Deepstream python code - Failed in mem copy (Segmentation fault)

[junshengy]

@linnus820xd

4 USB 2.0 cameras (640X480, mjpeg).
My pipeline :

1.Refer to the FAQ below and use gst-launch-1.0 to test the v4l2src pipeline first.

DeepStream SDK FAQ

28. [DSx_All_App] How to connect a USB camera in DeepStream? 28.1 Query the device number by the v4l2-ctl tool E.g. $ sudo apt install v4l-utils && v4l2-ctl --list-devices 28.2 Query the supported formats and capabilities of the camera by v4l2-ctl tool. E.g. Query the camera’s formats and capabilities whose device number is 2. $ v4l2-ctl -d /dev/video2 --list-formats-ext The information may be displayed in the following format ioctl: VIDIOC_ENUM_FMT Type: Video Capture octl: VIDIOC_EN…

@linnus820xd

• JetPack Version (valid for Jetson only)
6.2

2.We have only tested DS 7.1 on Jetpack 6.1, please try to re-burn JP6.1