No cameras available

[WangGangUCAS]

when I use saac_ros_argus_camera, i have a questions about "No cameras available".

And I use "ffmpeg -f v4l2 -i /dev/video3 -frames:v 1 output.jpg"，the output.jpg is normal.
Please help me.
Thanks

[sgillen]

Hello, can you provide us with more information? what platform (e.g. jetson AGX Orin) and camera are you using? and what version of Isaac and jetpack.