Error 1 - add gnubiff applet to panel with no pending mail.

Thread 1 "gnome-panel" hit Breakpoint 1, gdk_x_error (xdisplay=0x5555557f38f0, 
    error=0x7fffffffc370) at ../../../../../gdk/x11/gdkmain-x11.c:272
272	../../../../../gdk/x11/gdkmain-x11.c: No such file or directory.
(gdb) 

Panel remains visible

(gdb) bt full
#0  0x00007ffff69cca20 in gdk_x_error (xdisplay=0x5555557f38f0, error=0x7fffffffc370) at ../../../../../gdk/x11/gdkmain-x11.c:272
#1  0x00007ffff4b6a8fa in _XError () at /usr/lib/x86_64-linux-gnu/libX11.so.6
#2  0x00007ffff4b6782b in  () at /usr/lib/x86_64-linux-gnu/libX11.so.6
#3  0x00007ffff4b689d4 in _XReply () at /usr/lib/x86_64-linux-gnu/libX11.so.6
#4  0x00007ffff4b4e435 in XGetWindowProperty ()
    at /usr/lib/x86_64-linux-gnu/libX11.so.6
#5  0x00007fffd202a23f in read_rgb_icon (screen=0x555555800f40, mini_pixdata=0x7fffffffc630, mini_height=<synthetic pointer>, mini_width=<synthetic pointer>, pixdata=0x7fffffffc628, height=<synthetic pointer>, width=<synthetic pointer>, ideal_mini_height=16, ideal_mini_width=16, ideal_height=32, ideal_width=32, xwindow=85983988) at xutils.c:1626
        nitems = 0
        bytes_after = 0
        err = <optimised out>
        best = 0x8000000000000000
        w = 1436637184
        mini_w = 11
        mini_h = 0
        display = 0x5555557f38f0
        type = 0
        data = 0x0
        h = 21845
        best_mini = 0x555555a15b60
        format = 0
        result = <optimised out>
        display = 0x5555557f38f0
        pixdata = 0x0
        w = <optimised out>
        h = <optimised out>
        mini_pixdata = 0x3ff0000000000000 <error: Cannot access memory at address 0x3ff0000000000000>
        mini_w = <optimised out>
        mini_h = <optimised out>
        pixmap = <optimised out>
        mask = <optimised out>
        hints = <optimised out>
        __func__ = "_wnck_read_icons"
#6  0x00007fffd202a23f in _wnck_read_icons (screen=0x555555800f40, xwindow=xwindow@entry=85983988, icon_cache=icon_cache@entry=0x55555612a040, iconp=iconp@entry=0x7fffffffc6d8, ideal_width=ideal_width@entry=32, ideal_height=ideal_height@entry=32, mini_iconp=0x7fffffffc6e0, ideal_mini_width=16, ideal_mini_height=16)
    at xutils.c:2195
        display = 0x5555557f38f0
        pixdata = 0x0
        w = <optimised out>
        h = <optimised out>
        mini_pixdata = 0x3ff0000000000000 <error: Cannot access memory at addres---Type <return> to continue, or q <return> to quit---
s 0x3ff0000000000000>
        mini_w = <optimised out>
        mini_h = <optimised out>
        pixmap = <optimised out>
        mask = <optimised out>
        hints = <optimised out>
        __func__ = "_wnck_read_icons"
#7  0x00007fffd201fc5f in get_icons (window=window@entry=0x555555d29fa0)
    at window.c:2129
        icon = 0x0
        mini_icon = 0x0
        normal_size = 32
        mini_size = 16
        __func__ = "get_icons"
#8  0x00007fffd2023cd7 in _wnck_window_load_icons (window=0x555555d29fa0)
    at window.c:2156
#9  0x00007fffd2023d62 in wnck_window_get_icon (window=window@entry=0x555555d29fa0) at window.c:2180
        __func__ = "wnck_window_get_icon"
#10 0x00007fffd200e1f3 in draw_window (cr=cr@entry=0x555555a15800, widget=widget@entry=0x555555bba200, win=win@entry=0x555555d29fa0, winrect=winrect@entry=0x7fffffffc8a0, state=state@entry=GTK_STATE_FLAG_SELECTED, translucent=<optimised out>) at pager.c:994
        context = 0x555555bb5af0
        icon = <optimised out>
        icon_x = <optimised out>
        icon_y = <optimised out>
        icon_w = <optimised out>
        icon_h = <optimised out>
        is_active = 1
        fg = 
