GDB output after installing dbg packages


(gdb) backtrace
#0  g_logv (log_domain=0x7ffff6521d81 "GLib-GIO", log_level=<optimized out>, 
    format=0x7ffff653e390 "Settings schema '%s' does not contain a key named '%s'", args1=0x7fffffffb9b8)
    at /build/buildd/glib2.0-2.32.1/./glib/gmessages.c:765
#1  0x00007ffff5f42172 in g_log (log_domain=<optimized out>, 
    log_level=<optimized out>, format=<optimized out>)
    at /build/buildd/glib2.0-2.32.1/./glib/gmessages.c:792
#2  0x00007ffff64dd059 in g_settings_schema_get_value (schema=0x555555c500c0, 
    key=0x7fffbcd6cfc8 "only-one-launcher")
    at /build/buildd/glib2.0-2.32.1/./gio/gsettingsschema.c:640
#3  0x00007ffff64dd217 in g_settings_schema_key_init (key=0x7fffffffbb20, 
    schema=0x555555c500c0, name=0x7fffbcd6cfc8 "only-one-launcher")
    at /build/buildd/glib2.0-2.32.1/./gio/gsettingsschema.c:751
#4  0x00007ffff64e0d8e in g_settings_set_value (settings=0x555555c3ed90, 
    key=0x7fffbcd6cfc8 "only-one-launcher", value=0x555555c75640)
    at /build/buildd/glib2.0-2.32.1/./gio/gsettings.c:1338
#5  0x00007ffff61f7eca in _g_closure_invoke_va (closure=0x555555c60960, 
    return_value=0x0, instance=0x555555c0b470, args=0x7fffffffbe58, 
    n_params=0, param_types=<optimized out>)
    at /build/buildd/glib2.0-2.32.1/./gobject/gclosure.c:840
#6  0x00007ffff6210741 in g_signal_emit_valist (instance=0x555555c0b470, 
    signal_id=<optimized out>, detail=0, var_args=<optimized out>)
    at /build/buildd/glib2.0-2.32.1/./gobject/gsignal.c:3207
---Type <return> to continue, or q <return> to quit---
#7  0x00007ffff6211242 in g_signal_emit (instance=<optimized out>, 
    signal_id=<optimized out>, detail=<optimized out>)
    at /build/buildd/glib2.0-2.32.1/./gobject/gsignal.c:3352
#8  0x00007ffff763472a in gtk_combo_box_set_active_internal (
    combo_box=0x555555c0b470, path=<optimized out>)
    at /build/buildd/gtk+3.0-3.4.2/./gtk/gtkcombobox.c:4353
#9  0x00007ffff76385f8 in gtk_combo_box_set_active (combo_box=0x555555c0b470, 
    index_=1436649888) at /build/buildd/gtk+3.0-3.4.2/./gtk/gtkcombobox.c:4277
#10 0x00007fffbcd65dfc in refresh_unity_launcher_placement (
    self=0x555555bff100) at cc-display-panel.c:2740
#11 0x00007fffbcd6727b in rebuild_gui (self=0x555555bff100)
    at cc-display-panel.c:881
#12 0x00007ffff61f7ca2 in g_closure_invoke (closure=0x55555587e1b0, 
    return_value=0x0, n_param_values=1, param_values=0x7fffffffc2c0, 
    invocation_hint=<optimized out>)
    at /build/buildd/glib2.0-2.32.1/./gobject/gclosure.c:777
#13 0x00007ffff6208d71 in signal_emit_unlocked_R (node=<optimized out>, 
    detail=0, instance=<optimized out>, emission_return=0x0, 
    instance_and_params=0x7fffffffc2c0)
    at /build/buildd/glib2.0-2.32.1/./gobject/gsignal.c:3547
#14 0x00007ffff6211099 in g_signal_emit_valist (instance=0x5555559bab60, 
    signal_id=<optimized out>, detail=0, var_args=<optimized out>)
