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系统详细信息

tag-icon • tag-icon ssh debian syslog systemd debian-jessie
系统详细信息

自从升级到引入了 systemd 的 Debian 8（Jessie）后，我在系统日志错误中收到了这篇文章的标题。

远程 ssh 登录开始

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，客户端无错误。

现在退出远程 ssh 客户端后...

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.

系统详细信息

我正在运行的内核是当前的 Debian 内核 3.16.0-4-686-pae（即 >3.4）。

您知道这个问题是什么吗？它是否严重？我能做什么来阻止它？

答案1

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。

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