#0  0x00007f427447a89b in _g_log_abort (breakpoint=1) at /build/glib2.0-3UmwzF/glib2.0-2.46.0/./glib/gmessages.c:324
  [Error: gmessages.c was not found in source tree]
#1  g_logv (log_domain=0x7f4272bdb40e "Gdk", log_level=G_LOG_LEVEL_ERROR, format=<optimized out>, args=args@entry=0x7ffc9d7dd8c0) at /build/glib2.0-3UmwzF/glib2.0-2.46.0/./glib/gmessages.c:1081
  [Error: gmessages.c was not found in source tree]
#2  0x00007f427447aa0f in g_log (log_domain=log_domain@entry=0x7f4272bdb40e "Gdk", log_level=log_level@entry=G_LOG_LEVEL_ERROR, format=format@entry=0x7f4272bf803f "%s") at /build/glib2.0-3UmwzF/glib2.0-2.46.0/./glib/gmessages.c:1119
  [Error: gmessages.c was not found in source tree]
#3  0x00007f4272ba4828 in _gdk_x11_display_error_event (display=display@entry=0x24e70b0, error=error@entry=0x7ffc9d7dda80) at /build/gtk+3.0-pIzeMy/gtk+3.0-3.16.7/./gdk/x11/gdkdisplay-x11.c:2593
  [Error: gdkdisplay-x11.c was not found in source tree]
#4  0x00007f4272baf879 in gdk_x_error (xdisplay=0x24d33a0, error=0x7ffc9d7dda80) at /build/gtk+3.0-pIzeMy/gtk+3.0-3.16.7/./gdk/x11/gdkmain-x11.c:303
  [Error: gdkmain-x11.c was not found in source tree]
#5  0x00007f42713f1c4d in _XError (dpy=dpy@entry=0x24d33a0, rep=rep@entry=0x3cc6c90) at ../../src/XlibInt.c:1429
  [Error: XlibInt.c was not found in source tree]
#6  0x00007f42713eead7 in handle_error (dpy=dpy@entry=0x24d33a0, err=0x3cc6c90, in_XReply=in_XReply@entry=1) at ../../src/xcb_io.c:213
  [Error: xcb_io.c was not found in source tree]
#7  0x00007f42713efc58 in _XReply (dpy=0x24d33a0, rep=0x7ffc9d7ddc30, extra=0, discard=0) at ../../src/xcb_io.c:699
  [Error: xcb_io.c was not found in source tree]
#8  0x00007f423be55188 in ?? () from /tmp/apport_sandbox_VlDWyl/usr/lib/nvidia-352/libGL.so.1
#9  0x00007f423be55c89 in ?? () from /tmp/apport_sandbox_VlDWyl/usr/lib/nvidia-352/libGL.so.1
#10 0x00007f423c103804 in widget_realized () at gl-spectrum.c:310
  [Error: gl-spectrum.c was not found in source tree]
#11 0x00007f427474a015 in g_closure_invoke (closure=0x3aac270, return_value=return_value@entry=0x0, n_param_values=1, param_values=param_values@entry=0x7ffc9d7ddfc0, invocation_hint=invocation_hint@entry=0x7ffc9d7ddf40) at /build/glib2.0-3UmwzF/glib2.0-2.46.0/./gobject/gclosure.c:801
  [Error: gclosure.c was not found in source tree]
#12 0x00007f427475c061 in signal_emit_unlocked_R (node=node@entry=0x24aa200, detail=detail@entry=0, instance=instance@entry=0x2508c30, emission_return=emission_return@entry=0x0, instance_and_params=instance_and_params@entry=0x7ffc9d7ddfc0) at /build/glib2.0-3UmwzF/glib2.0-2.46.0/./gobject/gsignal.c:3627
  [Error: gsignal.c was not found in source tree]
#13 0x00007f4274764dfc in g_signal_emit_valist (instance=<optimized out>, signal_id=<optimized out>, detail=<optimized out>, var_args=var_args@entry=0x7ffc9d7de170) at /build/glib2.0-3UmwzF/glib2.0-2.46.0/./gobject/gsignal.c:3383
  [Error: gsignal.c was not found in source tree]
