[Ubuntu 9.10] reduce the backlight brightness when on battery power is not working

Bug #484715 reported by e X t 7 3
This bug affects 4 people
Affects Status Importance Assigned to Milestone
gnome-power-manager (Ubuntu)

Bug Description

Binary package hint: gnome-power-manager

I`ve Lenovo s10, under Ubuntu 9.04 everything works great, but under 9.10 there is not reduce backlight brightness when I`m working on battery power and I can`t change brightness level with gnome-power-manager !

Revision history for this message
RodGer (rodger) wrote :

I can confirm this. It seems like there is no access to the display brightness information due to a lack of suitable driver. I believe it is a hardware specific problem as there is no such problem on my girlfriend's laptop (as I can remember right now). On my laptop there is also an other instance of the same problem: the panel applet named 'Power Manager Brightness Applet 2.28.1' appears with a red prohibitive sign and when I mouse over it, it says 'cannot get laptop panel brightness'.

Changed in gnome-power-manager (Ubuntu):
status: New → Confirmed
Revision history for this message
RodGer (rodger) wrote :

ext73 can you please try to put on your panel the 'Power Manager Brightness Applet' and check if you can change the brightness using it?

I just saw a new notification in my notification area that seems to be relevant.Right clicking or just clicking does nothing.When I mouse over it a message appears :
""Session active, not inhibited, screen idle. If you can see this text, your display server is broken and yoy should notify your distributor.
Please see http://blogs.gnome.org/hughsie/2009/08/17/gnome-power-manager-and-blanking-removal-of-bodges/ for more information""

Revision history for this message
e X t 7 3 (ext73) wrote :

Hi RodGer ... I`ve tested this one 'Power Manager Brightness Applet' and icon have a "no pass" sign, of course I can't change anything !

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da-anda (fx-koch) wrote :

Same issue on HP Compaq nc6120 with Ubuntu 9.10.

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sreenath (tacticiankerala) wrote :

same issue on my dell studio 15 with ubuntu 9.10

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