Hi, I flashed 20160927-nanopi-air-eflasher-sd8g-20160927.img and following the wiki guides. I eflashed the ubuntu images to emmc. I got the below messages [OV5640]error at sensor_detect [OV5640]chip found is not an target chip. in dmesg. and then make and ./mjpeg-streamer/start.sh MJPG Streamer Vers...