README.md

This tool set is developed by NeoFang to analyze shutdown issue in Ostro platform. Because occasionally, Ostro's shutdown processes unstable.

#1. Kernel boot option should add the following command: 'systemd.log_level=debug systemd.log_target=kmsg log_buf_len=1M enforcing=0' In Ostro, it requires to rebuild the image. #2. copy script/debug.sh to /lib/systemd/system-shutdown in ostro. DO NOT forget to enable debug.sh executable. #3. copy script/autoreboot.sh to /usr/bin/autoreboot.sh. NOTICE: executable mode change. #4. copy script/autoreboot.service to /lib/systemd/system and systemctl enable autoreboot.service #5. reboot the system. It will continue to poweroff and poweron about 10 times.

10 shutdown.txt.* files will be generated under /shutdown. Scp this folder

#6. python tool/SystemdLog-marshal.py shutdown to check the result.