Segmentation fault (core dumped)

[QLuanWilliamed]

Hi, I tested your pointnet2 model successfully on my local Linux Ubuntu20 with torch1.0 and Python=3.6. However, when I upload the full code to the Linux based server and test my code on my own 3d LiDAR dataset (Oxford RobotCar Dataset), I got an error like this:

Besides, the configurations on the Linux server are the same as my local Ubuntu20 system. Therefore, I am so confused about this problem.