(gnome-settings-daemon:1475): GnomeDesktop-WARNING **: could not get output property for LVDS, rc: 15
(gnome-settings-daemon:1475): GnomeDesktop-WARNING **: could not get output property for LVDS, rc: 15
(gnome-settings-daemon:1475): GnomeDesktop-WARNING **: could not get output property for LVDS, rc: 15
(gnome-settings-daemon:1475): GnomeDesktop-WARNING **: could not get output property for LVDS, rc: 15
(gnome-settings-daemon:1475): GnomeDesktop-WARNING **: could not get output property for LVDS, rc: 15
(gnome-settings-daemon:1475): GnomeDesktop-WARNING **: could not get output property for LVDS, rc: 15
(gnome-settings-daemon:1475): GnomeDesktop-WARNING **: could not get output property for LVDS, rc: 15
(gnome-screensaver:1554): GnomeDesktop-WARNING **: could not get output property for LVDS, rc: 15
(update-manager:2556): Gtk-WARNING **: Attempting to add a widget with type aptdaemon+gtk3widgets+AptProgressDialog to a GtkWindow, but as a GtkBin subclass a GtkWindow can only contain one widget at a time; it already contains a widget of type GtkVBox
(gnome-shell:1504): St-CRITICAL **: _st_paint_shadow_with_opacity: assertion `shadow_spec != NULL' failed
(google-chrome:6233): GdkPixbuf-CRITICAL **: gdk_pixbuf_new_from_data: assertion `width > 0' failed
(exe:6495): Gdk-WARNING **: XID collision, trouble ahead
(gnome-tweak-tool:6664): Gtk-CRITICAL **: gtk_widget_get_preferred_height_for_width: assertion `width >= 0' failed
(gnome-tweak-tool:6664): Gtk-CRITICAL **: gtk_widget_get_preferred_height_for_width: assertion `width >= 0' failed
(gnome-tweak-tool:6664): Gtk-CRITICAL **: gtk_widget_get_preferred_height_for_width: assertion `width >= 0' failed
(gnome-tweak-tool:6664): Gtk-CRITICAL **: gtk_widget_get_preferred_height_for_width: assertion `width >= 0' failed
(gnome-tweak-tool:6664): Gtk-CRITICAL **: gtk_widget_get_preferred_height_for_width: assertion `width >= 0' failed
(gnome-tweak-tool:6664): Gtk-CRITICAL **: gtk_widget_get_preferred_height_for_width: assertion `width >= 0' failed
(gnome-tweak-tool:6664): Gtk-CRITICAL **: gtk_widget_get_preferred_height_for_width: assertion `width >= 0' failed
(gnome-tweak-tool:6664): Gtk-CRITICAL **: gtk_widget_get_preferred_height_for_width: assertion `width >= 0' failed
(gnome-tweak-tool:6664): Gtk-CRITICAL **: gtk_widget_get_preferred_height_for_width: assertion `width >= 0' failed
(gnome-tweak-tool:6664): Gtk-CRITICAL **: gtk_widget_get_preferred_height_for_width: assertion `width >= 0' failed
(gnome-tweak-tool:6664): Gtk-CRITICAL **: gtk_widget_get_preferred_height_for_width: assertion `width >= 0' failed
(gnome-tweak-tool:6664): Gtk-CRITICAL **: gtk_widget_get_preferred_height_for_width: assertion `width >= 0' failed
(gnome-tweak-tool:6664): Gtk-CRITICAL **: gtk_widget_get_preferred_height_for_width: assertion `width >= 0' failed
(gnome-tweak-tool:6664): Gtk-CRITICAL **: gtk_widget_get_preferred_height_for_width: assertion `width >= 0' failed
(gnome-tweak-tool:6664): Gtk-CRITICAL **: gtk_widget_get_preferred_height_for_width: assertion `width >= 0' failed