#14 0x00007f427476512f in g_signal_emit (instance=instance@entry=0x2508c30, signal_id=<optimized out>, detail=detail@entry=0) at /build/glib2.0-3UmwzF/glib2.0-2.46.0/./gobject/gsignal.c:3439
  [Error: gsignal.c was not found in source tree]
#15 0x00007f427397af2c in gtk_widget_realize (widget=widget@entry=0x2508c30) at /build/gtk+3.0-pIzeMy/gtk+3.0-3.16.7/./gtk/gtkwidget.c:5525
  [Error: gtkwidget.c was not found in source tree]
#16 0x00007f427397b210 in gtk_widget_map (widget=0x2508c30) at /build/gtk+3.0-pIzeMy/gtk+3.0-3.16.7/./gtk/gtkwidget.c:5052
  [Error: gtkwidget.c was not found in source tree]
#17 0x00007f4273738d77 in gtk_box_forall (container=<optimized out>, include_internals=<optimized out>, callback=0x7f427377bd90 <gtk_container_map_child>, callback_data=0x0) at /build/gtk+3.0-pIzeMy/gtk+3.0-3.16.7/./gtk/gtkbox.c:2558
  [Error: gtkbox.c was not found in source tree]
#18 0x00007f427377f40f in gtk_container_map (widget=0x3a97a50) at /build/gtk+3.0-pIzeMy/gtk+3.0-3.16.7/./gtk/gtkcontainer.c:3563
  [Error: gtkcontainer.c was not found in source tree]
#19 0x00007f427474a192 in _g_closure_invoke_va (closure=closure@entry=0x24ab750, return_value=return_value@entry=0x0, instance=instance@entry=0x3a97a50, args=args@entry=0x7ffc9d7de530, n_params=0, param_types=0x0) at /build/glib2.0-3UmwzF/glib2.0-2.46.0/./gobject/gclosure.c:864
  [Error: gclosure.c was not found in source tree]
#20 0x00007f4274764a46 in g_signal_emit_valist (instance=0x3a97a50, signal_id=<optimized out>, detail=0, var_args=var_args@entry=0x7ffc9d7de530) at /build/glib2.0-3UmwzF/glib2.0-2.46.0/./gobject/gsignal.c:3292
  [Error: gsignal.c was not found in source tree]
#21 0x00007f427476512f in g_signal_emit (instance=instance@entry=0x3a97a50, signal_id=<optimized out>, detail=detail@entry=0) at /build/glib2.0-3UmwzF/glib2.0-2.46.0/./gobject/gsignal.c:3439
  [Error: gsignal.c was not found in source tree]
#22 0x00007f427397b1c1 in gtk_widget_map (widget=0x3a97a50) at /build/gtk+3.0-pIzeMy/gtk+3.0-3.16.7/./gtk/gtkwidget.c:5054
  [Error: gtkwidget.c was not found in source tree]
#23 0x00007f42739904c0 in gtk_window_map (widget=0x325ff70) at /build/gtk+3.0-pIzeMy/gtk+3.0-3.16.7/./gtk/gtkwindow.c:6001
  [Error: gtkwindow.c was not found in source tree]
#24 0x00007f427474a244 in _g_closure_invoke_va (closure=closure@entry=0x24ab750, return_value=return_value@entry=0x0, instance=instance@entry=0x325ff70, args=args@entry=0x7ffc9d7de860, n_params=<optimized out>, param_types=0x0) at /build/glib2.0-3UmwzF/glib2.0-2.46.0/./gobject/gclosure.c:864
  [Error: gclosure.c was not found in source tree]
#25 0x00007f4274764a46 in g_signal_emit_valist (instance=0x325ff70, signal_id=<optimized out>, detail=0, var_args=var_args@entry=0x7ffc9d7de860) at /build/glib2.0-3UmwzF/glib2.0-2.46.0/./gobject/gsignal.c:3292
  [Error: gsignal.c was not found in source tree]
