![]() ![]() This makes diagnosing and debugging bootloader related problems very unpleasant. Term_exitfunc: reset failed for dev UNKNOWN: Input/output errorīy the time I could reconnect with my terminal software ( picocom in this case), I would have already missed a lot of critical messages printed by the bootloader. Whenever the target board is powered up, there is always a small chance that a power surge will happen due to ground loop interference, which causes my connection to be interrupted on power-up: FATAL: read zero bytes from port I’ve used a lot of USB serial adapters over the years, but they all seem to have two major drawbacks that are difficult to overcome: ![]() Serial console is one of the most important ways of communicating with embedded Linux systems. ![]()
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