DeepStream on Jetson Nano: Error on apps/sample_apps/deepstream-test1 and others

Good day to all.
I am experiencing a problem with running deepstream-test1 application on Jetson Nano - JetPack 4.3 and L4T 32.3.1
It is vanilla installation of Jetson Nano according to the https://docs.nvidia.com/metropolis/deepstream/dev-guide/DeepStream%20Development%20Guide/deepstream_quick_start.html#wwpID0E0CF0HA

jetson@nano:~$ deepstream-app --version-all
deepstream-app version 4.0.2
DeepStreamSDK 4.0.2
CUDA Driver Version: 10.0
CUDA Runtime Version: 10.0
TensorRT Version: 6.0
cuDNN Version: 7.6
libNVWarp360 Version: 2.0.0d5

When running the sample app the 1st frame gets processed and then the pipeline crashes:

jetson@nano:/opt/nvidia/deepstream/deepstream-4.0/sources/apps/sample_apps/deepstream-test1$ ./deepstream-test1-app ../../../../samples/streams/sample_720p.h264
Now playing: ../../../../samples/streams/sample_720p.h264

Using winsys: x11 
Opening in BLOCKING MODE 
Creating LL OSD context new
0:00:04.154951297 12645   0x557f730d20 INFO                 nvinfer gstnvinfer.cpp:519:gst_nvinfer_logger:<primary-nvinference-engine> NvDsInferContext[UID 1]:initialize(): Trying to create engine from model files
0:00:04.155163489 12645   0x557f730d20 WARN                 nvinfer gstnvinfer.cpp:515:gst_nvinfer_logger:<primary-nvinference-engine> NvDsInferContext[UID 1]:generateTRTModel(): INT8 not supported by platform. Trying FP16 mode.
0:01:43.460183403 12645   0x557f730d20 INFO                 nvinfer gstnvinfer.cpp:519:gst_nvinfer_logger:<primary-nvinference-engine> NvDsInferContext[UID 1]:generateTRTModel(): Storing the serialized cuda engine to file at /opt/nvidia/deepstream/deepstream-4.0/samples/models/Primary_Detector/resnet10.caffemodel_b1_fp16.engine
Running...
NvMMLiteOpen : Block : BlockType = 261 
NVMEDIA: Reading vendor.tegra.display-size : status: 6 
NvMMLiteBlockCreate : Block : BlockType = 261 
Creating LL OSD context new
Frame Number = 0 Number of objects = 5 Vehicle Count = 3 Person Count = 2
0:01:43.911558480 12645   0x557efd6590 WARN                 nvinfer gstnvinfer.cpp:1830:gst_nvinfer_output_loop:<primary-nvinference-engine> error: Internal data stream error.
0:01:43.911610720 12645   0x557efd6590 WARN                 nvinfer gstnvinfer.cpp:1830:gst_nvinfer_output_loop:<primary-nvinference-engine> error: streaming stopped, reason error (-5)
ERROR from element primary-nvinference-engine: Internal data stream error.
Error details: /dvs/git/dirty/git-master_linux/deepstream/sdk/src/gst-plugins/gst-nvinfer/gstnvinfer.cpp(1830): gst_nvinfer_output_loop (): /GstPipeline:dstest1-pipeline/GstNvInfer:primary-nvinference-engine:
streaming stopped, reason error (-5)
Returned, stopping playback
Deleting pipeline

Any ideas why this is happening and how to make DeepStream working on Jetson Nano - now it seems to completely wasted.

Regards, Sergei.

Hi,
It looks like export DISPLAY=:0(or 1) is not set. Please set it and try again.