.
Thread 1 (process 7086):
#0  0x00007fe884231456 in gtk_widget_remove_mnemonic_label ()
   from /usr/lib/libgtk-x11-2.0.so.0
#1  0x00007fe8841132c1 in gtk_label_set_mnemonic_widget ()
   from /usr/lib/libgtk-x11-2.0.so.0
#2  0x00007fe88411334b in ?? () from /usr/lib/libgtk-x11-2.0.so.0
#3  0x00007fe8836ceceb in g_closure_invoke ()
   from /usr/lib/libgobject-2.0.so.0
#4  0x00007fe8836e4089 in ?? () from /usr/lib/libgobject-2.0.so.0
#5  0x00007fe8836e5377 in g_signal_emit_valist ()
   from /usr/lib/libgobject-2.0.so.0
#6  0x00007fe8836e5833 in g_signal_emit () from /usr/lib/libgobject-2.0.so.0
#7  0x00007fe884148230 in ?? () from /usr/lib/libgtk-x11-2.0.so.0
#8  0x00007fe8836d0ed0 in g_object_run_dispose ()
   from /usr/lib/libgobject-2.0.so.0
#9  0x00007fe88405e4f0 in ?? () from /usr/lib/libgtk-x11-2.0.so.0
#10 0x00007fe88409a0d1 in ?? () from /usr/lib/libgtk-x11-2.0.so.0
#11 0x00007fe8836ceceb in g_closure_invoke ()
   from /usr/lib/libgobject-2.0.so.0
#12 0x00007fe8836e4089 in ?? () from /usr/lib/libgobject-2.0.so.0
#13 0x00007fe8836e5377 in g_signal_emit_valist ()
   from /usr/lib/libgobject-2.0.so.0
#14 0x00007fe8836e5833 in g_signal_emit () from /usr/lib/libgobject-2.0.so.0
#15 0x00007fe884148230 in ?? () from /usr/lib/libgtk-x11-2.0.so.0
#16 0x00007fe8836d0ed0 in g_object_run_dispose ()
   from /usr/lib/libgobject-2.0.so.0
#17 0x00007fe88409a0d1 in ?? () from /usr/lib/libgtk-x11-2.0.so.0
#18 0x00007fe8836ceceb in g_closure_invoke ()
   from /usr/lib/libgobject-2.0.so.0
#19 0x00007fe8836e4089 in ?? () from /usr/lib/libgobject-2.0.so.0
#20 0x00007fe8836e5377 in g_signal_emit_valist ()
   from /usr/lib/libgobject-2.0.so.0
#21 0x00007fe8836e5833 in g_signal_emit () from /usr/lib/libgobject-2.0.so.0
#22 0x00007fe884148230 in ?? () from /usr/lib/libgtk-x11-2.0.so.0
#23 0x00007fe8836d0ed0 in g_object_run_dispose ()
   from /usr/lib/libgobject-2.0.so.0
#24 0x00007fe88409a0d1 in ?? () from /usr/lib/libgtk-x11-2.0.so.0
#25 0x00007fe8836cec1f in g_closure_invoke ()
   from /usr/lib/libgobject-2.0.so.0
#26 0x00007fe8836e4089 in ?? () from /usr/lib/libgobject-2.0.so.0
#27 0x00007fe8836e5377 in g_signal_emit_valist ()
   from /usr/lib/libgobject-2.0.so.0
#28 0x00007fe8836e5833 in g_signal_emit () from /usr/lib/libgobject-2.0.so.0
#29 0x00007fe884148230 in ?? () from /usr/lib/libgtk-x11-2.0.so.0
#30 0x00007fe8836d0ed0 in g_object_run_dispose ()
   from /usr/lib/libgobject-2.0.so.0
#31 0x00007fe8841ef23c in ?? () from /usr/lib/libgtk-x11-2.0.so.0
#32 0x00007fe8836d0b10 in g_object_unref () from /usr/lib/libgobject-2.0.so.0
#33 0x00007fe883d60838 in ?? () from /usr/lib/libgdk-x11-2.0.so.0
#34 0x00007fe88343aa2e in ?? () from /usr/lib/libglib-2.0.so.0
#35 0x00007fe88343afff in ?? () from /usr/lib/libglib-2.0.so.0
#36 0x00007fe88343b4d9 in g_main_context_dispatch ()
   from /usr/lib/libglib-2.0.so.0
#37 0x00007fe88343e695 in ?? () from /usr/lib/libglib-2.0.so.0
#38 0x00007fe88343e9b5 in g_main_loop_run () from /usr/lib/libglib-2.0.so.0
#39 0x00007fe8810b9396 in bonobo_main () from /usr/lib/libbonobo-2.so.0
#40 0x00007fe8810b7861 in bonobo_generic_factory_main_timeout ()
   from /usr/lib/libbonobo-2.so.0
#41 0x00007fe884f0b604 in panel_applet_factory_main_closure ()
   from /usr/lib/libpanel-applet-2.so.0
#42 0x00000000004048ab in ?? ()
#43 0x00007fe882ea41c4 in __libc_start_main () from /lib/libc.so.6
#44 0x0000000000404729 in ?? ()
#45 0x00007fff8d331558 in ?? ()
#46 0x0000000000000000 in ?? ()