Irit Katriel <[email protected]> added the comment:
I'm seeing this (intermittently) on main branch, could be related?
iritkatriel@Irits-MBP cpython-1 % ./python.exe
Lib/test/test_importlib/partial/pool_in_threads.py
Traceback (most recent call last):
Traceback (most recent call last):
Traceback (most recent call last):
Traceback (most recent call last):
Traceback (most recent call last):
Traceback (most recent call last):
File
"/Users/iritkatriel/src/cpython-1/Lib/test/test_importlib/partial/pool_in_threads.py",
line 9, in t
with multiprocessing.Pool(1):
^^^^^^^^^^^^^^^^^^^^^^^
File "/Users/iritkatriel/src/cpython-1/Lib/multiprocessing/context.py", line
119, in Pool
return Pool(processes, initializer, initargs, maxtasksperchild,
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File
"/Users/iritkatriel/src/cpython-1/Lib/test/test_importlib/partial/pool_in_threads.py",
line 9, in t
with multiprocessing.Pool(1):
^^^^^^^^^^^^^^^^^^^^^^^
File
"/Users/iritkatriel/src/cpython-1/Lib/test/test_importlib/partial/pool_in_threads.py",
line 9, in t
File "/Users/iritkatriel/src/cpython-1/Lib/multiprocessing/pool.py", line
212, in __init__
self._repopulate_pool()
^^^^^^^^^^^^^^^^^^^^^^^
File
"/Users/iritkatriel/src/cpython-1/Lib/test/test_importlib/partial/pool_in_threads.py",
line 9, in t
with multiprocessing.Pool(1):
^^^^^^^^^^^^^^^^^^^^^^^
File
"/Users/iritkatriel/src/cpython-1/Lib/test/test_importlib/partial/pool_in_threads.py",
line 9, in t
with multiprocessing.Pool(1):
^^^^^^^^^^^^^^^^^^^^^^^
File "/Users/iritkatriel/src/cpython-1/Lib/multiprocessing/context.py", line
119, in Pool
return Pool(processes, initializer, initargs, maxtasksperchild,
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/Users/iritkatriel/src/cpython-1/Lib/multiprocessing/context.py", line
119, in Pool
return Pool(processes, initializer, initargs, maxtasksperchild,
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/Users/iritkatriel/src/cpython-1/Lib/multiprocessing/context.py", line
119, in Pool
return Pool(processes, initializer, initargs, maxtasksperchild,
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File
"/Users/iritkatriel/src/cpython-1/Lib/test/test_importlib/partial/pool_in_threads.py",
line 9, in t
with multiprocessing.Pool(1):
^^^^^^^^^^^^^^^^^^^^^^^
File "/Users/iritkatriel/src/cpython-1/Lib/multiprocessing/context.py", line
119, in Pool
return Pool(processes, initializer, initargs, maxtasksperchild,
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/Users/iritkatriel/src/cpython-1/Lib/multiprocessing/pool.py", line
212, in __init__
self._repopulate_pool()
^^^^^^^^^^^^^^^^^^^^^^^
File "/Users/iritkatriel/src/cpython-1/Lib/multiprocessing/pool.py", line
212, in __init__
self._repopulate_pool()
^^^^^^^^^^^^^^^^^^^^^^^
File "/Users/iritkatriel/src/cpython-1/Lib/multiprocessing/pool.py", line
212, in __init__
self._repopulate_pool()
^^^^^^^^^^^^^^^^^^^^^^^
Traceback (most recent call last):
File "/Users/iritkatriel/src/cpython-1/Lib/multiprocessing/pool.py", line
303, in _repopulate_pool
return self._repopulate_pool_static(self._ctx, self.Process,
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/Users/iritkatriel/src/cpython-1/Lib/multiprocessing/pool.py", line
303, in _repopulate_pool
