New submission from STINNER Victor <vstin...@python.org>:
AMD64 Windows8.1 Refleaks 3.9: https://buildbot.python.org/all/#/builders/6/builds/48 4:03:35 load avg: 3.98 [425/425/1] test_threading crashed (Exit code 1) beginning 6 repetitions 123456 Timeout (3:15:00)! Thread 0x00000748 (most recent call first): File "D:\buildarea\3.9.ware-win81-release.refleak\build\lib\subprocess.py", line 1479 in _readerthread File "D:\buildarea\3.9.ware-win81-release.refleak\build\lib\threading.py", line 907 in run File "D:\buildarea\3.9.ware-win81-release.refleak\build\lib\threading.py", line 970 in _bootstrap_inner File "D:\buildarea\3.9.ware-win81-release.refleak\build\lib\threading.py", line 927 in _bootstrap Thread 0x00001138 (most recent call first): File "D:\buildarea\3.9.ware-win81-release.refleak\build\lib\subprocess.py", line 1479 in _readerthread File "D:\buildarea\3.9.ware-win81-release.refleak\build\lib\threading.py", line 907 in run File "D:\buildarea\3.9.ware-win81-release.refleak\build\lib\threading.py", line 970 in _bootstrap_inner File "D:\buildarea\3.9.ware-win81-release.refleak\build\lib\threading.py", line 927 in _bootstrap Thread 0x00000b80 (most recent call first): File "D:\buildarea\3.9.ware-win81-release.refleak\build\lib\threading.py", line 1066 in _wait_for_tstate_lock File "D:\buildarea\3.9.ware-win81-release.refleak\build\lib\threading.py", line 1050 in join File "D:\buildarea\3.9.ware-win81-release.refleak\build\lib\subprocess.py", line 1508 in _communicate File "D:\buildarea\3.9.ware-win81-release.refleak\build\lib\subprocess.py", line 1134 in communicate File "D:\buildarea\3.9.ware-win81-release.refleak\build\lib\test\support\script_helper.py", line 132 in run_python_until_end File "D:\buildarea\3.9.ware-win81-release.refleak\build\lib\test\support\script_helper.py", line 140 in _assert_python File "D:\buildarea\3.9.ware-win81-release.refleak\build\lib\test\support\script_helper.py", line 156 in assert_python_ok File "D:\buildarea\3.9.ware-win81-release.refleak\build\lib\test\test_threading.py", line 1164 in test_print_exception ... The test runs a subprocess, the logs don't say where the child process was stuck: def test_print_exception(self): script = r"""if True: import threading import time running = False def run(): global running running = True while running: time.sleep(0.01) 1/0 t = threading.Thread(target=run) t.start() while not running: time.sleep(0.01) running = False t.join() """ rc, out, err = assert_python_ok("-c", script) self.assertEqual(out, b'') err = err.decode() self.assertIn("Exception in thread", err) self.assertIn("Traceback (most recent call last):", err) self.assertIn("ZeroDivisionError", err) self.assertNotIn("Unhandled exception", err) Note: using a "busy loop" to (1) waits until the thread starts (2) waits until the thread is requested to stop, is not an effecient way to synchonize. One two threading.Event would be better. ---------- components: Tests messages: 395779 nosy: vstinner priority: normal severity: normal status: open title: test_threading: test_print_exception() hangs and killed after 3h15 versions: Python 3.9 _______________________________________ Python tracker <rep...@bugs.python.org> <https://bugs.python.org/issue44416> _______________________________________ _______________________________________________ Python-bugs-list mailing list Unsubscribe: https://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
