.
Thread 1 (process 6139):
#0  0xb7b150a0 in gtk_menu_shell_deactivate ()
   from /usr/lib/libgtk-x11-2.0.so.0
#1  0xb7b1527a in gtk_menu_shell_activate_item ()
   from /usr/lib/libgtk-x11-2.0.so.0
#2  0xb7b16862 in ?? () from /usr/lib/libgtk-x11-2.0.so.0
#3  0x082a02e0 in ?? ()
#4  0x0840c470 in ?? ()
#5  0x00000001 in ?? ()
#6  0xb7d18bac in ?? () from /usr/lib/libgtk-x11-2.0.so.0
#7  0x082a02e0 in ?? ()
#8  0x08383460 in ?? ()
#9  0xbfc28068 in ?? ()
#10 0xb7b0e445 in ?? () from /usr/lib/libgtk-x11-2.0.so.0
#11 0x082a02e0 in ?? ()
#12 0x08383460 in ?? ()
#13 0xbfc28088 in ?? ()
#14 0xb7d18bac in ?? () from /usr/lib/libgtk-x11-2.0.so.0
#15 0xb7b0e3a0 in ?? () from /usr/lib/libgtk-x11-2.0.so.0
#16 0x082a02e0 in ?? ()
#17 0xbfc28088 in ?? ()
#18 0xb7b08600 in _gtk_marshal_BOOLEAN__BOXED ()
   from /usr/lib/libgtk-x11-2.0.so.0
Backtrace stopped: previous frame inner to this frame (corrupt stack?)