$ ./configure --with-pydebug --disable-gil$ make$ ./python -m test test_opcache --forever -v

FAIL: test_load_global_module (test.test_opcache.TestRacesDoNotCrash.test_load_global_module)----------------------------------------------------------------------Traceback (most recent call last):  File "/home/vstinner/python/main/Lib/test/test_opcache.py", line 1048, in test_load_global_module    self.assert_races_do_not_crash(    ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^        opname, get_items, read, write, check_items=True        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^    )    ^  File "/home/vstinner/python/main/Lib/test/test_opcache.py", line 590, in assert_races_do_not_crash    self.assert_specialized(item, opname)    ~~~~~~~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^  File "/home/vstinner/python/main/Lib/test/test_opcache.py", line 23, in assert_specialized    self.assertIn(opname, opnames)    ~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^AssertionError: 'LOAD_GLOBAL_MODULE' not found in {'LOAD_GLOBAL', 'RESUME_CHECK', 'RETURN_VALUE'}

test_load_attr_method_with_values (test.test_opcache.TestRacesDoNotCrash.test_load_attr_method_with_values) ...Fatal Python error: Segmentation fault<Cannot show all threads while the GIL is disabled>Stack (most recent call first):  File "/home/vstinner/python/main/Lib/test/test_opcache.py", line 913 in write  File "/home/vstinner/python/main/Lib/threading.py", line 1021 in run  File "/home/vstinner/python/main/Lib/threading.py", line 1079 in _bootstrap_inner  File "/home/vstinner/python/main/Lib/threading.py", line 1041 in _bootstrapCurrent thread's C stack trace (most recent call first):  Binary file "./python", at _Py_DumpStack+0x31 [0x6715c7]  Binary file "./python" [0x684547]  Binary file "./python" [0x6847bd]  Binary file "/lib64/libc.so.6", at +0x19df0 [0x7f95d056bdf0]  Binary file "./python", at _Py_Dealloc+0x18 [0x4e7a28]  Binary file "./python", at _Py_MergeZeroLocalRefcount+0x58 [0x4e7b3e]  Binary file "./python" [0x50f410]  Binary file "./python" [0x51db0a]  Binary file "./python", at _PyObject_GenericSetAttrWithDict+0xa3 [0x4e9e77]  Binary file "./python", at PyObject_GenericSetAttr+0xe [0x4ea0dd]  Binary file "./python", at PyObject_SetAttr+0x60 [0x4e8f5f]  Binary file "./python", at PyObject_DelAttr+0xe [0x4e92fb]  Binary file "./python", at _PyEval_EvalFrameDefault+0xed7b [0x5ce860]  (...)  <truncated rest of calls>Extension modules: _testinternalcapi (total: 1)