I'm running a mostly testing system with the KDE 2.2.2-14.7 packages installed. For many months this has been a sick puppy. Many fonts were invisible, the help text was invisible, and more recently lots of apps, including the control panel were showing up with entire windows or widgets that have apparently infinite horizontal width (rendering them unusable).
I moved my ~/.kde and .kderc files aside, and *all* these problems went away. Simply by toggling "Use Anti-Aliasing for fonts and icons" on in the Control Center | Look & Feel | Fonts I can make much of the bad behavior reappear (in particular, the infinite horizontal width problem). Does anyone know why this is? For example, are the KDE 2.2 packages built with an older gcc, and the font libraries have migrated to a newer, incompatible gcc? Is it a sign I've misconfigured XftConfig? Is XftConfig the relevant file, and exactly what libraries does this toggle box try to use?