could you give `lspci -v` so that i see what module is a driver for that component? Try playing to same device with recent ffmpeg: ffmpeg -i sample.mp4 -codec copy -f v4l2 -y /dev/videoWhatYouHave and check if you have the same kernel warning. -- Bluecherry developer. -- To unsubscribe from this list: send the line "unsubscribe linux-media" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html