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AMD64 Windows11 Bigmem 3.x: test_bigmem failed with !_Py_IsImmortal(FROM_GC(gc)) assertion error #115124

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@vstinner

Description

@vstinner

build: https://buildbot.python.org/all/#/builders/1079/builds/3327

Error after tests complete, when running gc_collect() C function:

Assertion failed: !_Py_IsImmortal(FROM_GC(gc)), file R:\buildarea\3.x.ambv-bb-win11.bigmem\build\Python\gc.c, line 476

Logs:

R:\buildarea\3.x.ambv-bb-win11.bigmem\build>"R:\buildarea\3.x.ambv-bb-win11.bigmem\build\PCbuild\amd64\python_d.exe"  -m test --fast-ci --slow-ci -M24g -uall --junit-xml test-results.xml -j4 --timeout 4800 
+ 'R:\buildarea\3.x.ambv-bb-win11.bigmem\build\PCbuild\amd64\python_d.exe' -u -W default -bb -E -m test --fast-ci --slow-ci -M24g -uall --junit-xml test-results.xml -j4 --timeout 4800 --dont-add-python-opts
== CPython 3.13.0a3+ (heads/main:bcccf1fb63, Feb 5 2024, 19:52:36) [MSC v.1936 64 bit (AMD64)]
== Windows-11-10.0.22631-SP0 little-endian
== Python build: debug
== cwd: R:\buildarea\3.x.ambv-bb-win11.bigmem\build\build\test_python_worker_3608�
== CPU count: 6
== encodings: locale=cp1252 FS=utf-8
== resources: all

(...)

