I'm getting the following error messages when running wallch:
ralmond@cherry:~$ wallch
(process:55334): Gtk-CRITICAL **: 13:53:20.890:
IA__gtk_icon_theme_get_for_screen: assertion 'GDK_IS_SCREEN (screen)' failed
(process:55334): GLib-GObject-WARNING **: 13:53:20.890: invalid (NULL)
pointer instance
(process:55334): GLib-GObject-CRITICAL **: 13:53:20.890:
g_signal_connect_data: assertion 'G_TYPE_CHECK_INSTANCE (instance)' failed
(process:55334): GLib-GObject-WARNING **: 13:53:20.891: invalid (NULL)
pointer instance
(process:55334): GLib-GObject-CRITICAL **: 13:53:20.891:
g_signal_connect_data: assertion 'G_TYPE_CHECK_INSTANCE (instance)' failed
(process:55334): GLib-GObject-WARNING **: 13:53:20.891: invalid (NULL)
pointer instance
(process:55334): GLib-GObject-CRITICAL **: 13:53:20.891:
g_signal_connect_data: assertion 'G_TYPE_CHECK_INSTANCE (instance)' failed
(process:55334): Gtk-CRITICAL **: 13:53:20.892:
IA__gtk_settings_get_for_screen: assertion 'GDK_IS_SCREEN (screen)' failed
(process:55334): GLib-GObject-CRITICAL **: 13:53:20.892: g_object_ref:
assertion 'G_IS_OBJECT (object)' failed
(process:55334): GLib-GObject-WARNING **: 13:53:20.892: invalid (NULL)
pointer instance
(process:55334): GLib-GObject-CRITICAL **: 13:53:20.892:
g_signal_connect_data: assertion 'G_TYPE_CHECK_INSTANCE (instance)' failed
(process:55334): Gtk-CRITICAL **: 13:53:20.892:
IA__gtk_settings_get_for_screen: assertion 'GDK_IS_SCREEN (screen)' failed
(process:55334): Gtk-CRITICAL **: 13:53:20.892:
IA__gtk_settings_get_for_screen: assertion 'GDK_IS_SCREEN (screen)' failed
(process:55334): GLib-GObject-CRITICAL **: 13:53:20.892: g_object_ref:
assertion 'G_IS_OBJECT (object)' failed
(process:55334): GLib-GObject-WARNING **: 13:53:20.892: invalid (NULL)
pointer instance
(process:55334): GLib-GObject-CRITICAL **: 13:53:20.892:
g_signal_connect_data: assertion 'G_TYPE_CHECK_INSTANCE (instance)' failed
(process:55334): Gtk-CRITICAL **: 13:53:20.892:
IA__gtk_settings_get_for_screen: assertion 'GDK_IS_SCREEN (screen)' failed
(process:55334): Gtk-CRITICAL **: 13:53:20.892:
IA__gtk_settings_get_for_screen: assertion 'GDK_IS_SCREEN (screen)' failed
(process:55334): GLib-GObject-CRITICAL **: 13:53:20.892: g_object_ref:
assertion 'G_IS_OBJECT (object)' failed
(process:55334): GLib-GObject-WARNING **: 13:53:20.892: invalid (NULL)
pointer instance
(process:55334): GLib-GObject-CRITICAL **: 13:53:20.892:
g_signal_connect_data: assertion 'G_TYPE_CHECK_INSTANCE (instance)' failed
(process:55334): Gtk-CRITICAL **: 13:53:20.892:
IA__gtk_settings_get_for_screen: assertion 'GDK_IS_SCREEN (screen)' failed
(process:55334): Gtk-CRITICAL **: 13:53:20.892:
IA__gtk_settings_get_for_screen: assertion 'GDK_IS_SCREEN (screen)' failed
(process:55334): GLib-GObject-CRITICAL **: 13:53:20.892: g_object_ref:
assertion 'G_IS_OBJECT (object)' failed
(process:55334): GLib-GObject-WARNING **: 13:53:20.892: invalid (NULL)
pointer instance
(process:55334): GLib-GObject-CRITICAL **: 13:53:20.892:
g_signal_connect_data: assertion 'G_TYPE_CHECK_INSTANCE (instance)' failed
(process:55334): Gtk-CRITICAL **: 13:53:20.892:
IA__gtk_settings_get_for_screen: assertion 'GDK_IS_SCREEN (screen)' failed
(process:55334): Gtk-CRITICAL **: 13:53:20.892:
IA__gtk_settings_get_for_screen: assertion 'GDK_IS_SCREEN (screen)' failed
(process:55334): GLib-GObject-CRITICAL **: 13:53:20.892: g_object_ref:
assertion 'G_IS_OBJECT (object)' failed
