Description of problem: Because Samsung laptops are relatively new, they do not have drivers that support the control of screen brightness. Therefore, screen brightness stays at %100 all the time. Version-Release number of selected component (if applicable): Laptop used in scenario is a Samsung Q430-11, but problem appears to be Samsung laptop universal. How reproducible: Constant. Once laptop is booted up the problem is already active. Steps to Reproduce: 1. Turn on laptop and login 2. Use toggles or any other option to try and reduce screen brightness 3. No response... Actual results: %100 brightness Expected results: Laptop's screen should dim Additional info: Problem seems to affect all Samsung laptops. Although I have heard stories of people fixing the problem by adjusting one of the core power options. Not sure how...
I believe this is a udev bug. The keymap does not include the brightness up/down keys...
That's what I thought at first, but even alternative brightness controls don't have any affect. Such as the screenbrightness applet or screenlet. Even the brightness control in the power options is unusable. So, udev might be part of the problem but it's not the source.
I can confirm the bug on Fedora 14
Actually, the problem has gotten worse since Fedora 14. Now, not only do the brightness controls not work, but Fedora actually locks up. Making it so that the brightness icon keeps flashing on the screen and the keyboard stops working. At this point I can no longer use the taskbar either... I'm starting to think this is also a bug in the udev's loop.
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Fedora 13 changed to end-of-life (EOL) status on 2011-06-25. Fedora 13 is no longer maintained, which means that it will not receive any further security or bug fix updates. As a result we are closing this bug. If you can reproduce this bug against a currently maintained version of Fedora please feel free to reopen this bug against that version. Thank you for reporting this bug and we are sorry it could not be fixed.
Is this bug still on Fedora 15?