Daniel Lemire's blog

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How to fix pango fonts problems

I recently updated my Mandrake Linux machine and got errors like this one when starting a GTK application:

(gnome_segv:24830): Pango-CRITICAL **: _pango_engine_shape_shape: assertion `PANGO_IS_FONT (font)' failed

The net result is that all GTK-based applications (Firefox, Gnumeric, Gimp, and so on) are broken.

To fix this, log in as root, and type

/usr/bin/pango-querymodules-32 > /etc/pango/i386/pango.modules

You might want to check that pango.modules is indeeed in “/etc/pango/i386”.