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Can train, but failed to load libcoreclr, libsystem, libdl.

Discussion in 'ML-Agents' started by MarkTension, Jun 23, 2020.

  1. MarkTension

    MarkTension

    Joined:
    Aug 17, 2019
    Posts:
    43
    My custom environment runs and can train, however it crashes every so often due to a time-out error in my command prompt:

    Code (CSharp):
    1. File "c:\users\zotac\desktop\mltemp\ml-agents-release_2\ml-agents-envs\mlagents_envs\timers.py", line 305, in wrapped
    2.     return func(*args, **kwargs)
    3.   File "c:\users\zotac\desktop\mltemp\ml-agents-release_2\ml-agents\mlagents\trainers\trainer_controller.py", line 225, in start_learning
    4.     external_brain_behavior_ids = set(env_manager.external_brains.keys())
    5.   File "c:\users\zotac\desktop\mltemp\ml-agents-release_2\ml-agents\mlagents\trainers\subprocess_env_manager.py", line 301, in external_brains
    6.     return self.env_workers[0].recv().payload
    7.   File "c:\users\zotac\desktop\mltemp\ml-agents-release_2\ml-agents\mlagents\trainers\subprocess_env_manager.py", line 92, in recv
    8.     raise env_exception
    9. mlagents_envs.exception.UnityTimeOutException: The Unity environment took too long to respond.
    When checking the Logdata of my build I see that libcoreclr, libsystem, libdl cannot be loaded. Could this be the cause of my trainings crashing every so often? What's the best way to solve this?

    Code (CSharp):
    1.  
    2. UnloadTime: 19.201700 ms
    3. Plugins: Failed to load 'libcoreclr' because one or more of its dependencies could not be loaded.
    4. (Filename:  Line: 292)
    5. Fallback handler could not load library C:/Users/Cedric/Desktop/MLProject/builds/6_22_4/agents2_Data/Mono/libcoreclr.so
    6. Fallback handler could not load library C:/Users/Cedric/Desktop/MLProject/builds/6_22_4/agents2_Data/Mono/libcoreclr.so.dll
    7. Fallback handler could not load library C:/Users/Cedric/Desktop/MLProject/builds/6_22_4/agents2_Data/Mono/libcoreclr.so
    8. Plugins: Failed to load 'libdl' because one or more of its dependencies could not be loaded.
    9. (Filename:  Line: 292)
    10. Fallback handler could not load library C:/Users/Cedric/Desktop/MLProject/builds/6_22_4/agents2_Data/Mono/libdl.so
    11. Fallback handler could not load library C:/Users/Cedric/Desktop/MLProject/builds/6_22_4/agents2_Data/Mono/libdl.so.dll
    12. Fallback handler could not load library C:/Users/Cedric/Desktop/MLProject/builds/6_22_4/agents2_Data/Mono/libdl.so
    13. Plugins: Failed to load 'libSystem' because one or more of its dependencies could not be loaded.
    14. (Filename:  Line: 292)
    15. Fallback handler could not load library C:/Users/Cedric/Desktop/MLProject/builds/6_22_4/agents2_Data/Mono/libSystem.dylib
    16. Fallback handler could not load library C:/Users/Cedric/Desktop/MLProject/builds/6_22_4/agents2_Data/Mono/libSystem.dylib.dll
    17. Fallback handler could not load library C:/Users/Cedric/Desktop/MLProject/builds/6_22_4/agents2_Data/Mono/libSystem.dylib
    18. Plugins: Failed to load 'libcoreclr' because one or more of its dependencies could not be loaded.
    19. (Filename:  Line: 292)
    20. Fallback handler could not load library C:/Users/Cedric/Desktop/MLProject/builds/6_22_4/agents2_Data/Mono/libcoreclr.so
    21. Fallback handler could not load library C:/Users/Cedric/Desktop/MLProject/builds/6_22_4/agents2_Data/Mono/libcoreclr.so.dll
    22. Fallback handler could not load library C:/Users/Cedric/Desktop/MLProject/builds/6_22_4/agents2_Data/Mono/libcoreclr.so
    23. Plugins: Failed to load 'libdl' because one or more of its dependencies could not be loaded.
    24. (Filename:  Line: 292)
    25. Fallback handler could not load library C:/Users/Cedric/Desktop/MLProject/builds/6_22_4/agents2_Data/Mono/libdl.so
    26. Fallback handler could not load library C:/Users/Cedric/Desktop/MLProject/builds/6_22_4/agents2_Data/Mono/libdl.so.dll
    27. Fallback handler could not load library C:/Users/Cedric/Desktop/MLProject/builds/6_22_4/agents2_Data/Mono/libdl.so
    28. Plugins: Failed to load 'libSystem' because one or more of its dependencies could not be loaded.
    29. (Filename:  Line: 292)
    30.  
     
  2. celion_unity

    celion_unity

    Joined:
    Jun 12, 2019
    Posts:
    289
    Hi @MarkTension,
    I'm pretty sure those logs are just noise. Do they happen on successful training runs too?