1:43:02 load avg: 0.04 [2/2/2] test_bigmem worker non-zero exit code (Exit code 3)
Re-running test_bigmem in verbose mode
test_capitalize (test.test_bigmem.BytearrayTest.test_capitalize) ... ok
test_center (test.test_bigmem.BytearrayTest.test_center) ... ok
test_compare (test.test_bigmem.BytearrayTest.test_compare) ... ok
test_concat (test.test_bigmem.BytearrayTest.test_concat) ... ok
test_contains (test.test_bigmem.BytearrayTest.test_contains) ... ok
test_count (test.test_bigmem.BytearrayTest.test_count) ... ok
test_decode (test.test_bigmem.BytearrayTest.test_decode) ... ok
test_endswith (test.test_bigmem.BytearrayTest.test_endswith) ... ok
test_expandtabs (test.test_bigmem.BytearrayTest.test_expandtabs) ... ok
test_find (test.test_bigmem.BytearrayTest.test_find) ... ok
test_index (test.test_bigmem.BytearrayTest.test_index) ... ok
test_isalnum (test.test_bigmem.BytearrayTest.test_isalnum) ... ok
test_isalpha (test.test_bigmem.BytearrayTest.test_isalpha) ... ok
test_isdigit (test.test_bigmem.BytearrayTest.test_isdigit) ... ok
test_islower (test.test_bigmem.BytearrayTest.test_islower) ... ok
test_isspace (test.test_bigmem.BytearrayTest.test_isspace) ... ok
test_istitle (test.test_bigmem.BytearrayTest.test_istitle) ... ok
test_isupper (test.test_bigmem.BytearrayTest.test_isupper) ... ok
test_join (test.test_bigmem.BytearrayTest.test_join) ... ok
test_ljust (test.test_bigmem.BytearrayTest.test_ljust) ... ok
test_lower (test.test_bigmem.BytearrayTest.test_lower) ... ok
test_lstrip (test.test_bigmem.BytearrayTest.test_lstrip) ... ok
test_repeat (test.test_bigmem.BytearrayTest.test_repeat) ... ok
test_replace (test.test_bigmem.BytearrayTest.test_replace) ... ok
test_rfind (test.test_bigmem.BytearrayTest.test_rfind) ... ok
test_rindex (test.test_bigmem.BytearrayTest.test_rindex) ... ok
test_rjust (test.test_bigmem.BytearrayTest.test_rjust) ... ok
test_rstrip (test.test_bigmem.BytearrayTest.test_rstrip) ... ok
test_slice_and_getitem (test.test_bigmem.BytearrayTest.test_slice_and_getitem) ... ok
test_split_small (test.test_bigmem.BytearrayTest.test_split_small) ... ok
test_splitlines (test.test_bigmem.BytearrayTest.test_splitlines) ... ok
test_startswith (test.test_bigmem.BytearrayTest.test_startswith) ... ok
test_strip (test.test_bigmem.BytearrayTest.test_strip) ... ok
test_swapcase (test.test_bigmem.BytearrayTest.test_swapcase) ... ok
test_title (test.test_bigmem.BytearrayTest.test_title) ... ok
test_translate (test.test_bigmem.BytearrayTest.test_translate) ... ok
test_upper (test.test_bigmem.BytearrayTest.test_upper) ... ok
test_zfill (test.test_bigmem.BytearrayTest.test_zfill) ... ok
test_capitalize (test.test_bigmem.BytesTest.test_capitalize) ... ok
test_center (test.test_bigmem.BytesTest.test_center) ... ok
test_compare (test.test_bigmem.BytesTest.test_compare) ... ok
test_concat (test.test_bigmem.BytesTest.test_concat) ... ok
test_contains (test.test_bigmem.BytesTest.test_contains) ... ok
test_count (test.test_bigmem.BytesTest.test_count) ... ok
test_decode (test.test_bigmem.BytesTest.test_decode) ... ok
test_endswith (test.test_bigmem.BytesTest.test_endswith) ... ok
test_expandtabs (test.test_bigmem.BytesTest.test_expandtabs) ... ok
test_find (test.test_bigmem.BytesTest.test_find) ... ok
test_hash (test.test_bigmem.BytesTest.test_hash) ... ok
test_index (test.test_bigmem.BytesTest.test_index) ... ok
test_isalnum (test.test_bigmem.BytesTest.test_isalnum) ... ok
test_isalpha (test.test_bigmem.BytesTest.test_isalpha) ... ok
test_isdigit (test.test_bigmem.BytesTest.test_isdigit) ... ok
test_islower (test.test_bigmem.BytesTest.test_islower) ... ok
test_isspace (test.test_bigmem.BytesTest.test_isspace) ... ok
test_istitle (test.test_bigmem.BytesTest.test_istitle) ... ok
test_isupper (test.test_bigmem.BytesTest.test_isupper) ... ok
test_join (test.test_bigmem.BytesTest.test_join) ... ok
test_ljust (test.test_bigmem.BytesTest.test_ljust) ... ok
test_lower (test.test_bigmem.BytesTest.test_lower) ... ok
test_lstrip (test.test_bigmem.BytesTest.test_lstrip) ... ok
test_repeat (test.test_bigmem.BytesTest.test_repeat) ... ok
test_replace (test.test_bigmem.BytesTest.test_replace) ... ok
test_rfind (test.test_bigmem.BytesTest.test_rfind) ... ok
test_rindex (test.test_bigmem.BytesTest.test_rindex) ... ok
test_rjust (test.test_bigmem.BytesTest.test_rjust) ... ok
test_rstrip (test.test_bigmem.BytesTest.test_rstrip) ... ok
test_slice_and_getitem (test.test_bigmem.BytesTest.test_slice_and_getitem) ... ok
test_split_large (test.test_bigmem.BytesTest.test_split_large) ... ok
test_split_small (test.test_bigmem.BytesTest.test_split_small) ... ok
test_splitlines (test.test_bigmem.BytesTest.test_splitlines) ... ok
test_startswith (test.test_bigmem.BytesTest.test_startswith) ... ok
test_strip (test.test_bigmem.BytesTest.test_strip) ... ok
test_swapcase (test.test_bigmem.BytesTest.test_swapcase) ... ok
test_title (test.test_bigmem.BytesTest.test_title) ... ok
test_translate (test.test_bigmem.BytesTest.test_translate) ... ok
test_upper (test.test_bigmem.BytesTest.test_upper) ... ok
test_zfill (test.test_bigmem.BytesTest.test_zfill) ... ok
test_dict (test.test_bigmem.DictTest.test_dict) ... skipped 'not enough memory: 53.3G minimum needed'
test_append (test.test_bigmem.ListTest.test_append) ... ok
test_compare (test.test_bigmem.ListTest.test_compare) ... skipped 'not enough memory: 32.0G minimum needed'
test_concat_large (test.test_bigmem.ListTest.test_concat_large) ... skipped 'not enough memory: 48.0G minimum needed'
test_concat_small (test.test_bigmem.ListTest.test_concat_small) ... skipped 'not enough memory: 24.0G minimum needed'
test_contains (test.test_bigmem.ListTest.test_contains) ... ok
test_count (test.test_bigmem.ListTest.test_count) ... ok
test_extend_large (test.test_bigmem.ListTest.test_extend_large) ... skipped 'not enough memory: 36.0G minimum needed'
