[GitHub] Faldict commented on issue #12142: Failed to import MXNet built with TensorRT

[GitBox <gi...@apache.org>]

Faldict commented on issue #12142: Failed to import MXNet built with TensorRT
URL: https://github.com/apache/incubator-mxnet/issues/12142#issuecomment-412477285
 
 
   @KellenSunderland Thanks for your useful reply! I run `ldd libmxnet.so` and get the following information:
   
   ```
   	linux-vdso.so.1 =>  (0x00007fffa4d98000)
   	libm.so.6 => /lib/x86_64-linux-gnu/libm.so.6 (0x00007f31c96a5000)
   	libcudart.so.9.0 => /usr/local/cuda-9.0/lib64/libcudart.so.9.0 (0x00007f31c9438000)
   	libcublas.so.9.0 => /usr/local/cuda-9.0/lib64/libcublas.so.9.0 (0x00007f31c5b33000)
   	libcurand.so.9.0 => /usr/local/cuda-9.0/lib64/libcurand.so.9.0 (0x00007f31c1bcf000)
   	libcusolver.so.9.0 => /usr/local/cuda-9.0/lib64/libcusolver.so.9.0 (0x00007f31bcfd4000)
   	libopenblas.so.0 => /usr/lib/libopenblas.so.0 (0x00007f31baf40000)
   	librt.so.1 => /lib/x86_64-linux-gnu/librt.so.1 (0x00007f31bad38000)
   	libprotobuf.so.15 => /usr/local/lib/libprotobuf.so.15 (0x00007f31ba8b0000)
   	libnvonnxparser.so.0 => /usr/local/lib/libnvonnxparser.so.0 (0x00007f31ba591000)
   	libnvonnxparser_runtime.so.0 => /usr/local/lib/libnvonnxparser_runtime.so.0 (0x00007f31ba2dc000)
   	libnvinfer.so.4 => /usr/lib/x86_64-linux-gnu/libnvinfer.so.4 (0x00007f31b45b4000)
   	libnvinfer_plugin.so.4 => /usr/lib/x86_64-linux-gnu/libnvinfer_plugin.so.4 (0x00007f31b40ed000)
   	liblapack.so.3 => /usr/lib/liblapack.so.3 (0x00007f31b390a000)
   	libcudnn.so.7 => /usr/local/cuda-9.0/lib64/libcudnn.so.7 (0x00007f31a2403000)
   	libstdc++.so.6 => /usr/lib/x86_64-linux-gnu/libstdc++.so.6 (0x00007f31a2081000)
   	libomp.so.5 => /usr/lib/x86_64-linux-gnu/libomp.so.5 (0x00007f31a1db5000)
   	libgcc_s.so.1 => /lib/x86_64-linux-gnu/libgcc_s.so.1 (0x00007f31a1b9f000)
   	libpthread.so.0 => /lib/x86_64-linux-gnu/libpthread.so.0 (0x00007f31a1982000)
   	libc.so.6 => /lib/x86_64-linux-gnu/libc.so.6 (0x00007f31a15b8000)
   	/lib64/ld-linux-x86-64.so.2 (0x00007f31ccce9000)
   	libdl.so.2 => /lib/x86_64-linux-gnu/libdl.so.2 (0x00007f31a13b4000)
   	libgfortran.so.3 => /usr/lib/x86_64-linux-gnu/libgfortran.so.3 (0x00007f31a1089000)
   	libz.so.1 => /lib/x86_64-linux-gnu/libz.so.1 (0x00007f31a0e6f000)
   	libquadmath.so.0 => /usr/lib/x86_64-linux-gnu/libquadmath.so.0 (0x00007f31a0c30000)
   ```
   
   In fact, I have built `protobuf`, `onnx` and `onnx-tensorrt` from source separately and add them to the LD_LIBRARY_PATH. Currently I doubt this problem is because of the compatibility of different `protobuf` versions. Run `ldconfig -p | grep -i protobuf`:
   
   ```
   	libprotobuf.so.15 (libc6,x86-64) => /usr/local/lib/libprotobuf.so.15
   	libprotobuf.so.9 (libc6,x86-64) => /usr/lib/x86_64-linux-gnu/libprotobuf.so.9
   	libprotobuf.so (libc6,x86-64) => /usr/local/lib/libprotobuf.so
   	libprotobuf.so (libc6,x86-64) => /usr/lib/x86_64-linux-gnu/libprotobuf.so
   	libprotobuf-lite.so.15 (libc6,x86-64) => /usr/local/lib/libprotobuf-lite.so.15
   	libprotobuf-lite.so.9 (libc6,x86-64) => /usr/lib/x86_64-linux-gnu/libprotobuf-lite.so.9
   	libprotobuf-lite.so (libc6,x86-64) => /usr/local/lib/libprotobuf-lite.so
   	libprotobuf-lite.so (libc6,x86-64) => /usr/lib/x86_64-linux-gnu/libprotobuf-lite.so
   	libmirprotobuf.so.3 (libc6,x86-64) => /usr/lib/x86_64-linux-gnu/libmirprotobuf.so.3
   ```
   
   `libprotobuf.so.9` is the default version of Ubuntu 16.04, while `libprotobuf.so.15` is installed after building protobuf 3.5.1. Do you have any further ideas?

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