This can happen one hour or 30 hours after boot, it's random. I've tried without the usb dongle, with other PSUs and I checked the ssd integrity.everything seems fine. The only way is cycle power and start again. Well, randomly my system hangs, I can't connect to my flask web page, I can't connect via ssh from putty, if I plug an usb cable my windows system says that device is not recognized so I can't access from serial port with ssh too. On this system is running a python-flask-uwsgi "daemon" that I'm developing. The external usb dongle is configured as AP with nmcli, the internal wifi board is configured as w-station and is hooked to my home network. I power supply the board from the same header with a 5V 5A power supply, I verified and I have no holes on 5V and 3.3V voltage. Attached to this board there's the expansion usb board with a wifi dongle and another board connected to twi interface of the gpio header. I have an armbian 5.38 headless system on an orange pi zero2plus board.
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