cron_for_fix.service 阻止 systemd初始化完成

master@fei

设备环境：物理机 / fnos 1.1.19

BUG现象：cron_for_fix.service 阻止 systemd初始化完成

出现频率：必现

联系方式：（可以提供手机号或者所在粉丝群与昵称，例如 1群-路人甲）

日志文件：

因为 /usr/trim/bin/cron_for_fix.sh 是个死循环，所以不会退出，不适用oneshot服务类型。 需要改成simple类型。

https://linuxvox.com/blog/when-should-the-option-remainafterexit-needs-to-be-set-true-when-creating-new-systemd-services/#avoid-for-long-running-processes

systemctl list-**s

** UNIT TYPE STATE
2 multi-user.target start waiting
189 cron_for_fix.service start running
1 graphical.target start waiting
150 system_shutdown.service start waiting
210 systemd-update-utmp-runlevel.service start waiting
156 post-mount.service start waiting

systemctl status cron_for_fix

● cron_for_fix.service - Run custom script After trim_main
Loaded: loaded (/etc/systemd/system/cron_for_fix.service; enabled; preset: enabled)
Active: activating (start) since Fri 2026-02-06 13:44:56 CST; 1h 23min ago
Main PID: 1360 (cron_for_fix.sh)
Tasks: 2 (limit: 2110)
Memory: 1.6M
CPU: 727ms
CGroup: /system.slice/cron_for_fix.service
**─1360 /bin/bash /usr/trim/bin/cron_for_fix.sh
**─1902 sleep 5h

Feb 06 13:44:56 min systemd[1]: Starting cron_for_fix.service - Run custom script After trim_main...

master@fei

改成 simple类型后

$ systemctl list-**s
No **s running.
$ systemctl status   cron_for_fix
● cron_for_fix.service - Run custom script After trim_main
     Loaded: loaded (/etc/systemd/system/cron_for_fix.service; enabled; preset: enabled)
     Active: active (running) since Fri 2026-02-06 15:41:56 CST; 6min ago
   Main PID: 1329 (cron_for_fix.sh)
      Tasks: 2 (limit: 2108)
     Memory: 2.4M
        CPU: 739ms
     CGroup: /system.slice/cron_for_fix.service
             **─1329 /bin/bash /usr/trim/bin/cron_for_fix.sh
             **─1867 sleep 5h

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