#0  0x00007ffff6bbb445 in __GI_raise (sig=<optimized out>) at ../nptl/sysdeps/unix/sysv/linux/raise.c:64
#1  0x00007ffff6bbebab in __GI_abort () at abort.c:91
#2  0x00007ffff6bb410e in __assert_fail_base (fmt=<optimized out>, assertion=0x7ffff785b910 "(status != CAIRO_STATUS_SUCCESS && status < CAIRO_STATUS_LAST_STATUS)", file=0x7ffff785b900 "cairo-error.c", line=<optimized out>, function=<optimized out>) at assert.c:94
#3  0x00007ffff6bb41b2 in __GI___assert_fail (assertion=0x7ffff785b910 "(status != CAIRO_STATUS_SUCCESS && status < CAIRO_STATUS_LAST_STATUS)", file=0x7ffff785b900 "cairo-error.c", line=68, function=0x7ffff785b956 "_cairo_error") at assert.c:103
#4  0x00007ffff77706d6 in _cairo_error (status=32767) at cairo-error.c:68
#5  0x00007ffff776373d in _cairo_set_error (cr=0x6dc5c0, status=32767) at cairo.c:180
#6  0x00007ffff7765e9e in cairo_show_glyphs (cr=0x6dc5c0, glyphs=0x7fffffffa660, num_glyphs=5) at cairo.c:3317
#7  0x00007ffff7f8d019 in pango_cairo_renderer_show_text_glyphs (renderer=0x750030, text=0x0, text_len=0, glyphs=0x6d79a0, clusters=0x0, num_clusters=0, backward=0, font=0x4971f0, x=8192, y=13312) at pangocairo-render.c:367
#8  0x00007ffff7f8d0a6 in pango_cairo_renderer_draw_glyphs (renderer=0x750030, font=0x4971f0, glyphs=0x6d79a0, x=8192, y=13312) at pangocairo-render.c:383
#9  0x00007ffff7f5cfa1 in pango_renderer_draw_glyphs (renderer=0x750030, font=0x4971f0, glyphs=0x6d79a0, x=8192, y=13312) at pango-renderer.c:641
#10 0x00007ffff7f5d0c6 in pango_renderer_draw_glyph_item (renderer=0x750030, text=0x6d6ad0 "Source", glyph_item=0x6ccc30, x=8192, y=13312) at pango-renderer.c:705
#11 0x00007ffff7f5cd47 in pango_renderer_draw_layout_line (renderer=0x750030, line=0x6d0e80, x=0, y=13312) at pango-renderer.c:570
#12 0x00007ffff7f5c348 in pango_renderer_draw_layout (renderer=0x750030, layout=0x695b90, x=0, y=0) at pango-renderer.c:194
#13 0x00007ffff7f8dfa9 in _pango_cairo_do_layout (cr=0x6dc5c0, layout=0x695b90, do_path=0) at pangocairo-render.c:877
#14 0x00007ffff7f8e276 in pango_cairo_show_layout (cr=0x6dc5c0, layout=0x695b90) at pangocairo-render.c:1005
#15 0x00007ffff7bb9d1e in gtk_theming_engine_render_layout (engine=0x48cf50, cr=0x6dc5c0, x=281, y=6, layout=0x695b90) at gtkthemingengine.c:2056
#16 0x00007ffff7b5a5bc in gtk_render_layout (context=0x692840, cr=0x6dc5c0, x=281, y=6, layout=0x695b90) at gtkstylecontext.c:3904
#17 0x00007ffff7a85cd8 in gtk_label_draw (widget=0x496480, cr=0x6dc5c0) at gtklabel.c:4054
#18 0x00007ffff7a98ad4 in _gtk_marshal_BOOLEAN__BOXEDv (closure=0x46bd80, return_value=0x7fffffffb6e0, instance=0x496480, args=0x7fffffffb898, marshal_data=0x7ffff7a85b50, n_params=1, param_types=0x46bdf0) at gtkmarshalers.c:130
#19 0x00007ffff7c35d50 in gtk_widget_draw_marshallerv (closure=0x46bd80, return_value=0x7fffffffb6e0, instance=0x496480, args=0x7fffffffb898, marshal_data=0x7ffff7a85b50, n_params=1, param_types=0x46bdf0) at gtkwidget.c:849
#20 0x00007ffff7ebd9dc in g_type_class_meta_marshalv (closure=0x46bd80, return_value=0x7fffffffb6e0, instance=0x496480, args=0x7fffffffb898, marshal_data=0x120, n_params=1, param_types=0x46bdf0) at gclosure.c:997
#21 0x00007ffff7ebd588 in _g_closure_invoke_va (closure=0x46bd80, return_value=0x7fffffffb6e0, instance=0x496480, args=0x7fffffffb898, n_params=1, param_types=0x46bdf0) at gclosure.c:840
#22 0x00007ffff7ed9035 in g_signal_emit_valist (instance=0x496480, signal_id=20, detail=0, var_args=0x7fffffffb898) at gsignal.c:3207
