#0  0x00007efe5aa23425 in g_type_check_instance_is_fundamentally_a (type_instance=type_instance@entry=0x1, fundamental_type=fundamental_type@entry=80) at /build/buildd/glib2.0-2.44.1/./gobject/gtype.c:4026
  [Error: /build/buildd/glib2.0-2.44.1/./gobject/gtype.c was not found in source tree]
#1  0x00007efe5aa0854b in g_object_get (_object=0x1, first_property_name=first_property_name@entry=0x7efe346324d5 "device-id") at /build/buildd/glib2.0-2.44.1/./gobject/gobject.c:2312
  [Error: /build/buildd/glib2.0-2.44.1/./gobject/gobject.c was not found in source tree]
#2  0x00007efe34626826 in get_device_id (device=device@entry=0x135c4b0) at gsd-wacom-manager.c:140
  135: 	int id;
  136: 
  137: 	g_object_get (device, "gdk-device", &gdk_device, NULL);
  138: 	if (gdk_device == NULL)
  139: 		return -1;
  140: 	g_object_get (gdk_device, "device-id", &id, NULL);
  141: 	return id;
  142: }
  143: 
  144: static XDevice *
  145: open_device (GsdWacomDevice *device)
#3  0x00007efe346268a6 in open_device (device=device@entry=0x135c4b0) at gsd-wacom-manager.c:150
  145: open_device (GsdWacomDevice *device)
  146: {
  147: 	XDevice *xdev;
  148: 	int id;
  149: 
  150: 	id = get_device_id (device);
  151: 	if (id < 0)
  152: 		return NULL;
  153: 
  154: 	gdk_error_trap_push ();
  155: 	xdev = XOpenDevice (GDK_DISPLAY_XDISPLAY (gdk_display_get_default ()), id);
#4  0x00007efe3462702e in set_absolute (device=device@entry=0x135c4b0, is_absolute=1) at gsd-wacom-manager.c:312
  307: set_absolute (GsdWacomDevice  *device,
  308:               gint             is_absolute)
  309: {
  310: 	XDevice *xdev;
  311: 
  312: 	xdev = open_device (device);
  313: 	gdk_error_trap_push ();
  314: 	XSetDeviceMode (GDK_DISPLAY_XDISPLAY (gdk_display_get_default ()), xdev, is_absolute ? Absolute : Relative);
  315: 	if (gdk_error_trap_pop ())
  316: 		g_error ("Failed to set mode \"%s\" for \"%s\".",
  317: 			 is_absolute ? "Absolute" : "Relative", gsd_wacom_device_get_tool_name (device));
#5  0x00007efe34628a56 in wacom_settings_changed (settings=0x14eab50, key=0x1594996 "is-absolute", device=0x135c4b0) at gsd-wacom-manager.c:791
  786: 		set_tpcbutton (device, g_settings_get_boolean (settings, key));
  787: 	} else if (g_str_equal (key, KEY_IS_ABSOLUTE)) {
  788: 		if (type != WACOM_TYPE_CURSOR &&
  789: 		    type != WACOM_TYPE_PAD &&
  790: 		    type != WACOM_TYPE_TOUCH)
  791: 			set_absolute (device, g_settings_get_boolean (settings, key));
  792: 	} else if (g_str_equal (key, KEY_AREA)) {
  793: 		if (type != WACOM_TYPE_CURSOR &&
  794: 		    type != WACOM_TYPE_PAD &&
  795: 		    type != WACOM_TYPE_TOUCH)
  796: 			set_area (device, g_settings_get_value (settings, key));
#6  0x00007efe5aa02f3a in g_cclosure_marshal_VOID__STRINGv (closure=0x13db340, return_value=<optimized out>, instance=<optimized out>, args=<optimized out>, marshal_data=<optimized out>, n_params=<optimized out>, param_types=0x1338e80) at /build/buildd/glib2.0-2.44.1/./gobject/gmarshal.c:1794
  [Error: /build/buildd/glib2.0-2.44.1/./gobject/gmarshal.c was not found in source tree]
#7  0x00007efe5aa00504 in _g_closure_invoke_va (closure=0x1, closure@entry=0x13db340, return_value=0x50, return_value@entry=0x0, instance=0x7ffed907147c, instance@entry=0x14eab50, args=0x0, args@entry=0x7ffed9071780, n_params=22171152, param_types=0x0) at /build/buildd/glib2.0-2.44.1/./gobject/gclosure.c:831
  [Error: /build/buildd/glib2.0-2.44.1/./gobject/gclosure.c was not found in source tree]
#8  0x00007efe5aa19fa7 in g_signal_emit_valist (instance=0x14eab50, signal_id=<optimized out>, detail=1519, var_args=var_args@entry=0x7ffed9071780) at /build/buildd/glib2.0-2.44.1/./gobject/gsignal.c:3214
  [Error: /build/buildd/glib2.0-2.44.1/./gobject/gsignal.c was not found in source tree]
#9  0x00007efe5aa1a8ff in g_signal_emit (instance=instance@entry=0x14eab50, signal_id=<optimized out>, detail=<optimized out>) at /build/buildd/glib2.0-2.44.1/./gobject/gsignal.c:3361
  [Error: /build/buildd/glib2.0-2.44.1/./gobject/gsignal.c was not found in source tree]
