Segmentation fault (core dumped) when runnning torch.load on Nivida Jetson

it is super simple, i want to load yolov5 model on Nvidia jetson nano:

device =torch.device("cpu")
model = torch.load('yolov5s.pt', map_location=device)

and got Segmentation fault (core dumped)
environment: jetpack 4.61 (ubuntu 18, python 3.6) torch 1.9
appreciate any opinion