Bug 16348

Summary: AB-INT PTEST: python3 ptest failure: in test_interrupt
Product: [QA/Testing] Package Testing (ptest) Reporter: João Marcos Costa <joaomarcos.costa>
Component: ptestAssignee: Kris Gavvala <kris.gavvala>
Status: RESOLVED FIXED QA Contact:
Severity: normal    
Priority: Medium+ CC: mathieu.dubois-briand, randy.macleod, richard.purdie, yoann.congal
Version: unspecified   
Target Milestone: 6.1 M3   
Hardware: x86   
OS: Multiple   
Whiteboard: AB-INT
OS type for building Yocto: --- Type of Regression: ---
Verified: Documentation change: Don't know

Description João Marcos Costa 2026-07-03 08:57:23 UTC 
https://autobuilder.yoctoproject.org/valkyrie/#/builders/110/builds/609/steps/13/logs/stdio

Failed ptests:
{'python3': ['test_interrupt', 'python3']}

qemux86-64-musl-ptest debian13-vk-1

---
FAIL: test_interrupt (test.test_multiprocessing_fork.test_processes.WithProcessesTestProcess.test_interrupt)
(...)
Warning -- Dangling processes: {<Process name='Process-140' pid=7313 parent=4810 started daemon>}
(...)
Warning -- Dangling processes: {<Process name='Process-140' pid=7313 parent=4810 started daemon>}

======================================================================
ERROR: test_interrupt (test.test_multiprocessing_fork.test_processes.WithProcessesTestProcess.test_interrupt)
----------------------------------------------------------------------
Traceback (most recent call last):
  File "/usr/lib/python3.14/test/_test_multiprocessing.py", line 640, in test_interrupt
    exitcode = self._kill_process(multiprocessing.Process.interrupt)
  File "/usr/lib/python3.14/test/_test_multiprocessing.py", line 622, in _kill_process
    self.assertEqual(join(), None)
                     ~~~~^^
  File "/usr/lib/python3.14/test/_test_multiprocessing.py", line 302, in __call__
    return self.func(*args, **kwds)
           ~~~~~~~~~^^^^^^^^^^^^^^^
  File "/usr/lib/python3.14/multiprocessing/process.py", line 156, in join
    res = self._popen.wait(timeout)
  File "/usr/lib/python3.14/multiprocessing/popen_fork.py", line 44, in wait
    return self.poll(os.WNOHANG if timeout == 0.0 else 0)
           ~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/lib/python3.14/multiprocessing/popen_fork.py", line 28, in poll
    pid, sts = os.waitpid(self.pid, flag)
               ~~~~~~~~~~^^^^^^^^^^^^^^^^
  File "/usr/lib/python3.14/test/_test_multiprocessing.py", line 618, in handler
    raise RuntimeError('join took too long: %s' % p)
RuntimeError: join took too long: <Process name='Process-140' pid=7313 parent=4810 started daemon>
---

Full logs at: https://valkyrie.yocto.io/pub/non-release/20260625-73/testresults/qemux86-64-musl-ptest/python3.log

I'm opening a bug for this one so we can track how often it happens and have a better idea on whether we should disable it or not.
Comment 1 Mathieu Dubois-Briand 2026-07-09 15:39:15 UTC 
qemux86-64-musl-ptest alma8-vk-2 master&master-next completed at 2026-07-07 12:50:21+00:00
https://valkyrie.yocto.io/pub/non-release/20260707-70/testresults/qemux86-64-musl-ptest/
https://autobuilder.yoctoproject.org/valkyrie/#/builders/110/builds/675/steps/14/logs/stdio
Comment 2 Mathieu Dubois-Briand 2026-08-17 08:29:30 UTC 
qemux86-64-musl-ptest fedora43-vk-2 mathieu/master-next completed at 2026-08-15 07:49:02+00:00
https://valkyrie.yocto.io/pub/non-release/20260815-47/testresults/qemux86-64-musl-ptest/
https://autobuilder.yoctoproject.org/valkyrie/#/builders/110/builds/957/steps/15/logs/stdio
Comment 4 Yoann Congal 2026-09-17 21:36:10 UTC 
qemux86-64-musl-ptest ubuntu2404-vk-1 wrynose completed at 2026-09-17 17:35:50+00:00
https://autobuilder.yoctoproject.org/valkyrie/?#/builders/110/builds/1210

I need to backport on wrynose: 
"python3: ptest: skip flaky test_interrupt on musl"
https://git.openembedded.org/openembedded-core/commit/?id=7a7fbf9028bb1f84a3638d06fb1f56f44f258c48