DeepStream

Accelerated Computing Intelligent Video Analytics DeepStream SDK
1

DeepStream 3D Action Recognition App

by link :
https://docs.nvidia.com/metropolis/deepstream/dev-guide/text/DS_3D_Action.html

Report the following error:

WARNING: …/nvdsinfer/nvdsinfer_model_builder.cpp:1487 Deserialize engine failed because file path: /opt/nvidia/deepstream/deepstream-6.4/sources/apps/sample_apps/deepstream-3d-action-recognition/./resnet18_3d_rgb_hmdb5_32.etlt_b4_gpu0_fp16.engine open error
0:00:05.697836411 6426 0x55f4c657ed00 WARN nvinfer gstnvinfer.cpp:679:gst_nvinfer_logger: NvDsInferContext[UID 1]: Warning from NvDsInferContextImpl::deserializeEngineAndBackend() <nvdsinfer_context_impl.cpp:2080> [UID = 1]: deserialize engine from file :/opt/nvidia/deepstream/deepstream-6.4/sources/apps/sample_apps/deepstream-3d-action-recognition/./resnet18_3d_rgb_hmdb5_32.etlt_b4_gpu0_fp16.engine failed
0:00:05.851469165 6426 0x55f4c657ed00 WARN nvinfer gstnvinfer.cpp:679:gst_nvinfer_logger: NvDsInferContext[UID 1]: Warning from NvDsInferContextImpl::generateBackendContext() <nvdsinfer_context_impl.cpp:2185> [UID = 1]: deserialize backend context from engine from file :/opt/nvidia/deepstream/deepstream-6.4/sources/apps/sample_apps/deepstream-3d-action-recognition/./resnet18_3d_rgb_hmdb5_32.etlt_b4_gpu0_fp16.engine failed, try rebuild
0:00:05.851497026 6426 0x55f4c657ed00 INFO nvinfer gstnvinfer.cpp:682:gst_nvinfer_logger: NvDsInferContext[UID 1]: Info from NvDsInferContextImpl::buildModel() <nvdsinfer_context_impl.cpp:2106> [UID = 1]: Trying to create engine from model files
NvDsInferCudaEngineGetFromTltModel: Failed to open TLT encoded model file /opt/nvidia/deepstream/deepstream-6.4/sources/apps/sample_apps/deepstream-3d-action-recognition/./resnet18_3d_rgb_hmdb5_32.etlt
ERROR: …/nvdsinfer/nvdsinfer_model_builder.cpp:728 Failed to create network using custom network creation function
ERROR: …/nvdsinfer/nvdsinfer_model_builder.cpp:794 Failed to get cuda engine from custom library API
0:00:11.000593381 6426 0x55f4c657ed00 ERROR nvinfer gstnvinfer.cpp:676:gst_nvinfer_logger: NvDsInferContext[UID 1]: Error in NvDsInferContextImpl::buildModel() <nvdsinfer_context_impl.cpp:2126> [UID = 1]: build engine file failed
free(): double free detected in tcache 2
已中止 (核心已转储)

3

Please provide complete information as applicable to your setup.
• Hardware Platform (Jetson / GPU)
• DeepStream Version
• JetPack Version (valid for Jetson only)
• TensorRT Version
• NVIDIA GPU Driver Version (valid for GPU only)
• Issue Type( questions, new requirements, bugs)
• How to reproduce the issue ? (This is for bugs. Including which sample app is using, the configuration files content, the command line used and other details for reproducing)
• Requirement details( This is for new requirement. Including the module name-for which plugin or for which sample application, the function description)
• The pipeline being used

5

This sample needs to download the corresponding model file. You can refer to the link mentioned in the README.

Search and Download 3D and 2D RGB based tao_iva_action_recognition_pretrained
models from NGC https://ngc.nvidia.com/catalog/models/nvidia:tao:actionrecognitionnet
into this folder. The 2 TAO models are
  resnet18_3d_rgb_hmdb5_32.etlt
  resnet18_2d_rgb_hmdb5_32.etlt
6

sudo unzip files.zip
Archive: files.zip
inflating: resnet18 2d of hmdb5 32 a100.etlt
inflating: resnet18 2d of hmdb5 32 xavier.etlt
inflating: resnet18 3d of hmdb5 32 a100.etlt
inflating:resnet18 3d of hmdb5 32 xavier.etlt

resnet18_3d_rgb_hmdb5_32.etlt does not exist

7

problem was solved

8

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