What does the log message "CPU 0: Kernel thread" represent?
Switch generated following log message:
MSM-A: CPU 0: Kernel thread was stuck for 2.25 seconds, jiffies: 3538282955
This message appears when kernel is used by some process for a long time. Since Kernel sync the hal and the CPU, if the process used by Kernel gets stuck, it leads to switch reboot to release it. These are health-check-packets.