#26 0x00007f427476512f in g_signal_emit (instance=instance@entry=0x325ff70, signal_id=<optimized out>, detail=detail@entry=0) at /build/glib2.0-3UmwzF/glib2.0-2.46.0/./gobject/gsignal.c:3439
  [Error: gsignal.c was not found in source tree]
#27 0x00007f427397b1c1 in gtk_widget_map (widget=0x325ff70) at /build/gtk+3.0-pIzeMy/gtk+3.0-3.16.7/./gtk/gtkwidget.c:5054
  [Error: gtkwidget.c was not found in source tree]
#28 0x00007f4273988701 in gtk_window_show (widget=0x325ff70) at /build/gtk+3.0-pIzeMy/gtk+3.0-3.16.7/./gtk/gtkwindow.c:5911
  [Error: gtkwindow.c was not found in source tree]
#29 0x00007f427474a015 in g_closure_invoke (closure=closure@entry=0x24ab2d0, return_value=return_value@entry=0x0, n_param_values=1, param_values=param_values@entry=0x7ffc9d7debd0, invocation_hint=invocation_hint@entry=0x7ffc9d7deb50) at /build/glib2.0-3UmwzF/glib2.0-2.46.0/./gobject/gclosure.c:801
  [Error: gclosure.c was not found in source tree]
#30 0x00007f427475bb9c in signal_emit_unlocked_R (node=node@entry=0x24ab320, detail=detail@entry=0, instance=instance@entry=0x325ff70, emission_return=emission_return@entry=0x0, instance_and_params=instance_and_params@entry=0x7ffc9d7debd0) at /build/glib2.0-3UmwzF/glib2.0-2.46.0/./gobject/gsignal.c:3557
  [Error: gsignal.c was not found in source tree]
#31 0x00007f4274764dfc in g_signal_emit_valist (instance=<optimized out>, signal_id=<optimized out>, detail=<optimized out>, var_args=var_args@entry=0x7ffc9d7ded80) at /build/glib2.0-3UmwzF/glib2.0-2.46.0/./gobject/gsignal.c:3383
  [Error: gsignal.c was not found in source tree]
#32 0x00007f427476512f in g_signal_emit (instance=instance@entry=0x325ff70, signal_id=<optimized out>, detail=detail@entry=0) at /build/glib2.0-3UmwzF/glib2.0-2.46.0/./gobject/gsignal.c:3439
  [Error: gsignal.c was not found in source tree]
#33 0x00007f4273976b4c in gtk_widget_show (widget=0x325ff70) at /build/gtk+3.0-pIzeMy/gtk+3.0-3.16.7/./gtk/gtkwidget.c:4862
  [Error: gtkwidget.c was not found in source tree]
#34 0x0000000000420244 in vis_load (plugin=0x2f9aeb0) at visualization.c:150
  145:     if (vis->widget != NULL)
  146:     {
  147:         AUDDBG ("Adding %s to interface.\n", plugin_get_name (plugin));
  148:         g_signal_connect (vis->widget, "destroy", (GCallback)
  149:          gtk_widget_destroyed, & vis->widget);
  150:         interface_add_plugin_widget (plugin, vis->widget);
  151:     }
  152: 
  153:     if (PLUGIN_HAS_FUNC (header, clear))
  154:         vis_func_add (AUD_VIS_TYPE_CLEAR, (GCallback) header->clear);
  155:     if (PLUGIN_HAS_FUNC (header, render_mono_pcm))
#35 0x00000000004207fc in vis_plugin_start (plugin=plugin@entry=0x2f9aeb0) at visualization.c:232
  227: 
  228:     if (vp->init != NULL && ! vp->init ())
  229:         return FALSE;
  230: 
  231:     if (running)
  232:         vis_load (plugin);
  233: 
  234:     return TRUE;
  235: }
  236: 
  237: void vis_plugin_stop (PluginHandle * plugin)
#36 0x000000000041af60 in enable_multi (enable=1, p=0x2f9aeb0, type=5) at plugin-init.c:256