(process:55334): GLib-GObject-WARNING **: 13:53:20.892: invalid (NULL)
pointer instance
(process:55334): GLib-GObject-CRITICAL **: 13:53:20.892:
g_signal_connect_data: assertion 'G_TYPE_CHECK_INSTANCE (instance)' failed
(process:55334): Gtk-CRITICAL **: 13:53:20.892:
IA__gtk_settings_get_for_screen: assertion 'GDK_IS_SCREEN (screen)' failed
(process:55334): Gtk-CRITICAL **: 13:53:20.892:
IA__gtk_settings_get_for_screen: assertion 'GDK_IS_SCREEN (screen)' failed
(process:55334): GLib-GObject-CRITICAL **: 13:53:20.892: g_object_ref:
assertion 'G_IS_OBJECT (object)' failed
(process:55334): GLib-GObject-WARNING **: 13:53:20.892: invalid (NULL)
pointer instance
(process:55334): GLib-GObject-CRITICAL **: 13:53:20.892:
g_signal_connect_data: assertion 'G_TYPE_CHECK_INSTANCE (instance)' failed
(process:55334): Gtk-CRITICAL **: 13:53:20.892:
IA__gtk_settings_get_for_screen: assertion 'GDK_IS_SCREEN (screen)' failed
(process:55334): Gtk-CRITICAL **: 13:53:20.892:
IA__gtk_settings_get_for_screen: assertion 'GDK_IS_SCREEN (screen)' failed
(process:55334): GLib-GObject-CRITICAL **: 13:53:20.892: g_object_ref:
assertion 'G_IS_OBJECT (object)' failed
(process:55334): GLib-GObject-WARNING **: 13:53:20.892: invalid (NULL)
pointer instance
(process:55334): GLib-GObject-CRITICAL **: 13:53:20.892:
g_signal_connect_data: assertion 'G_TYPE_CHECK_INSTANCE (instance)' failed
(process:55334): Gtk-CRITICAL **: 13:53:20.892:
IA__gtk_settings_get_for_screen: assertion 'GDK_IS_SCREEN (screen)' failed
(process:55334): Gtk-CRITICAL **: 13:53:20.892:
IA__gtk_settings_get_for_screen: assertion 'GDK_IS_SCREEN (screen)' failed
(process:55334): GLib-GObject-CRITICAL **: 13:53:20.892: g_object_ref:
assertion 'G_IS_OBJECT (object)' failed
(process:55334): GLib-GObject-WARNING **: 13:53:20.892: invalid (NULL)
pointer instance
(process:55334): GLib-GObject-CRITICAL **: 13:53:20.892:
g_signal_connect_data: assertion 'G_TYPE_CHECK_INSTANCE (instance)' failed
(process:55334): Gtk-CRITICAL **: 13:53:20.892:
IA__gtk_settings_get_for_screen: assertion 'GDK_IS_SCREEN (screen)' failed
(process:55334): Gtk-CRITICAL **: 13:53:20.892:
IA__gtk_settings_get_for_screen: assertion 'GDK_IS_SCREEN (screen)' failed
(process:55334): GLib-GObject-CRITICAL **: 13:53:20.892: g_object_ref:
assertion 'G_IS_OBJECT (object)' failed
(process:55334): GLib-GObject-WARNING **: 13:53:20.892: invalid (NULL)
pointer instance
(process:55334): GLib-GObject-CRITICAL **: 13:53:20.892:
g_signal_connect_data: assertion 'G_TYPE_CHECK_INSTANCE (instance)' failed
(process:55334): Gtk-CRITICAL **: 13:53:20.892:
IA__gtk_settings_get_for_screen: assertion 'GDK_IS_SCREEN (screen)' failed
(process:55334): Gtk-CRITICAL **: 13:53:20.892:
IA__gtk_settings_get_for_screen: assertion 'GDK_IS_SCREEN (screen)' failed
(process:55334): GLib-GObject-CRITICAL **: 13:53:20.892: g_object_ref:
assertion 'G_IS_OBJECT (object)' failed
(process:55334): GLib-GObject-WARNING **: 13:53:20.892: invalid (NULL)
pointer instance
(process:55334): GLib-GObject-CRITICAL **: 13:53:20.892:
g_signal_connect_data: assertion 'G_TYPE_CHECK_INSTANCE (instance)' failed
(process:55334): Gtk-CRITICAL **: 13:53:20.892:
IA__gtk_settings_get_for_screen: assertion 'GDK_IS_SCREEN (screen)' failed
(process:55334): Gtk-CRITICAL **: 13:53:20.892:
IA__gtk_settings_get_for_screen: assertion 'GDK_IS_SCREEN (screen)' failed
(process:55334): GLib-GObject-CRITICAL **: 13:53:20.892: g_object_ref:
assertion 'G_IS_OBJECT (object)' failed
(process:55334): GLib-GObject-WARNING **: 13:53:20.892: invalid (NULL)
pointer instance
(process:55334): GLib-GObject-CRITICAL **: 13:53:20.892:
g_signal_connect_data: assertion 'G_TYPE_CHECK_INSTANCE (instance)' failed
(process:55334): Gtk-CRITICAL **: 13:53:20.892:
IA__gtk_settings_get_for_screen: assertion 'GDK_IS_SCREEN (screen)' failed
(process:55334): Gtk-CRITICAL **: 13:53:20.892:
IA__gtk_settings_get_for_screen: assertion 'GDK_IS_SCREEN (screen)' failed
(process:55334): GLib-GObject-CRITICAL **: 13:53:20.892: g_object_ref:
assertion 'G_IS_OBJECT (object)' failed
(process:55334): GLib-GObject-WARNING **: 13:53:20.892: invalid (NULL)
pointer instance
(process:55334): GLib-GObject-CRITICAL **: 13:53:20.892:
g_signal_connect_data: assertion 'G_TYPE_CHECK_INSTANCE (instance)' failed
(process:55334): Gtk-CRITICAL **: 13:53:20.892:
IA__gtk_settings_get_for_screen: assertion 'GDK_IS_SCREEN (screen)' failed
(process:55334): Gtk-CRITICAL **: 13:53:20.892:
IA__gtk_settings_get_for_screen: assertion 'GDK_IS_SCREEN (screen)' failed
(process:55334): GLib-GObject-CRITICAL **: 13:53:20.892: g_object_ref:
assertion 'G_IS_OBJECT (object)' failed
(process:55334): GLib-GObject-WARNING **: 13:53:20.892: invalid (NULL)
pointer instance
(process:55334): GLib-GObject-CRITICAL **: 13:53:20.892:
g_signal_connect_data: assertion 'G_TYPE_CHECK_INSTANCE (instance)' failed
(process:55334): Gtk-CRITICAL **: 13:53:20.892:
IA__gtk_settings_get_for_screen: assertion 'GDK_IS_SCREEN (screen)' failed
(process:55334): Gtk-CRITICAL **: 13:53:20.892:
IA__gtk_settings_get_for_screen: assertion 'GDK_IS_SCREEN (screen)' failed
(process:55334): GLib-GObject-CRITICAL **: 13:53:20.892: g_object_ref:
assertion 'G_IS_OBJECT (object)' failed
(process:55334): GLib-GObject-WARNING **: 13:53:20.892: invalid (NULL)
pointer instance
(process:55334): GLib-GObject-CRITICAL **: 13:53:20.892:
g_signal_connect_data: assertion 'G_TYPE_CHECK_INSTANCE (instance)' failed
(process:55334): Gtk-CRITICAL **: 13:53:20.892:
IA__gtk_settings_get_for_screen: assertion 'GDK_IS_SCREEN (screen)' failed
(process:55334): Gtk-CRITICAL **: 13:53:20.892:
IA__gtk_settings_get_for_screen: assertion 'GDK_IS_SCREEN (screen)' failed
(process:55334): GLib-GObject-CRITICAL **: 13:53:20.892: g_object_ref:
assertion 'G_IS_OBJECT (object)' failed
(process:55334): GLib-GObject-WARNING **: 13:53:20.892: invalid (NULL)
pointer instance
(process:55334): GLib-GObject-CRITICAL **: 13:53:20.892:
g_signal_connect_data: assertion 'G_TYPE_CHECK_INSTANCE (instance)' failed
(process:55334): Gtk-CRITICAL **: 13:53:20.892:
IA__gtk_settings_get_for_screen: assertion 'GDK_IS_SCREEN (screen)' failed
(process:55334): Gtk-CRITICAL **: 13:53:20.892:
IA__gtk_settings_get_for_screen: assertion 'GDK_IS_SCREEN (screen)' failed
(process:55334): GLib-GObject-CRITICAL **: 13:53:20.892: g_object_ref:
assertion 'G_IS_OBJECT (object)' failed
(process:55334): GLib-GObject-WARNING **: 13:53:20.892: invalid (NULL)
pointer instance
(process:55334): GLib-GObject-CRITICAL **: 13:53:20.892:
g_signal_connect_data: assertion 'G_TYPE_CHECK_INSTANCE (instance)' failed
(process:55334): Gtk-CRITICAL **: 13:53:20.892:
IA__gtk_settings_get_for_screen: assertion 'GDK_IS_SCREEN (screen)' failed
(process:55334): Gtk-CRITICAL **: 13:53:20.892:
IA__gtk_settings_get_for_screen: assertion 'GDK_IS_SCREEN (screen)' failed