return self._repopulate_pool_static(self._ctx, self.Process,
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/Users/iritkatriel/src/cpython-1/Lib/multiprocessing/pool.py", line
303, in _repopulate_pool
return self._repopulate_pool_static(self._ctx, self.Process,
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File
"/Users/iritkatriel/src/cpython-1/Lib/test/test_importlib/partial/pool_in_threads.py",
line 9, in t
with multiprocessing.Pool(1):
^^^^^^^^^^^^^^^^^^^^^^^
File "/Users/iritkatriel/src/cpython-1/Lib/multiprocessing/pool.py", line
326, in _repopulate_pool_static
w.start()
^^^^^^^^^
File "/Users/iritkatriel/src/cpython-1/Lib/multiprocessing/pool.py", line
326, in _repopulate_pool_static
w.start()
^^^^^^^^^
File "/Users/iritkatriel/src/cpython-1/Lib/multiprocessing/pool.py", line
326, in _repopulate_pool_static
w.start()
^^^^^^^^^
File "/Users/iritkatriel/src/cpython-1/Lib/multiprocessing/context.py", line
119, in Pool
return Pool(processes, initializer, initargs, maxtasksperchild,
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/Users/iritkatriel/src/cpython-1/Lib/multiprocessing/process.py", line
121, in start
self._popen = self._Popen(self)
^^^^^^^^^^^^^^^^^
File "/Users/iritkatriel/src/cpython-1/Lib/multiprocessing/context.py", line
284, in _Popen
return Popen(process_obj)
^^^^^^^^^^^^^^^^^^
File
"/Users/iritkatriel/src/cpython-1/Lib/multiprocessing/popen_spawn_posix.py",
line 32, in __init__
super().__init__(process_obj)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/Users/iritkatriel/src/cpython-1/Lib/multiprocessing/popen_fork.py",
line 19, in __init__
self._launch(process_obj)
^^^^^^^^^^^^^^^^^^^^^^^^^
File "/Users/iritkatriel/src/cpython-1/Lib/multiprocessing/process.py", line
121, in start
self._popen = self._Popen(self)
^^^^^^^^^^^^^^^^^
File "/Users/iritkatriel/src/cpython-1/Lib/multiprocessing/context.py", line
284, in _Popen
return Popen(process_obj)
^^^^^^^^^^^^^^^^^^
File "/Users/iritkatriel/src/cpython-1/Lib/multiprocessing/pool.py", line
212, in __init__
self._repopulate_pool()
^^^^^^^^^^^^^^^^^^^^^^^
File
"/Users/iritkatriel/src/cpython-1/Lib/multiprocessing/popen_spawn_posix.py",
line 58, in _launch
self.pid = util.spawnv_passfds(spawn.get_executable(),
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File
"/Users/iritkatriel/src/cpython-1/Lib/multiprocessing/popen_spawn_posix.py",
line 32, in __init__
super().__init__(process_obj)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/Users/iritkatriel/src/cpython-1/Lib/multiprocessing/popen_fork.py",
line 19, in __init__
self._launch(process_obj)
^^^^^^^^^^^^^^^^^^^^^^^^^
File "/Users/iritkatriel/src/cpython-1/Lib/multiprocessing/context.py", line
119, in Pool
return Pool(processes, initializer, initargs, maxtasksperchild,
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/Users/iritkatriel/src/cpython-1/Lib/multiprocessing/util.py", line
450, in spawnv_passfds
errpipe_read, errpipe_write = os.pipe()
^^^^^^^^^
File "/Users/iritkatriel/src/cpython-1/Lib/multiprocessing/pool.py", line
212, in __init__
self._repopulate_pool()
^^^^^^^^^^^^^^^^^^^^^^^
File
"/Users/iritkatriel/src/cpython-1/Lib/multiprocessing/popen_spawn_posix.py",
line 54, in _launch
child_r, parent_w = os.pipe()
^^^^^^^^^
