vexilligera edited a comment on issue #17808: [WIP] Windows dev environment configuration, update install instructions from source in the docs URL: https://github.com/apache/incubator-mxnet/pull/17808#issuecomment-605897612 > Test in WIN_GPU fail at > > ``` > OSError: [WinError 126] The specified module could not be found > ``` > > This one means the libmxnet.dll is not in the DLL Search path [acc to Stackoverflow] > Fix would be to add it into the environment > https://stackoverflow.com/questions/43987081/openslide-python-import-error > > What's surprising is : libmxnet.dll & mxnet_70.dll are being packed into windows_package.7z and unpacked during test phase correctly. > While WIN_CPU tests don't give this error, WIN_GPU fails @larroy says he used to run into the problem and it was solved by packing opencv binary. In this case the opencv is already in the environment path and therefore be found. Although WinError 126 could also occur if a dependent dll is missing, in my local tests when I deliberately created that situation, segmentation fault (access violation at 0x0000000000000000) is thrown instead. @larroy also suggests using dependency walker to look at the dependent dlls. The only dependent dll of libmxnet.dll is cudart64_102.dll (not including the win32 dlls). For mxnet_70.dll, the libraries of opencv and openblas are already in the ami's environment path.
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