** Changed in: xserver-xorg-video-intel (Ubuntu)
Status: Incomplete = Fix Released
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laptop backlight is turning off
https://bugs.launchpad.net/bugs/247315
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after upgrading to Ubuntu 8.10 and working with driver version 2.4.1
solves the problem definitely.
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laptop backlight is turning off
https://bugs.launchpad.net/bugs/247315
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** Tags added: 945gm backlight intel xorg
** Tags removed: i945 ubuntu xorg-xserver-video-i810 xorg-xserver-video-
intel
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laptop backlight is turning off
https://bugs.launchpad.net/bugs/247315
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whee!'
i'm after another round of installing and updating, here i attach
another diff from last install.
the backlight works again.
** Attachment added: change.txt
http://launchpadlibrarian.net/18362697/change.txt
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laptop backlight is turning off
https://bugs.launchpad.net/bugs/247315
another info that the bug-fixers might be interested in...
i don't know how (probably i installed a package needed to compile torcs
- maybe xf86... something), but last week the backlight was not turning
off.
BUT, after a upgrade, the problem came back!
here is the diff of the list of installed
** Tags added: valid-xorg-conf
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laptop backlight is turning off
https://bugs.launchpad.net/bugs/247315
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anything new on this issue?
the problem kinda starts irritating me, especially when previewing
videos from holiday :)
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laptop backlight is turning off
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interesting is, that when i view the videos with totem movie player, the
brightness level stays the same. but when viewing with mplayer, the
brightness level jumps up and down.
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laptop backlight is turning off
https://bugs.launchpad.net/bugs/247315
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the output of the command is attached.
removing the module resulted in ERROR: no such module in /proc/modules
** Attachment added: output of the comand
http://launchpadlibrarian.net/16380901/backlight.txt
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laptop backlight is turning off
https://bugs.launchpad.net/bugs/247315
You received
According to your Xorg.0.log -intel driver has found a backlight control. Could
you please post the output of ls -l /sys/class/backlight/acpi_video0.
You could also try to remove the backlight module. Change to console (ctrl +
alt + f1) while gdm is running and remove the module with rmmod
i followed your instructions, but it did not solve the problem.
attached you can find the generated xorg.conf with the extra Option
ForceEnablePipeA true line.
what i noticed in xorg.0.log is this:
(II) intel(0): Output configuration:
(II) intel(0): Pipe A is on
(II) intel(0): Display plane
Then it doesn't seem to be a Pipe-A problem. You can remove this option.
You could also try a new driver. There is an unofficial package
http://people.ubuntu.com/~bryce/Testing/intel/hardy-i386/xserver-xorg-
video-intel_2.3.1-1ubuntu1~bwh3_i386.deb (AMD64
thanks, i'll try out the new driver, and attach the log later.
for now, i can attach current xorg.0.log and xorg.conf after dpkg-
reconfigure.
as i am looking at the log file, would it be possible that the problem
is caused by the driver using Output VGA as the primary device, and
hence the LCD
** Attachment added: xorg.conf
http://launchpadlibrarian.net/16166712/xorg.conf
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laptop backlight is turning off
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i tried the new driver, but i could see no difference.
i am attaching the xorg.0.log and xorg.conf after another
reconfiguration of xserver-xorg
** Attachment added: xorg.0.log using intel driver from the link (2.3.1)
http://launchpadlibrarian.net/16166694/Xorg.0.log
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laptop backlight is
Your issue might be a Pipe A problem.
The fix for this issue is to quirk your card to force enabling Pipe A. Please
regenerate your xorg.conf with the command sudo dpkg-reconfigure
xserver-xorg by confirming every question with enter. Afterwards try setting
the option Option ForceEnablePipeA
** Attachment added: xorg.conf.eidam
http://launchpadlibrarian.net/15936190/xorg.conf.eidam
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** Attachment added: xorg.conf.eidam.dual
http://launchpadlibrarian.net/15936199/xorg.conf.eidam.dual
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laptop backlight is turning off
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[Bug 247315] Re: laptop backlight is turning off
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