Message 296420 - Python tracker

> I've been debugging this and I can repro on El Capitan on a different machine as well -- it's an infrequent hang, I've been running in a loop:

Hum, a timeout of 3 minutes seems short for test_multiprocessing_forkserver. How long does it take *usually* to run this test?

At least, we have a first clue: test_many_processes() of Lib/test/_test_multiprocessing.py.