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STM32F746 Discovery Board Goes to Safe Mode #8402

@pataelmo

Description

@pataelmo

CircuitPython version

Adafruit CircuitPython 8.2.6 on 2023-09-12; ST STM32F746G Discovery with STM32F746
Board ID:stm32f746g_discovery

Code/REPL

print("Hello World")

Behavior

I programmed the "adafruit-circuitpython-stm32f746g_discovery-en_US-8.2.6.bin" file from the official repository and tried to connect to the REPL. I tried just to see what was available but running "import board" printed a few extra new lines and then hung.

Either pressing Ctrl-C or Ctrl-D or saving the code.py file to the drive got me the following errors on the REPL port:
Auto-reload is off.

Running in safe mode! Not running saved code.

You are in safe mode because:
CircuitPython core code crashed hard. Whoops!
NLR jump failed. Likely memory corruption.
Please file an issue with your program at github.com/adafruit/circuitpython/issues.
Press reset to exit safe mode.

Press any key to enter the REPL. Use CTRL-D to reload.

Description

I programmed the bin using the embedded ST-Link and STM32Cube programmer on windows. Apologies if I'm making a noob mistake on how to correctly program the board

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