Miro Hrončok <m...@hroncok.cz> added the comment:
This started to bother us in Fedora for various Python versions, so chances are
something changed on the system level.
However for us it seams test_multiprocessing_fork hangs by itself, so this
might or might not be relevant to
# python3.7 -m test.regrtest test_multiprocessing_fork test_subprocess
Run tests sequentially
0:00:00 load avg: 1.16 [1/2] test_multiprocessing_fork
/usr/lib64/python3.7/multiprocessing/semaphore_tracker.py:55: UserWarning:
semaphore_tracker: process died unexpectedly, relaunching. Some semaphores
might leak.
warnings.warn('semaphore_tracker: process died unexpectedly, '
Exception in thread Thread-26:
Traceback (most recent call last):
File "/usr/lib64/python3.7/threading.py", line 917, in _bootstrap_inner
self.run()
File "/usr/lib64/python3.7/threading.py", line 865, in run
self._target(*self._args, **self._kwargs)
File "/usr/lib64/python3.7/multiprocessing/resource_sharer.py", line 139, in
_serve
signal.pthread_sigmask(signal.SIG_BLOCK, range(1, signal.NSIG))
File "/usr/lib64/python3.7/signal.py", line 60, in pthread_sigmask
sigs_set = _signal.pthread_sigmask(how, mask)
ValueError: signal number 32 out of range
(hangs)
^CProcess Process-184:
Traceback (most recent call last):
File "/usr/lib64/python3.7/multiprocessing/process.py", line 297, in
_bootstrap
self.run()
File "/usr/lib64/python3.7/multiprocessing/process.py", line 99, in run
self._target(*self._args, **self._kwargs)
File "/usr/lib64/python3.7/test/_test_multiprocessing.py", line 3328, in
child_access
w = conn.recv()
File "/usr/lib64/python3.7/multiprocessing/connection.py", line 251, in recv
return _ForkingPickler.loads(buf.getbuffer())
File "/usr/lib64/python3.7/multiprocessing/connection.py", line 960, in
rebuild_connection
fd = df.detach()
File "/usr/lib64/python3.7/multiprocessing/resource_sharer.py", line 57, in
detach
with _resource_sharer.get_connection(self._id) as conn:
File "/usr/lib64/python3.7/multiprocessing/resource_sharer.py", line 87, in
get_connection
c = Client(address, authkey=process.current_process().authkey)
File "/usr/lib64/python3.7/multiprocessing/connection.py", line 498, in Client
answer_challenge(c, authkey)
File "/usr/lib64/python3.7/multiprocessing/connection.py", line 741, in
answer_challenge
message = connection.recv_bytes(256) # reject large message
File "/usr/lib64/python3.7/multiprocessing/connection.py", line 216, in
recv_bytes
buf = self._recv_bytes(maxlength)
File "/usr/lib64/python3.7/multiprocessing/connection.py", line 407, in
_recv_bytes
buf = self._recv(4)
File "/usr/lib64/python3.7/multiprocessing/connection.py", line 379, in _recv
chunk = read(handle, remaining)
KeyboardInterrupt
Warning -- multiprocessing.process._dangling was modified by
test_multiprocessing_fork
Before: <_weakrefset.WeakSet object at 0x7f4b63782dd8>
After: <_weakrefset.WeakSet object at 0x7f4b637821d0>
Warning -- threading._dangling was modified by test_multiprocessing_fork
Before: <_weakrefset.WeakSet object at 0x7f4b63782780>
After: <_weakrefset.WeakSet object at 0x7f4b63782da0>
Test suite interrupted by signal SIGINT.
2 tests omitted:
test_multiprocessing_fork test_subprocess
Total duration: 1 min 35 sec
Tests result: INTERRUPTED
# python3.7 --version
Python 3.7.0b3
# python3.6 -m test.regrtest test_multiprocessing_fork test_subprocess
Run tests sequentially
0:00:00 load avg: 1.84 [1/2] test_multiprocessing_fork
/usr/lib64/python3.6/multiprocessing/semaphore_tracker.py:55: UserWarning:
semaphore_tracker: process died unexpectedly, relaunching. Some semaphores
might leak.
