Originally Posted by roshi
(Just noticed that I forgot to place the "GlyphCache=0" in my /etc/modprobe.d/nvidia, so on reboot it was getting set to 1 again. so it might cure...)
Are you sure /etc/modprobe.d/nvidia allows to run command upon login? GlyphCache value should be set in a running X.org session, so you'd better put this setting into KDE autostart.