GeezerVison is showing github.com — gh-135906: Test more internal headers in test_cppext by vstinner · Pull Request #144751 · python/cpython
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vstinner
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Feb 12, 2026
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Test more internal headers in test_cext and test_cppext.
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Test more internal headers in test_cext and test_cppext.
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⚠️⚠️⚠️ Buildbot failure ⚠️⚠️⚠️
Hi! The buildbot s390x RHEL9 LTO + PGO 3.x (tier-3) has failed when building commit b488f33.
What do you need to do:
- Don't panic.
- Check the buildbot page in the devguide if you don't know what the buildbots are or how they work.
- Go to the page of the buildbot that failed (https://buildbot.python.org/#/builders/1578/builds/4124) and take a look at the build logs.
- Check if the failure is related to this commit (b488f33) or if it is a false positive.
- If the failure is related to this commit, please, reflect that on the issue and make a new Pull Request with a fix.
You can take a look at the buildbot page here:
https://buildbot.python.org/#/builders/1578/builds/4124
Summary of the results of the build (if available):
Click to see traceback logs
remote: Enumerating objects: 8, done.
remote: Counting objects: 16% (1/6)
remote: Counting objects: 33% (2/6)
remote: Counting objects: 50% (3/6)
remote: Counting objects: 66% (4/6)
remote: Counting objects: 83% (5/6)
remote: Counting objects: 100% (6/6)
remote: Counting objects: 100% (6/6), done.
remote: Compressing objects: 33% (1/3)
remote: Compressing objects: 66% (2/3)
remote: Compressing objects: 100% (3/3)
remote: Compressing objects: 100% (3/3), done.
remote: Total 8 (delta 3), reused 3 (delta 3), pack-reused 2 (from 1)
From https://github.com/python/cpython
* branch main -> FETCH_HEAD
Note: switching to 'b488f338cf058f46cbf0255023ca1c1669b0eb44'.
You are in 'detached HEAD' state. You can look around, make experimental
changes and commit them, and you can discard any commits you make in this
state without impacting any branches by switching back to a branch.
If you want to create a new branch to retain commits you create, you may
do so (now or later) by using -c with the switch command. Example:
git switch -c <new-branch-name>
Or undo this operation with:
git switch -
Turn off this advice by setting config variable advice.detachedHead to false
HEAD is now at b488f338cf0 gh-135906: Test more internal headers in test_cext/test_cppext (#144751)
Switched to and reset branch 'main'
find: ‘build’: No such file or directory
find: ‘build’: No such file or directory
find: ‘build’: No such file or directory
find: ‘build’: No such file or directory
make[2]: [Makefile:3444: clean-retain-profile] Error 1 (ignored)
lto-wrapper: warning: using serial compilation of 4 LTRANS jobs
lto-wrapper: warning: using serial compilation of 4 LTRANS jobs
lto-wrapper: warning: using serial compilation of 6 LTRANS jobs
lto-wrapper: warning: using serial compilation of 2 LTRANS jobs
lto-wrapper: warning: using serial compilation of 3 LTRANS jobs
lto-wrapper: warning: using serial compilation of 4 LTRANS jobs
lto-wrapper: warning: using serial compilation of 3 LTRANS jobs
lto-wrapper: warning: using serial compilation of 3 LTRANS jobs
lto-wrapper: warning: using serial compilation of 2 LTRANS jobs
lto-wrapper: warning: using serial compilation of 3 LTRANS jobs
lto-wrapper: warning: using serial compilation of 7 LTRANS jobs
lto-wrapper: warning: using serial compilation of 4 LTRANS jobs
lto-wrapper: warning: using serial compilation of 3 LTRANS jobs
lto-wrapper: warning: using serial compilation of 2 LTRANS jobs
lto-wrapper: warning: using serial compilation of 3 LTRANS jobs
lto-wrapper: warning: using serial compilation of 128 LTRANS jobs
lto-wrapper: warning: using serial compilation of 6 LTRANS jobs
lto-wrapper: warning: using serial compilation of 2 LTRANS jobs
lto-wrapper: warning: using serial compilation of 128 LTRANS jobs
lto-wrapper: warning: using serial compilation of 128 LTRANS jobs
during IPA pass: profile
./Modules/posixmodule.c: In function ‘fill_time’:
./Modules/posixmodule.c:18833:1: internal compiler error: Segmentation fault
18833 | }
| ^
Please submit a full bug report,
with preprocessed source if appropriate.
