STINNER Victor <victor.stin...@haypocalc.com> added the comment: Here is a nice trace on "PPC Leopard 3.x" thanks to faulthandler + regrtest timeout (30 minutes): ------------------------------- ... [218/354] test_multiprocessing Thread 0xf0617000: File "/Users/buildbot/buildarea/3.x.parc-leopard-1/build/Lib/threading.py", line 235 in wait File "/Users/buildbot/buildarea/3.x.parc-leopard-1/build/Lib/queue.py", line 185 in get File "/Users/buildbot/buildarea/3.x.parc-leopard-1/build/Lib/multiprocessing/pool.py", line 372 in _handle_results File "/Users/buildbot/buildarea/3.x.parc-leopard-1/build/Lib/threading.py", line 688 in run File "/Users/buildbot/buildarea/3.x.parc-leopard-1/build/Lib/threading.py", line 735 in _bootstrap_inner File "/Users/buildbot/buildarea/3.x.parc-leopard-1/build/Lib/threading.py", line 708 in _bootstrap
Thread 0xf0595000: File "/Users/buildbot/buildarea/3.x.parc-leopard-1/build/Lib/threading.py", line 235 in wait File "/Users/buildbot/buildarea/3.x.parc-leopard-1/build/Lib/queue.py", line 185 in get File "/Users/buildbot/buildarea/3.x.parc-leopard-1/build/Lib/multiprocessing/pool.py", line 331 in _handle_tasks File "/Users/buildbot/buildarea/3.x.parc-leopard-1/build/Lib/threading.py", line 688 in run File "/Users/buildbot/buildarea/3.x.parc-leopard-1/build/Lib/threading.py", line 735 in _bootstrap_inner File "/Users/buildbot/buildarea/3.x.parc-leopard-1/build/Lib/threading.py", line 708 in _bootstrap Thread 0xf0513000: File "/Users/buildbot/buildarea/3.x.parc-leopard-1/build/Lib/multiprocessing/pool.py", line 324 in _handle_workers File "/Users/buildbot/buildarea/3.x.parc-leopard-1/build/Lib/threading.py", line 688 in run File "/Users/buildbot/buildarea/3.x.parc-leopard-1/build/Lib/threading.py", line 735 in _bootstrap_inner File "/Users/buildbot/buildarea/3.x.parc-leopard-1/build/Lib/threading.py", line 708 in _bootstrap Thread 0xf0491000: File "/Users/buildbot/buildarea/3.x.parc-leopard-1/build/Lib/threading.py", line 235 in wait File "/Users/buildbot/buildarea/3.x.parc-leopard-1/build/Lib/queue.py", line 185 in get File "/Users/buildbot/buildarea/3.x.parc-leopard-1/build/Lib/multiprocessing/pool.py", line 102 in worker File "/Users/buildbot/buildarea/3.x.parc-leopard-1/build/Lib/threading.py", line 688 in run File "/Users/buildbot/buildarea/3.x.parc-leopard-1/build/Lib/threading.py", line 735 in _bootstrap_inner File "/Users/buildbot/buildarea/3.x.parc-leopard-1/build/Lib/threading.py", line 708 in _bootstrap Thread 0xf040f000: File "/Users/buildbot/buildarea/3.x.parc-leopard-1/build/Lib/threading.py", line 235 in wait File "/Users/buildbot/buildarea/3.x.parc-leopard-1/build/Lib/queue.py", line 185 in get File "/Users/buildbot/buildarea/3.x.parc-leopard-1/build/Lib/multiprocessing/pool.py", line 102 in worker File "/Users/buildbot/buildarea/3.x.parc-leopard-1/build/Lib/threading.py", line 688 in run File "/Users/buildbot/buildarea/3.x.parc-leopard-1/build/Lib/threading.py", line 735 in _bootstrap_inner File "/Users/buildbot/buildarea/3.x.parc-leopard-1/build/Lib/threading.py", line 708 in _bootstrap Thread 0xf038d000: File "/Users/buildbot/buildarea/3.x.parc-leopard-1/build/Lib/threading.py", line 235 in wait File "/Users/buildbot/buildarea/3.x.parc-leopard-1/build/Lib/queue.py", line 185 in get File "/Users/buildbot/buildarea/3.x.parc-leopard-1/build/Lib/multiprocessing/pool.py", line 102 in worker File "/Users/buildbot/buildarea/3.x.parc-leopard-1/build/Lib/threading.py", line 688 in run File "/Users/buildbot/buildarea/3.x.parc-leopard-1/build/Lib/threading.py", line 735 in _bootstrap_inner File "/Users/buildbot/buildarea/3.x.parc-leopard-1/build/Lib/threading.py", line 708 in _bootstrap Thread 0xf030b000: File "/Users/buildbot/buildarea/3.x.parc-leopard-1/build/Lib/threading.py", line 