On Wed, May 17, 2023 at 06:14:03PM +0800, Hongyu Xie wrote: > It works like this: > 1.Attach the uart side of an USB-to-UART tool to any uart port on your > device after panic. Attach the USB side of that tool to another PC. > Open minicom(or other app) on that PC, set /dev/ttyUSB0 with > "115200 8N1". > > 2.press "Enter", you'll get something like, > > " > wrong password > Panic now, please input keyword to debug > " > > 3.type "123456" and press "Enter" will prompt a help menu. > " > help: > -a show all kernel msg > -3 show S3 msg > -4 show S4 msg > -filter-[string] show msg contains [string] > -q- quit > " > > 4.Finally type 'a', '3', '4', 'q' or "filter-xxx" to get what you want. All of this needs to be documented somewhere, right? And what is this magic "123456" stuff? thanks, greg k-h
