[XeTeX] Text output garbled after system update -- your ideas?

[Kārlis Repsons]

Hi all,

Did anyone have this problem:
after a system update (actually a rebuild..) the old TeXLive installation 
(2009) produces output of known-to work sources with no errors and no 
warnings, but all text is garbled! You can see an example of work main 
headlines in attach...
As I've experimented with switching on and off system fonts, it appears that 
the issue comes out of problems with those... Also it happened for a newer 
version (2010) that update from Linux Libertine font 4.4.1 to 4.7.5 brings 
most portions of text readable (but they are then again not readable with the 
2009 TeXLive).
Any advice?
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