![12359.948369 systemd-shoutdown[1] 正在等待进程 crond](https://linux22.com/image/1185561/12359.948369%20systemd-shoutdown%5B1%5D%20%E6%AD%A3%E5%9C%A8%E7%AD%89%E5%BE%85%E8%BF%9B%E7%A8%8B%20crond.png)
我的 ubuntu 20.04 需要 10-15 分钟才能关闭。我的 ubuntu 有问题吗？如果是，那么如何解决这个问题？
内存-16GB RAM，1TB SSD
已编辑-运行此命令后sudo journalctl -b -1 -e，这是结果
Jan 30 23:05:51 ubuntu systemd[1]: Reached target Shutdown.
Jan 30 23:05:51 ubuntu systemd[1]: Reached target Final Step.
Jan 30 23:06:49 ubuntu systemd[1]: plymouth-poweroff.service: Start-post operation timed out. Stopping.
Jan 30 23:06:49 ubuntu systemd[1]: plymouth-poweroff.service: Failed with result 'timeout'.
Jan 30 23:06:49 ubuntu systemd[1]: Failed to start Show Plymouth Power Off Screen.