See <http://bugzilla.redhat.com/bugzilla> for instructions.
Preprocessed source stored into /tmp/cc3zWzGo.out file, please attach this to your bugreport.
make[1]: *** [Makefile:3890: Modules/posixmodule.o] Error 1
make[1]: *** Waiting for unfinished jobs....
Python/ceval.c: In function ‘_Py_BuildMap_StackRefSteal’:
Python/ceval.c:992:11: warning: ‘args_o_temp’ may be used uninitialized [-Wmaybe-uninitialized]
992 | res = _PyDict_FromItems(
| ^~~~~~~~~~~~~~~~~~
993 | args_o, 2,
| ~~~~~~~~~~
994 | args_o+1, 2,
| ~~~~~~~~~~~~
995 | half_args
| ~~~~~~~~~
996 | );
| ~
In file included from Python/ceval.h:11,
from Python/ceval.c:3:
./Include/internal/pycore_dict.h:300:23: note: by argument 3 of type ‘struct PyObject * const *’ to ‘_PyDict_FromItems’ declared here
300 | PyAPI_FUNC(PyObject *)_PyDict_FromItems(
| ^~~~~~~~~~~~~~~~~
In file included from Python/ceval.c:696:
Python/ceval.c:987:52: note: ‘args_o_temp’ declared here
987 | STACKREFS_TO_PYOBJECTS(arguments, half_args*2, args_o);
| ^~~~~~
Python/ceval.c: In function ‘_PyCallMethodDescriptorFast_StackRefSteal’:
Python/ceval.c:879:11: warning: ‘args_o_temp’ may be used uninitialized [-Wmaybe-uninitialized]
879 | res = cfunc(self, (args_o + 1), total_args - 1);
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Python/ceval.c:879:11: note: by argument 2 of type ‘struct PyObject * const *’ to ‘struct PyObject * <Td5d> (struct PyObject *, struct PyObject * const *, Py_ssize_t)’
In file included from Python/ceval.c:696:
Python/ceval.c:870:51: note: ‘args_o_temp’ declared here
870 | STACKREFS_TO_PYOBJECTS(arguments, total_args, args_o);
| ^~~~~~
Python/ceval.c:879:11: warning: ‘_232’ may be used uninitialized [-Wmaybe-uninitialized]
879 | res = cfunc(self, (args_o + 1), total_args - 1);
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Python/ceval.c:879:11: note: by argument 2 of type ‘struct PyObject * const *’ to ‘struct PyObject * <Td5d> (struct PyObject *, struct PyObject * const *, Py_ssize_t)’
In file included from Python/ceval.c:696:
Python/ceval.c:870:51: note: ‘args_o_temp’ declared here
870 | STACKREFS_TO_PYOBJECTS(arguments, total_args, args_o);
| ^~~~~~
Python/ceval.c: In function ‘_PyCallMethodDescriptorFastWithKeywords_StackRefSteal’:
Python/ceval.c:913:11: warning: ‘args_o_temp’ may be used uninitialized [-Wmaybe-uninitialized]
913 | res = cfunc(self, (args_o + 1), total_args-1, NULL);
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Python/ceval.c:913:11: note: by argument 2 of type ‘struct PyObject * const *’ to ‘struct PyObject * <Td63> (struct PyObject *, struct PyObject * const *, Py_ssize_t, struct PyObject *)’
In file included from Python/ceval.c:696:
Python/ceval.c:903:51: note: ‘args_o_temp’ declared here
903 | STACKREFS_TO_PYOBJECTS(arguments, total_args, args_o);
| ^~~~~~
Python/ceval.c:913:11: warning: ‘_232’ may be used uninitialized [-Wmaybe-uninitialized]
913 | res = cfunc(self, (args_o + 1), total_args-1, NULL);
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Python/ceval.c:913:11: note: by argument 2 of type ‘struct PyObject * const *’ to ‘struct PyObject * <Td63> (struct PyObject *, struct PyObject * const *, Py_ssize_t, struct PyObject *)’
In file included from Python/ceval.c:696:
Python/ceval.c:903:51: note: ‘args_o_temp’ declared here
903 | STACKREFS_TO_PYOBJECTS(arguments, total_args, args_o);
| ^~~~~~
make: *** [Makefile:1042: profile-opt] Error 2
|
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ljfp
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Apr 25, 2026
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