On Fri, Nov 23, 2012 at 11:42:33AM +0800, lina wrote: > Hi, > > I wish to have a screensaver. > > Thanks ahead for recommendation. > > > Below are some background info.: > > lightdm install > lightdm-gtk-greeter install > xfce4 install > xfce4-panel install > xfce4-session install > xfce4-settings install > > xscreensaver doesn't work for me cause it won't recognize the password > due to I use the dovrak layout. To me, seems the reboot is the only resort. You may be pleased to hear that this has been reported as bugs #644534 and #683257. In future, you may try switching to a virtual console and running "xscreensaver-command -display :0 -exit" (though you may need to fiddle with xset permissions, YMMV). Alternatively, just restarting lightdm should work, too.
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