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)) |
➜
