虽然关机通常需要不到一分钟的时间，但有时需要 2 或 3 分钟。可能是我的 7 个 btrfs 硬盘是罪魁祸首（它们需要 3 分钟才能安装），但问题并不一致。屏幕变黑，下划线闪烁，最终关机。我认为这是journalctl -b -1
Mar 05 14:16:47 Shamaniak systemd[444]: Stopped target Basic System.
Mar 05 14:16:47 Shamaniak systemd[444]: Stopped target Timers.
Mar 05 14:16:47 Shamaniak systemd[444]: Stopped target Sockets.
Mar 05 14:16:47 Shamaniak systemd[444]: Closed Sound System.
Mar 05 14:16:47 Shamaniak systemd[444]: Stopped target Paths.
Mar 05 14:16:47 Shamaniak systemd[444]: Closed D-Bus User Message Bus Socket.
Mar 05 14:16:47 Shamaniak systemd[444]: Reached target Shutdown.
Mar 05 14:16:47 Shamaniak systemd[444]: Starting Exit the Session...
Mar 05 14:16:47 Shamaniak systemd[1]: Stopped Light Display Manager.
Mar 05 14:16:47 Shamaniak systemd[1]: lightdm.service: Unit entered failed state.
Mar 05 14:16:47 Shamaniak systemd[1]: lightdm.service: Failed with result 'exit-code'.
Mar 05 14:16:47 Shamaniak systemd[444]: Received SIGRTMIN+24 from PID 12539 (kill).
Mar 05 14:16:47 Shamaniak systemd[445]: pam_unix(systemd-user:session): session closed for user barafu
Mar 05 14:16:47 Shamaniak systemd[1]: Stopped User Manager for UID 1000.
Mar 05 14:18:15 Shamaniak systemd[1]: session-c1.scope: Stopping timed out. Killing.
Mar 05 14:18:15 Shamaniak systemd[1]: Stopped Session c1 of user barafu.
Mar 05 14:18:15 Shamaniak systemd[1]: session-c1.scope: Unit entered failed state.
Mar 05 14:18:15 Shamaniak systemd[1]: Removed slice User Slice of barafu.
Mar 05 14:18:15 Shamaniak systemd[1]: Stopping Permit User Sessions...
Mar 05 14:18:15 Shamaniak systemd[1]: Stopping Login Service...
Mar 05 14:18:15 Shamaniak systemd[1]: Stopped Permit User Sessions.
Mar 05 14:18:16 Shamaniak systemd[1]: Stopped target Remote File Systems.
Mar 05 14:18:16 Shamaniak systemd[1]: Stopped Login Service.
Mar 05 14:18:16 Shamaniak systemd[1]: Stopped target Basic System.
Mar 05 14:18:16 Shamaniak systemd[1]: Stopped target Slices.
Mar 05 14:18:16 Shamaniak systemd[1]: Stopped target Paths.
我正在使用带有 LightDM 的 Cinnamon，以防万一。