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multiprocessing crashed with EXCEPTION_ACCESS_VIOLATION on Python on x86 Windows7 3.x #81324

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vstinner opened this issue Jun 3, 2019 · 4 comments
Closed

multiprocessing crashed with EXCEPTION_ACCESS_VIOLATION on Python on x86 Windows7 3.x #81324

vstinner opened this issue Jun 3, 2019 · 4 comments
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3.8 only security fixes tests Tests in the Lib/test dir

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@vstinner
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vstinner commented Jun 3, 2019

BPO 37143
Nosy @vstinner

Note: these values reflect the state of the issue at the time it was migrated and might not reflect the current state.

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GitHub fields:

assignee = None
closed_at = <Date 2019-06-04.00:29:28.007>
created_at = <Date 2019-06-03.12:27:45.061>
labels = ['3.8', 'tests']
title = 'multiprocessing crashed with EXCEPTION_ACCESS_VIOLATION on Python on x86 Windows7 3.x'
updated_at = <Date 2019-06-04.00:29:28.006>
user = 'https://github.com/vstinner'

bugs.python.org fields:

activity = <Date 2019-06-04.00:29:28.006>
actor = 'vstinner'
assignee = 'none'
closed = True
closed_date = <Date 2019-06-04.00:29:28.007>
closer = 'vstinner'
components = ['Tests']
creation = <Date 2019-06-03.12:27:45.061>
creator = 'vstinner'
dependencies = []
files = []
hgrepos = []
issue_num = 37143
keywords = []
message_count = 4.0
messages = ['344416', '344424', '344503', '344504']
nosy_count = 1.0
nosy_names = ['vstinner']
pr_nums = []
priority = 'normal'
resolution = 'duplicate'
stage = 'resolved'
status = 'closed'
superseder = None
type = None
url = 'https://bugs.python.org/issue37143'
versions = ['Python 3.8']
@vstinner
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vstinner commented Jun 3, 2019

Maybe it's related to bpo-33608:
https://bugs.python.org/issue33608#msg340143

https://buildbot.python.org/all/#/builders/58/builds/2558

0:42:36 load avg: 5.63 [299/423/1] test_venv crashed (Exit code 1)
Timeout (0:35:00)!
Thread 0x00000e00 (most recent call first):
File "D:\cygwin\home\db3l\buildarea\3.x.bolen-windows7\build\lib\subprocess.py", line 1332 in _readerthread
File "D:\cygwin\home\db3l\buildarea\3.x.bolen-windows7\build\lib\threading.py", line 865 in run
File "D:\cygwin\home\db3l\buildarea\3.x.bolen-windows7\build\lib\threading.py", line 923 in _bootstrap_inner
File "D:\cygwin\home\db3l\buildarea\3.x.bolen-windows7\build\lib\threading.py", line 885 in _bootstrap

Thread 0x00000150 (most recent call first):
File "D:\cygwin\home\db3l\buildarea\3.x.bolen-windows7\build\lib\subprocess.py", line 1332 in _readerthread
File "D:\cygwin\home\db3l\buildarea\3.x.bolen-windows7\build\lib\threading.py", line 865 in run
File "D:\cygwin\home\db3l\buildarea\3.x.bolen-windows7\build\lib\threading.py", line 923 in _bootstrap_inner
File "D:\cygwin\home\db3l\buildarea\3.x.bolen-windows7\build\lib\threading.py", line 885 in _bootstrap