          {red = 0.022857142857142857, green = 0.022619047619047618, blue = 4.9406564584124654e-324, alpha = 2.5463949498006121e-313}
        translucency = 1
#11 0x00007fffd20109b8 in wnck_pager_draw_workspace (bg_pixbuf=0x0, rect=0x7fffffffc890, workspace=<optimised out>, cr=0x555555a15800, pager=<optimised out>)
    at pager.c:1362
        win = 0x555555d29fa0
        winrect = {x = 1, y = 0, width = 13, height = 12}
        translucent = <optimised out>
        windows = 0x555555a114a0
        tmp = 0x555555a11460
        is_current = <optimised out>
        widget = 0x555555bba200
        state = <optimised out>
        context = 0x555555bb5af0
        space = <optimised out>
        rect = {x = 0, y = 0, width = 76, height = 24}
---Type <return> to continue, or q <return> to quit---
        pager = <optimised out>
        i = <optimised out>
        n_spaces = 1
        active_space = 0x7fffd8002920
        bg_pixbuf = 0x0
        first = 0
        context = <optimised out>
        state = <optimised out>
#12 0x00007fffd20109b8 in wnck_pager_draw (widget=<optimised out>, cr=0x555555a15800) at pager.c:1483
        rect = {x = 0, y = 0, width = 76, height = 24}
        pager = <optimised out>
        i = <optimised out>
        n_spaces = 1
        active_space = 0x7fffd8002920
        bg_pixbuf = 0x0
        first = 0
        context = <optimised out>
        state = <optimised out>
#13 0x00007ffff6fd88db in gtk_widget_draw_internal (widget=widget@entry=0x555555bba200, cr=cr@entry=0x555555a15800, clip_to_size=clip_to_size@entry=1)
    at ../../../../gtk/gtkwidget.c:7032
        event_window = <optimised out>
        result = 1072693248
        push_group = <optimised out>
        cr = 0x555555a15800
        clip_to_size = 1
        widget = 0x555555bba200
#14 0x00007ffff6dbf3ca in gtk_container_propagate_draw (container=container@entry=0x555555bb8250, child=0x555555bba200, cr=cr@entry=0x555555a15800)
    at ../../../../gtk/gtkcontainer.c:3841
        allocation = <optimised out>
        w = 0x555555b164d0
        x = 0
        y = 0
        __func__ = "gtk_container_propagate_draw"
#15 0x00007ffff6dbf4b2 in gtk_container_draw (widget=0x555555bb8250, cr=0x555555a15800) at ../../../../gtk/gtkcontainer.c:3661
        container = 0x555555bb8250
        child_infos = 0x7fffd800c860
        i = 0
        child_info = <optimised out>
        data = 
          {container = 0x555555bb8250, child_infos = 0x7fffd800c860, cr = 0x555555a15800}
#16 0x00007ffff6e0b90c in gtk_event_box_draw (widget=0x555555bb8250, cr=0x555555a15800) at ../../../../gtk/gtkeventbox.c:619
#17 0x00005555555ad8ee in gp_applet_draw (widget=0x555555bb8250, cr=0x555555a158---Type <return> to continue, or q <return> to quit---
00) at gp-applet.c:332
        ret = <optimised out>
#18 0x00007ffff6fd88db in gtk_widget_draw_internal (widget=widget@entry=0x555555bb8250, cr=cr@entry=0x555555a15800, clip_to_size=clip_to_size@entry=1)
    at ../../../../gtk/gtkwidget.c:7032
        event_window = <optimised out>
        result = 1072693248
        push_group = <optimised out>
        cr = 0x555555a15800
        clip_to_size = 1
        widget = 0x555555bb8250
#19 0x00007ffff6dbf3ca in gtk_container_propagate_draw (container=container@entry=0x555555b127f0, child=0x555555bb8250, cr=cr@entry=0x555555a15800)
    at ../../../../gtk/gtkcontainer.c:3841
        allocation = <optimised out>
        w = 0x555555b16340
        x = 0
        y = 0
        __func__ = "gtk_container_propagate_draw"
#20 0x00007ffff6dbf4b2 in gtk_container_draw (widget=0x555555b127f0, cr=0x555555a15800) at ../../../../gtk/gtkcontainer.c:3661
