When starting laptop (Acer Aspire 7730G) it's starting with very dark backlight. Like the powercable isnt plugged in. Also it wont change any backlight if pull in and out the powercable. The error i get from running: xbacklight -get ** (xfce4-brightness-plugin:1939): WARNING **: No outputs have backlight property ** (xfce4-brightness-plugin:1939): DEBUG: executed /usr/sbin/xfpm-power-backlight-helper --get-max-brightness; retval: 0 ** (xfce4-brightness-plugin:1939): DEBUG: xfpm_brightness_setup_helper: get-max-brightness returned 9 ** (xfce4-brightness-plugin:1939): DEBUG: xrandr not available, brightness controlled by sysfs helper; min_level=0 max_level=9 ** (xfce4-brightness-plugin:1939): DEBUG: executed /usr/sbin/xfpm-power-backlight-helper --get-brightness; retval: 0 ** (xfce4-brightness-plugin:1939): DEBUG: xfpm_brightness_helper_get_level: get-brightness returned 0 ** (xfce4-brightness-plugin:1939): DEBUG: executed /usr/sbin/xfpm-power-backlight-helper --get-brightness; retval: 0 ** (xfce4-brightness-plugin:1939): DEBUG: xfpm_brightness_helper_get_level: get-brightness returned 0 ** (xfce4-brightness-plugin:1939): DEBUG: executed /usr/sbin/xfpm-power-backlight-helper --get-brightness; retval: 0 ** (xfce4-brightness-plugin:1939): DEBUG: xfpm_brightness_helper_get_level: get-brightness returned 0 ** (xfce4-brightness-plugin:1939): DEBUG: executed pkexec /usr/sbin/xfpm-power-backlight-helper --set-brightness 1; retval: 0 ** (xfce4-brightness-plugin:1939): DEBUG: executed /usr/sbin/xfpm-power-backlight-helper --get-brightness; retval: 0 ** (xfce4-brightness-plugin:1939): DEBUG: xfpm_brightness_helper_get_level: get-brightness returned 1 ** (xfce4-brightness-plugin:1939): DEBUG: executed /usr/sbin/xfpm-power-backlight-helper --get-brightness; retval: 0 ** (xfce4-brightness-plugin:1939): DEBUG: xfpm_brightness_helper_get_level: get-brightness returned 1 ** (xfce4-brightness-plugin:1939): DEBUG: executed pkexec /usr/sbin/xfpm-power-backlight-helper --set-brightness 0; retval: 0 ** (xfce4-brightness-plugin:1939): DEBUG: executed /usr/sbin/xfpm-power-backlight-helper --get-brightness; retval: 0 ** (xfce4-brightness-plugin:1939): DEBUG: xfpm_brightness_helper_get_level: get-brightness returned 0 ** (xfce4-brightness-plugin:1939): DEBUG: executed /usr/sbin/xfpm-power-backlight-helper --get-brightness; retval: 0 ** (xfce4-brightness-plugin:1939): DEBUG: xfpm_brightness_helper_get_level: get-brightness returned 0 ** (xfce4-brightness-plugin:1939): DEBUG: executed /usr/sbin/xfpm-power-backlight-helper --get-brightness; retval: 0 ** (xfce4-brightness-plugin:1939): DEBUG: xfpm_brightness_helper_get_level: get-brightness returned 0 ** (xfce4-brightness-plugin:1939): DEBUG: executed pkexec /usr/sbin/xfpm-power-backlight-helper --set-brightness 1; retval: 0 ** (xfce4-brightness-plugin:1939): DEBUG: executed /usr/sbin/xfpm-power-backlight-helper --get-brightness; retval: 0 ** (xfce4-brightness-plugin:1939): DEBUG: xfpm_brightness_helper_get_level: get-brightness returned 1 ** (xfce4-brightness-plugin:1939): DEBUG: executed pkexec /usr/sbin/xfpm-power-backlight-helper --set-brightness 2; retval: 0 ** (xfce4-brightness-plugin:1939): DEBUG: executed /usr/sbin/xfpm-power-backlight-helper --get-brightness; retval: 0 ** (xfce4-brightness-plugin:1939): DEBUG: xfpm_brightness_helper_get_level: get-brightness returned 2 ** (xfce4-brightness-plugin:1939): DEBUG: executed /usr/sbin/xfpm-power-backlight-helper --get-brightness; retval: 0 ** (xfce4-brightness-plugin:1939): DEBUG: xfpm_brightness_helper_get_level: get-brightness returned 2 ** (xfce4-brightness-plugin:1939): DEBUG: executed /usr/sbin/xfpm-power-backlight-helper --get-brightness; retval: 0 ** (xfce4-brightness-plugin:1939): DEBUG: xfpm_brightness_helper_get_level: get-brightness returned 2 ** (xfce4-brightness-plugin:1939): DEBUG: executed pkexec /usr/sbin/xfpm-power-backlight-helper --set-brightness 3; retval: 0 ** (xfce4-brightness-plugin:1939): DEBUG: executed /usr/sbin/xfpm-power-backlight-helper --get-brightness; retval: 0 ** (xfce4-brightness-plugin:1939): DEBUG: xfpm_brightness_helper_get_level: get-brightness returned 3 ** (xfce4-brightness-plugin:1939): DEBUG: executed pkexec /usr/sbin/xfpm-power-backlight-helper --set-brightness 9; retval: 0 ** (xfce4-brightness-plugin:1939): DEBUG: executed /usr/sbin/xfpm-power-backlight-helper --get-brightness; retval: 0 ** (xfce4-brightness-plugin:1939): DEBUG: xfpm_brightness_helper_get_level: get-brightness returned 9 ** (xfce4-brightness-plugin:1939): DEBUG: executed pkexec /usr/sbin/xfpm-power-backlight-helper --set-brightness 8; retval: 0 ** (xfce4-brightness-plugin:1939): DEBUG: executed /usr/sbin/xfpm-power-backlight-helper --get-brightness; retval: 0 ** (xfce4-brightness-plugin:1939): DEBUG: xfpm_brightness_helper_get_level: get-brightness returned 8 ** (xfce4-brightness-plugin:1939): DEBUG: executed /usr/sbin/xfpm-power-backlight-helper --get-brightness; retval: 0 ** (xfce4-brightness-plugin:1939): DEBUG: xfpm_brightness_helper_get_level: get-brightness returned 8 ** (xfce4-brightness-plugin:1939): DEBUG: executed pkexec /usr/sbin/xfpm-power-backlight-helper --set-brightness 9; retval: 0 [reply] [-] Comment 4
[TForsman@localhost ~]$ xfce4-power-manager --debug TRACE[xfpm-main.c:200] xfpm_start(): Starting the power manager TRACE[xfpm-xfconf.c:156] xfpm_xfconf_load(): Using default configuration for general-notification TRACE[xfpm-xfconf.c:156] xfpm_xfconf_load(): Using default configuration for lock-screen-suspend-hibernate TRACE[xfpm-xfconf.c:156] xfpm_xfconf_load(): Using default configuration for power-save-on-battery TRACE[xfpm-xfconf.c:156] xfpm_xfconf_load(): Using default configuration for enable-cpu-freq-control TRACE[xfpm-xfconf.c:156] xfpm_xfconf_load(): Using default configuration for critical-power-level TRACE[xfpm-xfconf.c:156] xfpm_xfconf_load(): Using default configuration for show-brightness-popup TRACE[xfpm-xfconf.c:156] xfpm_xfconf_load(): Using default configuration for change-brightness-on-key-events TRACE[xfpm-xfconf.c:156] xfpm_xfconf_load(): Using default configuration for critical-power-action TRACE[xfpm-xfconf.c:156] xfpm_xfconf_load(): Using default configuration for power-button-action TRACE[xfpm-xfconf.c:156] xfpm_xfconf_load(): Using default configuration for hibernate-button-action TRACE[xfpm-xfconf.c:156] xfpm_xfconf_load(): Using default configuration for sleep-button-action TRACE[xfpm-xfconf.c:156] xfpm_xfconf_load(): Using default configuration for lid-action-on-ac TRACE[xfpm-xfconf.c:156] xfpm_xfconf_load(): Using default configuration for lid-action-on-battery TRACE[xfpm-xfconf.c:156] xfpm_xfconf_load(): Using default configuration for brightness-level-on-ac TRACE[xfpm-xfconf.c:156] xfpm_xfconf_load(): Using default configuration for dpms-enabled TRACE[xfpm-xfconf.c:156] xfpm_xfconf_load(): Using default configuration for dpms-on-ac-sleep TRACE[xfpm-xfconf.c:156] xfpm_xfconf_load(): Using default configuration for dpms-on-ac-off TRACE[xfpm-xfconf.c:156] xfpm_xfconf_load(): Using default configuration for dpms-on-battery-sleep TRACE[xfpm-xfconf.c:156] xfpm_xfconf_load(): Using default configuration for dpms-on-battery-off TRACE[xfpm-xfconf.c:156] xfpm_xfconf_load(): Using default configuration for dpms-sleep-mode TRACE[xfpm-xfconf.c:156] xfpm_xfconf_load(): Using default configuration for inactivity-on-ac TRACE[xfpm-xfconf.c:156] xfpm_xfconf_load(): Using default configuration for inactivity-on-battery TRACE[xfpm-xfconf.c:156] xfpm_xfconf_load(): Using default configuration for inactivity-sleep-mode TRACE[xfpm-xfconf.c:156] xfpm_xfconf_load(): Using default configuration for brightness-on-battery TRACE[xfpm-xfconf.c:156] xfpm_xfconf_load(): Using default configuration for spin-down-on-ac TRACE[xfpm-xfconf.c:156] xfpm_xfconf_load(): Using default configuration for spin-down-on-battery TRACE[xfpm-xfconf.c:156] xfpm_xfconf_load(): Using default configuration for spin-down-on-ac-timeout TRACE[xfpm-xfconf.c:156] xfpm_xfconf_load(): Using default