Hello, it is recommended that you use the USB to serial port tool to obtain the boot log for analysis, the LED is flashing with the kernel activity, and stopping the flashing indicates that the kernel may fail to boot thanks for your replay,the uart ouput is below: ```bash FIT: no signed, no conf r...

software config: modify default kernel config below: CONFIG_THUMB2_KERNEL=N CONFIG_FUNCTION_TRACER=y CONFIG_FUNCTION_GRAPH_TRACER=y CONFIG_DYNAMIC_FTRACE=y and rebuild the kenrel,burn to the board hardware: after burn to my luckfox pico min b nand flash, the led of the board is off,and can not found...