Description of problem: If I set screen brightness to less than 100% in power manager settings or using keyboard the brightness always gradually increases to 100% Version-Release number of selected component (if applicable): gnome-power-manager-2.20.0-6.fc8 How reproducible: Always Steps to Reproduce: 1. Set brighness to 0% on battery in power manager settings 2. unplug ac 3. Actual results: Screen dims when ac is unplugged, then gradually reverts to 100% over about a minute Expected results: Screen should dim and stay dim Additional info: Same behavior if I set brightness on ac to 0% and plug in cable. If brightness on ac and battery are both 0% then either action (plugging in or out) dims the screen, but screen gradually reverts to full brightness over next minute. If I reset brightness with the keyboard keys, screen still gradually brightens again. (If I then touch a screen brightness key it reverts directly to dim, rather than stepping gradually). The only way I can have a dim screen is to kill gome-power-manager. I have seen the same bug reported on ubuntu forums.
Workaround??: This has been a consistent problem since upgrading to FC8 over 3 months ago, but the following steps just fixed it for me (Dell D410): 1. In a terminal (as me, not root): > killall gnome-power-manager > gnome-power-manager 2. ctrl-alt-backspace 3. log in again Without the second half of step 1 the problem was always back after killing X, logging out or rebooting, so restarting gnome-power-manager within the existing gnome session appears to be what fixed it. I can't debug this further since the above fix has survived logging out and in and rebooting.
After a suspend/Resume the problem was back again. Killing gnome-power-manager did not help -- screen gradually brightened to full even with gnome-power-manager not running! I've never seen this before. Repeated kill and restart of gnome-power-manager did not help. But this time just restarting X fixed it (it never has before). I don't see any pattern here. For three months one behavior and now something totally different.
Same here, on a Lenovo X60s. As long as g-p-m is running, the screen brightness constantly brighter, in, at least for me, totally random time intervals.
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