    at /build/buildd/glib2.0-2.32.1/./gobject/gsignal.c:3296
---Type <return> to continue, or q <return> to quit---
#15 0x00007ffff6211242 in g_signal_emit (instance=<optimized out>, 
    signal_id=<optimized out>, detail=<optimized out>)
    at /build/buildd/glib2.0-2.32.1/./gobject/gsignal.c:3352
#16 0x00007ffff77fbbb0 in gtk_widget_realize (widget=0x5555559bab60)
    at /build/buildd/gtk+3.0-3.4.2/./gtk/gtkwidget.c:4507
#17 0x00007ffff77fc138 in gtk_widget_map (widget=0x5555559bab60)
    at /build/buildd/gtk+3.0-3.4.2/./gtk/gtkwidget.c:4277
#18 0x00007ffff763f2ef in gtk_container_map (widget=0x555555bff100)
    at /build/buildd/gtk+3.0-3.4.2/./gtk/gtkcontainer.c:3228
#19 0x00007ffff61f7eca in _g_closure_invoke_va (closure=0x55555578cfc0, 
    return_value=0x0, instance=0x555555bff100, args=0x7fffffffc908, 
    n_params=0, param_types=<optimized out>)
    at /build/buildd/glib2.0-2.32.1/./gobject/gclosure.c:840
#20 0x00007ffff6210741 in g_signal_emit_valist (instance=0x555555bff100, 
    signal_id=<optimized out>, detail=0, var_args=<optimized out>)
    at /build/buildd/glib2.0-2.32.1/./gobject/gsignal.c:3207
#21 0x00007ffff6211242 in g_signal_emit (instance=<optimized out>, 
    signal_id=<optimized out>, detail=<optimized out>)
    at /build/buildd/glib2.0-2.32.1/./gobject/gsignal.c:3352
#22 0x00007ffff77fc02a in gtk_widget_map (widget=0x555555bff100)
    at /build/buildd/gtk+3.0-3.4.2/./gtk/gtkwidget.c:4279
#23 0x00007ffff61f7ca2 in g_closure_invoke (closure=0x5555557861c0, 
    return_value=0x0, n_param_values=1, param_values=0x7fffffffcbe0, 
---Type <return> to continue, or q <return> to quit---
    invocation_hint=<optimized out>)
    at /build/buildd/glib2.0-2.32.1/./gobject/gclosure.c:777
#24 0x00007ffff6209179 in signal_emit_unlocked_R (node=<optimized out>, 
    detail=0, instance=<optimized out>, emission_return=0x0, 
    instance_and_params=0x7fffffffcbe0)
    at /build/buildd/glib2.0-2.32.1/./gobject/gsignal.c:3477
#25 0x00007ffff6211099 in g_signal_emit_valist (instance=0x555555bff100, 
    signal_id=<optimized out>, detail=0, var_args=<optimized out>)
    at /build/buildd/glib2.0-2.32.1/./gobject/gsignal.c:3296
#26 0x00007ffff6211242 in g_signal_emit (instance=<optimized out>, 
    signal_id=<optimized out>, detail=<optimized out>)
    at /build/buildd/glib2.0-2.32.1/./gobject/gsignal.c:3352
#27 0x00007ffff77fb030 in gtk_widget_show (widget=0x555555bff100)
    at /build/buildd/gtk+3.0-3.4.2/./gtk/gtkwidget.c:4011
#28 gtk_widget_show (widget=0x555555bff100)
    at /build/buildd/gtk+3.0-3.4.2/./gtk/gtkwidget.c:3988
#29 0x000055555555c063 in activate_panel (shell=<optimized out>, 
    id=0x555555beaac0 "display", argv=0x2, desktop_file=<optimized out>, 
    name=0x5555557d0b80 "Displays", gicon=<optimized out>)
    at gnome-control-center.c:189
#30 0x000055555555d593 in _shell_set_active_panel_from_id (
    shell=0x7fffe8008dd0, start_id=0x555555beaac0 "display", argv=0x0, 
