Public bug reported:
Binary package hint: gnome-power-manager
When I try to change the brightness using hotkeys brightness jumps to a random
value. Setting it through /proc/acpi or with xrandr works as expected. Relevant
line from "xrandr --prop":
BACKLIGHT_CONTROL: kernel
supported: native legacy combination kernel
BACKLIGHT: 3 (0x00000003) range: (0,6)
Also launching gnome-power-manager --verbose --no-daemon, pressing one
time brightness-down and then brightness-up produces the attached log
** Affects: gnome-power-manager (Ubuntu)
Importance: Undecided
Status: New
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Random reaction to brightness hotkeys
https://bugs.launchpad.net/bugs/376924
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