(process:55334): GLib-GObject-CRITICAL **: 13:53:20.892: g_object_ref:
assertion 'G_IS_OBJECT (object)' failed
(process:55334): GLib-GObject-WARNING **: 13:53:20.892: invalid (NULL)
pointer instance
(process:55334): GLib-GObject-CRITICAL **: 13:53:20.892:
g_signal_connect_data: assertion 'G_TYPE_CHECK_INSTANCE (instance)' failed
(process:55334): Gtk-CRITICAL **: 13:53:20.892:
IA__gtk_settings_get_for_screen: assertion 'GDK_IS_SCREEN (screen)' failed
(process:55334): Gtk-CRITICAL **: 13:53:20.892:
IA__gtk_settings_get_for_screen: assertion 'GDK_IS_SCREEN (screen)' failed
(process:55334): GLib-GObject-CRITICAL **: 13:53:20.893: g_object_ref:
assertion 'G_IS_OBJECT (object)' failed
(process:55334): GLib-GObject-WARNING **: 13:53:20.893: invalid (NULL)
pointer instance
(process:55334): GLib-GObject-CRITICAL **: 13:53:20.893:
g_signal_connect_data: assertion 'G_TYPE_CHECK_INSTANCE (instance)' failed
(process:55334): Gtk-CRITICAL **: 13:53:20.893:
IA__gtk_settings_get_for_screen: assertion 'GDK_IS_SCREEN (screen)' failed
(process:55334): Gtk-CRITICAL **: 13:53:20.893:
IA__gtk_settings_get_for_screen: assertion 'GDK_IS_SCREEN (screen)' failed
(process:55334): GLib-GObject-CRITICAL **: 13:53:20.893: g_object_ref:
assertion 'G_IS_OBJECT (object)' failed
(process:55334): GLib-GObject-WARNING **: 13:53:20.893: invalid (NULL)
pointer instance
(process:55334): GLib-GObject-CRITICAL **: 13:53:20.893:
g_signal_connect_data: assertion 'G_TYPE_CHECK_INSTANCE (instance)' failed
(process:55334): Gtk-CRITICAL **: 13:53:20.893:
IA__gtk_settings_get_for_screen: assertion 'GDK_IS_SCREEN (screen)' failed
(process:55334): Gtk-CRITICAL **: 13:53:20.893:
IA__gtk_settings_get_for_screen: assertion 'GDK_IS_SCREEN (screen)' failed
(process:55334): GLib-GObject-CRITICAL **: 13:53:20.893: g_object_ref:
assertion 'G_IS_OBJECT (object)' failed
(process:55334): GLib-GObject-WARNING **: 13:53:20.893: invalid (NULL)
pointer instance
(process:55334): GLib-GObject-CRITICAL **: 13:53:20.893:
g_signal_connect_data: assertion 'G_TYPE_CHECK_INSTANCE (instance)' failed
(process:55334): Gtk-CRITICAL **: 13:53:20.893:
IA__gtk_settings_get_for_screen: assertion 'GDK_IS_SCREEN (screen)' failed
(process:55334): Gtk-CRITICAL **: 13:53:20.893:
IA__gtk_settings_get_for_screen: assertion 'GDK_IS_SCREEN (screen)' failed
(process:55334): GLib-GObject-CRITICAL **: 13:53:20.893: g_object_ref:
assertion 'G_IS_OBJECT (object)' failed
(process:55334): GLib-GObject-WARNING **: 13:53:20.893: invalid (NULL)
pointer instance
(process:55334): GLib-GObject-CRITICAL **: 13:53:20.893:
g_signal_connect_data: assertion 'G_TYPE_CHECK_INSTANCE (instance)' failed
(process:55334): Gtk-CRITICAL **: 13:53:20.893:
IA__gtk_settings_get_for_screen: assertion 'GDK_IS_SCREEN (screen)' failed
(process:55334): Gtk-CRITICAL **: 13:53:20.893:
IA__gtk_settings_get_for_screen: assertion 'GDK_IS_SCREEN (screen)' failed
(process:55334): GLib-GObject-CRITICAL **: 13:53:20.893: g_object_ref:
assertion 'G_IS_OBJECT (object)' failed
(process:55334): GLib-GObject-WARNING **: 13:53:20.893: invalid (NULL)
pointer instance
(process:55334): GLib-GObject-CRITICAL **: 13:53:20.893:
g_signal_connect_data: assertion 'G_TYPE_CHECK_INSTANCE (instance)' failed
(process:55334): Gtk-CRITICAL **: 13:53:20.893:
IA__gtk_settings_get_for_screen: assertion 'GDK_IS_SCREEN (screen)' failed
Could not create pixmap from :/icons/Pictures/toolbar-default.png
Could not create pixmap from :/icons/Pictures/toolbar-default.png