  251:     AUDDBG ("%sabling %s.\n", enable ? "En" : "Dis", plugin_get_name (p));
  252:     plugin_set_enabled (p, enable);
  253: 
  254:     if (enable)
  255:     {
  256:         if (table[type].u.m.start && ! table[type].u.m.start (p))
  257:         {
  258:             fprintf (stderr, "%s failed to start.\n", plugin_get_name (p));
  259:             plugin_set_enabled (p, FALSE);
  260:             return FALSE;
  261:         }
#37 plugin_enable (plugin=0x2f9aeb0, enable=1) at plugin-init.c:285
  280:     {
  281:         g_return_val_if_fail (enable, FALSE);
  282:         return enable_single (type, plugin);
  283:     }
  284: 
  285:     return enable_multi (type, plugin, enable);
  286: }
  287: 
  288: /* Miscellaneous plugin-related functions ... */
  289: 
  290: PluginHandle * plugin_by_widget (/* GtkWidget * */ void * widget)
#38 0x000000000041b85b in do_enable (cell=<optimized out>, path_str=<optimized out>, model=0x3a705a0) at plugin-view.c:74
  69:     bool_t enabled;
  70:     gtk_tree_model_get (model, & iter, PVIEW_COL_NODE, & n,
  71:      PVIEW_COL_ENABLED, & enabled, -1);
  72:     g_return_if_fail (n != NULL);
  73: 
  74:     plugin_enable (n->p, ! enabled);
  75: }
  76: 
  77: static bool_t list_watcher (PluginHandle * p, Node * n)
  78: {
  79:     GtkTreeIter iter;
#39 0x00007f427474caca in g_cclosure_marshal_VOID__STRINGv (closure=0x3a8fa40, return_value=<optimized out>, instance=<optimized out>, args=<optimized out>, marshal_data=<optimized out>, n_params=<optimized out>, param_types=0x3a81250) at /build/glib2.0-3UmwzF/glib2.0-2.46.0/./gobject/gmarshal.c:1794
  [Error: gmarshal.c was not found in source tree]
#40 0x00007f427474a244 in _g_closure_invoke_va (closure=closure@entry=0x3a8fa40, return_value=return_value@entry=0x0, instance=instance@entry=0x3a63c00, args=args@entry=0x7ffc9d7df1b0, n_params=<optimized out>, param_types=0x3a81250) at /build/glib2.0-3UmwzF/glib2.0-2.46.0/./gobject/gclosure.c:864
  [Error: gclosure.c was not found in source tree]
#41 0x00007f4274764a46 in g_signal_emit_valist (instance=0x3a63c00, signal_id=<optimized out>, detail=0, var_args=var_args@entry=0x7ffc9d7df1b0) at /build/glib2.0-3UmwzF/glib2.0-2.46.0/./gobject/gsignal.c:3292
  [Error: gsignal.c was not found in source tree]
#42 0x00007f427476512f in g_signal_emit (instance=<optimized out>, signal_id=<optimized out>, detail=detail@entry=0) at /build/glib2.0-3UmwzF/glib2.0-2.46.0/./gobject/gsignal.c:3439
  [Error: gsignal.c was not found in source tree]
#43 0x00007f4273765f71 in gtk_cell_renderer_toggle_activate (cell=<optimized out>, event=<optimized out>, widget=<optimized out>, path=<optimized out>, background_area=<optimized out>, cell_area=<optimized out>, flags=(unknown: 0)) at /build/gtk+3.0-pIzeMy/gtk+3.0-3.16.7/./gtk/gtkcellrenderertoggle.c:443
  [Error: gtkcellrenderertoggle.c was not found in source tree]
