After jetson nano install jetpack 4.4.1, use Deepstream to run yolov3, the pipeline generation is normal, but nano restarts. The terminal output is as follows：
yolov3 is too large for Nano. You may change to some smaller model.
First of all thank you for your reply. I finally solved this problem. The reason for this problem was insufficient power supply. After replacing the high power, the nano runs normally.