[Bug 415023] Re: brightness is broken on MSI WIND U100

Mau 415023 at bugs.launchpad.net
Sun Sep 9 09:21:31 UTC 2012


Hi, 
I've an athec lug netbook ("a MSI clone") and also have the blinking brightness problem after upgrade my Ubuntu 10.04 LTS to 12.04 LTS. 
Here you have a workaround that is working fine for me:

sudo chmod u-w /sys/class/backlight/acpi_video0/brightness

And then I can adjust the brightness by keyborad (Fn+...)

Mau

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https://bugs.launchpad.net/bugs/415023

Title:
  brightness is broken on MSI WIND U100

Status in Gnome Powermanager:
  Expired
Status in KDE Base Workspace:
  Invalid
Status in Release Notes for Ubuntu:
  Fix Released
Status in “gnome-settings-daemon” package in Ubuntu:
  New
Status in “hal-info” package in Ubuntu:
  Fix Released
Status in “kdebase-workspace” package in Ubuntu:
  Fix Released
Status in “udev” package in Ubuntu:
  Fix Released
Status in “xfce4-power-manager” package in Ubuntu:
  Invalid
Status in “gnome-settings-daemon” source package in Lucid:
  New
Status in “hal-info” source package in Lucid:
  Fix Released
Status in “kdebase-workspace” source package in Lucid:
  Fix Released
Status in “udev” source package in Lucid:
  Fix Released
Status in “xfce4-power-manager” source package in Lucid:
  Invalid
Status in Fedora:
  New

Bug description:
  Binary package hint: gnome-power-manager

  Versions : karmic up to date (08-17-09) with gnome-power-manager
  version 2.27.5-0ubuntu2

  What should happen : brightness should not flash.

  What happens :

  Brightness changing seems broken on my MSI wind U 100.

  First in GDM it starts flashing for a good 30 seconds and then the
  same problem happened when the Gnome session begins.

  Whenever I try to  manually change the brightness  a bit too fast
  (using the sliders or the keyboard) it start flashing again.

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