#44 0x00007f4273753502 in gtk_cell_area_activate_cell (area=area@entry=0x39ba1f0, widget=widget@entry=0x3946bb0, renderer=renderer@entry=0x3a63c00, event=event@entry=0x3ad92e0, cell_area=cell_area@entry=0x7ffc9d7df350, flags=flags@entry=(unknown: 0)) at /build/gtk+3.0-pIzeMy/gtk+3.0-3.16.7/./gtk/gtkcellarea.c:3420
  [Error: gtkcellarea.c was not found in source tree]
#45 0x00007f42737538be in gtk_cell_area_real_event (area=0x39ba1f0, context=<optimized out>, widget=0x3946bb0, event=0x3ad92e0, cell_area=0x7ffc9d7df410, flags=(unknown: 0)) at /build/gtk+3.0-pIzeMy/gtk+3.0-3.16.7/./gtk/gtkcellarea.c:1102
  [Error: gtkcellarea.c was not found in source tree]
#46 0x00007f4273959ee7 in gtk_tree_view_multipress_gesture_pressed (gesture=0x39583f0, n_press=1, x=<optimized out>, y=<optimized out>, tree_view=0x3946bb0) at /build/gtk+3.0-pIzeMy/gtk+3.0-3.16.7/./gtk/gtktreeview.c:3256
  [Error: gtktreeview.c was not found in source tree]
#47 0x00007f4271d7fd90 in ffi_call_unix64 () at ../src/x86/unix64.S:76
  [Error: unix64.S was not found in source tree]
#48 0x00007f4271d7f7f8 in ffi_call (cif=cif@entry=0x7ffc9d7df6f0, fn=<optimized out>, rvalue=0x7ffc9d7df640, avalue=avalue@entry=0x7ffc9d7df5c0) at ../src/x86/ffi64.c:525
  [Error: ffi64.c was not found in source tree]
#49 0x00007f427474ad65 in g_cclosure_marshal_generic_va (closure=0x3972510, return_value=0x0, instance=0x39583f0, args_list=<optimized out>, marshal_data=0x0, n_params=3, param_types=0x2643270) at /build/glib2.0-3UmwzF/glib2.0-2.46.0/./gobject/gclosure.c:1600
  [Error: gclosure.c was not found in source tree]
#50 0x00007f427474a244 in _g_closure_invoke_va (closure=closure@entry=0x3972510, return_value=return_value@entry=0x0, instance=instance@entry=0x39583f0, args=args@entry=0x7ffc9d7df980, n_params=<optimized out>, param_types=0x2643270) at /build/glib2.0-3UmwzF/glib2.0-2.46.0/./gobject/gclosure.c:864
  [Error: gclosure.c was not found in source tree]
#51 0x00007f4274764a46 in g_signal_emit_valist (instance=0x39583f0, signal_id=<optimized out>, detail=0, var_args=var_args@entry=0x7ffc9d7df980) at /build/glib2.0-3UmwzF/glib2.0-2.46.0/./gobject/gsignal.c:3292
  [Error: gsignal.c was not found in source tree]
#52 0x00007f427476512f in g_signal_emit (instance=instance@entry=0x39583f0, signal_id=<optimized out>, detail=detail@entry=0) at /build/glib2.0-3UmwzF/glib2.0-2.46.0/./gobject/gsignal.c:3439
  [Error: gsignal.c was not found in source tree]
#53 0x00007f42737ed416 in gtk_gesture_multi_press_begin (gesture=0x39583f0, sequence=<optimized out>) at /build/gtk+3.0-pIzeMy/gtk+3.0-3.16.7/./gtk/gtkgesturemultipress.c:232
  [Error: gtkgesturemultipress.c was not found in source tree]
#54 0x00007f427474ce2e in g_cclosure_marshal_VOID__BOXEDv (closure=0x30192e0, return_value=<optimized out>, instance=<optimized out>, args=<optimized out>, marshal_data=<optimized out>, n_params=<optimized out>, param_types=0x3019350) at /build/glib2.0-3UmwzF/glib2.0-2.46.0/./gobject/gmarshal.c:1950