File "/Users/iritkatriel/src/cpython-1/Lib/multiprocessing/process.py", line
121, in start
self._popen = self._Popen(self)
^^^^^^^^^^^^^^^^^
File "/Users/iritkatriel/src/cpython-1/Lib/multiprocessing/context.py", line
284, in _Popen
return Popen(process_obj)
^^^^^^^^^^^^^^^^^^
File "/Users/iritkatriel/src/cpython-1/Lib/multiprocessing/pool.py", line
303, in _repopulate_pool
return self._repopulate_pool_static(self._ctx, self.Process,
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/Users/iritkatriel/src/cpython-1/Lib/multiprocessing/pool.py", line
326, in _repopulate_pool_static
w.start()
^^^^^^^^^
OSError: [Errno 24] Too many open files
iritkatriel@Irits-MBP cpython-1 %
/Users/iritkatriel/src/cpython-1/Lib/multiprocessing/resource_tracker.py:224:
UserWarning: resource_tracker: There appear to be 59 leaked semaphore objects
to clean up at shutdown
warnings.warn('resource_tracker: There appear to be %d '
/Users/iritkatriel/src/cpython-1/Lib/multiprocessing/resource_tracker.py:237:
UserWarning: resource_tracker: '/mp-2xx2cl25': [Errno 2] No such file or
directory
warnings.warn('resource_tracker: %r: %s' % (name, e))
/Users/iritkatriel/src/cpython-1/Lib/multiprocessing/resource_tracker.py:237:
UserWarning: resource_tracker: '/mp-8ru9f83a': [Errno 2] No such file or
directory
warnings.warn('resource_tracker: %r: %s' % (name, e))
/Users/iritkatriel/src/cpython-1/Lib/multiprocessing/resource_tracker.py:237:
UserWarning: resource_tracker: '/mp-vn_5pkc4': [Errno 2] No such file or
directory
warnings.warn('resource_tracker: %r: %s' % (name, e))
/Users/iritkatriel/src/cpython-1/Lib/multiprocessing/resource_tracker.py:237:
UserWarning: resource_tracker: '/mp-2l68znmb': [Errno 2] No such file or
directory
warnings.warn('resource_tracker: %r: %s' % (name, e))
/Users/iritkatriel/src/cpython-1/Lib/multiprocessing/resource_tracker.py:237:
UserWarning: resource_tracker: '/mp-5onb3wo5': [Errno 2] No such file or
directory
warnings.warn('resource_tracker: %r: %s' % (name, e))
/Users/iritkatriel/src/cpython-1/Lib/multiprocessing/resource_tracker.py:237:
UserWarning: resource_tracker: '/mp-8yle2uvb': [Errno 2] No such file or
directory
warnings.warn('resource_tracker: %r: %s' % (name, e))
/Users/iritkatriel/src/cpython-1/Lib/multiprocessing/resource_tracker.py:237:
UserWarning: resource_tracker: '/mp-n0jgz2b_': [Errno 2] No such file or
directory
warnings.warn('resource_tracker: %r: %s' % (name, e))
/Users/iritkatriel/src/cpython-1/Lib/multiprocessing/resource_tracker.py:237:
UserWarning: resource_tracker: '/mp-18ikpx7f': [Errno 2] No such file or
directory
warnings.warn('resource_tracker: %r: %s' % (name, e))
/Users/iritkatriel/src/cpython-1/Lib/multiprocessing/resource_tracker.py:237:
UserWarning: resource_tracker: '/mp-ikdrzqcc': [Errno 2] No such file or
directory
warnings.warn('resource_tracker: %r: %s' % (name, e))
/Users/iritkatriel/src/cpython-1/Lib/multiprocessing/resource_tracker.py:237:
UserWarning: resource_tracker: '/mp-1cecwdl7': [Errno 2] No such file or
directory
warnings.warn('resource_tracker: %r: %s' % (name, e))
----------
nosy: +iritkatriel
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Python tracker <[email protected]>
<https://bugs.python.org/issue45021>
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