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Basically, I'd like to verify if the camera is getting enabled. I've grepped around on dmesg and /var/log and lsmod, and have googled, and I have failed so far.

I went to a machine where I know the camera is working and don't see an entry in lsmod for v4l, which was one hunch.

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    run vcgencmd get_camera ? – Dirk Aug 31 '18 at 17:01
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You can get the camera status using vcgencmd get_camera on the command line.

It will show if the camera is enabled / supported and if it is connected.

pi@raspi05:$ vcgencmd get_camera
supported=1 detected=0
  • also worth noting, the GPU memory split is available with vcgencmd get_mem gpu. – tedder42 Aug 31 '18 at 18:11

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