  [Error: gmarshal.c was not found in source tree]
#55 0x00007f427474a244 in _g_closure_invoke_va (closure=closure@entry=0x30192e0, return_value=return_value@entry=0x0, instance=instance@entry=0x39583f0, args=args@entry=0x7ffc9d7dfd20, n_params=<optimized out>, param_types=0x3019350) at /build/glib2.0-3UmwzF/glib2.0-2.46.0/./gobject/gclosure.c:864
  [Error: gclosure.c was not found in source tree]
#56 0x00007f4274764a46 in g_signal_emit_valist (instance=0x39583f0, signal_id=<optimized out>, detail=0, var_args=var_args@entry=0x7ffc9d7dfd20) at /build/glib2.0-3UmwzF/glib2.0-2.46.0/./gobject/gsignal.c:3292
  [Error: gsignal.c was not found in source tree]
#57 0x00007f427476512f in g_signal_emit (instance=instance@entry=0x39583f0, signal_id=<optimized out>, detail=detail@entry=0) at /build/glib2.0-3UmwzF/glib2.0-2.46.0/./gobject/gsignal.c:3439
  [Error: gsignal.c was not found in source tree]
#58 0x00007f42737ea66b in _gtk_gesture_set_recognized (sequence=0x0, recognized=1, gesture=0x39583f0) at /build/gtk+3.0-pIzeMy/gtk+3.0-3.16.7/./gtk/gtkgesture.c:273
  [Error: gtkgesture.c was not found in source tree]
#59 _gtk_gesture_check_recognized (gesture=gesture@entry=0x39583f0, sequence=sequence@entry=0x0) at /build/gtk+3.0-pIzeMy/gtk+3.0-3.16.7/./gtk/gtkgesture.c:318
  [Error: gtkgesture.c was not found in source tree]
#60 0x00007f42737ebacb in gtk_gesture_handle_event (controller=0x39583f0, event=0x3ad9940) at /build/gtk+3.0-pIzeMy/gtk+3.0-3.16.7/./gtk/gtkgesture.c:598
  [Error: gtkgesture.c was not found in source tree]
#61 0x00007f42737ee535 in gtk_gesture_single_handle_event (controller=0x39583f0, event=0x3ad9940) at /build/gtk+3.0-pIzeMy/gtk+3.0-3.16.7/./gtk/gtkgesturesingle.c:220
  [Error: gtkgesturesingle.c was not found in source tree]
#62 0x00007f42737c125b in gtk_event_controller_handle_event (controller=0x39583f0, event=event@entry=0x3ad9940) at /build/gtk+3.0-pIzeMy/gtk+3.0-3.16.7/./gtk/gtkeventcontroller.c:224
  [Error: gtkeventcontroller.c was not found in source tree]
#63 0x00007f427396996d in _gtk_widget_run_controllers (widget=0x3946bb0, event=0x3ad9940, phase=GTK_PHASE_BUBBLE) at /build/gtk+3.0-pIzeMy/gtk+3.0-3.16.7/./gtk/gtkwidget.c:7442
  [Error: gtkwidget.c was not found in source tree]
#64 0x00007f427383337a in _gtk_marshal_BOOLEAN__BOXEDv (closure=0x24ade40, return_value=0x7ffc9d7e00b0, instance=<optimized out>, args=<optimized out>, marshal_data=<optimized out>, n_params=<optimized out>, param_types=0x24ade70) at /build/gtk+3.0-pIzeMy/gtk+3.0-3.16.7/./gtk/gtkmarshalers.c:130
  [Error: gtkmarshalers.c was not found in source tree]
#65 0x00007f427474a244 in _g_closure_invoke_va (closure=closure@entry=0x24ade40, return_value=return_value@entry=0x7ffc9d7e00b0, instance=instance@entry=0x3946bb0, args=args@entry=0x7ffc9d7e0180, n_params=<optimized out>, param_types=0x24ade70) at /build/glib2.0-3UmwzF/glib2.0-2.46.0/./gobject/gclosure.c:864
  [Error: gclosure.c was not found in source tree]
