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

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vstinner

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on Feb 7, 2024

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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.

Linked PRs

gh-115124: Use _PyObject_ASSERT() in gc.c #115125

Activity

vstinner
added 2 commits that reference this issue on Feb 7, 2024
pythongh-115124: Use _PyObject_ASSERT() in gc.c
b8aff7d
pythongh-115124: Use _PyObject_ASSERT() in gc.c
468de57
vstinner commented on Feb 7, 2024
vstinner
on Feb 7, 2024
MemberAuthor
More actions
See also issue gh-115122: "regrtest: add --bisect option to run test.bisect_cmd on failed tests".
vstinner commented on Feb 7, 2024
vstinner
on Feb 7, 2024
MemberAuthor
More actions
@ambv message on Discord:

Note: the bigmem buildbot caught an assertion failure in GC

Started with https://buildbot.python.org/all/#/builders/1079/builds/3327
Latest failure: https://buildbot.python.org/all/#/builders/1079/builds/3333

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

I'll be disabling bigmem on 3.12 as at this point it's unlikely to catch anything new in 3.12. So we'll have less waiting for the buildbot on main.
vstinner commented on Feb 7, 2024
vstinner
on Feb 7, 2024
MemberAuthor
More actions

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

This build contains two changes:

bcccf1f

36518e6
vstinner commented on Feb 7, 2024
vstinner
on Feb 7, 2024
MemberAuthor
More actions
See also issue gh-115127: multiprocessing test_thread_safety() fails with "gc_list_is_empty(to) || gc_old_space(to_tail) == gc_old_space(from_tail)" assert error.
encukou commented on Feb 7, 2024
encukou
on Feb 7, 2024
Member
More actions
This was #108362
encukou
closed this as not planned on Feb 7, 2024
vstinner
added 5 commits that reference this issue on Feb 12, 2024
pythongh-115124: Use _PyObject_ASSERT() in gc.c
2b625c7
pythongh-115124: Use _PyObject_ASSERT() in gc.c
3f8a768
pythongh-115124: Use _PyObject_ASSERT() in gc.c
86c5302
pythongh-115124: Use _PyObject_ASSERT() in gc.c
0b52d36
gh-115124: Use _PyObject_ASSERT() in gc.c (#115125)
94f1334
diegorusso
added a commit that references this issue on Apr 17, 2024
pythongh-115124: Use _PyObject_ASSERT() in gc.c (python#115125)
a2b90ca
LukasWoodtli
added a commit that references this issue on Jan 22, 2025
pythongh-115124: Use _PyObject_ASSERT() in gc.c (python#115125)
5483eec

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

Description

Linked PRs

Activity

vstinner commented on Feb 7, 2024

vstinner commented on Feb 7, 2024

vstinner commented on Feb 7, 2024

vstinner commented on Feb 7, 2024

encukou commented on Feb 7, 2024

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