To quickly resolve the garbage firefox screen with slax website:
1. Edit /etc/X11/gui.conf with SKIP_XCONF=yes.
2. Edit /etc/X11/xorg.conf with Option “XAANoOffscreenPixmaps” “true” in the “Device” section.
3. Ctrl + Alt + Backspace
refer: http://www.ab9il.net/linux/firefox-3-xconf.html
