Testsuite crashes when running on sparc64 due to unaligned access (Bus error)

[glaubitz]

The testsuite crashes when running on sparc64 due to unaligned access (Bus error):

============================= test session starts ==============================
platform linux -- Python 3.13.9, pytest-8.4.2, pluggy-1.6.0 -- /usr/bin/python3.13
cachedir: .pytest_cache
rootdir: /build/reproducible-path/python-pyglm-2.8.2/.pybuild/cpython3_3.13/build
configfile: pyproject.toml
plugins: typeguard-4.4.4
collecting ... collected 179 items

test/PyGLM_test.py::test_specific PASSED                                 [  0%]
test/PyGLM_test.py::test_custom PASSED                                   [  1%]
test/PyGLM_test.py::test_vec1_types PASSED                               [  1%]
test/PyGLM_test.py::test_vec2_types PASSED                               [  2%]
test/PyGLM_test.py::test_vec3_types PASSED                               [  2%]
test/PyGLM_test.py::test_vec4_types PASSED                               [  3%]
test/PyGLM_test.py::test_mat_types PASSED                                [  3%]
test/PyGLM_test.py::test_quat_types PASSED                               [  4%]
test/PyGLM_test.py::test_dquat_types PASSED                              [  5%]
test/PyGLM_test.py::test_array_types PASSED                              [  5%]
test/PyGLM_test.py::test_repr_eval Fatal Python error: Bus error

Current thread 0xfff800010002cec0 (most recent call first):
  File "<string>", line 1 in <module>
  File "/build/reproducible-path/python-pyglm-2.8.2/.pybuild/cpython3_3.13/build/test/PyGLM_test.py", line 666 in <lambda>
  File "/build/reproducible-path/python-pyglm-2.8.2/.pybuild/cpython3_3.13/build/test/PyGLM_test.py", line 461 in fassert
  File "/build/reproducible-path/python-pyglm-2.8.2/.pybuild/cpython3_3.13/build/test/PyGLM_test.py", line 666 in test_repr_eval
  File "/usr/lib/python3/dist-packages/_pytest/python.py", line 157 in pytest_pyfunc_call
  File "/usr/lib/python3/dist-packages/pluggy/_callers.py", line 121 in _multicall
  File "/usr/lib/python3/dist-packages/pluggy/_manager.py", line 120 in _hookexec
  File "/usr/lib/python3/dist-packages/pluggy/_hooks.py", line 512 in __call__
  File "/usr/lib/python3/dist-packages/_pytest/python.py", line 1671 in runtest
  File "/usr/lib/python3/dist-packages/_pytest/runner.py", line 178 in pytest_runtest_call
  File "/usr/lib/python3/dist-packages/pluggy/_callers.py", line 121 in _multicall
  File "/usr/lib/python3/dist-packages/pluggy/_manager.py", line 120 in _hookexec
  File "/usr/lib/python3/dist-packages/pluggy/_hooks.py", line 512 in __call__
  File "/usr/lib/python3/dist-packages/_pytest/runner.py", line 246 in <lambda>
  File "/usr/lib/python3/dist-packages/_pytest/runner.py", line 344 in from_call
  File "/usr/lib/python3/dist-packages/_pytest/runner.py", line 245 in call_and_report
  File "/usr/lib/python3/dist-packages/_pytest/runner.py", line 136 in runtestprotocol
  File "/usr/lib/python3/dist-packages/_pytest/runner.py", line 117 in pytest_runtest_protocol
  File "/usr/lib/python3/dist-packages/pluggy/_callers.py", line 121 in _multicall
  File "/usr/lib/python3/dist-packages/pluggy/_manager.py", line 120 in _hookexec
  File "/usr/lib/python3/dist-packages/pluggy/_hooks.py", line 512 in __call__
  File "/usr/lib/python3/dist-packages/_pytest/main.py", line 367 in pytest_runtestloop
  File "/usr/lib/python3/dist-packages/pluggy/_callers.py", line 121 in _multicall
  File "/usr/lib/python3/dist-packages/pluggy/_manager.py", line 120 in _hookexec
  File "/usr/lib/python3/dist-packages/pluggy/_hooks.py", line 512 in __call__
  File "/usr/lib/python3/dist-packages/_pytest/main.py", line 343 in _main
  File "/usr/lib/python3/dist-packages/_pytest/main.py", line 289 in wrap_session
  File "/usr/lib/python3/dist-packages/_pytest/main.py", line 336 in pytest_cmdline_main
  File "/usr/lib/python3/dist-packages/pluggy/_callers.py", line 121 in _multicall
  File "/usr/lib/python3/dist-packages/pluggy/_manager.py", line 120 in _hookexec
  File "/usr/lib/python3/dist-packages/pluggy/_hooks.py", line 512 in __call__
  File "/usr/lib/python3/dist-packages/_pytest/config/__init__.py", line 175 in main
  File "/usr/lib/python3/dist-packages/_pytest/config/__init__.py", line 201 in console_main
  File "/usr/lib/python3/dist-packages/pytest/__main__.py", line 9 in <module>
  File "<frozen runpy>", line 88 in _run_code
  File "<frozen runpy>", line 198 in _run_module_as_main

Extension modules: pyglm.glm (total: 1)
Bus error
E: pybuild pybuild:389: test: plugin distutils failed with: exit code=138: cd /build/reproducible-path/python-pyglm-2.8.2/.pybuild/cpython3_3.13/build; {interpreter} -m pytest --verbose test/PyGLM_test.py

Full build log available at: https://buildd.debian.org/status/fetch.php?pkg=python-pyglm&arch=sparc64&ver=2.8.2-2&stamp=1762636679&raw=0

This is usually easy to debug and fix with the help of GDB.

Access to a SPARC machine is available through the GCC Compile Farm: https://gcc.gnu.org/wiki/CompileFarm