Crash!

Application: KDE Daemon (kded4), signal: Segmentation fault
Using host libthread_db library "/lib64/libthread_db.so.1".
82	T_PSEUDO (SYSCALL_SYMBOL, SYSCALL_NAME, SYSCALL_NARGS)
[KCrash Handler]
#6  gtk_module_info_unref (info=0x12cb530) at gtkmodules.c:393
#7  settings_destroy_notify (data=0x129c840) at gtkmodules.c:553
#8  0x00007f9f9192c4f2 in settings_update_modules (settings=0x1289c00 [GtkSettings]) at gtksettings.c:2054
#9  gtk_settings_notify (object=0x1289c00 [GtkSettings], pspec=0x1272590 [GParamString]) at gtksettings.c:1212
#10 0x0000003d5fe0edbc in g_closure_invoke (closure=closure@entry=0x11f91b0, return_value=return_value@entry=0x0, n_param_values=2, param_values=param_values@entry=0x14790c0, invocation_hint=invocation_hint@entry=0x7fffc4fbf990) at gclosure.c:774
#11 0x0000003d5fe1ea8e in signal_emit_unlocked_R (node=node@entry=0x11f9260, detail=detail@entry=116, instance=instance@entry=0x1289c00, emission_return=emission_return@entry=0x0, instance_and_params=instance_and_params@entry=0x14790c0) at gsignal.c:3232
#12 0x0000003d5fe2652c in g_signal_emit_valist (instance=<optimized out>, signal_id=<optimized out>, detail=<optimized out>, var_args=var_args@entry=0x7fffc4fbfb18) at gsignal.c:3033
#13 0x0000003d5fe266e2 in g_signal_emit (instance=<optimized out>, signal_id=<optimized out>, detail=<optimized out>) at gsignal.c:3090
#14 0x0000003d5fe11de5 in g_object_dispatch_properties_changed (object=0x1289c00 [GtkSettings], n_pspecs=0, pspecs=0x7f9f98cc5bc0) at gobject.c:1031
#15 0x0000003d5fe138db in g_object_notify_by_spec_internal (pspec=0x1272590 [GParamString], object=0x1289c00 [GtkSettings]) at gobject.c:1123
#16 g_object_notify (object=0x1289c00 [GtkSettings], property_name=property_name@entry=0x7f9f91b09f30 "gtk-modules") at gobject.c:1165
#17 0x00007f9f9192f923 in _gtk_settings_handle_event (event=<optimized out>) at gtksettings.c:1967
#18 0x00007f9f918b2d15 in IA__gtk_main_do_event (event=0x1369520) at gtkmain.c:1499
#19 0x00007f9f9150807c in gdk_event_dispatch (source=source@entry=0x1285410, callback=<optimized out>, user_data=<optimized out>) at gdkevents-x11.c:2377
#20 0x0000003d5f646c3c in g_main_dispatch (context=0x11af300) at gmain.c:2513
#21 g_main_context_dispatch (context=context@entry=0x11af300) at gmain.c:3050
#22 0x0000003d5f646f91 in g_main_context_iterate (context=context@entry=0x11af300, block=block@entry=1, dispatch=dispatch@entry=1, self=<error reading variable: Unhandled dwarf expression opcode 0xfa>) at gmain.c:3121
#23 0x0000003d5f647104 in g_main_context_iteration (context=0x11af300, may_block=1) at gmain.c:3182
#24 0x0000003d603a7c3f in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib64/libQtCore.so.4
#25 0x0000003d60a6c68e in ?? () from /usr/lib64/libQtGui.so.4
#26 0x0000003d603780d2 in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib64/libQtCore.so.4
#27 0x0000003d60378327 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib64/libQtCore.so.4
#28 0x0000003d6037cd25 in QCoreApplication::exec() () from /usr/lib64/libQtCore.so.4
#29 0x0000003d61608580 in kdemain () from /usr/lib64/libkdeinit4_kded4.so
#30 0x0000003b19e2159d in __libc_start_main (main=0x400770, argc=1, ubp_av=0x7fffc4fc02a8, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7fffc4fc0298) at libc-start.c:226
#31 0x00000000004007a1 in _start ()