Jetpack 4.2.1 Can Not Access Serial Ports Without Sudo


On Jetson Tx2 I can not access to serial ports without sudo,

There was no problem like this on Jetpack 3.3, how can I solve this problem?

What reports for your user


If not shown, you may try to add your user to dialout group:

sudo adduser <your_user> dialout

Thank you;

It works.