235 in wait File "/Users/buildbot/buildarea/3.x.parc-leopard-1/build/Lib/queue.py", line 185 in get File "/Users/buildbot/buildarea/3.x.parc-leopard-1/build/Lib/multiprocessing/pool.py", line 102 in worker File "/Users/buildbot/buildarea/3.x.parc-leopard-1/build/Lib/threading.py", line 688 in run File "/Users/buildbot/buildarea/3.x.parc-leopard-1/build/Lib/threading.py", line 735 in _bootstrap_inner File "/Users/buildbot/buildarea/3.x.parc-leopard-1/build/Lib/threading.py", line 708 in _bootstrap Thread 0xa09e1820: File "/Users/buildbot/buildarea/3.x.parc-leopard-1/build/Lib/multiprocessing/forking.py", line 134 in poll File "/Users/buildbot/buildarea/3.x.parc-leopard-1/build/Lib/multiprocessing/forking.py", line 149 in wait File "/Users/buildbot/buildarea/3.x.parc-leopard-1/build/Lib/multiprocessing/process.py", line 149 in join File "/Users/buildbot/buildarea/3.x.parc-leopard-1/build/Lib/multiprocessing/pool.py", line 458 in join File "/Users/buildbot/buildarea/3.x.parc-leopard-1/build/Lib/test/test_multiprocessing.py", line 1195 in test_pool_worker_lifetime File "/Users/buildbot/buildarea/3.x.parc-leopard-1/build/Lib/unittest/case.py", line 387 in _executeTestPart File "/Users/buildbot/buildarea/3.x.parc-leopard-1/build/Lib/unittest/case.py", line 442 in run File "/Users/buildbot/buildarea/3.x.parc-leopard-1/build/Lib/unittest/case.py", line 494 in __call__ File "/Users/buildbot/buildarea/3.x.parc-leopard-1/build/Lib/unittest/suite.py", line 105 in run File "/Users/buildbot/buildarea/3.x.parc-leopard-1/build/Lib/unittest/suite.py", line 67 in __call__ File "/Users/buildbot/buildarea/3.x.parc-leopard-1/build/Lib/unittest/suite.py", line 105 in run File "/Users/buildbot/buildarea/3.x.parc-leopard-1/build/Lib/unittest/suite.py", line 67 in __call__ File "/Users/buildbot/buildarea/3.x.parc-leopard-1/build/Lib/unittest/suite.py", line 105 in run File "/Users/buildbot/buildarea/3.x.parc-leopard-1/build/Lib/unittest/suite.py", line 67 in __call__ File "/Users/buildbot/buildarea/3.x.parc-leopard-1/build/Lib/test/support.py", line 1078 in run File "/Users/buildbot/buildarea/3.x.parc-leopard-1/build/Lib/test/support.py", line 1166 in _run_suite File "/Users/buildbot/buildarea/3.x.parc-leopard-1/build/Lib/test/support.py", line 1192 in run_unittest File "/Users/buildbot/buildarea/3.x.parc-leopard-1/build/Lib/test/test_multiprocessing.py", line 2141 in test_main File "./Lib/test/regrtest.py", line 1032 in runtest_inner File "./Lib/test/regrtest.py", line 826 in runtest File "./Lib/test/regrtest.py", line 650 in main File "./Lib/test/regrtest.py", line 1607 in <module> make: *** [buildbottest] Error 1 ------------------------------- http://www.python.org/dev/buildbot/all/builders/PPC%20Leopard%203.x/builds/1634/steps/test/logs/stdio * The main thread (thread 0xa09e1820) is joining the pool (p.join()), wait in Popen.poll(): os.waitpid(self.pid, 0) * There are 4 workers waiting on their get() function, _Condition.wait(): if timeout is None: waiter.acquire() * The multiprocess Pool has 3 threads: * _handle_workers() (Thread 0xf0513000) is waiting in its polling loop: while pool._worker_handler._state == RUN and pool._state == RUN: pool._maintain_pool() time.sleep(0.1) * _handle_tasks() (thread 0xf0595000) is waiting on taskqueue.get() * _handle_results() (thread 0xf0617000) is waiting on get() method of another Queue The main thread is waiting a child process, but we don't have the state of this process. ---------- _______________________________________ Python tracker <rep...@bugs.python.org> <http://bugs.python.org/issue8428> _______________________________________ _______________________________________________ Python-bugs-list mailing list Unsubscribe: http://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