        container = 0x555555b127f0
        child_infos = 0x7fffd800d150
        i = 0
        child_info = <optimised out>
        data = 
          {container = 0x555555b127f0, child_infos = 0x7fffd800d150, cr = 0x555555a15800}
#21 0x00007ffff6e0b90c in gtk_event_box_draw (widget=0x555555b127f0, cr=0x555555a15800) at ../../../../gtk/gtkeventbox.c:619
#22 0x000055555558ac2f in panel_applet_frame_draw (widget=0x555555b127f0, cr=0x555555a15800) at panel-applet-frame.c:104
        frame = 0x555555b127f0
        context = <optimised out>
        state = <optimised out>
        bg_pattern = 0x555555a15800
#23 0x00007ffff6fd88db in gtk_widget_draw_internal (widget=widget@entry=0x555555b127f0, cr=cr@entry=0x555555a15800, clip_to_size=clip_to_size@entry=1)
    at ../../../../gtk/gtkwidget.c:7032
        event_window = <optimised out>
        result = 1072693248
        push_group = <optimised out>
        cr = 0x555555a15800
        clip_to_size = 1
        widget = 0x555555b127f0
#24 0x00007ffff6dbf3ca in gtk_container_propagate_draw (container=container@entry=0x555555aca2e0, child=0x555555b127f0, cr=cr@entry=0x555555a15800)
    at ../../../../gtk/gtkcontainer.c:3841
---Type <return> to continue, or q <return> to quit---
        allocation = <optimised out>
        w = 0x55555582c980
        x = 1604
        y = 0
        __func__ = "gtk_container_propagate_draw"
#25 0x00007ffff6e2c0e1 in gtk_fixed_draw (widget=0x555555aca2e0, cr=0x555555a15800) at ../../../../gtk/gtkfixed.c:597
        fixed = 0x555555aca2e0
        priv = <optimised out>
        child = <optimised out>
        list = 0x555555972ec0
#26 0x00007ffff6fd88db in gtk_widget_draw_internal (widget=widget@entry=0x555555aca2e0, cr=cr@entry=0x555555a15800, clip_to_size=clip_to_size@entry=1)
    at ../../../../gtk/gtkwidget.c:7032
        event_window = <optimised out>
        result = 1072693248
        push_group = <optimised out>
        cr = 0x555555a15800
        clip_to_size = 1
        widget = 0x555555aca2e0
#27 0x00007ffff6dbf3ca in gtk_container_propagate_draw (container=container@entry=0x555555ac8870, child=0x555555aca2e0, cr=cr@entry=0x555555a15800)
    at ../../../../gtk/gtkcontainer.c:3841
        allocation = <optimised out>
        w = 0x55555582c7f0
        x = 0
        y = 0
        __func__ = "gtk_container_propagate_draw"
#28 0x00007ffff6dbf4b2 in gtk_container_draw (widget=0x555555ac8870, cr=cr@entry=0x555555a15800) at ../../../../gtk/gtkcontainer.c:3661
        container = 0x555555ac8870
        child_infos = 0x7fffe0032b80
        i = 0
        child_info = <optimised out>
        data = 
          {container = 0x555555ac8870, child_infos = 0x7fffe0032b80, cr = 0x555555a15800}
#29 0x00007ffff6e41fc4 in gtk_grid_render (gadget=<optimised out>, cr=0x555555a15800, x=<optimised out>, y=<optimised out>, width=<optimised out>, height=<optimised out>, data=0x0) at ../../../../gtk/gtkgrid.c:1713
#30 0x00007ffff6dc440d in gtk_css_custom_gadget_draw (gadget=<optimised out>, cr=<optimised out>, x=<optimised out>, y=<optimised out>, width=<optimised out>, height=<optimised out>) at ../../../../gtk/gtkcsscustomgadget.c:159
#31 0x00007ffff6dc9063 in gtk_css_gadget_draw (gadget=0x555555a44b80, cr=0x555555a15800) at ../../../../gtk/gtkcssgadget.c:877
        margin = {left = 0, right = 0, top = 0, bottom = 0}
        border = {left = 0, right = 0, top = 0, bottom = 0}
        padding = {left = 0, right = 0, top = 0, bottom = 0}
---Type <return> to continue, or q <return> to quit---
        draw_focus = 0
        x = 0
        y = 0
        width = 1680
        height = 24
        contents_x = 0
        contents_y = 0
