linux系统无法关机／重启

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本文记录了一次在戴尔380机器上运行Linux操作系统时遇到的关机问题排查过程。用户在尝试通过图形界面关机时遇到问题，主机无法正常关闭。通过对X server的状态检查及日志分析，初步判断问题可能与电源驱动有关。

机器型号：戴尔380

系统：Linux操作系统

使用图形界面启动后，在开始菜单里－》关机，显示器、鼠标、键盘瞬间断电，但是主机保持原状，当ssh远程可以登录该主机，可以成功。

为了找到不能关机的原因：

第一步：ssh状态重新启动startx

[root@localhost ~]# startx xauth: creating new authority file /root/.serverauth.3281 Fatal server error: Server is already active for display 0 If this server is no longer running, remove /tmp/.X0-lock and start again.

第二步：删除老的X0_lock文件

[root@localhost ~]# rm -rf /tmp/.X0-lock

第三步：重启startx

[root@localhost ~]# startx xauth: creating new authority file /root/.serverauth.3336 _XSERVTransSocketINETCreateListener: ...SocketCreateListener() failed _XSERVTransMakeAllCOTSServerListeners: server already running Fatal server error: Cannot establish any listening sockets - Make sure an X server isn't already run ning

第四步：查看X的log记录

[root@localhost ~]# cat /var/log/Xorg.0.log _XSERVTransSocketINETCreateListener: ...SocketCreateListener() failed _XSERVTransMakeAllCOTSServerListeners: server already running Fatal server error: Cannot establish any listening sockets - Make sure an X server isn't already running (WW) xf86CloseConsole: KDSETMODE failed: Bad file descriptor (WW) xf86CloseConsole: VT_GETMODE failed: Bad file descriptor

第五步：重新启动另外一个Xserver。参考http://www.x.org/wiki/FAQErrorMessages

[root@localhost ~]# startx -- :1 xauth: creating new authority file /root/.serverauth.3863 X Window System Version 7.1.1 Release Date: 12 May 2006 X Protocol Version 11, Revision 0, Release 7.1.1 Build Operating System: Linux 2.6.18-128.7AXS3 x86_64 Asianux Current Operating System: Linux localhost.localdomain 2.6.18-128.7NFSxen #1 SMP Sun Dec 26 23:41:47 EST 2010 x86_64 Build Date: 26 August 2010 Build ID: xorg-x11-server 1.1.1-48.52.1NFS Before reporting problems, check http://wiki.x.org to make sure that you have the latest version. Module Loader present Markers: (--) probed, (**) from config file, (==) default setting, (++) from command line, (!!) notice, (II) informational, (WW) warning, (EE) error, (NI) not implemented, (??) unknown. (==) Log file: "/var/log/Xorg.1.log", Time: Thu Mar 31 17:14:22 2011 (==) Using config file: "/etc/X11/xorg.conf"

终端一直处于此状态，显示器没有启动成功。看来不是显示的问题，怀疑是电源驱动的问题。那就升级一下acpid包吧，先看下已安装的版本是acpid-1.0.4-7

待续...