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.
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...
Laptop's screen should dim
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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Is this bug still on Fedora 15?