Public bug reported:
If I decrease the screen brightness using the Fn-F5 key to the lowest level,
after a few seconds of inactivity (without touching the keyboard nor the
touchpad) the screen brightness goes up automatically to a medium level.
Then, as soon as I move the pointer, the brightness is increased to the maximum
level.
>From this point on, the screen brighness alternates automatically
between medium/maximum level. That is, it decreases when idle, and
increases when using the keyboard or mouse.
The expected behaviour is that brightness does not change by itself once
set using the Fn keys.
This bug happens when on battery power.
I didn't try on AC power.
ProblemType: Bug
DistroRelease: Ubuntu 12.04
Package: gnome-power-manager 3.2.1-2
ProcVersionSignature: Ubuntu 3.2.0-8.15-generic 3.2.0
Uname: Linux 3.2.0-8-generic x86_64
ApportVersion: 1.90-0ubuntu2
Architecture: amd64
Date: Sat Jan 14 21:44:39 2012
ProcEnviron:
PATH=(custom, no user)
LANG=it_IT.UTF-8
SHELL=/bin/bash
SourcePackage: gnome-power-manager
UpgradeStatus: No upgrade log present (probably fresh install)
** Affects: gnome-power-manager (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug precise running-unity
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https://bugs.launchpad.net/bugs/916595
Title:
Screen brightness increases by itself
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