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PyCharm pydevd debug crash #240
Description
i'm using Python 3.7.5 x86-64: stackless-3.7.5-amd64.exe (26857280 Byte) (md5 f85ecddb2f4d83990ad764bd7c5c8aa8) .
using PyCharm to debug a hello world program, the python process wil crash, and error code is 0xC0000005.
here is log:
D:\Stackless37\python.exe "C:\Program Files\JetBrains\PyCharm Community Edition 2021.1\plugins\python-ce\helpers\pydev\pydevd.py" --multiproc --qt-support=auto --client 127.0.0.1 --port 50654 --file D:/tttt/hello.py
Connected to pydev debugger (build 211.6693.115)
Process finished with exit code -1073741819 (0xC0000005)
Activity
akruis commentedon Apr 20, 2021
Hello egmkang,
thank you for the report. The exit code 0xC0000005 indicates an access violation. Could you please provide the source code of D:/tttt/hello.py. Does the crash also happen without the debugger attached?
Regards
Anselm
egmkang commentedon Apr 21, 2021
just one line
print("hello world"), and use PyCharm todebugthis file, it will crash.runthis file is okakruis commentedon Apr 22, 2021
I can reproduce the crash.
akruis commentedon Apr 23, 2021
PyCharm - more precisely the debugger component pydevd - optionally uses the frame evaluation API "eval_frame" defined in PEP 523. Stackless can't support this API, because it evaluates frames quite differently than regular C-Python.
Fortunately there is a simple workaround: set the environment variable
PYDEVD_USE_FRAME_EVAL=NO:A patch for pydevd to disable frame eval for Stackless would be good too.
[-]PyCharm debug crash[/-][+]PyCharm pydevd debug crash[/+]akruis commentedon Apr 23, 2021
pull request for pydevd created
gemerden commentedon May 10, 2021
I have this issue (i think) but setting PYDEVD_USE_FRAME_EVAL=NO did not work for me. I have created an issue: https://youtrack.jetbrains.com/issue/PY-48739
akruis commentedon May 10, 2021
First, double check, that Python actually sees the environment setting. Run:
You may also try the set the environment variable
PYDEVD_USE_CYTHON=NO. Previous versions of cython were not compatible with Stackless Python (see #168) and Pycharm uses cython.gemerden commentedon May 10, 2021
Perfect, thanks, that solved my problem!
In the 'set environment variables' part of the run/debug dialog in PyCharm, i was separating the variables with "; " (space) instead of ";" (no space). This set the wrong (or no) variable. Umpfff.
Will also report to PyCharm issues.