test_extend_small (test.test_bigmem.ListTest.test_extend_small) ... ok
test_hash (test.test_bigmem.ListTest.test_hash) ... ok
test_index (test.test_bigmem.ListTest.test_index) ... ok
test_index_and_slice (test.test_bigmem.ListTest.test_index_and_slice) ... ok
test_inplace_concat_large (test.test_bigmem.ListTest.test_inplace_concat_large) ... skipped 'not enough memory: 36.0G minimum needed'
test_inplace_concat_small (test.test_bigmem.ListTest.test_inplace_concat_small) ... ok
test_inplace_repeat_large (test.test_bigmem.ListTest.test_inplace_repeat_large) ... skipped 'not enough memory: 36.0G minimum needed'
test_inplace_repeat_small (test.test_bigmem.ListTest.test_inplace_repeat_small) ... ok
test_insert (test.test_bigmem.ListTest.test_insert) ... ok
test_pop (test.test_bigmem.ListTest.test_pop) ... ok
test_remove (test.test_bigmem.ListTest.test_remove) ... ok
test_repeat_large (test.test_bigmem.ListTest.test_repeat_large) ... skipped 'not enough memory: 48.0G minimum needed'
test_repeat_small (test.test_bigmem.ListTest.test_repeat_small) ... skipped 'not enough memory: 24.0G minimum needed'
test_repr_large (test.test_bigmem.ListTest.test_repr_large) ... skipped 'not enough memory: 30.0G minimum needed'
test_repr_small (test.test_bigmem.ListTest.test_repr_small) ... ok
test_reverse (test.test_bigmem.ListTest.test_reverse) ... ok
test_sort (test.test_bigmem.ListTest.test_sort) ... skipped 'not enough memory: 24.0G minimum needed'
test_capitalize (test.test_bigmem.StrTest.test_capitalize) ... skipped 'not enough memory: 28.0G minimum needed'
test_center (test.test_bigmem.StrTest.test_center) ... ok
test_compare (test.test_bigmem.StrTest.test_compare) ... ok
test_concat (test.test_bigmem.StrTest.test_concat) ... ok
test_contains (test.test_bigmem.StrTest.test_contains) ... ok
test_count (test.test_bigmem.StrTest.test_count) ... ok
test_encode (test.test_bigmem.StrTest.test_encode) ... ok
test_encode_ascii (test.test_bigmem.StrTest.test_encode_ascii) ... ok
test_encode_raw_unicode_escape (test.test_bigmem.StrTest.test_encode_raw_unicode_escape) ... ok
test_encode_utf32 (test.test_bigmem.StrTest.test_encode_utf32) ... ok
test_encode_utf7 (test.test_bigmem.StrTest.test_encode_utf7) ... ok
test_endswith (test.test_bigmem.StrTest.test_endswith) ... ok
test_expandtabs (test.test_bigmem.StrTest.test_expandtabs) ... ok
test_find (test.test_bigmem.StrTest.test_find) ... ok
test_format (test.test_bigmem.StrTest.test_format) ... ok
test_hash (test.test_bigmem.StrTest.test_hash) ... ok
test_index (test.test_bigmem.StrTest.test_index) ... ok
test_isalnum (test.test_bigmem.StrTest.test_isalnum) ... ok
test_isalpha (test.test_bigmem.StrTest.test_isalpha) ... ok
test_isdigit (test.test_bigmem.StrTest.test_isdigit) ... ok
test_islower (test.test_bigmem.StrTest.test_islower) ... ok
test_isspace (test.test_bigmem.StrTest.test_isspace) ... ok
test_istitle (test.test_bigmem.StrTest.test_istitle) ... ok
test_isupper (test.test_bigmem.StrTest.test_isupper) ... ok
test_join (test.test_bigmem.StrTest.test_join) ... ok
test_ljust (test.test_bigmem.StrTest.test_ljust) ... ok
test_lower (test.test_bigmem.StrTest.test_lower) ... ok
test_lstrip (test.test_bigmem.StrTest.test_lstrip) ... ok
test_repeat (test.test_bigmem.StrTest.test_repeat) ... ok
test_replace (test.test_bigmem.StrTest.test_replace) ... ok
test_repr_large (test.test_bigmem.StrTest.test_repr_large) ... ok
test_repr_small (test.test_bigmem.StrTest.test_repr_small) ... ok
test_rfind (test.test_bigmem.StrTest.test_rfind) ... ok
test_rindex (test.test_bigmem.StrTest.test_rindex) ... ok
test_rjust (test.test_bigmem.StrTest.test_rjust) ... ok
test_rstrip (test.test_bigmem.StrTest.test_rstrip) ... ok
test_slice_and_getitem (test.test_bigmem.StrTest.test_slice_and_getitem) ... ok
test_split_large (test.test_bigmem.StrTest.test_split_large) ... ok
test_split_small (test.test_bigmem.StrTest.test_split_small) ... ok
test_splitlines (test.test_bigmem.StrTest.test_splitlines) ... ok
test_startswith (test.test_bigmem.StrTest.test_startswith) ... ok
test_strip (test.test_bigmem.StrTest.test_strip) ... ok
test_swapcase (test.test_bigmem.StrTest.test_swapcase) ... skipped 'not enough memory: 28.0G minimum needed'
test_title (test.test_bigmem.StrTest.test_title) ... skipped 'not enough memory: 28.0G minimum needed'
test_translate (test.test_bigmem.StrTest.test_translate) ... ok
test_unicode_repr (test.test_bigmem.StrTest.test_unicode_repr) ... ok
test_unicode_repr_wide (test.test_bigmem.StrTest.test_unicode_repr_wide) ... ok
test_upper (test.test_bigmem.StrTest.test_upper) ... ok
test_zfill (test.test_bigmem.StrTest.test_zfill) ... ok
test_compare (test.test_bigmem.TupleTest.test_compare) ... skipped 'not enough memory: 32.0G minimum needed'
test_concat_large (test.test_bigmem.TupleTest.test_concat_large) ... skipped 'not enough memory: 48.0G minimum needed'
test_concat_small (test.test_bigmem.TupleTest.test_concat_small) ... skipped 'not enough memory: 24.0G minimum needed'
test_contains (test.test_bigmem.TupleTest.test_contains) ... ok
test_from_2G_generator (test.test_bigmem.TupleTest.test_from_2G_generator) ... ok
test_from_almost_2G_generator (test.test_bigmem.TupleTest.test_from_almost_2G_generator) ... ok
test_hash (test.test_bigmem.TupleTest.test_hash) ... ok
test_index_and_slice (test.test_bigmem.TupleTest.test_index_and_slice) ... ok
test_repeat_large (test.test_bigmem.TupleTest.test_repeat_large) ... skipped 'not enough memory: 48.0G minimum needed'
test_repeat_large_2 (test.test_bigmem.TupleTest.test_repeat_large_2) ... ok
test_repeat_small (test.test_bigmem.TupleTest.test_repeat_small) ... skipped 'not enough memory: 24.0G minimum needed'
test_repr_large (test.test_bigmem.TupleTest.test_repr_large) ... skipped 'not enough memory: 30.0G minimum needed'
test_repr_small (test.test_bigmem.TupleTest.test_repr_small) ... ok

----------------------------------------------------------------------
Ran 165 tests in 2954.633s

OK (skipped=20)

Assertion failed: !_Py_IsImmortal(FROM_GC(gc)), file R:\buildarea\3.x.ambv-bb-win11.bigmem\build\Python\gc.c, line 476
Fatal Python error: Aborted

Current thread 0x00000c1c (most recent call first):
  Garbage-collecting
  File "R:\buildarea\3.x.ambv-bb-win11.bigmem\build\Lib\test\support\__init__.py", line 776 in gc_collect
  File "R:\buildarea\3.x.ambv-bb-win11.bigmem\build\Lib\test\libregrtest\single.py", line 141 in _load_run_test
  File "R:\buildarea\3.x.ambv-bb-win11.bigmem\build\Lib\test\libregrtest\single.py", line 178 in _runtest_env_changed_exc
  File "R:\buildarea\3.x.ambv-bb-win11.bigmem\build\Lib\test\libregrtest\single.py", line 278 in _runtest
  File "R:\buildarea\3.x.ambv-bb-win11.bigmem\build\Lib\test\libregrtest\single.py", line 306 in run_single_test
  File "R:\buildarea\3.x.ambv-bb-win11.bigmem\build\Lib\test\libregrtest\worker.py", line 91 in worker_process
  File "R:\buildarea\3.x.ambv-bb-win11.bigmem\build\Lib\test\libregrtest\worker.py", line 126 in main
  File "R:\buildarea\3.x.ambv-bb-win11.bigmem\build\Lib\test\libregrtest\worker.py", line 130 in <module>
  File "R:\buildarea\3.x.ambv-bb-win11.bigmem\build\Lib\runpy.py", line 88 in _run_code
  File "R:\buildarea\3.x.ambv-bb-win11.bigmem\build\Lib\runpy.py", line 198 in _run_module_as_main

Extension modules: _testcapi, _wmi (total: 2)

(...)

2 tests failed:
    test.test_multiprocessing_spawn.test_processes test_bigmem

426 tests OK.

EDIT: I created issue gh-115127 for the test_multiprocessing_spawn error.

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