The Buildbot has detected a new failure on builder iOS ARM64 Simulator 3.x
while building python/cpython.
Full details are available at:
https://buildbot.python.org/all/#/builders/1380/builds/238
Buildbot URL: https://buildbot.python.org/all/
Worker for this Build: rkm-arm64-ios-simulator
Build Reason: <unknown>
Blamelist: Dino Viehland <dinoviehl...@meta.com>
BUILD FAILED: failed test (failure)
Summary of the results of the build (if available):
===================================================
==
Captured traceback
==================
Traceback (most recent call last):
File
"/Users/buildbot/Library/Developer/XCTestDevices/2E72F7FC-E4ED-40AC-B022-F9C50E4B0A1E/data/Containers/Bundle/Application/4CB60694-FBAA-49BE-969E-073C108C659C/iOSTestbed.app/python/lib/python3.13/test/test_free_threading/test_type.py",
line 37, in test_attr_cache
with Pool(NTHREADS) as pool:
~~~~^^^^^^^^^^
File
"/Users/buildbot/Library/Developer/XCTestDevices/2E72F7FC-E4ED-40AC-B022-F9C50E4B0A1E/data/Containers/Bundle/Application/4CB60694-FBAA-49BE-969E-073C108C659C/iOSTestbed.app/python/lib/python3.13/multiprocessing/dummy/__init__.py",
line 124, in Pool
return ThreadPool(processes, initializer, initargs)
File
"/Users/buildbot/Library/Developer/XCTestDevices/2E72F7FC-E4ED-40AC-B022-F9C50E4B0A1E/data/Containers/Bundle/Application/4CB60694-FBAA-49BE-969E-073C108C659C/iOSTestbed.app/python/lib/python3.13/multiprocessing/pool.py",
line 930, in __init__
Pool.__init__(self, processes, initializer, initargs)
~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File
"/Users/buildbot/Library/Developer/XCTestDevices/2E72F7FC-E4ED-40AC-B022-F9C50E4B0A1E/data/Containers/Bundle/Application/4CB60694-FBAA-49BE-969E-073C108C659C/iOSTestbed.app/python/lib/python3.13/multiprocessing/pool.py",
line 196, in __init__
self._change_notifier = self._ctx.SimpleQueue()
~~~~~~~~~~~~~~~~~~~~~^^
File
"/Users/buildbot/Library/Developer/XCTestDevices/2E72F7FC-E4ED-40AC-B022-F9C50E4B0A1E/data/Containers/Bundle/Application/4CB60694-FBAA-49BE-969E-073C108C659C/iOSTestbed.app/python/lib/python3.13/multiprocessing/context.py",
line 113, in SimpleQueue
return SimpleQueue(ctx=self.get_context())
File
"/Users/buildbot/Library/Developer/XCTestDevices/2E72F7FC-E4ED-40AC-B022-F9C50E4B0A1E/data/Containers/Bundle/Application/4CB60694-FBAA-49BE-969E-073C108C659C/iOSTestbed.app/python/lib/python3.13/multiprocessing/queues.py",
line 361, in __init__
self._rlock = ctx.Lock()
~~~~~~~~^^
File
"/Users/buildbot/Library/Developer/XCTestDevices/2E72F7FC-E4ED-40AC-B022-F9C50E4B0A1E/data/Containers/Bundle/Application/4CB60694-FBAA-49BE-969E-073C108C659C/iOSTestbed.app/python/lib/python3.13/multiprocessing/context.py",
line 67, in Lock
from .synchronize import Lock
File
"/Users/buildbot/Library/Developer/XCTestDevices/2E72F7FC-E4ED-40AC-B022-F9C50E4B0A1E/data/Containers/Bundle/Application/4CB60694-FBAA-49BE-969E-073C108C659C/iOSTestbed.app/python/lib/python3.13/multiprocessing/synchronize.py",
line 17, in <module>
import _multiprocessing
ModuleNotFoundError: No module named '_multiprocessing'
Test report
===========
Failed tests:
- test_free_threading
Failed subtests:
- test_attr_cache - test.test_free_threading.test_type.TestType.test_attr_cache
Sincerely,
-The Buildbot
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