Libcamera works with ArduCam 8MP IMX219 camera, MotionEye give grey screen

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May 29, 2025, 10:50:11 AMMay 29

to motioneye

I've hunted around the web for a few days to find this answer.

lib camera-hello works, the video0 folder exists (though the camera is apparently using video10 in MotionEye) and I can create an image with libcamera-still.

libcamera-jpeg -o test219a.jpg

[0:26:24.106513790] [1325] INFO Camera camera_manager.cpp:326 libcamera v0.5.0+59-d83ff0a4

[0:26:24.175865814] [1328] WARN RPiSdn sdn.cpp:40 Using legacy SDN tuning - please consider moving SDN inside rpi.denoise

[0:26:24.181779620] [1328] INFO RPI vc4.cpp:447 Registered camera /base/soc/i2c0mux/i2c@1/imx219@10 to Unicam device /dev/media2 and ISP device /dev/media0

[0:26:24.181993735] [1328] INFO RPI pipeline_base.cpp:1121 Using configuration file '/usr/share/libcamera/pipeline/rpi/vc4/rpi_apps.yaml'

Preview window unavailable

But MotionEye just gives me a grey screen when viewing that camera and says "Unable to open video device."

I've tried sudo modprobe v4l2_async and sudo modprobe v412_common and sudo modprobe bcm2835-v412 all to various errors and no effect.