This error is because octoprint’s mjpg-streamer is using the camera, so you can’t open it again, if you want to use the command line to access the camera, you can close the mjpg-streamer service first.BPI-4.0 OEM&ODM Successful case H3 for Network security information analysis instrument What is the significance of IMX519 versus Pivariety? The previous instructions I’ve read don’t really seem to make a distinction to me. I’ll give the octoprint image you shared a try and see if behaviour is any different. INFO RPI raspberrypi.cpp:1356 Registered camera /base/soc/i2c0mux/ / to Unicam device /dev/media3 and ISP device /dev/media0 ERROR DelayedControls delayed_controls.cpp:87 Delay request for control id 0x009a090a but control is not exposed by device /dev/v4l-subdev0 WARN RPI raspberrypi.cpp:1233 Mismatch between Unicam and CamHelper for embedded data usage! ERROR CameraSensor camera_sensor.cpp:551 ‘imx519 10-001a’: Camera sensor does not support test pattern modes. WARN CameraSensorProperties camera_sensor_properties.cpp:143 Please consider updating the camera sensor properties database WARN CameraSensorProperties camera_sensor_properties.cpp:141 No static properties available for ‘imx519’ ERROR V4L2 v4l2_device.cpp:349 ‘imx519 10-001a’: Unable to set controls: Device or resource busy :~ $ libcamera-still -t 5000 -o test.jpg -n I need to use Ctrl-C to exit the command:
I’m unable to get a test print from teh command line. If I refresh the browser page it comes back again. However after a short while the stream goes black. With the 16MP Autofocus cam I can now see the stream in Octoprint. It doesn’t seem to work with the original Pi Camera 2.1 (I thought it was all supposed to be backward compatible). The instruction to run “dmesg | grep arducam” still returns no results (although this doesn’t seem to matter). I can’t whether this was really a factor or not. I did however run “apt update” and “apt upgrade” and retest octoprint before I did the driver instatll steps. I’ve actually just run through the post again ( Using libcamera & imx519 on OctoPi) and it works now (sort of).
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