grapeot edited a comment on issue #16042: Error when calling get_backend_symbol URL: https://github.com/apache/incubator-mxnet/issues/16042#issuecomment-538795957 @Caenorst I can see a misunderstanding here that you meant to build MXNet with TensorRT support but @Zheweiqiu thought it meant to build the model. I hit this problem with exactly the same error messages using the default python package, and am willing to dig deeper by rebuilding MXNet with TensorRT support. ~~However, I don't see instructions in the [doc](https://github.com/apache/incubator-mxnet/blob/1.5.1/docs/install/build_from_source.md), or the [make options](https://github.com/apache/incubator-mxnet/blob/master/make/config.mk). Wondering do you mind pointing us to the proper doc? Thanks for your time!~~ Update: found the switch USE_TENSORRT in [Cmake file](https://github.com/apache/incubator-mxnet/blob/1.5.1/CMakeLists.txt). Update: found this auto build [script](https://github.com/apache/incubator-mxnet/blob/master/ci/docker/runtime_functions.sh#L679). Update: was able to successfully build MXNet with TensorRT support by following the aforementioned script (used CUDA 10.1, CuDNN 7.6, TensorRT 6.0). But the code got stuck for 20 minutes with 100% CPU on one core, before I killed it.
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