[CentOS] panga font failure in CentOS 6

Hello listmates,

Has anybody experienced the following:

[root at localhost ~]# system-config-date
/usr/share/system-config-date/scdMainWindow.py:232: PangoWarning: failed to
choose a font, expect ugly output. engine-type='PangoRenderFc',
script='common'
  self.xml = gtk.glade.XML
("/usr/share/system-config-date/system-config-date.glade",
domain="system-config-date")
/usr/share/system-config-date/timezone_map_gui.py:313: PangoWarning: failed
to choose a font, expect ugly output. engine-type='PangoRenderFc',
script='latin'
  weight=pango.WEIGHT_BOLD)
[root at localhost ~]#

True to the warning, the fonts do come out as unreadable rectangles.

Anybody know why this happens or how to fix it?

Thanks.

Boris.