Fontconfig troubles...

[Ivan Gyurdiev]

So... I upgraded to rawhide today, to be greeted by:
- gdm, gnome, kde, kdm, windomaker, rhgb... not working, and failing 
with the most uninformative messages...

I eventually managed to get into a twm shell somehow (through xdm), and 
established gnome programs segfault in libfontconfig: FcCreateStrList 
(or maybe it was FcStrListCreate).

However, after rebuilding the package from source rpm, all problems are 
gone. Why?

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Also, that reminds me once again how hard it is to recover from 
rawhide.  Why can't old versions of rpms be kept on the download server, 
to aid users in the case of a critical failure?