Failed to start Load/Save Screen Backlight

[Pamazigh]

Salut tous le monde;
je suis un novice sur linux je vien de l'installer et j'ai un problem que je saurai identifier, ces depuis un moment que je cherche une solutions mais rien ne marche.
Alors S.V.P aidez moi?
Info:
system : Kali GNU/Linux Rolling 64-bit

Detail du problem:
● systemd-backlight@backlight:acpi_video0.service - Load/Save Screen Backlight Brightness of backlight:acpi_video0
Loaded: loaded (/lib/systemd/system/systemd-backlight@.service; static; vendor preset: disabled)
Active: failed (Result: exit-code) since Sun 2017-01-15 06:30:41 CST; 27min ago
Docs: man:systemd-backlight@.service(8)
Main PID: 921 (code=exited, status=1/FAILURE)

Jan 15 06:30:41 Pamazigh systemd[1]: Starting Load/Save Screen Backlight Brightness of backlight:acpi_video0...
Jan 15 06:30:41 Pamazigh systemd[1]: systemd-backlight@backlight:acpi_video0.service: Main process exited, code=exited, status=1/FAILURE
Jan 15 06:30:41 Pamazigh systemd[1]: Failed to start Load/Save Screen Backlight Brightness of backlight:acpi_video0.
Jan 15 06:30:41 Pamazigh systemd[1]: systemd-backlight@backlight:acpi_video0.service: Unit entered failed state.
Jan 15 06:30:41 Pamazigh systemd[1]: systemd-backlight@backlight:acpi_video0.service: Failed with result 'exit-code'.

journalctl -xe :
Jan 15 06:56:22 Pamazigh systemd[1]: Starting Hostname Service...
-- Subject: Unit systemd-hostnamed.service has begun start-up
-- Defined-By: systemd
-- Support: https://www.debian.org/support
--
-- Unit systemd-hostnamed.service has begun starting up.
Jan 15 06:56:22 Pamazigh dbus[1077]: [system] Successfully activated service 'org.freedesktop.hostname1'
Jan 15 06:56:22 Pamazigh systemd[1]: Started Hostname Service.
-- Subject: Unit systemd-hostnamed.service has finished start-up
-- Defined-By: systemd
-- Support: https://www.debian.org/support
--
-- Unit systemd-hostnamed.service has finished starting up.
--
-- The start-up result is done.
Jan 15 06:57:46 Pamazigh NetworkManager[1188]: <info> [1484485066.8826] device (wlan0): set-hw-addr: set MAC address to 8E:C7:07:5C:EF:A9 (scanning)
Jan 15 06:57:47 Pamazigh kernel: b43-phy0: Loading firmware version 666.2 (2011-02-23 01:15:07)
Jan 15 06:57:47 Pamazigh NetworkManager[1188]: <info> [1484485067.2027] device (wlan0): supplicant interface state: inactive -> disabled
Jan 15 06:57:47 Pamazigh kernel: IPv6: ADDRCONF(NETDEV_UP): wlan0: link is not ready
Jan 15 06:57:47 Pamazigh NetworkManager[1188]: <info> [1484485067.2550] device (wlan0): supplicant interface state: disabled -> inactive
Jan 15 06:57:47 Pamazigh wpa_supplicant[1445]: wlan0: Reject scan trigger since one is already pending

[Head_on_a_Stick]

Try:

Code: Select all

# systemctl mask systemd-backlight@backlight:acpi_video0.service

And please search before posting, I have answered this exact same query before on these boards...

EDIT: Dammit you're using Kali

Ah well, at least mor will be pleased

[arochester]

system : Kali GNU/Linux Rolling 64-bit

Kali Forums >>> https://forums.kali.org/

[Pamazigh]

Thank you very much for your reply
that's what this com will return Created symlink /etc/systemd/system/systemd-backlight@backlight:acpi_video0.service → /dev/null.