#66 0x00007f4274764558 in g_signal_emit_valist (instance=0x3946bb0, signal_id=<optimized out>, detail=0, var_args=var_args@entry=0x7ffc9d7e0180) at /build/glib2.0-3UmwzF/glib2.0-2.46.0/./gobject/gsignal.c:3292
  [Error: gsignal.c was not found in source tree]
#67 0x00007f427476512f in g_signal_emit (instance=instance@entry=0x3946bb0, signal_id=<optimized out>, detail=detail@entry=0) at /build/glib2.0-3UmwzF/glib2.0-2.46.0/./gobject/gsignal.c:3439
  [Error: gsignal.c was not found in source tree]
#68 0x00007f427396d284 in gtk_widget_event_internal (widget=0x3946bb0, event=0x3ad9940) at /build/gtk+3.0-pIzeMy/gtk+3.0-3.16.7/./gtk/gtkwidget.c:7787
  [Error: gtkwidget.c was not found in source tree]
#69 0x00007f427383081e in propagate_event_up (topmost=<optimized out>, event=<optimized out>, widget=0x3946bb0) at /build/gtk+3.0-pIzeMy/gtk+3.0-3.16.7/./gtk/gtkmain.c:2428
  [Error: gtkmain.c was not found in source tree]
#70 propagate_event (widget=<optimized out>, event=0x3ad9940, captured=<optimized out>, topmost=0x0) at /build/gtk+3.0-pIzeMy/gtk+3.0-3.16.7/./gtk/gtkmain.c:2530
  [Error: gtkmain.c was not found in source tree]
#71 0x00007f42738324ce in gtk_main_do_event (event=0x3ad9940) at /build/gtk+3.0-pIzeMy/gtk+3.0-3.16.7/./gtk/gtkmain.c:1751
  [Error: gtkmain.c was not found in source tree]
#72 0x00007f4272baa322 in gdk_event_source_dispatch (source=<optimized out>, callback=<optimized out>, user_data=<optimized out>) at /build/gtk+3.0-pIzeMy/gtk+3.0-3.16.7/./gdk/x11/gdkeventsource.c:364
  [Error: gdkeventsource.c was not found in source tree]
#73 0x00007f4274473ff7 in g_main_dispatch (context=0x2485a20) at /build/glib2.0-3UmwzF/glib2.0-2.46.0/./glib/gmain.c:3154
  [Error: gmain.c was not found in source tree]
#74 g_main_context_dispatch (context=context@entry=0x2485a20) at /build/glib2.0-3UmwzF/glib2.0-2.46.0/./glib/gmain.c:3769
  [Error: gmain.c was not found in source tree]
#75 0x00007f4274474250 in g_main_context_iterate (context=0x2485a20, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at /build/glib2.0-3UmwzF/glib2.0-2.46.0/./glib/gmain.c:3840
  [Error: gmain.c was not found in source tree]
#76 0x00007f4274474572 in g_main_loop_run (loop=0x3174a10) at /build/glib2.0-3UmwzF/glib2.0-2.46.0/./glib/gmain.c:4034
  [Error: gmain.c was not found in source tree]
#77 0x00007f4273831775 in gtk_main () at /build/gtk+3.0-pIzeMy/gtk+3.0-3.16.7/./gtk/gtkmain.c:1219
  [Error: gtkmain.c was not found in source tree]
#78 0x000000000040b09c in main (argc=<optimized out>, argv=0x7ffc9d7e06d8) at main.c:621
  616:         goto QUIT;
  617: 
  618:     hook_associate ("playback stop", (HookFunction) maybe_quit, NULL);
  619:     hook_associate ("playlist add complete", (HookFunction) maybe_quit, NULL);
  620: 
  621:     gtk_main ();
  622: 
  623:     hook_dissociate ("playback stop", (HookFunction) maybe_quit);
  624:     hook_dissociate ("playlist add complete", (HookFunction) maybe_quit);
  625: 
  626: QUIT: