Several warnings from xfce4-power-manager at startup
These started appearing in my journal at Xfce startup after upgrading to 4.16. Similar warnings are given off by xfce4-power-manager 1.6.6 with the --no-daemon
flag. Therefore, !3 (merged) might be the reason these warnings are now printed to the journal (and ~/.xsession-errors depending on configuration).
** (xfce4-power-manager:106452): WARNING **: 09:46:10.327: Failed to get name owner:
GDBus.Error:org.freedesktop.DBus.Error.NameHasNoOwner: Could not get owner of name
'org.freedesktop.PowerManagement': no such name
** (xfce4-power-manager:106452): WARNING **: 09:46:10.328: Failed to get name owner:
GDBus.Error:org.freedesktop.DBus.Error.NameHasNoOwner: Could not get owner of name
'org.xfce.PowerManager': no such name
(xfce4-power-manager:106452): GLib-GObject-WARNING **: 09:46:10.355:
../glib/gobject/gsignal.c:2613: signal 'Changed' is invalid for instance
'0x5555f617d510' of type 'GDBusProxy'
(xfce4-power-manager:106452): xfce4-power-manager-WARNING **: 09:46:10.372:
could not map keysym 1008ffa8 to keycode
** (xfce4-power-manager:106452): WARNING **: 09:46:10.390: No outputs have backlight property
xfce4-power-manager-Message: 09:46:10.429: Set kernel brightness switch to 0
(xfce4-power-manager:106452): xfce4-power-manager-WARNING **: 09:46:10.437: Failed to
get keyboard max brightness level : GDBus.Error:org.freedesktop.DBus.Error.UnknownMethod:
No such interface “org.freedesktop.UPower.KbdBacklight” on object at path
/org/freedesktop/UPower/KbdBacklight