    err=<optimized out>) at gnome-control-center.c:973
---Type <return> to continue, or q <return> to quit---
#31 0x000055555555c587 in item_activated_cb (view=<optimized out>, 
    name=<optimized out>, id=0x555555beaac0 "display", 
    desktop_file=<optimized out>, shell=0x7fffe8008dd0)
    at gnome-control-center.c:287
#32 0x00007ffff61f7ca2 in g_closure_invoke (closure=0x555555a303b0, 
    return_value=0x0, n_param_values=4, param_values=0x7fffffffd230, 
    invocation_hint=<optimized out>)
    at /build/buildd/glib2.0-2.32.1/./gobject/gclosure.c:777
#33 0x00007ffff6208d71 in signal_emit_unlocked_R (node=<optimized out>, 
    detail=0, instance=<optimized out>, emission_return=0x0, 
    instance_and_params=0x7fffffffd230)
    at /build/buildd/glib2.0-2.32.1/./gobject/gsignal.c:3547
#34 0x00007ffff6211099 in g_signal_emit_valist (instance=0x5555559b43d0, 
    signal_id=<optimized out>, detail=0, var_args=<optimized out>)
    at /build/buildd/glib2.0-2.32.1/./gobject/gsignal.c:3296
#35 0x00007ffff6211242 in g_signal_emit (instance=<optimized out>, 
    signal_id=<optimized out>, detail=<optimized out>)
    at /build/buildd/glib2.0-2.32.1/./gobject/gsignal.c:3352
#36 0x000055555555f4a3 in iconview_item_activated_cb (
    icon_view=0x5555559b43d0, path=0x5555559dc980, cc_view=0x5555559b43d0)
    at cc-shell-item-view.c:143
#37 0x00007ffff61fb067 in g_cclosure_marshal_VOID__BOXEDv (
    closure=0x555555a09e80, return_value=<optimized out>, 
---Type <return> to continue, or q <return> to quit---
    instance=0x5555559b43d0, args=<optimized out>, 
    marshal_data=<optimized out>, n_params=<optimized out>, 
    param_types=0x55555588a150)
    at /build/buildd/glib2.0-2.32.1/./gobject/gmarshal.c:1160
#38 0x00007ffff61f7eca in _g_closure_invoke_va (closure=0x555555a09e80, 
    return_value=0x0, instance=0x5555559b43d0, args=0x7fffffffd908, 
    n_params=1, param_types=<optimized out>)
    at /build/buildd/glib2.0-2.32.1/./gobject/gclosure.c:840
#39 0x00007ffff6210741 in g_signal_emit_valist (instance=0x5555559b43d0, 
    signal_id=<optimized out>, detail=0, var_args=<optimized out>)
    at /build/buildd/glib2.0-2.32.1/./gobject/gsignal.c:3207
#40 0x00007ffff6211242 in g_signal_emit (instance=<optimized out>, 
    signal_id=<optimized out>, detail=<optimized out>)
    at /build/buildd/glib2.0-2.32.1/./gobject/gsignal.c:3352
#41 0x000055555555f571 in iconview_button_release_event_cb (
    cc_view=<optimized out>, widget=<optimized out>, event=<optimized out>)
    at cc-shell-item-view.c:111
#42 iconview_button_release_event_cb (widget=<optimized out>, 
    event=<optimized out>, cc_view=<optimized out>) at cc-shell-item-view.c:95
#43 0x00007ffff76c6308 in _gtk_marshal_BOOLEAN__BOXED (closure=0x555555ab44d0, 
    return_value=0x7fffffffdba0, n_param_values=<optimized out>, 
    param_values=0x7fffffffdc10, invocation_hint=<optimized out>, 
