New procedure is to enable it using the official rpi-usb-gadget but work needs to be done so it can be switched back on when the pi is offline. Somehow (with a special manifest) the pi-imager…
We have a system that works (but is tricky to turn back on offline) but I consider this bug fixed for now. I'll continue work on making that switch work in branch dwc-detect on Issue #1
I just tested the pre-installed rpi-usb-gadget and it just worked. I think I'll change the directions to have people just use that instead of the serial method.
@marcel reminds me that serial USB is depricated and perhaps we need to use the supported (and suggested) ethernet gadget which is documented in https://github.com/raspberrypi/rpi-usb-gadget
Weird. It's not coming back up. I need to do more debugging.