为什么 powersaved 不能自动启动？
请问ML中的powersaved怎么设置，为什么我每次在konsole起动了，也设置了ntsysv，每次重起后还要再设。。？我现在在普通用户下，用Konsole进入root,然后启动了powersaved服务，在ntsysv里也设置了，并在root中启动了kpowersave,那个图标出现了，的确降频了，我也把kpowersave开机运行的选项也选上，（如果我在普通用户下打开kpowersave是无法进行设置？）这时我选择重新启动。重启之后进入，发现kpowersave并没有启动，在普通用户状态下（不进入root)打开kpowersave,依然无法设置，并且屏幕显示：
“powersave 守护进程没有运行。
启动此程序将提高性能：rcpowersaved start
可运行chkconfig powersaved on加到自启动服务中”
我用konsole查询
# service powersaved status
powersaved dead but pid file exists
这是为什么啊！？难道说我每次都要手动开一遍服务么？
这里有个帖子，其中一位朋友也是这种情况 http://www.linuxfans.org/nuke/modules.php?name=Forums&file=viewtopic&t=146394&sid=
以下是我的设定步骤， 是按照这里介绍进行设置的 http://mlwiki.maihaohui.com/index.php/Notebook/powersave
但是显示的不太一样。
# service powersaved start
Starting powersaved(accessing ACPI events over acpid)
# kpowersave&
2743
# kpowersave
DCOPClient::attachInternal. Attach failed Could not open network socket
DCOPClient::attachInternal. Attach failed Could not open network socke
DCOPClient::attachInternal. Attach failed Could not open network socke
Link points to "/tmp/ksocket-root"
Link points to "/tmp/kde-root"
kbuildsycoca running...
KWrited - 在设备 /dev/pts/2 上监听
QString::arg(): Argument missing: ?????????
????? 30 ?? %s ??, 30
DCOPClient::attachInternal. Attach failed Could not open network socke
kdeinit: Shutting down running client.
---------------------------------
It looks like dcopserver is already running. If you are sure
that it is not already running, remove /root/.DCOPserver_ML__0
and start dcopserver again.
---------------------------------
KDE Daemon (kded) already running.
kbuildsycoca running...
Reusing existing ksycoca
kbuildsycoca: WARNING: '/usr/share/applications/net-gvim.desktop' spec
kbuildsycoca: WARNING: '/usr/share/applications/net-gvim.desktop' spec
kbuildsycoca: WARNING: '/usr/share/applications/net-gvim.desktop' spec
kbuildsycoca: WARNING: '/usr/share/applications/gimp-2.2.desktop' spec
kbuildsycoca: WARNING: '/usr/share/applications/gimp-2.2.desktop' spec
kbuildsycoca: WARNING: '/usr/share/applications/gimp-2.2.desktop' spec
kbuildsycoca: WARNING: '/usr/share/applications/gimp-2.2.desktop' spec
kbuildsycoca: WARNING: '/usr/share/applications/gimp-2.2.desktop' spec
kbuildsycoca: WARNING: '/usr/share/applications/gimp-2.2.desktop' spec
kbuildsycoca: WARNING: '/usr/share/applications/gimp-2.2.desktop' spec
kbuildsycoca: WARNING: '/usr/share/applications/gimp-2.2.desktop' spec
kbuildsycoca: WARNING: '/usr/share/applications/gimp-2.2.desktop' spec
kbuildsycoca: WARNING: '/usr/share/applications/gimp-2.2.desktop' spec
kbuildsycoca: WARNING: '/usr/share/applications/gimp-2.2.desktop' spec
kbuildsycoca: WARNING: '/usr/share/applications/gimp-2.2.desktop' spec
kbuildsycoca: WARNING: '/usr/share/applications/gimp-2.2.desktop' spec
kbuildsycoca: WARNING: '/usr/share/applications/gimp-2.2.desktop' spec
kbuildsycoca: WARNING: '/usr/share/applications/gimp-2.2.desktop' spec
kbuildsycoca: WARNING: '/usr/share/applications/gimp-2.2.desktop' spec
