[Python-Dev] Meaty debugging mystery (original) (raw)

Tim Peters tim.one@comcast.net
Sun, 29 Jun 2003 22:38:44 -0400

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Neil Schemenauer was running regrtest with -r and got a segfault. He whittled it down to running just

-u bsddb test_logging test_bsddb3

This was confirmed on Win2K, Win98, and some version of Linux. He also discovered that the problem went away if test_logging.py's

locale.setlocale(locale.LC_ALL, '')

was commented out.

I've since found that the problem persists if

• All the suite.addTest() calls in bsddb/test/test_basics.py are commented out except for

  suite.addTest(unittest.makeSuite(BTreeMultiDBTestCase))

and

• All the entries in test_bsddb3.py's test_modules list are commented out except for

    'test_basics',

Then running yields this output:

test_bsddb3 test01_GetsAndPuts (bsddb.test.test_basics.BTreeMultiDBTestCase) ... ok test02_DictionaryMethods (bsddb.test.test_basics.BTreeMultiDBTestCase) ... ok test03_SimpleCursorStuff (bsddb.test.test_basics.BTreeMultiDBTestCase) ... ok test04_PartialGetAndPut (bsddb.test.test_basics.BTreeMultiDBTestCase) ... ok test05_GetSize (bsddb.test.test_basics.BTreeMultiDBTestCase) ... ok test06_Truncate (bsddb.test.test_basics.BTreeMultiDBTestCase) ... ok test09_MultiDB (bsddb.test.test_basics.BTreeMultiDBTestCase) ... FAIL

and that's when the crash happens.

I don't have time to dig into this more. Looks like a good one, though!

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