Thread 0x00000d40 (most recent call first):
File "D:\cygwin\home\db3l\buildarea\3.x.bolen-windows7\build\lib\threading.py", line 1015 in _wait_for_tstate_lock
File "D:\cygwin\home\db3l\buildarea\3.x.bolen-windows7\build\lib\threading.py", line 999 in join
File "D:\cygwin\home\db3l\buildarea\3.x.bolen-windows7\build\lib\subprocess.py", line 1361 in _communicate
File "D:\cygwin\home\db3l\buildarea\3.x.bolen-windows7\build\lib\subprocess.py", line 999 in communicate
File "D:\cygwin\home\db3l\buildarea\3.x.bolen-windows7\build\lib\test\test_venv.py", line 40 in check_output
File "D:\cygwin\home\db3l\buildarea\3.x.bolen-windows7\build\lib\test\test_venv.py", line 327 in test_multiprocessing
File "D:\cygwin\home\db3l\buildarea\3.x.bolen-windows7\build\lib\unittest\case.py", line 628 in _callTestMethod
File "D:\cygwin\home\db3l\buildarea\3.x.bolen-windows7\build\lib\unittest\case.py", line 671 in run
File "D:\cygwin\home\db3l\buildarea\3.x.bolen-windows7\build\lib\unittest\case.py", line 731 in __call__
File "D:\cygwin\home\db3l\buildarea\3.x.bolen-windows7\build\lib\unittest\suite.py", line 122 in run
File "D:\cygwin\home\db3l\buildarea\3.x.bolen-windows7\build\lib\unittest\suite.py", line 84 in __call__
File "D:\cygwin\home\db3l\buildarea\3.x.bolen-windows7\build\lib\unittest\suite.py", line 122 in run
File "D:\cygwin\home\db3l\buildarea\3.x.bolen-windows7\build\lib\unittest\suite.py", line 84 in __call__
File "D:\cygwin\home\db3l\buildarea\3.x.bolen-windows7\build\lib\unittest\suite.py", line 122 in run
File "D:\cygwin\home\db3l\buildarea\3.x.bolen-windows7\build\lib\unittest\suite.py", line 84 in __call__
File "D:\cygwin\home\db3l\buildarea\3.x.bolen-windows7\build\lib\unittest\runner.py", line 176 in run
File "D:\cygwin\home\db3l\buildarea\3.x.bolen-windows7\build\lib\test\support\init.py", line 1984 in _run_suite
File "D:\cygwin\home\db3l\buildarea\3.x.bolen-windows7\build\lib\test\support\init.py", line 2080 in run_unittest
File "D:\cygwin\home\db3l\buildarea\3.x.bolen-windows7\build\lib\test\libregrtest\runtest.py", line 203 in _test_module
File "D:\cygwin\home\db3l\buildarea\3.x.bolen-windows7\build\lib\test\libregrtest\runtest.py", line 228 in _runtest_inner2
File "D:\cygwin\home\db3l\buildarea\3.x.bolen-windows7\build\lib\test\libregrtest\runtest.py", line 264 in _runtest_inner
File "D:\cygwin\home\db3l\buildarea\3.x.bolen-windows7\build\lib\test\libregrtest\runtest.py", line 135 in _runtest
File "D:\cygwin\home\db3l\buildarea\3.x.bolen-windows7\build\lib\test\libregrtest\runtest.py", line 187 in runtest
File "D:\cygwin\home\db3l\buildarea\3.x.bolen-windows7\build\lib\test\libregrtest\runtest_mp.py", line 66 in run_tests_worker
File "D:\cygwin\home\db3l\buildarea\3.x.bolen-windows7\build\lib\test\libregrtest\main.py", line 611 in _main
File "D:\cygwin\home\db3l\buildarea\3.x.bolen-windows7\build\lib\test\libregrtest\main.py", line 588 in main
File "D:\cygwin\home\db3l\buildarea\3.x.bolen-windows7\build\lib\test\libregrtest\main.py", line 663 in main
File "D:\cygwin\home\db3l\buildarea\3.x.bolen-windows7\build\lib\test\regrtest.py", line 46 in _main
File "D:\cygwin\home\db3l\buildarea\3.x.bolen-windows7\build\lib\test\regrtest.py", line 50 in <module>
File "D:\cygwin\home\db3l\buildarea\3.x.bolen-windows7\build\lib\runpy.py", line 85 in _run_code
File "D:\cygwin\home\db3l\buildarea\3.x.bolen-windows7\build\lib\runpy.py", line 192 in _run_module_as_main

...

ERROR: test_multiprocessing (test.test_venv.BasicTest)
----------------------------------------------------------------------

Traceback (most recent call last):
  File "D:\cygwin\home\db3l\buildarea\3.x.bolen-windows7\build\lib\test\test_venv.py", line 327, in test_multiprocessing
    out, err = check_output([envpy, '-c',
  File "D:\cygwin\home\db3l\buildarea\3.x.bolen-windows7\build\lib\test\test_venv.py", line 42, in check_output
    raise subprocess.CalledProcessError(
subprocess.CalledProcessError: Command '['d:\\temp\\tmpf38yk5w1\\Scripts\\python_d.exe', '-c', 'from multiprocessing import Pool; print(Pool(1).apply_async("Python".lower).get(3))']' returned non-zero exit status 3221225477.

where 3221225477 = 0xc0000005 = EXCEPTION_ACCESS_VIOLATION

@vstinner vstinner added 3.8 only security fixes tests Tests in the Lib/test dir labels Jun 3, 2019
@vstinner
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vstinner commented Jun 3, 2019

On Windows 10, I ran "python -m test test_venv -m test_multiprocessing -F" for 8 min, and "python -m test test_multiprocessing_spawn" in parallel. I failed to reproduce the issue.

@vstinner
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vstinner commented Jun 4, 2019

New fresh crash on x86 Windows7 3.x, even after the revert:

https://buildbot.python.org/all/#/builders/58/builds/2566

======================================================================
ERROR: test_multiprocessing (test.test_venv.BasicTest)
----------------------------------------------------------------------

Traceback (most recent call last):
  File "D:\cygwin\home\db3l\buildarea\3.x.bolen-windows7\build\lib\test\test_venv.py", line 327, in test_multiprocessing
    out, err = check_output([envpy, '-c',
  File "D:\cygwin\home\db3l\buildarea\3.x.bolen-windows7\build\lib\test\test_venv.py", line 42, in check_output
    raise subprocess.CalledProcessError(
subprocess.CalledProcessError: Command '['d:\\temp\\tmp1rikh6ck\\Scripts\\python_d.exe', '-c', 'from multiprocessing import Pool; print(Pool(1).apply_async("Python".lower).get(3))']' returned non-zero exit status 3221225477.

Same on FreeBSD:
https://bugs.python.org/issue37135#msg344495

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vstinner commented Jun 4, 2019

I mark this issue as a duplicate of bpo-37135.

@vstinner vstinner closed this as completed Jun 4, 2019
@ezio-melotti ezio-melotti transferred this issue from another repository Apr 10, 2022
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