    marshal_data=<optimized out>)
---Type <return> to continue, or q <return> to quit---
    at /build/buildd/gtk+3.0-3.4.2/./gtk/gtkmarshalers.c:85
#44 0x00007ffff61f7ca2 in g_closure_invoke (closure=0x555555ab44d0, 
    return_value=0x7fffffffdba0, n_param_values=2, 
    param_values=0x7fffffffdc10, invocation_hint=<optimized out>)
    at /build/buildd/glib2.0-2.32.1/./gobject/gclosure.c:777
#45 0x00007ffff6208d71 in signal_emit_unlocked_R (node=<optimized out>, 
    detail=0, instance=<optimized out>, emission_return=0x7fffffffdde0, 
    instance_and_params=0x7fffffffdc10)
    at /build/buildd/glib2.0-2.32.1/./gobject/gsignal.c:3547
#46 0x00007ffff6210d7e in g_signal_emit_valist (instance=0x5555559b43d0, 
    signal_id=<optimized out>, detail=0, var_args=<optimized out>)
    at /build/buildd/glib2.0-2.32.1/./gobject/gsignal.c:3306
#47 0x00007ffff6211242 in g_signal_emit (instance=<optimized out>, 
    signal_id=<optimized out>, detail=<optimized out>)
    at /build/buildd/glib2.0-2.32.1/./gobject/gsignal.c:3352
#48 0x00007ffff77f16e9 in gtk_widget_event_internal (widget=0x5555559b43d0, 
    event=0x555555bd9290) at /build/buildd/gtk+3.0-3.4.2/./gtk/gtkwidget.c:6380
#49 0x00007ffff76c42ab in propagate_event_up (topmost=<optimized out>, 
    event=<optimized out>, widget=0x5555559b43d0)
    at /build/buildd/gtk+3.0-3.4.2/./gtk/gtkmain.c:2404
#50 propagate_event (widget=<optimized out>, event=0x555555bd9290, 
    captured=<optimized out>, topmost=0x0)
    at /build/buildd/gtk+3.0-3.4.2/./gtk/gtkmain.c:2504
---Type <return> to continue, or q <return> to quit---
#51 0x00007ffff76c5fc1 in gtk_main_do_event (event=0x555555bd9290)
    at /build/buildd/gtk+3.0-3.4.2/./gtk/gtkmain.c:1717
#52 0x00007ffff7315d02 in gdk_event_source_dispatch (source=<optimized out>, 
    callback=<optimized out>, user_data=<optimized out>)
    at /build/buildd/gtk+3.0-3.4.2/./gdk/x11/gdkeventsource.c:358
#53 0x00007ffff5f3ac9a in g_main_dispatch (context=0x55555577eb10)
    at /build/buildd/glib2.0-2.32.1/./glib/gmain.c:2515
#54 g_main_context_dispatch (context=0x55555577eb10)
    at /build/buildd/glib2.0-2.32.1/./glib/gmain.c:3052
#55 0x00007ffff5f3b060 in g_main_context_iterate (dispatch=1, 
    block=<optimized out>, context=0x55555577eb10, self=<optimized out>)
    at /build/buildd/glib2.0-2.32.1/./glib/gmain.c:3123
#56 g_main_context_iterate (context=0x55555577eb10, block=<optimized out>, 
    dispatch=1, self=<optimized out>)
    at /build/buildd/glib2.0-2.32.1/./glib/gmain.c:3060
#57 0x00007ffff5f3b124 in g_main_context_iteration (context=0x55555577eb10, 
    may_block=1) at /build/buildd/glib2.0-2.32.1/./glib/gmain.c:3184
#58 0x00007ffff64ceb94 in g_application_run (application=0x5555558a6230, 
    argc=<optimized out>, argv=0x7fffffffe278)
    at /build/buildd/glib2.0-2.32.1/./gio/gapplication.c:1496
#59 0x000055555555b7aa in main (argc=1, argv=0x7fffffffe278)
    at control-center.c:207
(gdb)