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