        contents_width = 1680
        contents_height = 24
        margin_box = {x = 0, y = 0, width = 1680, height = 24}
        __func__ = "gtk_css_gadget_draw"
#32 0x00007ffff6e43031 in gtk_grid_draw (widget=<optimised out>, cr=<optimised out>) at ../../../../gtk/gtkgrid.c:1722
#33 0x00007ffff6fd88db in gtk_widget_draw_internal (widget=widget@entry=0x555555ac8870, cr=cr@entry=0x555555a15800, clip_to_size=clip_to_size@entry=1)
    at ../../../../gtk/gtkwidget.c:7032
        event_window = <optimised out>
        result = 1072693248
        push_group = <optimised out>
        cr = 0x555555a15800
        clip_to_size = 1
        widget = 0x555555ac8870
#34 0x00007ffff6dbf3ca in gtk_container_propagate_draw (container=container@entry=0x555555ac0810, child=0x555555ac8870, cr=cr@entry=0x555555a15800)
    at ../../../../gtk/gtkcontainer.c:3841
        allocation = <optimised out>
        w = 0x55555582c7f0
        x = 0
        y = 0
        __func__ = "gtk_container_propagate_draw"
#35 0x00007ffff6dbf4b2 in gtk_container_draw (widget=0x555555ac0810, cr=0x555555a15800) at ../../../../gtk/gtkcontainer.c:3661
        container = 0x555555ac0810
        child_infos = 0x7fffe001aa00
        i = 0
        child_info = <optimised out>
        data = 
          {container = 0x555555ac0810, child_infos = 0x7fffe001aa00, cr = 0x555555a15800}
#36 0x00007ffff6fe66ef in gtk_window_draw (widget=0x555555ac0810, cr=0x555555a15800) at ../../../../gtk/gtkwindow.c:10545
        priv = <optimised out>
        context = 0x555555b69300
        ret = 0
        allocation = <optimised out>
        window_border = {left = 0, right = 0, top = 0, bottom = 0}
        title_height = <optimised out>
#37 0x0000555555595fa3 in panel_toplevel_draw (widget=0x555555ac0810, cr=0x55555---Type <return> to continue, or q <return> to quit---
5a15800) at panel-toplevel.c:2645
        toplevel = 0x555555ac0810
        retval = 0
#38 0x00007ffff6fd88db in gtk_widget_draw_internal (widget=0x555555ac0810, cr=0x555555a15800, clip_to_size=<optimised out>) at ../../../../gtk/gtkwidget.c:7032
        event_window = <optimised out>
        result = 1072693248
        push_group = <optimised out>
        cr = 0x555555a15800
        clip_to_size = <optimised out>
        widget = 0x555555ac0810
#39 0x00007ffff6fe1998 in gtk_widget_render (widget=widget@entry=0x555555ac0810, window=0x55555582c7f0, region=<optimised out>)
    at ../../../../gtk/gtkwidget.c:17542
        context = 0x7fffe0049230
        do_clip = 1
        cr = 0x555555a15800
        x = 0
        y = 0
        is_double_buffered = <optimised out>
#40 0x00007ffff6e85859 in gtk_main_do_event (event=<optimised out>)
    at ../../../../gtk/gtkmain.c:1838
        window_group = 0x555555928f90
        device = 0x0
        tmp_list = <optimised out>
        event_widget = 0x555555ac0810
        event = 0x7fffffffd290
#41 0x00007ffff6996765 in _gdk_event_emit (event=event@entry=0x7fffffffd290)
    at ../../../../gdk/gdkevents.c:73
#42 0x00007ffff69a67f5 in _gdk_window_process_updates_recurse_helper (window=0x55555582c7f0, expose_region=<optimised out>) at ../../../../gdk/gdkwindow.c:3852
        event = 
