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Bug description:
I try to build Python 3.14.0b1 on Fedora Linux 42, 41, 40, the test has failed so far (the list is incomplete) for debug and freethreading-debug builds, on x86_64, i686, aarch64 arches. Traceback is in all cases similar with the difference of pipe_handle argument value.
Re-running test.test_multiprocessing_spawn.test_processes in verbose mode (matching: test_interrupt)
test_interrupt (test.test_multiprocessing_spawn.test_processes.WithProcessesTestProcess.test_interrupt) ... Traceback (most recent call last):
File "<string>", line 1, in <module>
from multiprocessing.spawn import spawn_main; spawn_main(tracker_fd=5, pipe_handle=7)
~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/builddir/build/BUILD/Python-3.14.0b1/Lib/multiprocessing/spawn.py", line 122, in spawn_main
exitcode = _main(fd, parent_sentinel)
File "/builddir/build/BUILD/Python-3.14.0b1/Lib/multiprocessing/spawn.py", line 131, in _main
prepare(preparation_data)
~~~~~~~^^^^^^^^^^^^^^^^^^
File "/builddir/build/BUILD/Python-3.14.0b1/Lib/multiprocessing/spawn.py", line 244, in prepare
_fixup_main_from_name(data['init_main_from_name'])
~~~~~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/builddir/build/BUILD/Python-3.14.0b1/Lib/multiprocessing/spawn.py", line 268, in _fixup_main_from_name
main_content = runpy.run_module(mod_name,
run_name="__mp_main__",
alter_sys=True)
File "/builddir/build/BUILD/Python-3.14.0b1/Lib/runpy.py", line 226, in run_module
return _run_module_code(code, init_globals, run_name, mod_spec)
File "/builddir/build/BUILD/Python-3.14.0b1/Lib/runpy.py", line 98, in _run_module_code
_run_code(code, mod_globals, init_globals,
~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
mod_name, mod_spec, pkg_name, script_name)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/builddir/build/BUILD/Python-3.14.0b1/Lib/runpy.py", line 88, in _run_code
exec(code, run_globals)
~~~~^^^^^^^^^^^^^^^^^^^
File "/builddir/build/BUILD/Python-3.14.0b1/Lib/test/libregrtest/worker.py", line 8, in <module>
from .setup import setup_process, setup_test_dir
File "/builddir/build/BUILD/Python-3.14.0b1/Lib/test/libregrtest/setup.py", line 12, in <module>
from .runtests import RunTests
File "/builddir/build/BUILD/Python-3.14.0b1/Lib/test/libregrtest/runtests.py", line 194, in <module>
@dataclasses.dataclass(slots=True, frozen=True)
~~~~~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^
File "/builddir/build/BUILD/Python-3.14.0b1/Lib/dataclasses.py", line 1362, in wrap
return _process_class(cls, init, repr, eq, order, unsafe_hash,
frozen, match_args, kw_only, slots,
weakref_slot)
File "/builddir/build/BUILD/Python-3.14.0b1/Lib/dataclasses.py", line 1163, in _process_class
func_builder.add_fns_to_class(cls)
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^^^^^
File "/builddir/build/BUILD/Python-3.14.0b1/Lib/dataclasses.py", line 507, in add_fns_to_class
fns = ns['__create_fn__'](**self.locals)
File "<string>", line 28, in __create_fn__
File "/builddir/build/BUILD/Python-3.14.0b1/Lib/reprlib.py", line 32, in decorating_function
wrapper.__type_params__ = getattr(user_function, '__type_params__', ())
~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
KeyboardInterrupt
FAIL
======================================================================
FAIL: test_interrupt (test.test_multiprocessing_spawn.test_processes.WithProcessesTestProcess.test_interrupt)
----------------------------------------------------------------------
Traceback (most recent call last):
File "/builddir/build/BUILD/Python-3.14.0b1/Lib/test/_test_multiprocessing.py", line 578, in test_interrupt
self.assertEqual(exitcode, 1)
~~~~~~~~~~~~~~~~^^^^^^^^^^^^^
AssertionError: -2 != 1
CPython versions tested on:
3.14
Operating systems tested on:
Linux
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Tests in the Lib/test dirTests in the Lib/test dirAn unexpected behavior, bug, or errorAn unexpected behavior, bug, or error