terminate called after throwing an instance of 'serial::IOException' │ what(): IO Exception (5): Input/output error, file /home/mlb/ut_workspace/202207_unitree_selfmade_lidar/unitree_lidar_sdk/unitree_lidar_sdk/src/serial/impl/unix.cc, line 151.

[ulken94]

using ubuntu 20.04 / ros noetic base docker

The ros run.launch example and also the sdk example_lidar occurs the same error.
And i have no idea about the directory which in error exception message.
/home/mlb/ut_workspace/202207_unitree_selfmade_lidar/unitree_lidar_sdk/unitree_lidar_sdk/src/serial/impl/unix.cc, line 151.

is anyone have same issue with me?

[MichaelSun1001]

you can do this to Modifying Serial Device Privileges ,after you connect the device,then,write this "sudo chmod a+rw /dev/ttyUSB0" in terminal,

[17766475597]

Same error. This occurs when I use Orange Pi. However, when I use my own PC, this problem seems to disappear. Have you solved this issue?