PPC64LE RHEL8 3.x buildbot is timing out on test_gdb #104735
Description
Buildbot https://buildbot.python.org/all/#/builders/559 has been failing since May 12 with a failure like this:
test_pycfunction (test.test_gdb.PyBtTests.test_pycfunction)
Timeout (0:15:00)!
Thread 0x00007fff97a24d90 (most recent call first):
File "/home/buildbot/buildarea/3.x.cstratak-RHEL8-ppc64le/build/Lib/selectors.py", line 415 in select
File "/home/buildbot/buildarea/3.x.cstratak-RHEL8-ppc64le/build/Lib/subprocess.py", line 2075 in _communicate
File "/home/buildbot/buildarea/3.x.cstratak-RHEL8-ppc64le/build/Lib/subprocess.py", line 1207 in communicate
File "/home/buildbot/buildarea/3.x.cstratak-RHEL8-ppc64le/build/Lib/test/test_gdb.py", line 112 in run_gdb
File "/home/buildbot/buildarea/3.x.cstratak-RHEL8-ppc64le/build/Lib/test/test_gdb.py", line 229 in get_stack_trace
File "/home/buildbot/buildarea/3.x.cstratak-RHEL8-ppc64le/build/Lib/test/test_gdb.py", line 936 in test_pycfunction
It last passed on commit 718b132 and succeeded on a052be4, suggesting that the culprit is one of these commits:
- a052be4 PEP 688: Crash if
__release_buffer__is called while an exception is active #104371: check return value of callingmv.release(GH-104371: check return value of callingmv.release#104417) - 5b8cd5a
test_typingfails refleak tests #104415: Fix refleak tests fortyping.ByteStringdeprecation (gh-104415: Fix refleak tests fortyping.ByteStringdeprecation #104416) - d50c37d Use hypothesis for testing the standard library, falling back to stubs #86275: Implementation of hypothesis stubs for property-based tests, with zoneinfo tests (GH-86275: Implementation of hypothesis stubs for property-based tests, with zoneinfo tests #22863)
- 45f5aa8 Implement and document PEP 669. #103082: Filter LINE events in VM, to simplify tool implementation. (GH-103082: Filter LINE events in VM, to simplify tool implementation. #104387)
- 19ee53d Split up _testcapimodule.c #93649: Split gc- and allocation tests from _testcapimodule.c (gh-93649: Split gc- and allocation tests from _testcapimodule.c #104403)
- b2c1b4d Make it possible to mark Argument Clinic args as unused #104389: Add 'unused' keyword to Argument Clinic C converters (gh-104389: Add 'unused' keyword to Argument Clinic C converters #104390)
- 15795b5 Isolate the
_ioextension module #101819: Prepare _io._IOBase for module state (gh-101819: Prepare _io._IOBase for module state #104386)