Bug 695087 - Brightness levels are reset on a reboot
Brightness levels are reset on a reboot
Product: Fedora
Classification: Fedora
Component: gnome-settings-daemon (Show other bugs)
i686 Linux
unspecified Severity low
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Assigned To: Bastien Nocera
Fedora Extras Quality Assurance
Depends On:
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Reported: 2011-04-10 09:27 EDT by Indro
Modified: 2012-08-07 11:12 EDT (History)
10 users (show)

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Fixed In Version:
Doc Type: Bug Fix
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Last Closed: 2012-08-07 11:12:17 EDT
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RHEL 7.3 requirements from Atomic Host:
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Description Indro 2011-04-10 09:27:02 EDT
Description of problem:
The Display Brightness is not remembered across a reboot.

Version-Release number of selected component (if applicable):

How reproducible:

Steps to Reproduce:
In Gnome-Failsafe Mode::

1. Set Brightness level using System Settings->Screen->Brightness.
2. Reboot
3. The Brightness level is turned to Maximum instead of the one set on previous reboot.
Actual results:
The Brightness level is turned to Maximum instead of the one set on previous reboot.

Expected results:
The Brightness level set during previous reboot should be remembered.

Additional info:
Running Gnome in Failsafe Mode.
Comment 1 collura 2011-05-27 15:46:13 EDT
maybe this is a general gnome-settings-daemon issue?

have forgetful brightness but i also get forgetful wifi autoconnect and gdesklet resize property forget and wacom tablet gnome-settings-daemon plugin-errors as well.

gnome-settings-daemon-3.0.1-4.f15 (x86_64)
Comment 2 thunderingexile 2011-06-08 15:40:20 EDT

I have exactly the same problem, brightness reset to 100% everytime I log into my session. Fedora 15 x86_64
Comment 3 JP 2011-06-13 08:49:39 EDT
gnome-power-manager reads the brightness settings from:

backlight-enable = /apps/gnome-power-manager/backlight/enable
brightness-dim-battery =
brightness-ac = /apps/gnome-power-manager/backlight/brightness_ac

brightness values can be checked via:
gsettings get org.gnome.power-manager brightness-ac

and changed via:
gsettings set org.gnome.power-manager brightness-ac [0.0000 - 1.0000]

This change persists. I no longer have this issue on Gnome3/GDM
Comment 4 collura 2011-10-24 04:04:36 EDT
settings screen problem still there with fc16-gnome-beta it seems.

thought it got fixed in fc15-gnome at some point 
but maybe i just gave in and ran the dconf editor to change the brightness-ac variable at some point...

however as of fc16-gnome-beta dconf-editor settings seem to be ignored and that variable seems to have no effect 

so maybe i lost track of how we setting variables again but it looks like am back to using the slider at each boot to set brightness lol.
Comment 5 collura 2011-11-27 00:47:00 EST
status if coffee serves me right is

  f15-gnome-updates_repo:  brightness works but forgetful 
                           (thought it remembered at somepoint?)
  f16-gnome-update_repo: brightness stuck at max, 
                         not effected by 'settings-screen-brightness' slider
                         (had worked at one point https://bugzilla.redhat.com/show_bug.cgi?id=753967#c2) 

  f16-gnome-updates_testing_repo: brightness works again (yay) 
                                  but still forgetful

lol so close. :')
Comment 6 Daniel Rindt 2012-07-12 03:14:59 EDT
I have exactly the same problem on f17. On my system the settings for bluetooth, brightness and behavior when battery powered are lost after a reboot. The mentioned key brightness-ac to set manually is not existing. Only the sound level is the same i set after a reboot.
Comment 7 Rob Crowther 2012-07-20 21:28:50 EDT
In F17 there doesn't seem to be any such key as gnome-power-manager.  There is a key power-manager but it has none of the properties mentioned in comment 6.
Comment 8 Fedora End Of Life 2012-08-07 11:12:20 EDT
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