Hello,
inside "/sys/class/backlight/" I have two folders: "acpi_video0" and
"acpi_video1":
~$ systemctl status systemd-backlight@backlight:acpi_video0.service
● systemd-backlight@backlight:acpi_video0.service - Load/Save Screen Backlight B
Loaded: loaded (/lib/systemd/system/systemd-backlight@.service; static; vendo
Active: active (exited) since Sat 2017-04-08 13:37:31 CEST; 16min ago
Docs: man:systemd-backlight@.service(8)
Main PID: 683 (code=exited, status=0/SUCCESS)
~$ systemctl status systemd-backlight@backlight:acpi_video1.service
● systemd-backlight@backlight:acpi_video1.service - Load/Save Screen Backlight B
Loaded: loaded (/lib/systemd/system/systemd-backlight@.service; static; vendo
Active: active (exited) since Sat 2017-04-08 13:37:31 CEST; 22min ago
Docs: man:systemd-backlight@.service(8)
Main PID: 684 (code=exited, status=0/SUCCESS)
Today I received many Ubuntu updates (kernel included), and I also installed
freshly released Nvidia 381.09 driver (via “Graphics Drivers” team -
Proprietary GPU Drivers PPA).
Now brightness settings are correctly saved, but I have a new problem: changing
brightness level doesn't produce any effect (both with or without Nvidia driver
installed).
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You received this bug notification because you are a member of Ubuntu
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https://bugs.launchpad.net/bugs/1270579
Title:
On laptops, screen brightness and keyboard backlight isn't memorized
between sessions
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