Tlt_converter cannot find libnvinfer.so.7

Description

Hello,

I would like to convert an .etlt model into an .engine using tlt-converter.
I’m working on a x86 machine with CUDA 11.7 and TensorRT 8.4.3

dpkg -l |grep cuda

ii  cuda-11-7                                  11.7.1-1                            amd64        CUDA 11.7 meta-package
ii  cuda-cccl-11-7                             11.7.91-1                           amd64        CUDA CCCL
ii  cuda-command-line-tools-11-7               11.7.1-1                            amd64        CUDA command-line tools
ii  cuda-compiler-11-7                         11.7.1-1                            amd64        CUDA compiler
ii  cuda-cudart-11-7                           11.7.99-1                           amd64        CUDA Runtime native Libraries
ii  cuda-cudart-dev-11-7                       11.7.99-1                           amd64        CUDA Runtime native dev links, headers
ii  cuda-cuobjdump-11-7                        11.7.91-1                           amd64        CUDA cuobjdump
ii  cuda-cupti-11-7                            11.7.101-1                          amd64        CUDA profiling tools runtime libs.
ii  cuda-cupti-dev-11-7                        11.7.101-1                          amd64        CUDA profiling tools interface.
ii  cuda-cuxxfilt-11-7                         11.7.91-1                           amd64        CUDA cuxxfilt
ii  cuda-demo-suite-11-7                       11.7.91-1                           amd64        Demo suite for CUDA
ii  cuda-documentation-11-7                    11.7.91-1                           amd64        CUDA documentation
ii  cuda-driver-dev-11-7                       11.7.99-1                           amd64        CUDA Driver native dev stub library
ii  cuda-drivers                               520.61.05-1                         amd64        CUDA Driver meta-package, branch-agnostic
ii  cuda-drivers-520                           520.61.05-1                         amd64        CUDA Driver meta-package, branch-specific
ii  cuda-gdb-11-7                              11.7.91-1                           amd64        CUDA-GDB
ii  cuda-libraries-11-7                        11.7.1-1                            amd64        CUDA Libraries 11.7 meta-package
ii  cuda-libraries-dev-11-7                    11.7.1-1                            amd64        CUDA Libraries 11.7 development meta-package
ii  cuda-memcheck-11-7                         11.7.91-1                           amd64        CUDA-MEMCHECK
ii  cuda-nsight-11-7                           11.7.91-1                           amd64        CUDA nsight
ii  cuda-nsight-compute-11-7                   11.7.1-1                            amd64        NVIDIA Nsight Compute
ii  cuda-nsight-systems-11-7                   11.7.1-1                            amd64        NVIDIA Nsight Systems
ii  cuda-nvcc-11-7                             11.7.99-1                           amd64        CUDA nvcc
ii  cuda-nvdisasm-11-7                         11.7.91-1                           amd64        CUDA disassembler
ii  cuda-nvml-dev-11-7                         11.7.91-1                           amd64        NVML native dev links, headers
ii  cuda-nvprof-11-7                           11.7.101-1                          amd64        CUDA Profiler tools
ii  cuda-nvprune-11-7                          11.7.91-1                           amd64        CUDA nvprune
ii  cuda-nvrtc-11-7                            11.7.99-1                           amd64        NVRTC native runtime libraries
ii  cuda-nvrtc-dev-11-7                        11.7.99-1                           amd64        NVRTC native dev links, headers
ii  cuda-nvtx-11-7                             11.7.91-1                           amd64        NVIDIA Tools Extension
ii  cuda-nvvp-11-7                             11.7.101-1                          amd64        CUDA Profiler tools
ii  cuda-repo-debian11-11-7-local              11.7.1-515.65.01-1                  amd64        cuda repository configuration files
ii  cuda-runtime-11-7                          11.7.1-1                            amd64        CUDA Runtime 11.7 meta-package
ii  cuda-sanitizer-11-7                        11.7.91-1                           amd64        CUDA Sanitizer
ii  cuda-toolkit-11-7                          11.7.1-1                            amd64        CUDA Toolkit 11.7 meta-package
ii  cuda-toolkit-11-7-config-common            11.7.99-1                           all          Common config package for CUDA Toolkit 11.7.
ii  cuda-toolkit-11-config-common              11.8.89-1                           all          Common config package for CUDA Toolkit 11.
ii  cuda-toolkit-config-common                 11.8.89-1                           all          Common config package for CUDA Toolkit.
ii  cuda-tools-11-7                            11.7.1-1                            amd64        CUDA Tools meta-package
ii  cuda-visual-tools-11-7                     11.7.1-1                            amd64        CUDA visual tools
ii  libcudnn8                                  8.4.1.50-1+cuda11.6                 amd64        cuDNN runtime libraries
ii  libcudnn8-dev                              8.4.1.50-1+cuda11.6                 amd64        cuDNN development libraries and headers
ii  libnvinfer-bin                             8.4.3-1+cuda11.6                    amd64        TensorRT binaries
ii  libnvinfer-dev                             8.4.3-1+cuda11.6                    amd64        TensorRT development libraries and headers
ii  libnvinfer-plugin-dev                      8.4.3-1+cuda11.6                    amd64        TensorRT plugin libraries
ii  libnvinfer-plugin8                         8.4.3-1+cuda11.6                    amd64        TensorRT plugin libraries
ii  libnvinfer-samples                         8.4.3-1+cuda11.6                    all          TensorRT samples
ii  libnvinfer8                                8.4.3-1+cuda11.6                    amd64        TensorRT runtime libraries
ii  libnvonnxparsers-dev                       8.4.3-1+cuda11.6                    amd64        TensorRT ONNX libraries
ii  libnvonnxparsers8                          8.4.3-1+cuda11.6                    amd64        TensorRT ONNX libraries
ii  libnvparsers-dev                           8.4.3-1+cuda11.6                    amd64        TensorRT parsers libraries
ii  libnvparsers8                              8.4.3-1+cuda11.6                    amd64        TensorRT parsers libraries
ii  python3-libnvinfer                         8.4.3-1+cuda11.6                    amd64        Python 3 bindings for TensorRT
ii  python3-libnvinfer-dev                     8.4.3-1+cuda11.6                    amd64        Python 3 development package for TensorRT

sudo ./tlt-converter
./tlt-converter: error while loading shared libraries: libnvinfer.so.7: cannot open shared object file: No such file or directory

In the forum I found out that it’s the Cuda version related issue, How can I download the right version of tlt_converter?

Many thanks!

It is due to TRT version. Please download the trt8 version of tao-converter from TAO Converter | NVIDIA NGC

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