configuration for spin-down-on-battery-timeout TRACE[xfpm-power.c:1053] xfpm_power_get_power_devices(): Power device detected at : /org/freedesktop/UPower/devices/line_power_ACAD TRACE[xfpm-power.c:1053] xfpm_power_get_power_devices(): Power device detected at : /org/freedesktop/UPower/devices/battery_BAT1 TRACE[xfpm-power.c:1011] xfpm_power_add_device(): Battery device detected at : /org/freedesktop/UPower/devices/battery_BAT1: ((XfpmDeviceType) XFPM_DEVICE_TYPE_BATTERY) TRACE[xfpm-button.c:179] xfpm_button_xevent_key(): Grabbed key 124 : ((XfpmButtonKey) BUTTON_POWER_OFF) (xfce4-power-manager:2730): xfce4-power-manager-WARNING **: could not map keysym 1008ffa8 to keycode TRACE[xfpm-button.c:179] xfpm_button_xevent_key(): Grabbed key 213 : ((XfpmButtonKey) BUTTON_HIBERNATE) TRACE[xfpm-button.c:179] xfpm_button_xevent_key(): Grabbed key 150 : ((XfpmButtonKey) BUTTON_SLEEP) TRACE[xfpm-button.c:179] xfpm_button_xevent_key(): Grabbed key 233 : ((XfpmButtonKey) BUTTON_MON_BRIGHTNESS_UP) TRACE[xfpm-button.c:179] xfpm_button_xevent_key(): Grabbed key 232 : ((XfpmButtonKey) BUTTON_MON_BRIGHTNESS_DOWN) TRACE[xfpm-button.c:179] xfpm_button_xevent_key(): Grabbed key 244 : ((XfpmButtonKey) BUTTON_BATTERY) TRACE[xfpm-battery.c:148] xfpm_battery_refresh_visible(): visible=TRUE: ((XfpmShowIcon) SHOW_ICON_ALWAYS) TRACE[xfpm-battery.c:284] xfpm_battery_refresh_icon(): Battery state 4 TRACE[xfpm-power.c:1152] xfpm_power_refresh_adaptor_visible(): Tray icon configuration: : ((XfpmShowIcon) SHOW_ICON_ALWAYS) TRACE[xfpm-power.c:1117] xfpm_power_hide_adapter_icon(): Hide adaptor icon TRACE[xfpm-polkit.c:339] xfpm_polkit_init_data(): Using unix session polkit subject TRACE[xfpm-polkit.c:426] xfpm_polkit_check_auth_intern(): Action=org.freedesktop.upower.suspend is authorized=TRUE TRACE[xfpm-polkit.c:426] xfpm_polkit_check_auth_intern(): Action=org.freedesktop.upower.hibernate is authorized=TRUE TRACE[xfpm-power.c:1152] xfpm_power_refresh_adaptor_visible(): Tray icon configuration: : ((XfpmShowIcon) SHOW_ICON_ALWAYS) TRACE[xfpm-power.c:1117] xfpm_power_hide_adapter_icon(): Hide adaptor icon TRACE[xfpm-polkit.c:426] xfpm_polkit_check_auth_intern(): Action=org.freedesktop.udisks.drive-set-spindown is authorized=TRUE TRACE[xfpm-disks.c:170] xfpm_disks_get_is_auth_to_spin(): Is auth to spin down disks : 1 TRACE[xfpm-disks.c:147] xfpm_disks_set_spin_timeouts(): On Battery=0 spin_down_enabled=0 timeout=800 ** (xfce4-power-manager:2730): WARNING **: No outputs have backlight property ** (xfce4-power-manager:2730): DEBUG: executed /usr/sbin/xfpm-power-backlight-helper --get-max-brightness; retval: 0 ** (xfce4-power-manager:2730): DEBUG: xfpm_brightness_setup_helper: get-max-brightness returned 9 ** (xfce4-power-manager:2730): DEBUG: xrandr not available, brightness controlled by sysfs helper; min_level=0 max_level=9 ** (xfce4-power-manager:2730): DEBUG: executed /usr/sbin/xfpm-power-backlight-helper --get-brightness; retval: 0 ** (xfce4-power-manager:2730): DEBUG: xfpm_brightness_helper_get_level: get-brightness returned 9 TRACE[xfpm-backlight.c:318] xfpm_backlight_brightness_on_ac_settings_changed(): Alarm on ac timeout changed 120 TRACE[xfpm-backlight.c:339] xfpm_backlight_brightness_on_battery_settings_changed(): Alarm on battery timeout changed 120
Thanks for your report, can you explain step by step what is the problem.
(In reply to comment #2) > Thanks for your report, can you explain step by step what is the problem. From first post: When starting laptop (Acer Aspire 7730G) it's starting with very dark backlight. Like the powercable isnt plugged in. Also it wont change any backlight if pull in and out the powercable. thats about it, it wont turn on backlight from booting up the laptop. So the screen/desktop is very dark. Will try to reinstall XFCE and see if that makes any difference, if no one can see whats causing this issue. It might be local issue.
I'm closing this very old bug report. I'm not even sure it has anything to do with xfpm. Please reopen if necessary.