New submission from Antoine Pitrou:
It looks like this may be the symptom of a buglet in Thread.join:
======================================================================
ERROR: test_communicate_timeout (test.test_subprocess.ProcessTestCase)
----------------------------------------------------------------------
Traceback (most recent call last):
File
"E:\home\cpython\buildslave\x86\3.x.snakebite-win2k8r2sp1-x86\build\lib\test\test_subprocess.py",
line 672, in test_communicate_timeout
timeout=0.3)
File
"E:\home\cpython\buildslave\x86\3.x.snakebite-win2k8r2sp1-x86\build\lib\unittest\case.py",
line 689, in assertRaises
return context.handle('assertRaises', callableObj, args, kwargs)
File
"E:\home\cpython\buildslave\x86\3.x.snakebite-win2k8r2sp1-x86\build\lib\unittest\case.py",
line 158, in handle
callable_obj(*args, **kwargs)
File
"E:\home\cpython\buildslave\x86\3.x.snakebite-win2k8r2sp1-x86\build\lib\subprocess.py",
line 947, in communicate
stdout, stderr = self._communicate(input, endtime, timeout)
File
"E:\home\cpython\buildslave\x86\3.x.snakebite-win2k8r2sp1-x86\build\lib\subprocess.py",
line 1193, in _communicate
self.stdout_thread.join(self._remaining_time(endtime))
File
"E:\home\cpython\buildslave\x86\3.x.snakebite-win2k8r2sp1-x86\build\lib\threading.py",
line 1062, in join
self._wait_for_tstate_lock(timeout=timeout)
File
"E:\home\cpython\buildslave\x86\3.x.snakebite-win2k8r2sp1-x86\build\lib\threading.py",
line 1074, in _wait_for_tstate_lock
elif lock.acquire(block, timeout):
ValueError: timeout value must be strictly positive
----------
components: Library (Lib)
messages: 201296
nosy: pitrou, tim.peters
priority: normal
severity: normal
status: open
title: sporadic test_subprocess failure
versions: Python 3.4
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Python tracker <[email protected]>
<http://bugs.python.org/issue19399>
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