>> Reproduction of the problem: During the S4 stress test, when a USB device is inserted or >> removed, there is a probability that the S4 wakeup will turn into a reboot.The following >> two points describe how to analyze and locate the problem points: > >Also please wrap your paragraphs at a much narrower line length like 72 >or 75 characters or so. > Thank you for pointing out the problem. I will pay attention to it in the future. Thanks, dengjie