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_testcapi.set_nomemoy(0) will raise fatal error when --with-pydebug --with-trace-refs #138688
Closed as not planned
Description
Bug report
Bug description:
./configure --with-pydebug --with-trace-refs
make -j16
./python
more can check #138491 cc @ZeroIntensity
import _testcapi
_testcapi.set_nomeory(0)Python 3.15.0a0 (heads/main:5edfe55acf2, Sep 9 2025, 09:49:31) [GCC 11.5.0 20240719 (Red Hat 11.5.0-5)] on linux
Type "help", "copyright", "credits" or "license" for more information.
^[[A>>> import _testcapi
KeyboardInterrupt
import _testcapi
_testcapi.set_nomemory(0)
Fatal Python error: _PyRefchain_Trace: _Py_hashtable_set() memory allocation failed
Python runtime state: initialized
Current thread 0x0000ffffa2ca8020 [python] (most recent call first):
File "/home/hyi/cpython/Lib/_pyrepl/console.py", line 182 in runcode
File "/home/hyi/cpython/Lib/_pyrepl/console.py", line 239 in runsource
File "/home/hyi/cpython/Lib/code.py", line 324 in push
File "/home/hyi/cpython/Lib/_pyrepl/simple_interact.py", line 151 in run_multiline_interactive_console
File "/home/hyi/cpython/Lib/_pyrepl/main.py", line 58 in interactive_console
Extension modules: _testcapi (total: 1)
Aborted
CPython versions tested on:
CPython main branch
Operating systems tested on:
Other
Activity
yihong0618 commentedon Sep 9, 2025
after check
this is a known issue so closing this
code: