cagney <andrew.cag...@gmail.com> added the comment:

More info from adding a faulthandler ...

    15  def f():
    16      import ctypes
    17  
    18  for i in range(0,50):
    19      sys.stdout.write("\r%d" % i)
    20      sys.stdout.flush()
    21      signal.alarm(60*2)
    22      for j in range(0,1000):
    23          with concurrent.futures.ProcessPoolExecutor() as executor:
    24              ftr = executor.submit(f)
    25              ftr.result()

Thread 0x00007f1ce7fff700 (most recent call first):
  File "/home/python/v3.7.3/lib/python3.7/threading.py", line 296 in wait
  File "/home/python/v3.7.3/lib/python3.7/multiprocessing/queues.py", line 224 
in _feed
  File "/home/python/v3.7.3/lib/python3.7/threading.py", line 865 in run
  File "/home/python/v3.7.3/lib/python3.7/threading.py", line 917 in 
_bootstrap_inner
  File "/home/python/v3.7.3/lib/python3.7/threading.py", line 885 in _bootstrap

Thread 0x00007f1cec917700 (most recent call first):
  File "/home/python/v3.7.3/lib/python3.7/selectors.py", line 415 in select
  File "/home/python/v3.7.3/lib/python3.7/multiprocessing/connection.py", line 
920 in wait
  File "/home/python/v3.7.3/lib/python3.7/concurrent/futures/process.py", line 
354 in _queue_management_worker
  File "/home/python/v3.7.3/lib/python3.7/threading.py", line 865 in run
  File "/home/python/v3.7.3/lib/python3.7/threading.py", line 917 in 
_bootstrap_inner
  File "/home/python/v3.7.3/lib/python3.7/threading.py", line 885 in _bootstrap

Current thread 0x00007f1cfd9486c0 (most recent call first):
  File "/home/python/v3.7.3/lib/python3.7/threading.py", line 296 in wait
  File "/home/python/v3.7.3/lib/python3.7/concurrent/futures/_base.py", line 
427 in result
  File "cf-deadlock.py", line 25 in <module>

----------

_______________________________________
Python tracker <rep...@bugs.python.org>
<https://bugs.python.org/issue35866>
_______________________________________
_______________________________________________
Python-bugs-list mailing list
Unsubscribe: 
https://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com

Reply via email to