#23 0x00007ffff7eda1aa in g_signal_emit (instance=0x496480, signal_id=20, detail=0) at gsignal.c:3352
#24 0x00007ffff7c3eddd in _gtk_widget_draw_internal (widget=0x496480, cr=0x6dc5c0, clip_to_size=0) at gtkwidget.c:5740
#25 0x00007ffff79d1dde in gtk_container_propagate_draw (container=0x5162e0, child=0x496480, cr=0x6dc5c0) at gtkcontainer.c:3385
#26 0x00007ffff7ad139a in gtk_notebook_draw (widget=0x5162e0, cr=0x6dc5c0) at gtknotebook.c:2607
#27 0x00007ffff7a98ad4 in _gtk_marshal_BOOLEAN__BOXEDv (closure=0x46bd80, return_value=0x7fffffffbe30, instance=0x5162e0, args=0x7fffffffbfe8, marshal_data=0x7ffff7ad126c, n_params=1, param_types=0x46bdf0) at gtkmarshalers.c:130
#28 0x00007ffff7c35d50 in gtk_widget_draw_marshallerv (closure=0x46bd80, return_value=0x7fffffffbe30, instance=0x5162e0, args=0x7fffffffbfe8, marshal_data=0x7ffff7ad126c, n_params=1, param_types=0x46bdf0) at gtkwidget.c:849
#29 0x00007ffff7ebd9dc in g_type_class_meta_marshalv (closure=0x46bd80, return_value=0x7fffffffbe30, instance=0x5162e0, args=0x7fffffffbfe8, marshal_data=0x120, n_params=1, param_types=0x46bdf0) at gclosure.c:997
#30 0x00007ffff7ebd588 in _g_closure_invoke_va (closure=0x46bd80, return_value=0x7fffffffbe30, instance=0x5162e0, args=0x7fffffffbfe8, n_params=1, param_types=0x46bdf0) at gclosure.c:840
#31 0x00007ffff7ed9035 in g_signal_emit_valist (instance=0x5162e0, signal_id=20, detail=0, var_args=0x7fffffffbfe8) at gsignal.c:3207
#32 0x00007ffff7eda1aa in g_signal_emit (instance=0x5162e0, signal_id=20, detail=0) at gsignal.c:3352
#33 0x00007ffff7c3eddd in _gtk_widget_draw_internal (widget=0x5162e0, cr=0x6dc5c0, clip_to_size=1) at gtkwidget.c:5740
#34 0x00007ffff79d1dde in gtk_container_propagate_draw (container=0x4c0850, child=0x5162e0, cr=0x6dc5c0) at gtkcontainer.c:3385
#35 0x00007ffff79d1903 in gtk_container_draw_child (child=0x5162e0, client_data=0x7fffffffc2a0) at gtkcontainer.c:3232
#36 0x00007ffff7970d98 in gtk_box_forall (container=0x4c0850, include_internals=1, callback=0x7ffff79d18b6 <gtk_container_draw_child>, callback_data=0x7fffffffc2a0) at gtkbox.c:1865
#37 0x00007ffff79cf2a7 in gtk_container_forall (container=0x4c0850, callback=0x7ffff79d18b6 <gtk_container_draw_child>, callback_data=0x7fffffffc2a0) at gtkcontainer.c:2057
#38 0x00007ffff79d1954 in gtk_container_draw (widget=0x4c0850, cr=0x6dc5c0) at gtkcontainer.c:3249
#39 0x00007ffff7a98ad4 in _gtk_marshal_BOOLEAN__BOXEDv (closure=0x46bd80, return_value=0x7fffffffc620, instance=0x4c0850, args=0x7fffffffc7d8, marshal_data=0x7ffff79d190a, n_params=1, param_types=0x46bdf0) at gtkmarshalers.c:130
#40 0x00007ffff7c35d50 in gtk_widget_draw_marshallerv (closure=0x46bd80, return_value=0x7fffffffc620, instance=0x4c0850, args=0x7fffffffc7d8, marshal_data=0x7ffff79d190a, n_params=1, param_types=0x46bdf0) at gtkwidget.c:849
#41 0x00007ffff7ebd9dc in g_type_class_meta_marshalv (closure=0x46bd80, return_value=0x7fffffffc620, instance=0x4c0850, args=0x7fffffffc7d8, marshal_data=0x120, n_params=1, param_types=0x46bdf0) at gclosure.c:997
#42 0x00007ffff7ebd588 in _g_closure_invoke_va (closure=0x46bd80, return_value=0x7fffffffc620, instance=0x4c0850, args=0x7fffffffc7d8, n_params=1, param_types=0x46bdf0) at gclosure.c:840
#43 0x00007ffff7ed9035 in g_signal_emit_valist (instance=0x4c0850, signal_id=20, detail=0, var_args=0x7fffffffc7d8) at gsignal.c:3207
#44 0x00007ffff7eda1aa in g_signal_emit (instance=0x4c0850, signal_id=20, detail=0) at gsignal.c:3352
#45 0x00007ffff7c3eddd in _gtk_widget_draw_internal (widget=0x4c0850, cr=0x6dc5c0, clip_to_size=1) at gtkwidget.c:5740