Could not create pixmap from :/icons/Pictures/toolbar-default.png
Could not create pixmap from :/icons/Pictures/toolbar-default.png
Could not create pixmap from :/icons/Pictures/toolbar-default.png
Could not create pixmap from :/icons/Pictures/toolbar-default.png
Could not create pixmap from :/icons/Pictures/toolbar-default.png
Could not create pixmap from :/icons/Pictures/toolbar-default.png
Could not create pixmap from :/icons/Pictures/toolbar-default.png
Could not create pixmap from :/icons/Pictures/toolbar-default.png
Could not create pixmap from :/icons/Pictures/toolbar-default.png
libpng warning: iCCP: known incorrect sRGB profile
Could not create pixmap from :/icons/Pictures/toolbar-default.png
Could not create pixmap from :/icons/Pictures/toolbar-default.png
Could not create pixmap from :/icons/Pictures/toolbar-default.png
Could not create pixmap from :/icons/Pictures/toolbar-default.png
Could not create pixmap from :/icons/Pictures/toolbar-default.png
Could not create pixmap from :/icons/Pictures/toolbar-default.png
Could not create pixmap from :/icons/Pictures/toolbar-default.png
Could not create pixmap from :/icons/Pictures/toolbar-default.png
Could not create pixmap from :/icons/Pictures/toolbar-default.png
Could not create pixmap from :/icons/Pictures/toolbar-default.png
Could not create pixmap from :/icons/Pictures/toolbar-default.png
Could not create pixmap from :/icons/Pictures/toolbar-default.png
(process:55334): Gtk-WARNING **: 13:53:21.591: Screen for GtkWindow not
set; you must always set
a screen for a GtkWindow before using the window
(process:55334): Gdk-CRITICAL **: 13:53:21.591:
IA__gdk_screen_get_display: assertion 'GDK_IS_SCREEN (screen)' failed
(process:55334): Gdk-CRITICAL **: 13:53:21.591:
IA__gdk_keymap_get_for_display: assertion 'GDK_IS_DISPLAY (display)' failed
(process:55334): GLib-GObject-WARNING **: 13:53:21.591: invalid (NULL)
pointer instance
(process:55334): GLib-GObject-CRITICAL **: 13:53:21.591:
g_signal_connect_data: assertion 'G_TYPE_CHECK_INSTANCE (instance)' failed
(process:55334): Gtk-WARNING **: 13:53:21.591: Screen for GtkWindow not
set; you must always set
a screen for a GtkWindow before using the window
(process:55334): Gdk-CRITICAL **: 13:53:21.591:
IA__gdk_screen_get_display: assertion 'GDK_IS_SCREEN (screen)' failed
(process:55334): Gdk-CRITICAL **: 13:53:21.591:
IA__gdk_keymap_get_for_display: assertion 'GDK_IS_DISPLAY (display)' failed
(process:55334): GLib-GObject-WARNING **: 13:53:21.591: invalid (NULL)
pointer instance
(process:55334): GLib-GObject-CRITICAL **: 13:53:21.591:
g_signal_connect_data: assertion 'G_TYPE_CHECK_INSTANCE (instance)' failed
(process:55334): Gdk-CRITICAL **: 13:53:30.666:
IA__gdk_keymap_get_for_display: assertion 'GDK_IS_DISPLAY (display)' failed
(process:55334): Gdk-CRITICAL **: 13:53:30.666:
IA__gdk_screen_get_root_window: assertion 'GDK_IS_SCREEN (screen)' failed
(process:55334): Gdk-CRITICAL **: 13:53:30.666:
IA__gdk_keymap_get_for_display: assertion 'GDK_IS_DISPLAY (display)' failed
Segmentation fault (core dumped)
I'm running 4.0-0ubuntu6(hirsute) from Pop_OS 21.04.
The link to the developer's page appears to be broken (goes to a
hostname not registered type page).
Is there an upstream place from which the source code comes?
Thanks for any assistance you can provide.
--Russell Almond
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