(polkit-gnome-authentication-agent-1:1890): GLib-CRITICAL **: g_variant_new_string: assertion `string != NULL' failed
(polkit-gnome-authentication-agent-1:1890): polkit-gnome-1-WARNING **: Failed to register client: GDBus.Error:org.freedesktop.DBus.Error.ServiceUnknown: The name org.gnome.SessionManager was not provided by any .service files
(xfce4-indicator-plugin:1979): libindicator-WARNING **: IndicatorObject class does not have an accessible description.
(xfce4-indicator-plugin:1979): Indicator-Application-WARNING **: Unable to get application list: Operation was cancelled
(xfce4-indicator-plugin:1979): Gtk-CRITICAL **: IA__gtk_widget_realize: assertion `GTK_WIDGET_ANCHORED (widget) || GTK_IS_INVISIBLE (widget)' failed
(update-notifier:1904): GLib-GObject-CRITICAL **: g_object_get_data: assertion `G_IS_OBJECT (object)' failed
(process:2035): GLib-CRITICAL **: g_slice_set_config: assertion `sys_page_size == 0' failed
(process:2038): GLib-CRITICAL **: g_slice_set_config: assertion `sys_page_size == 0' failed
(polkit-gnome-authentication-agent-1:1890): GLib-WARNING **: GChildWatchSource: Exit status of a child process was requested but ECHILD was received by waitpid(). Most likely the process is ignoring SIGCHLD, or some other thread is invoking waitpid() with a nonpositive first argument; either behavior can break applications that use g_child_watch_add()/g_spawn_sync() either directly or indirectly.
(update-notifier:1904): LIBDBUSMENU-GLIB-WARNING **: Trying to remove a child that doesn't believe we're its parent.
(xfce4-indicator-plugin:1979): GLib-GObject-WARNING **: invalid unclassed pointer in cast to `GObject'
(xfce4-indicator-plugin:1979): GLib-GObject-CRITICAL **: g_object_unref: assertion `G_IS_OBJECT (object)' failed
(xfce4-indicator-plugin:1979): GLib-GObject-WARNING **: invalid uninstantiatable type `(null)' in cast to `GObject'
(xfce4-indicator-plugin:1979): GLib-GObject-CRITICAL **: g_object_unref: assertion `G_IS_OBJECT (object)' failed
(process:3996): GLib-CRITICAL **: g_slice_set_config: assertion `sys_page_size == 0' failed
(update-notifier:1904): LIBDBUSMENU-GLIB-WARNING **: Trying to remove a child that doesn't believe we're its parent.
(xfce4-indicator-plugin:1979): GLib-GObject-WARNING **: invalid unclassed pointer in cast to `GObject'
(xfce4-indicator-plugin:1979): GLib-GObject-CRITICAL **: g_object_unref: assertion `G_IS_OBJECT (object)' failed
(process:5764): GLib-CRITICAL **: g_slice_set_config: assertion `sys_page_size == 0' failed
(update-notifier:1904): LIBDBUSMENU-GLIB-WARNING **: Trying to remove a child that doesn't believe we're its parent.
(xfce4-indicator-plugin:1979): GLib-GObject-WARNING **: invalid uninstantiatable type `(null)' in cast to `GObject'
(xfce4-indicator-plugin:1979): GLib-GObject-CRITICAL **: g_object_unref: assertion `G_IS_OBJECT (object)' failed
(process:7666): GLib-CRITICAL **: g_slice_set_config: assertion `sys_page_size == 0' failed
(gimp-2.8:7710): Gtk-WARNING **: Attempting to read the recently used resources file at `/home/alkali/.local/share/recently-used.xbel', but the parser failed: Failed to open file '/home/alkali/.local/share/recently-used.xbel': Permission denied.
(ristretto:7909): Gtk-WARNING **: Attempting to read the recently used resources file at `/home/alkali/.local/share/recently-used.xbel', but the parser failed: Failed to open file '/home/alkali/.local/share/recently-used.xbel': Permission denied.
(update-notifier:1904): LIBDBUSMENU-GLIB-WARNING **: Trying to remove a child that doesn't believe we're its parent.
(xfce4-indicator-plugin:1979): GLib-GObject-WARNING **: invalid unclassed pointer in cast to `GObject'
(xfce4-indicator-plugin:1979): GLib-GObject-CRITICAL **: g_object_unref: assertion `G_IS_OBJECT (object)' failed
(process:9694): GLib-CRITICAL **: g_slice_set_config: assertion `sys_page_size == 0' failed
(update-notifier:1904): LIBDBUSMENU-GLIB-WARNING **: Trying to remove a child that doesn't believe we're its parent.
(xfce4-indicator-plugin:1979): GLib-GObject-WARNING **: invalid uninstantiatable type `(null)' in cast to `GObject'
(xfce4-indicator-plugin:1979): GLib-GObject-CRITICAL **: g_object_unref: assertion `G_IS_OBJECT (object)' failed
(update-notifier:1904): LIBDBUSMENU-GLIB-WARNING **: Trying to remove a child that doesn't believe we're its parent.
(xfce4-indicator-plugin:1979): GLib-GObject-WARNING **: invalid unclassed pointer in cast to `GObject'
(xfce4-indicator-plugin:1979): GLib-GObject-CRITICAL **: g_object_unref: assertion `G_IS_OBJECT (object)' failed
(update-notifier:1904): LIBDBUSMENU-GLIB-WARNING **: Trying to remove a child that doesn't believe we're its parent.
(xfce4-indicator-plugin:1979): GLib-GObject-WARNING **: invalid uninstantiatable type `(null)' in cast to `GObject'
(xfce4-indicator-plugin:1979): GLib-GObject-CRITICAL **: g_object_unref: assertion `G_IS_OBJECT (object)' failed