I confirm what Dmitry Kurochkin says, I've got the same problem here, but only on Amd64 architecture. Works fine on my ia32 computer.
The only way to make an app starts is to use " < /dev/null ". Also, applications such as gajim started from a menu work ok but not if you start them by the command line. Here are some informations on the system : ii python 2.5.2-1 An interactive high-level object-oriented language (defaul ii python-gtk2 2.12.1-3 Python bindings for the GTK+ widget set ii python-gobject 2.14.1-6 Python bindings for the GObject library ii python2.5 2.5.2-5 An interactive high-level object-oriented language (versio
pgpQidJkHi1Xp.pgp
Description: PGP signature