warnings.warn('semaphore_tracker: process died unexpectedly, '
Exception in thread Thread-20:
Traceback (most recent call last):
File "/usr/lib64/python3.6/threading.py", line 916, in _bootstrap_inner
self.run()
File "/usr/lib64/python3.6/threading.py", line 864, in run
self._target(*self._args, **self._kwargs)
File "/usr/lib64/python3.6/multiprocessing/resource_sharer.py", line 139, in
_serve
signal.pthread_sigmask(signal.SIG_BLOCK, range(1, signal.NSIG))
File "/usr/lib64/python3.6/signal.py", line 60, in pthread_sigmask
sigs_set = _signal.pthread_sigmask(how, mask)
ValueError: signal number 32 out of range
(hangs)
^CProcess Process-178:
Traceback (most recent call last):
...
KeyboardInterrupt
Warning -- multiprocessing.process._dangling was modified by
test_multiprocessing_fork
Before: <_weakrefset.WeakSet object at 0x7f1873917c88>
After: <_weakrefset.WeakSet object at 0x7f188516d978>
Warning -- threading._dangling was modified by test_multiprocessing_fork
Before: <_weakrefset.WeakSet object at 0x7f1873917d68>
After: <_weakrefset.WeakSet object at 0x7f1873917e48>
Test suite interrupted by signal SIGINT.
2 tests omitted:
test_multiprocessing_fork test_subprocess
Total duration: 51 sec
Tests result: INTERRUPTED
# python3.6 --version
Python 3.6.5
# python3.5 -m test.regrtest test_multiprocessing_fork test_subprocess
0:00:00 load avg: 1.83 [1/2] test_multiprocessing_fork
Exception in thread Thread-20:
Traceback (most recent call last):
File "/usr/lib64/python3.5/threading.py", line 914, in _bootstrap_inner
self.run()
File "/usr/lib64/python3.5/threading.py", line 862, in run
self._target(*self._args, **self._kwargs)
File "/usr/lib64/python3.5/multiprocessing/resource_sharer.py", line 139, in
_serve
signal.pthread_sigmask(signal.SIG_BLOCK, range(1, signal.NSIG))
File "/usr/lib64/python3.5/signal.py", line 60, in pthread_sigmask
sigs_set = _signal.pthread_sigmask(how, mask)
ValueError: signal number 32 out of range
(hangs)
^CProcess Process-178:
Traceback (most recent call last):
...
KeyboardInterrupt
Warning -- multiprocessing.process._dangling was modified by
test_multiprocessing_fork
Before: <_weakrefset.WeakSet object at 0x7f2bb3923ba8>
After: <_weakrefset.WeakSet object at 0x7f2bc4d88b38>
Warning -- threading._dangling was modified by test_multiprocessing_fork
Before: <_weakrefset.WeakSet object at 0x7f2bb3923be0>
After: <_weakrefset.WeakSet object at 0x7f2bb3923f28>
Test suite interrupted by signal SIGINT.
2 tests omitted:
test_multiprocessing_fork test_subprocess
Tests result: INTERRUPTED
# python3.5 --version
Python 3.5.4
# python3.4 -m test.regrtest test_multiprocessing_fork test_subprocess
[1/2] test_multiprocessing_fork
Exception in thread Thread-21:
Traceback (most recent call last):
File "/usr/lib64/python3.4/threading.py", line 911, in _bootstrap_inner
self.run()
File "/usr/lib64/python3.4/threading.py", line 859, in run
self._target(*self._args, **self._kwargs)
File "/usr/lib64/python3.4/multiprocessing/resource_sharer.py", line 139, in
_serve
signal.pthread_sigmask(signal.SIG_BLOCK, range(1, signal.NSIG))
ValueError: signal number 32 out of range
(hangs)
^CTraceback (most recent call last):
File "<string>", line 1, in <module>
File "/usr/lib64/python3.4/multiprocessing/forkserver.py", line 170, in main
Warning -- multiprocessing.process._dangling was modified by
test_multiprocessing_fork
Warning -- threading._dangling was modified by test_multiprocessing_fork
Process Process-180:
Traceback (most recent call last):
...
KeyboardInterrupt
Test suite interrupted by signal SIGINT.
2 tests omitted:
test_multiprocessing_fork test_subprocess
# python3.4 --version
Python 3.4.8
----------
nosy: +hroncok
versions: +Python 3.4, Python 3.5, Python 3.6
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<https://bugs.python.org/issue31463>
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