#10 0x00007efe5ad0076c in g_settings_real_change_event (settings=0x14eab50, keys=<optimized out>, n_keys=10) at /build/buildd/glib2.0-2.44.1/./gio/gsettings.c:296
  [Error: /build/buildd/glib2.0-2.44.1/./gio/gsettings.c was not found in source tree]
#11 0x00007efe5711ad90 in ffi_call_unix64 () at ../src/x86/unix64.S:76
  [Error: ../src/x86/unix64.S was not found in source tree]
#12 0x00007efe5711a7f8 in ffi_call (cif=cif@entry=0x7ffed9071af0, fn=<optimized out>, rvalue=0x7ffed9071a20, avalue=avalue@entry=0x7ffed90719c0) at ../src/x86/ffi64.c:525
  [Error: ../src/x86/ffi64.c was not found in source tree]
#13 0x00007efe5aa00f3c in g_cclosure_marshal_generic_va (closure=0x1338f50, return_value=0x7ffed9071c40, instance=0x14eab50, args_list=<optimized out>, marshal_data=0x7efe5ad00700 <g_settings_real_change_event>, n_params=2, param_types=0x1338f80) at /build/buildd/glib2.0-2.44.1/./gobject/gclosure.c:1561
  [Error: /build/buildd/glib2.0-2.44.1/./gobject/gclosure.c was not found in source tree]
#14 0x00007efe5aa00504 in _g_closure_invoke_va (closure=0x1, closure@entry=0x1338f50, return_value=0x50, return_value@entry=0x7ffed9071c40, instance=0x7ffed907147c, instance@entry=0x14eab50, args=0x0, args@entry=0x7ffed9071d40, n_params=22171152, param_types=0x0) at /build/buildd/glib2.0-2.44.1/./gobject/gclosure.c:831
  [Error: /build/buildd/glib2.0-2.44.1/./gobject/gclosure.c was not found in source tree]
#15 0x00007efe5aa19a50 in g_signal_emit_valist (instance=0x14eab50, signal_id=<optimized out>, detail=<optimized out>, var_args=var_args@entry=0x7ffed9071d40) at /build/buildd/glib2.0-2.44.1/./gobject/gsignal.c:3214
  [Error: /build/buildd/glib2.0-2.44.1/./gobject/gsignal.c was not found in source tree]
#16 0x00007efe5aa1a8ff in g_signal_emit (instance=instance@entry=0x14eab50, signal_id=<optimized out>, detail=detail@entry=0) at /build/buildd/glib2.0-2.44.1/./gobject/gsignal.c:3361
  [Error: /build/buildd/glib2.0-2.44.1/./gobject/gsignal.c was not found in source tree]
#17 0x00007efe5ad00fe8 in settings_backend_path_changed (target=0x14eab50, backend=<optimized out>, path=<optimized out>, origin_tag=<optimized out>) at /build/buildd/glib2.0-2.44.1/./gio/gsettings.c:397
  [Error: /build/buildd/glib2.0-2.44.1/./gio/gsettings.c was not found in source tree]
#18 0x00007efe5acfbbfa in g_settings_backend_invoke_closure (user_data=0x1431600) at /build/buildd/glib2.0-2.44.1/./gio/gsettingsbackend.c:267
  [Error: /build/buildd/glib2.0-2.44.1/./gio/gsettingsbackend.c was not found in source tree]
#19 0x00007efe5a72ab4d in g_main_dispatch (context=0x1334940) at /build/buildd/glib2.0-2.44.1/./glib/gmain.c:3122
  [Error: /build/buildd/glib2.0-2.44.1/./glib/gmain.c was not found in source tree]
#20 g_main_context_dispatch (context=context@entry=0x1334940) at /build/buildd/glib2.0-2.44.1/./glib/gmain.c:3737
  [Error: /build/buildd/glib2.0-2.44.1/./glib/gmain.c was not found in source tree]
#21 0x00007efe5a72af20 in g_main_context_iterate (context=0x1334940, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at /build/buildd/glib2.0-2.44.1/./glib/gmain.c:3808
  [Error: /build/buildd/glib2.0-2.44.1/./glib/gmain.c was not found in source tree]
#22 0x00007efe5a72b242 in g_main_loop_run (loop=0x13e4cf0) at /build/buildd/glib2.0-2.44.1/./glib/gmain.c:4002
  [Error: /build/buildd/glib2.0-2.44.1/./glib/gmain.c was not found in source tree]
#23 0x00007efe5b1aede5 in gtk_main () at /build/buildd/gtk+3.0-3.14.13/./gtk/gtkmain.c:1207
  [Error: /build/buildd/gtk+3.0-3.14.13/./gtk/gtkmain.c was not found in source tree]
#24 0x00000000004037f1 in main (argc=1, argv=0x7ffed9072088) at main.c:483
  478:                 g_timeout_add_seconds (30, (GSourceFunc) timed_exit_cb, NULL);
  479:         }
  480:      
  481:         gsd_idle_monitor_init_dbus (replace);
  482: 
  483:         gtk_main ();
  484: 
  485:         g_debug ("Shutting down");
  486: 
  487:         if (name_id > 0) {
  488:                 g_bus_unown_name (name_id);