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clr.AddReference crashes mono in Linux environment

See original GitHub issue

Environment

Pythonnet version: 2.5.1
Python version: Python 3.6.12 :: Anaconda, Inc.
Operating System: Linux (Ubuntu 18.04.5 LTS bionic)
mono version : Mono JIT compiler version 6.12.0.90

Details

I am trying to add reference of .Net standard library(Linux compatible) from the python code. import clr clr.AddReference(“xxxx.xx”)

The code throws the below exception and mono crashes after that

*** Assertion at assembly.c:1939, condition `is_ok (hook_error)' not met, function:mono_assembly_invoke_load_hook_internal, (null) assembly:/usr/lib/mono/4.5/mscorlib.dll type:ReflectionTypeLoadException member:(null)**


=================================================================
        Native Crash Reporting
=================================================================
Got a SIGABRT while executing native code. This usually indicates
a fatal error in the mono runtime or one of the native libraries
used by your application.
=================================================================

=================================================================
        Native stacktrace:
=================================================================
        0x7fec3a9382a9 - /usr/lib/libmonosgen-2.0.so.1 :
        0x7fec3a938629 - /usr/lib/libmonosgen-2.0.so.1 :
        0x7fec3a8c2c94 - /usr/lib/libmonosgen-2.0.so.1 :
        0x7fec3a937842 - /usr/lib/libmonosgen-2.0.so.1 :
        0x7fec59a97980 - /lib/x86_64-linux-gnu/libpthread.so.0 :
        0x7fec596d2fb7 - /lib/x86_64-linux-gnu/libc.so.6 : gsignal
        0x7fec596d4921 - /lib/x86_64-linux-gnu/libc.so.6 : abort
        0x7fec3ab1d3a7 - /usr/lib/libmonosgen-2.0.so.1 :
        0x7fec3ab02573 - /usr/lib/libmonosgen-2.0.so.1 :
        0x7fec3ab1d328 - /usr/lib/libmonosgen-2.0.so.1 :
        0x7fec3ab1d8e3 - /usr/lib/libmonosgen-2.0.so.1 : monoeg_assertion_message
        0x7fec3a9a1b98 - /usr/lib/libmonosgen-2.0.so.1 :
        0x7fec3a9a28e7 - /usr/lib/libmonosgen-2.0.so.1 :
        0x7fec3a9a4c13 - /usr/lib/libmonosgen-2.0.so.1 :
        0x7fec3a9a43e1 - /usr/lib/libmonosgen-2.0.so.1 :
        0x7fec3a9a6351 - /usr/lib/libmonosgen-2.0.so.1 : mono_assembly_load_reference
        0x7fec3a9ae3fb - /usr/lib/libmonosgen-2.0.so.1 : mono_class_from_typeref_checked
        0x7fec3aa0430c - /usr/lib/libmonosgen-2.0.so.1 :
        0x7fec3aa045f2 - /usr/lib/libmonosgen-2.0.so.1 :
        0x7fec3aa9364f - /usr/lib/libmonosgen-2.0.so.1 :
        0x7fec3aa942e8 - /usr/lib/libmonosgen-2.0.so.1 :
        0x7fec3aa949e8 - /usr/lib/libmonosgen-2.0.so.1 :
        0x7fec3a9e8dfe - /usr/lib/libmonosgen-2.0.so.1 :
        0x41cb3773 - Unknown

import clr
clr.AddReference("LiveAI.SDK")

If there was a crash, please include the traceback here.

    print('TODO')

Issue Analytics

State:
Created 3 years ago
Comments:16 (6 by maintainers)

Top GitHub Comments

1reaction

MysterTechcommented, Jan 20, 2021

Thanks @vnavkal for decrypting this for me. I got the same error while building the QuantConnect lean indicators into my python project.

1reaction

vnavkalcommented, Jan 14, 2021

@filmor I believe I’ve managed to reproduce this error as well. I posted a dockerfile in https://github.com/vnavkal/pythonnet-ex that compiles similar code to what @samuthrakumar posted and then attempts to import it via pythonnet. And when I run the image, I see a similar cryptic crash log.

It’s not clear to me whether the issue is with pythonnet or with mono. I’m happy to try further debugging steps to pin down the source of the issue further, just let me know.

Thanks in advance!