1.check fontpath like this
 # chkfontpath
  2. modiyfy your /etc/X11/XF86Config file
     FontPath   "/usr/X11R6/lib/X11/fonts/sun"
                                         ^^^ <- your fonts
#   FontPath   "/usr/share/fonts/hangul/mh"
    FontPath   "unix/:7100"
 3. modify your /etc/X11/fs/config
   #catalogue = /usr/X11R6/lib/X11/fonts/misc:unscaled,
   catalogue = /usr/X11R6/lib/X11/fonts/sun,
        /usr/X11R6/lib/X11/fonts/baekmuk,
        /usr/share/fonts/hangul/mh,
        /usr/X11R6/lib/X11/fonts/yoondesign,
        /usr/X11R6/lib/X11/fonts/75dpi:unscaled,
        /usr/X11R6/lib/X11/fonts/100dpi:unscaled,
        /usr/X11R6/lib/X11/fonts/misc
 4. restart font server
   /etc/rc.d/init.d/xfs stop
   /etc/rc.d/init.d/xfs start