1356, in __run compileflags, 1) in test.globs File "<doctest Acquisition.tests.test_proxying[23]>", line 1, in <module> list(i.c) MemoryError ---------------------------------------------------------------------- File "/home/ajung/.buildout/eggs/ExtensionClass-2.11.1-py2.6-linux-x86_64.egg/ExtensionClass/tests.py", line 419, in ExtensionClass.tests.test_pickling_w_slots_w_empty_dict Failed example: pickle.loads(pickle.dumps(x, 0)) == x Expected: 1 Got: False ---------------------------------------------------------------------- File "/home/ajung/.buildout/eggs/ExtensionClass-2.11.1-py2.6-linux-x86_64.egg/ExtensionClass/tests.py", line 421, in ExtensionClass.tests.test_pickling_w_slots_w_empty_dict Failed example: pickle.loads(pickle.dumps(x, 1)) == x Expected: 1 Got: False ---------------------------------------------------------------------- File "/home/ajung/.buildout/eggs/ExtensionClass-2.11.1-py2.6-linux-x86_64.egg/ExtensionClass/tests.py", line 423, in ExtensionClass.tests.test_pickling_w_slots_w_empty_dict Failed example: pickle.loads(pickle.dumps(x, 2)) == x Expected: 1 Got: False However I have no failures on MacOSX. WTF? Andreas