gnome-power-manager does not handle dimming of LCD backlighting correctly.

Bug #280948 reported by Rasmus on 2008-10-09
Affects Status Importance Assigned to Milestone
gnome-power-manager (Ubuntu)

Bug Description

When I unplug the power plug from my laptop, gnome-power-manager does not dim the LCD backlight. If I right click the applet and select preferences it suddenly dims it to the correct level. Then when I plug in the power, the LCD backlight is not returned to the original state, but stays at the low level.

I am using the Ubuntu Intrepid Beta on a new Lenovo t500. There was no problem in the alphas.

The package version is 2.24.0-0ubuntu3
and my kernel version is 2.6.27-6-generic

Paul Broadhead (pjbroad) wrote :

Thank you for taking the time to report this bug and helping to make Ubuntu better. This bug did not have a package associated with it, which is important for ensuring that it gets looked at by the proper developers. You can learn more about finding the right package at . I have classified this bug as a bug in gnome-power-manager.
For future reference you might be interested to know that a lot of applications have bug reporting functionality built in to them. This can be accessed via the Report a Problem option in the Help menu for the application with which you are having an issue. You can learn more about this feature at

Pedro Villavicencio (pedro) wrote :

Thanks for taking the time to report this bug and helping to make Ubuntu better. Could you please attach the resulting log file of: &> gpm.log to the report? You might also want to take a look to the Debugging instructions located at for submit any other logs related to your problem.Thanks in advance.

Changed in gnome-power-manager:
status: New → Incomplete

We are closing this bug report because it lacks the information we need to investigate the problem, as described in the previous comments. Please reopen it if you can give us the missing information, and don't hesitate to submit bug reports in the future. To reopen the bug report you can click on the current status, under the Status column, and change the Status back to New. Thanks again!.

Changed in gnome-power-manager:
status: Incomplete → Invalid
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