kbuildsycoca: WARNING: '/usr/share/applications/gimp-2.2.desktop' spec
kbuildsycoca: WARNING: '/usr/share/applications/wine.desktop' specifie
kbuildsycoca: WARNING: '/usr/share/applications/wine.desktop' specifie
kbuildsycoca: WARNING: '/usr/share/applications/wine.desktop' specifie
kbuildsycoca: WARNING: '/usr/share/applications/wine.desktop' specifie
kbuildsycoca: WARNING: '/usr/share/applications/wine.desktop' specifie
kbuildsycoca: WARNING: '/usr/share/applications/wine.desktop' specifie
kbuildsycoca: WARNING: '/usr/share/applications/wine.desktop' specifie
kbuildsycoca: WARNING: '/usr/share/applications/wine.desktop' specifie
kbuildsycoca: WARNING: '/usr/share/applications/wine.desktop' specifie
kbuildsycoca: WARNING: 'kcertpart.desktop' specifies undefined mimetyp
kbuildsycoca: WARNING: '/usr/share/applications/kde/kaffeine.desktop'
kbuildsycoca: WARNING: 'kaffeine_part.desktop' specifies undefined mim
kbuildsycoca: WARNING: 'kaffeine_part.desktop' specifies undefined mim
kbuildsycoca: WARNING: 'qeditor_part.desktop' specifies undefined mime
kbuildsycoca: WARNING: 'qeditor_part.desktop' specifies undefined mime
kbuildsycoca: WARNING: 'qeditor_part.desktop' specifies undefined mime
kbuildsycoca: WARNING: 'qeditor_part.desktop' specifies undefined mime
kbuildsycoca: WARNING: 'knotify.desktop' specifies undefined mimetype/
kbuildsycoca: WARNING: '/usr/share/applications/mplayer.desktop' speci
kbuildsycoca: WARNING: '/usr/share/applications/amarok.desktop' specif
KPowersave is already running!
+Done kpowersave
第一次启动kpowersave 是这样的，以后每次启动只有这个
Link points to "/tmp/ksocket-root"
Link points to "/tmp/kde-root"
kbuildsycoca running...
KWrited - 在设备 /dev/pts/2 上监听
QString::arg(): Argument missing: ?????????
????? 30 ?? %s ??, 30 sorry，这是移植 powersaved 时引入的一个 BUG，由于 powersaved 依赖 HAL，我们没有注意到其启动顺序被放在了 HAL 前方，导致不能在启动时正常加载。修改方法：
编辑 powersaved 脚本：
kwrite /etc/rc.d/init.d/powersaved
修改 # chkconfig: 345 66 34为 # chkconfig: 345 99 01 并保存：
#!/bin/bash
# chkconfig: 345 66 34
# description: Powersave Daemon
# processname: powersaved
#!/bin/bash
# chkconfig: 345 99 01
# description: Powersave Daemon
# processname: powersaved
这是为了把启动顺序置于 haldaemon(98) 之后(99)，而关闭顺序置于 haldaemon(02) 之前(01)。也可以使用图形用户界面的 SysV init 编辑器修改(在系统菜单里)。
然后执行：
chkconfig --level 2345 powersaved on
在 2-5 四个运行级启动 powersaved，最后运行：
service powersaved start
立即启动 powersaved 服务，此时您会看到：
Starting powersaved(accessing ACPI events over acpid) [OK]
最后在系统菜单里选择 kpowersaved 启动电源管理工具即可。为了使普通用户也能正常执行 kpowersaved，你需要编辑 /etc/sudoers，例如你的用户名是 athena，在 athena 为首的一行添加 kpowersave 命令：
athena ALL=NOPASSWD:/bin/mount -t iso9660 -o loop\,ro\,nodev\,exec\,nosuid\,* */Mount-ISO*,/bin/umount */Mount-ISO*,/usr/sbin/adsl-connect,/usr/sbin/adsl-start,/usr/sbin/adsl-status,/usr/sbin/adsl-stop,/usr/bin/kpowersave
注意命令之间用逗号隔开。 楼上的方法试了，没有作用阿。 什么叫没有作用？是服务没有启动，还是启动服务后 CPU 不能降频？ 服务没有启动啊 “powersave 守护进程没有运行。
启动此程序将提高性能：rcpowersaved start
可运行chkconfig powersaved on加到自启动服务中”
这几行依旧存在
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