#46 0x00007ffff79d1dde in gtk_container_propagate_draw (container=0x4ae060, child=0x4c0850, cr=0x6dc5c0) at gtkcontainer.c:3385
#47 0x00007ffff79d1903 in gtk_container_draw_child (child=0x4c0850, client_data=0x7fffffffca80) at gtkcontainer.c:3232
#48 0x00007ffff79693fc in gtk_bin_forall (container=0x4ae060, include_internals=1, callback=0x7ffff79d18b6 <gtk_container_draw_child>, callback_data=0x7fffffffca80) at gtkbin.c:170
#49 0x00007ffff79cf2a7 in gtk_container_forall (container=0x4ae060, callback=0x7ffff79d18b6 <gtk_container_draw_child>, callback_data=0x7fffffffca80) at gtkcontainer.c:2057
#50 0x00007ffff79d1954 in gtk_container_draw (widget=0x4ae060, cr=0x6dc5c0) at gtkcontainer.c:3249
#51 0x00007ffff7c5f9bc in gtk_window_draw (widget=0x4ae060, cr=0x6dc5c0) at gtkwindow.c:7672
#52 0x00007ffff7a98ad4 in _gtk_marshal_BOOLEAN__BOXEDv (closure=0x46bd80, return_value=0x7fffffffce60, instance=0x4ae060, args=0x7fffffffd018, marshal_data=0x7ffff7c5f875, n_params=1, param_types=0x46bdf0) at gtkmarshalers.c:130
#53 0x00007ffff7c35d50 in gtk_widget_draw_marshallerv (closure=0x46bd80, return_value=0x7fffffffce60, instance=0x4ae060, args=0x7fffffffd018, marshal_data=0x7ffff7c5f875, n_params=1, param_types=0x46bdf0) at gtkwidget.c:849
#54 0x00007ffff7ebd9dc in g_type_class_meta_marshalv (closure=0x46bd80, return_value=0x7fffffffce60, instance=0x4ae060, args=0x7fffffffd018, marshal_data=0x120, n_params=1, param_types=0x46bdf0) at gclosure.c:997
#55 0x00007ffff7ebd588 in _g_closure_invoke_va (closure=0x46bd80, return_value=0x7fffffffce60, instance=0x4ae060, args=0x7fffffffd018, n_params=1, param_types=0x46bdf0) at gclosure.c:840
#56 0x00007ffff7ed9035 in g_signal_emit_valist (instance=0x4ae060, signal_id=20, detail=0, var_args=0x7fffffffd018) at gsignal.c:3207
#57 0x00007ffff7eda1aa in g_signal_emit (instance=0x4ae060, signal_id=20, detail=0) at gsignal.c:3352
#58 0x00007ffff7c3eddd in _gtk_widget_draw_internal (widget=0x4ae060, cr=0x6dc5c0, clip_to_size=1) at gtkwidget.c:5740
#59 0x00007ffff7c3fa9b in gtk_widget_send_expose (widget=0x4ae060, event=0x7fffffffd280) at gtkwidget.c:6120
#60 0x00007ffff7a96f74 in gtk_main_do_event (event=0x7fffffffd280) at gtkmain.c:1622
#61 0x00007ffff7fb2ff2 in _gdk_event_emit (event=0x7fffffffd280) at gdkevents.c:69
#62 0x00007ffff7fc35fe in _gdk_window_process_updates_recurse (window=0x4965a0, expose_region=0x6e3930) at gdkwindow.c:3884
#63 0x00007ffff7fdb17c in gdk_wayland_window_process_updates_recurse (window=0x4965a0, region=0x6e3930) at gdkwindow-wayland.c:1529
#64 0x00007ffff7fc3a0a in gdk_window_process_updates_internal (window=0x4965a0) at gdkwindow.c:4070
#65 0x00007ffff7fc3cdf in gdk_window_process_all_updates () at gdkwindow.c:4201
#66 0x00007ffff79ce6b9 in gtk_container_idle_sizer (data=0x0) at gtkcontainer.c:1680
#67 0x00007ffff7fa7cc7 in gdk_threads_dispatch (data=0x4b66e0) at gdk.c:763
#68 0x00007ffff74acd26 in g_idle_dispatch (source=0x4bd400, callback=0x7ffff7fa7c82 <gdk_threads_dispatch>, user_data=0x4b66e0) at gmain.c:4657
#69 0x00007ffff74aa5ec in g_main_dispatch (context=0x499850) at gmain.c:2539
#70 0x00007ffff74ab291 in g_main_context_dispatch (context=0x499850) at gmain.c:3075
#71 0x00007ffff74ab474 in g_main_context_iterate (context=0x499850, block=1, dispatch=1, self=0x70a630) at gmain.c:3146
#72 0x00007ffff74ab89d in g_main_loop_run (loop=0x4dfcb0) at gmain.c:3340
#73 0x00007ffff7a96799 in gtk_main () at gtkmain.c:1162
#74 0x00000000004319a0 in main (argc=1, argv=0x7fffffffd718) at main.c:1070