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  3. systemd：无法使我们成为一个subreaper：无效的参数。 SSH
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systemd：无法使我们成为一个subreaper：无效的参数。 SSH

由于升级到Debian 8（杰西），带来了systemd我得到这个职位的标题在我的系统日志错误。

远程SSHlogin开始 

10:33:51 pap1 systemd[1]: Starting user-0.slice. 10:33:51 pap1 systemd[1]: Created slice user-0.slice. 10:33:51 pap1 systemd[1]: Starting User Manager for UID 0... 10:33:51 pap1 systemd[1]: Starting Session 23 of user root. 10:33:51 pap1 systemd[1]: Started Session 23 of user root. 10:33:51 pap1 systemd[12228]: Failed to make us a subreaper: Invalid argument 10:33:51 pap1 systemd[12228]: Perhaps the kernel version is too old (< 3.4?) 10:33:51 pap1 systemd[12228]: Starting Paths. 10:33:51 pap1 systemd[12228]: Reached target Paths. 10:33:51 pap1 systemd[12228]: Starting Timers. 10:33:51 pap1 systemd[12228]: Reached target Timers. 10:33:51 pap1 systemd[12228]: Starting Sockets. 10:33:51 pap1 systemd[12228]: Reached target Sockets. 10:33:51 pap1 systemd[12228]: Starting Basic System. 10:33:51 pap1 systemd[12228]: Reached target Basic System. 10:33:51 pap1 systemd[12228]: Starting Default. 10:33:51 pap1 systemd[12228]: Reached target Default. 10:33:51 pap1 systemd[12228]: Startup finished in 19ms. 10:33:51 pap1 systemd[1]: Started User Manager for UID 0.

客户端连接正常，客户端没有错误。

现在退出远程SSH客户端… 

 10:33:55 pap1 systemd[1]: Stopping User Manager for UID 0... 10:33:55 pap1 systemd[12228]: Stopping Default. 10:33:55 pap1 systemd[12228]: Stopped target Default. 10:33:55 pap1 systemd[12228]: Stopping Basic System. 10:33:55 pap1 systemd[12228]: Stopped target Basic System. 10:33:55 pap1 systemd[12228]: Stopping Paths. 10:33:55 pap1 systemd[12228]: Stopped target Paths. 10:33:55 pap1 systemd[12228]: Stopping Timers. 10:33:55 pap1 systemd[12228]: Stopped target Timers. 10:33:55 pap1 systemd[12228]: Stopping Sockets. 10:33:55 pap1 systemd[12228]: Stopped target Sockets. 10:33:55 pap1 systemd[12228]: Starting Shutdown. 10:33:55 pap1 systemd[12228]: Reached target Shutdown. 10:33:55 pap1 systemd[12228]: Starting Exit the Session... 10:33:55 pap1 systemd[12228]: Received SIGRTMIN+24 from PID 12248 (kill). 10:33:55 pap1 systemd[1]: Stopped User Manager for UID 0. 10:33:55 pap1 systemd[1]: Stopping user-0.slice. 10:33:55 pap1 systemd[1]: Removed slice user-0.slice.

系统细节

我运行的内核是当前的Debian版本，3.16.0-4-686-pae（即> 3.4）。

任何想法是什么这个问题，是否严重，我能做些什么来阻止它？

答案在日志输出的下一行：

10:33:51 pap1 systemd[12228]: Failed to make us a subreaper: Invalid argument 10:33:51 pap1 systemd[12228]: Perhaps the kernel version is too old (< 3.4?)

你的内核太旧了。