关机的时候让你输密码说明了有些后台运行的进程阻止关机。具体是什么进程需要你排查一下。

现在查到是系统因为用户在按下Fn+F1、点关机菜单中的“待机”，或者长时间不用时，
系统会唤醒待机进程systemd-sleep，之后系统会不断重新调用这个进程，杀都杀不死@jingle。

而这个进程阻止关机。

查到的相关帖子：

https://bbs.deepin.org/post/151524

利用

sudo journalctl -r命令，可以看到大量的deepin-elf-verify.service报错并重启的记录，不知道是否与systemd-sleep重启有关。

12月 25 23:34:37 yuzh-deepin systemd[1]: deepin-elf-verify.service: Failed with result 'exit-code'.
12月 25 23:34:37 yuzh-deepin systemd[1]: deepin-elf-verify.service: Main process exited, code=exited, status=255/EXCEPTION
12月 25 23:34:37 yuzh-deepin deepin-elf-verify[11979]: [ERROR] failed to open: No such file or directory
12月 25 23:34:37 yuzh-deepin systemd[1]: Started deepin ELF Verify.
12月 25 23:34:37 yuzh-deepin systemd[1]: Stopped deepin ELF Verify.
12月 25 23:34:37 yuzh-deepin systemd[1]: deepin-elf-verify.service: Scheduled restart job, restart counter is at 58.
12月 25 23:34:37 yuzh-deepin systemd[1]: deepin-elf-verify.service: Service RestartSec=3s expired, scheduling restart.
12月 25 23:34:37 yuzh-deepin kernel: mmc0: Skipping voltage switch
12月 25 23:34:37 yuzh-deepin kernel: mmc0: cannot verify signal voltage switch
12月 25 23:34:37 yuzh-deepin kernel: mmc0: Skipping voltage switch
12月 25 23:34:37 yuzh-deepin kernel: mmc0: cannot verify signal voltage switch
12月 25 23:34:37 yuzh-deepin kernel: mmc0: Skipping voltage switch
12月 25 23:34:37 yuzh-deepin kernel: mmc0: cannot verify signal voltage switch
12月 25 23:34:37 yuzh-deepin kernel: mmc0: Skipping voltage switch
12月 25 23:34:37 yuzh-deepin kernel: mmc0: cannot verify signal voltage switch
12月 25 23:34:37 yuzh-deepin kernel: mmc0: Skipping voltage switch
12月 25 23:34:36 yuzh-deepin kernel: mmc0: cannot verify signal voltage switch
12月 25 23:34:36 yuzh-deepin kernel: mmc0: Skipping voltage switch
12月 25 23:34:36 yuzh-deepin kernel: mmc0: cannot verify signal voltage switch
12月 25 23:34:36 yuzh-deepin kernel: mmc0: Skipping voltage switch
12月 25 23:34:36 yuzh-deepin kernel: mmc0: cannot verify signal voltage switch
12月 25 23:34:36 yuzh-deepin kernel: mmc0: Skipping voltage switch
12月 25 23:34:36 yuzh-deepin kernel: mmc0: cannot verify signal voltage switch
12月 25 23:34:36 yuzh-deepin kernel: mmc0: Skipping voltage switch
12月 25 23:34:36 yuzh-deepin kernel: mmc0: cannot verify signal voltage switch
12月 25 23:34:35 yuzh-deepin kernel: mmc0: Skipping voltage switch
12月 25 23:34:35 yuzh-deepin kernel: mmc0: cannot verify signal voltage switch
12月 25 23:34:35 yuzh-deepin kernel: mmc0: Skipping voltage switch
12月 25 23:34:35 yuzh-deepin kernel: mmc0: cannot verify signal voltage switch
12月 25 23:34:35 yuzh-deepin kernel: mmc0: Skipping voltage switch
12月 25 23:34:35 yuzh-deepin kernel: mmc0: cannot verify signal voltage switch
12月 25 23:34:35 yuzh-deepin kernel: mmc0: Skipping voltage switch
12月 25 23:34:35 yuzh-deepin kernel: mmc0: cannot verify signal voltage switch
12月 25 23:34:35 yuzh-deepin kernel: mmc0: Skipping voltage switch
12月 25 23:34:34 yuzh-deepin kernel: mmc0: cannot verify signal voltage switch
12月 25 23:34:34 yuzh-deepin kernel: mmc0: Skipping voltage switch
12月 25 23:34:34 yuzh-deepin kernel: mmc0: cannot verify signal voltage switch
12月 25 23:34:34 yuzh-deepin systemd[1]: deepin-elf-verify.service: Failed with result 'exit-code'.
12月 25 23:34:34 yuzh-deepin systemd[1]: deepin-elf-verify.service: Main process exited, code=exited, status=255/EXCEPTION
12月 25 23:34:34 yuzh-deepin deepin-elf-verify[11975]: [ERROR] failed to open: No such file or directory
12月 25 23:34:34 yuzh-deepin systemd[1]: Started deepin ELF Verify.
12月 25 23:34:34 yuzh-deepin systemd[1]: Stopped deepin ELF Verify.
12月 25 23:34:34 yuzh-deepin systemd[1]: deepin-elf-verify.service: Scheduled restart job, restart counter is at 57.
12月 25 23:34:34 yuzh-deepin systemd[1]: deepin-elf-verify.service: Service RestartSec=3s expired, scheduling restart.

https://bbs.archlinux.org/viewtopic.php?id=204346