Where did you get the camera module(s)?
Model number of the product(s)?
What hardware/platform were you working on?
Raspberry Pi Zero 2 W
Instructions you have followed. (link/manual/etc.)
Problems you were having?
Message: No camera found.
The dmesg log from your hardware?
Troubleshooting attempts you’ve made?
We are using it without a screen connected. libcamera-still with -n option (and others for sure).
libcamera-still --list-cameras says “no cameras”.
We detected the the amount of GPU memory has an influence.
Default 64MB on a Zero 2 W (which has only 512MB).
Therefore we reduced to 16MB (which is the minimum) with raspi-config.
But then the cameras are not detected anymore.
Setting GPU memory back to 64MB and everything is fine again.
But 48MB are almost 10 percent of the available.
- What help do you need?
Why libcamera-still is depending on GPU memory even in head-less mode with option “-n”?
Thank you very much!