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NUnit Embedded tests fail occasionally on Python3 #364
Description
Environment
- Pythonnet version: Current
- Python version: 3.3+
- Operating System: Windows
Details
- Describe what you were trying to get done.
Run Unit tests on AppVeyor
- If there was a crash, please include the traceback here.
Execution Runtime: net-3.5
OpenCover.Console.exe :
At C:\projects\pythonnet\ci\appveyor_run_tests.ps1:22 char:1
+ .$OPENCOVER -register:user -searchdirs:"$RUNTIME_DIR" -output:cs.cove ...
+ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+ CategoryInfo : NotSpecified: (:String) [], RemoteException
+ FullyQualifiedErrorId : NativeCommandError
Unhandled Exception: System.AccessViolationException: Attempted to read or write protected memory. This is often an indication that other memory is corrupt.
at Python.Runtime.Runtime.PyGILState_Ensure()
at Python.Runtime.PythonEngine.AcquireLock() in C:\projects\pythonnet\src\runtime\pythonengine.cs:line 309
at Python.Runtime.PyObject.Dispose(Boolean disposing) in C:\projects\pythonnet\src\runtime\pyobject.cs:line 118
at Python.Runtime.PyObject.Dispose() in C:\projects\pythonnet\src\runtime\pyobject.cs:line 129
at Python.Runtime.PyObject.Finalize() in C:\projects\pythonnet\src\runtime\pyobject.cs:line 46
Fatal Python error: take_gil: NULL tstate
...F.Unhandled Exception:
Possibly related
https://bugs.python.org/issue26003
https://bugs.python.org/issue19576
https://bugs.python.org/issue20891
http://stackoverflow.com/questions/4866701/python-pygilstate-ensure-release-causes-segfault-while-returning-to-c-from-p
Activity
vmuriart commented on Feb 7, 2017
Related to this currently we are running the embedded tests, but ignoring the exit code from nunit.
That is by design till this issue is fixed. Looks to be a race condition from what the links above mention, and how often/rare it shows up. I can't reproduce it locally though
Fix GC on PyObject during Finalizing
Rebase with master (#2)