Red Hat Bugzilla – Bug 374691
Screen brightness gets maximum on its own
Last modified: 2009-01-09 02:23:41 EST
Description of problem:
i’m having a strange problem with it on my HP laptop. Whenever i reduce the
brightness of my screen using the hotkeys on my keyboard, after a few seconds
the brightness gets maximum on its own. I never faced this problem in F7. I have
Intel 945 GM express chipset.
Version-Release number of selected component (if applicable):
Steps to Reproduce:
1. Change the screen brightness
2. Wait for a few seconds
3. Or run a video
Screen brightness gets maximum on its own.
Screen brightness should not change on its own.
Thanks for the bug report. We have reviewed the information you have provided
above, and there is some additional information we require that will be helpful
in our diagnosis of this issue.
Please attach your X server config file (/etc/X11/xorg.conf) and X server log
file (/var/log/Xorg.*.log) to the bug report as individual uncompressed file
attachments using the bugzilla file attachment link below.
Could you please also try to run without any /etc/X11/xorg.conf whatsoever and
let X11 autodetect your display and video card? Attach to this bug
/var/log/Xorg.0.log from this attempt as well, please.
We will review this issue again once you've had a chance to attach this information.
Thanks in advance.
Created attachment 256181 [details]
Created attachment 256191 [details]
Xorg.0.log before removing Xorg.conf
Created attachment 256201 [details]
org.0.log.old_before removing xorg.conf
Created attachment 256211 [details]
Xorg.0.log _after removing the xorg.conf
I removed the xorg.conf and then this new log file is created after logging out
and logging in.
Thanks for the response.I have attached the requested files.
I want to mention another point here, the problem also appears when the screen
saver is about to run, when i lock/unlock my session.
We're seeing this on a Dell Latitude D610 with a 915GM running F7. Love to see
My problem is solved by changing the display driver from Intel-Experimental
driver to i810 driver.
Can you try the latest git bits? We've pushed several backlight fixes
recently, including some that sound like they'd fix your problem.
*** Bug 431889 has been marked as a duplicate of this bug. ***
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