Comment 4 for bug 1169721

Dima Ryazanov, try other gtk engines or update package gtk2-engines-oxygen to version >= 1.3.3-2.

It is a bug in function g_spawn_command_line_sync() in libglib >= 2.36

We recently added a workaround for it in gtk2-engines-oxygen and gtk2-engines-qtcurve:
http://anonscm.debian.org/gitweb/?p=pkg-kde/kde-extras/gtk2-engines-oxygen.git;a=commitdiff;h=6f9f175
https://github.com/tehnick/gtk2-engines-qtcurve-debian/commit/0c69763