Segmentation fault (core dumped) while running the sample deepstream app

**• Hardware Platform (Jetson / GPU): NVIDIA Jetson Nano **
• DeepStream Version: 5.0.1-1
• JetPack Version (valid for Jetson only): 4.4.1 [L4T 32.4.4]
• TensorRT Version: 7.1.3-1+cuda10.2

I installed the deepstream by following the instructions at QuickStart Guide — DeepStream DeepStream Version: 5.0 documentation

I used method 3 for installing deepstream sdk. sudo apt install deepstream-5.0

Now when I run the command
sudo deepstream-app -c source8_1080p_dec_infer-resnet_tracker_tiled_display_fp16_nano.txt

It gives me the following error.

nvidia@linux:/opt/nvidia/deepstream/deepstream/samples/configs/deepstream-app$ sudo deepstream-app -c source8_1080p_dec_infer-resnet_tracker_tiled_display_fp16_nano.txt
gstnvtracker: Loading low-level lib at /opt/nvidia/deepstream/deepstream-5.0/lib/libnvds_mot_klt.so
gstnvtracker: Optional NvMOT_RemoveStreams not implemented
gstnvtracker: Batch processing is OFF
gstnvtracker: Past frame output is OFF
ERROR: Deserialize engine failed because file path: /opt/nvidia/deepstream/deepstream-5.0/samples/configs/deepstream-app/../../models/Primary_Detector_Nano/resnet10.caffemodel_b8_gpu0_fp16.engine open error
0:00:03.032634400 17045   0x7f4c002350 WARN                 nvinfer gstnvinfer.cpp:616:gst_nvinfer_logger:<primary_gie> NvDsInferContext[UID 1]: Warning from NvDsInferContextImpl::deserializeEngineAndBackend() <nvdsinfer_context_impl.cpp:1690> [UID = 1]: deserialize engine from file :/opt/nvidia/deepstream/deepstream-5.0/samples/configs/deepstream-app/../../models/Primary_Detector_Nano/resnet10.caffemodel_b8_gpu0_fp16.engine failed
0:00:03.032718724 17045   0x7f4c002350 WARN                 nvinfer gstnvinfer.cpp:616:gst_nvinfer_logger:<primary_gie> NvDsInferContext[UID 1]: Warning from NvDsInferContextImpl::generateBackendContext() <nvdsinfer_context_impl.cpp:1797> [UID = 1]: deserialize backend context from engine from file :/opt/nvidia/deepstream/deepstream-5.0/samples/configs/deepstream-app/../../models/Primary_Detector_Nano/resnet10.caffemodel_b8_gpu0_fp16.engine failed, try rebuild
0:00:03.032754193 17045   0x7f4c002350 INFO                 nvinfer gstnvinfer.cpp:619:gst_nvinfer_logger:<primary_gie> NvDsInferContext[UID 1]: Info from NvDsInferContextImpl::buildModel() <nvdsinfer_context_impl.cpp:1715> [UID = 1]: Trying to create engine from model files
Segmentation fault

Could you add GST_DEBUG=3 to show more log info? Also, could you update the Deepstream to 6.0.1 version? Thanks

We installed Jetpack 4.6 and Deepstream 6.0 and the sample app is now working. Thanks

1 Like

This topic was automatically closed 14 days after the last reply. New replies are no longer allowed.