            {type = GDK_EXPOSE, any = {type = GDK_EXPOSE, window = 0x55555582c7f0, send_event = 0 '\000'}, expose = {type = GDK_EXPOSE, window = 0x55555582c7f0, send_event = 0 '\000', area = {x = 1604, y = 0, width = 76, height = 24}, region = 0x555555e8a8d0, count = 0}, visibility = {type = GDK_EXPOSE, window = 0x55555582c7f0, send_event = 0 '\000', state = (unknown: 1604)}, motion = {type = GDK_EXPOSE, window = 0x55555582c7f0, send_event = 0 '\000', time = 1604, x = 1.612716801133607e-312, y = 4.6354998053648231e-310, axes = 0x555555e8a8d0, state = 0, is_hint = 21845, device = 0x7ffff69c98f0, x_root = 4.6355706857516053e-310, y_root = 9.8813129168249309e-324}, button = {type = GDK_EXPOSE, window = 0x55555582c7f0, send_event = 0 '\000', time = 1604, x = 1.612716801133607e-312, y = 4.6354998053648231e-310, axes = 0x555555e8a8d0, state = 0, button = 21845, device = 0x7ffff69c98f0, x_root = 4.6355706857516053e-310, y_root = 9.8813129168249309e-324}, touch = {type = GDK_EXPOSE, window = 0x55555582c7f0, send_event = 0 '\000', time = 1604, x = 1.612716801133607e-312, y = 4.6354998053648231e-310, axes = 0x555555e8a8d0, state = 0, sequence = 0x7ffff69c98f0 <gdk_x11_window_invalidate_for_new_frame+48>, emulating_pointer = 1434635024, device = 0x2, x_root = 4.635570783---Type <return> to continue, or q <return> to quit---
4414268e-310, y_root = 4.6355711206092146e-310}, scroll = {type = GDK_EXPOSE, window = 0x55555582c7f0, send_event = 0 '\000', time = 1604, x = 1.612716801133607e-312, y = 4.6354998053648231e-310, state = 1441310928, direction = 21845, device = 0x555500000000, x_root = 6.9533480258370559e-310, y_root = 4.6355706857516053e-310, delta_x = 9.8813129168249309e-324, delta_y = 4.6355707834414268e-310, is_stop = 0}, key = {type = GDK_EXPOSE, window = 0x55555582c7f0, send_event = 0 '\000', time = 1604, state = 0, keyval = 76, length = 24, string = 0x555555e8a8d0 "\002", hardware_keycode = 0, group = 0 '\000', is_modifier = 0}, crossing = {type = GDK_EXPOSE, window = 0x55555582c7f0, send_event = 0 '\000', subwindow = 0x4c00000000, time = 24, x = 4.6355710155850874e-310, y = 4.6354998053636374e-310, x_root = 6.9533480258370559e-310, y_root = 4.6355706857516053e-310, mode = GDK_CROSSING_UNGRAB, detail = GDK_NOTIFY_ANCESTOR, focus = 1436612288, state = 21845}, focus_change = {type = GDK_EXPOSE, window = 0x55555582c7f0, send_event = 0 '\000', in = 21889}, configure = {type = GDK_EXPOSE, window = 0x55555582c7f0, send_event = 0 '\000', x = 1604, y = 0, width = 76, height = 24}, property = {type = GDK_EXPOSE, window = 0x55555582c7f0, send_event = 0 '\000', atom = 0x4c00000000, time = 24, state = 21845}, selection = {type = GDK_EXPOSE, window = 0x55555582c7f0, send_event = 0 '\000', selection = 0x4c00000000, target = 0x555500000018, property = 0x555555e8a8d0, time = 0, requestor = 0x7ffff69c98f0}, owner_change = {type = GDK_EXPOSE, window = 0x55555582c7f0, send_event = 0 '\000', owner = 0x4c00000000, reason = (unknown: 24), selection = 0x555555e8a8d0, time = 0, selection_time = 21845}, proximity = {type = GDK_EXPOSE, window = 0x55555582c7f0, send_event = 0 '\000', time = 1604, device = 0x4c00000000}, dnd = {type = GDK_EXPOSE, window = 0x55555582c7f0, send_event = 0 '\000', context = 0x4c00000000, time = 24, x_root = 21845, y_root = 0}, window_state = {type = GDK_EXPOSE, window = 0x55555582c7f0, send_event = 0 '\000', changed_mask = (GDK_WINDOW_STATE_MAXIMIZED | GDK_WINDOW_STATE_BELOW | GDK_WINDOW_STATE_TOP_TILED | GDK_WINDOW_STATE_TOP_RESIZABLE), new_window_state = (unknown: 0)}, setting = {type = GDK_EXPOSE, window = 0x55555582c7f0, send_event = 0 '\000', action = (unknown: 1604), name = 0x4c00000000 <error: Cannot access memory at address 0x4c00000000>}, grab_broken = {type = GDK_EXPOSE, window = 0x55555582c7f0, send_event = 0 '\000', keyboard = 1604, implicit = 0, grab_window = 0x555500000018}, touchpad_swipe = {type = GDK_EXPOSE, window = 0x55555582c7f0, send_event = 0 '\000', phase = 0 '\000', n_fingers = -127 '\201', time = 1604, x = 1.612716801133607e-312, y = 4.6354998053648231e-310, dx = 4.6355710155850874e-310, dy = 4.6354998053636374e-310, x_root = 6.9533480258370559e-310, y_root = 4.6355706857516053e-310, state = 2}, touchpad_pinch = {type = GDK_EXPOSE, window = 0x55555582c7f0, send_event = 0 '\000', phase = 0 '\000', n_fingers = -127 '\201', time = 1604, x = 1.612716801133607e-312, y = 4.6354998053648231e-310, dx = 4.6355710155850874e-310, dy = 4.6354998053636374e-310, angle_delta = 6.9533480258370559e-310, scale = 4.6355706857516053e-310, x_root = 9.8813129168249309e-324, y_root = 4.6355707834414268e-310, state = 1443436640}, pad_button = {type = GDK_EXPOSE, window = 0x55555582c7f0, send_event = 0 '\000', time = 1604, group = 0, button = 76, mode = 24}, pad_axis = {type = GDK_EXPOSE, window = 0x55555582c7f0, send_event = 0 '\000', time = 1604, group = 0, index = 76, mode = 24, value = 4.6355710155850874e-310}, pad_group_mode = {type = GDK_EXPOSE, window = 0x55555582c7f0, send_event = 0 '\000', time = 1604, group = 0, mode = 76}}
        child = <optimised out>
---Type <return> to continue, or q <return> to quit---
        clipped_expose_region = 0x555555e8a8d0
        children = <optimised out>
        i = <optimised out>
        n_children = <optimised out>
        l = <optimised out>
        last_link = <optimised out>
#43 0x00007ffff69a79f6 in gdk_window_process_updates_internal (window=0x55555582c7f0) at ../../../../gdk/gdkwindow.c:3998
        expose_region = 0x555555e77630
        impl_class = 0x55555582b380
        toplevel = <optimised out>
        display = <optimised out>
        __func__ = "gdk_window_process_updates_internal"
#44 0x00007ffff69a7bf0 in gdk_window_process_updates_with_mode (window=<optimised out>, recurse_mode=<optimised out>) at ../../../../gdk/gdkwindow.c:4192
        impl_window = 0x55555582c7f0
        list = 0x555555a0f6c0
        i = <optimised out>
        __func__ = "gdk_window_process_updates_with_mode"
#45 0x00007ffff518910d in g_closure_invoke ()
    at /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
#46 0x00007ffff519c05e in  () at /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
#47 0x00007ffff51a4715 in g_signal_emit_valist ()
    at /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
#48 0x00007ffff51a512f in g_signal_emit ()
    at /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
#49 0x00007ffff699f36f in _gdk_frame_clock_emit_paint (frame_clock=<optimised out>) at ../../../../gdk/gdkframeclock.c:640
#50 0x00007ffff699fac9 in gdk_frame_clock_paint_idle (data=0x55555583a3b0)
    at ../../../../gdk/gdkframeclockidle.c:459
        clock = 0x55555583a3b0
        clock_idle = 0x55555583a3b0
        priv = 0x55555583a2d0
        skip_to_resume_events = 0
        timings = 0x5555560d88c0
        __func__ = "gdk_frame_clock_paint_idle"
#51 0x00007ffff698b080 in gdk_threads_dispatch (data=0x555555a14ca0)
    at ../../../../gdk/gdk.c:743
        dispatch = 0x555555a14ca0
        ret = 0
#52 0x00007ffff4eaed03 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#53 0x00007ffff4eae285 in g_main_context_dispatch ()
    at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#54 0x00007ffff4eae650 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#55 0x00007ffff4eae962 in g_main_loop_run ()
    at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#56 0x00007ffff6e84a25 in gtk_main () at ../../../../gtk/gtkmain.c:1323
        loop = 0x555555a60a20
---Type <return> to continue, or q <return> to quit---
#57 0x0000555555574702 in main (argc=<optimised out>, argv=<optimised out>)
    at main.c:205
        context = <optimised out>
        error = 0x0
        session = 0x555555a72860
        toplevels_to_destroy = <optimised out>
        l = <optimised out>
(gdb)