Comment 13 for bug 1768038

I did this. I got the same error notification. This is the last bit of the debug output (I then killed it). It means nothing to me, but maybe it does to someone else.

TRACE[xfpm-manager.c:491] xfpm_manager_alarm_timeout_cb(): Alarm inactivity timeout id 2
TRACE[xfpm-backlight.c:132] xfpm_backlight_dim_brightness(): Current brightness level before dimming : 186, new 51
TRACE[xfpm-backlight.c:210] xfpm_backlight_reset_cb(): Alarm reset, setting level to 186
TRACE[xfpm-manager.c:491] xfpm_manager_alarm_timeout_cb(): Alarm inactivity timeout id 2
TRACE[xfpm-backlight.c:132] xfpm_backlight_dim_brightness(): Current brightness level before dimming : 186, new 51
TRACE[xfpm-backlight.c:210] xfpm_backlight_reset_cb(): Alarm reset, setting level to 186
TRACE[xfpm-manager.c:491] xfpm_manager_alarm_timeout_cb(): Alarm inactivity timeout id 2
TRACE[xfpm-backlight.c:132] xfpm_backlight_dim_brightness(): Current brightness level before dimming : 186, new 51
TRACE[xfpm-manager.c:491] xfpm_manager_alarm_timeout_cb(): Alarm inactivity timeout id 4

** (xfce4-power-manager:2379): WARNING **: 13:57:39.345: No outputs have backlight property

(xfce4-power-manager:2379): GLib-CRITICAL **: 13:57:39.917: g_variant_unref: assertion 'value != NULL' failed
TRACE[xfpm-backlight.c:210] xfpm_backlight_reset_cb(): Alarm reset, setting level to 186
^[[C^CTRACE[xfpm-main.c:68] xfpm_quit_signal(): sig 2
TRACE[xfpm-manager.c:939] xfpm_manager_stop(): Stopping
TRACE[xfpm-manager.c:266] xfpm_manager_quit(): Exiting
xfce4-power-manager-Message: 14:07:36.026: Restored brightness switch value to: 1

(xfce4-power-manager:2379): Gtk-WARNING **: 14:07:36.027: A floating object was finalized. This means that someone
called g_object_unref() on an object that had only a floating
reference; the initial floating reference is not owned by anyone
and must be removed with g_object_ref_sink().

(xfce4-power-manager:2379): GLib-CRITICAL **: 14:07:36.028: Source ID 146 was not found when attempting to remove it