Nisheet Lall, this bug was reported a while ago and there hasn't been
any activity in it recently. We were wondering if this is still an
issue? If so, could you please test for this with the latest development
release of Ubuntu? ISO images are available from
I am affected by this too after upgrading to 13.10. It worked fine in
12.10 and 13.04.
Using function keys I get an OSD showing brightness level
increasing/decreasing, but screen brightness does not change.
This is on an Lenovo laptop running upgradet 13.10 with Intel Graphics
using i915.
Hi Sukarn,
I tried and its working perfectly fine, are the controls broken. I
suspect the control might not be calling the intel_brightness command.
Its a noob statement but just a guess
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I am facing this bug on 13.10 with an intel graphics card and nVidia
Optimus chip. Brightness controls were fine before upgrading from 13.04
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Update -
# ls /sys/class/backlight has three listings
acpi_video0 acpi_video1 intel_backlight
# cat /sys/class/backlight/intel_backlight/max_brightness
976
# echo 100 /sys/class/backlight/intel_backlight/brightness
bash:
Hi! Have you also installed mir/xmir?
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https://bugs.launchpad.net/bugs/1207487
Title:
Brightness Controls work but brightness doesnt change
To manage
** Package changed: xorg (Ubuntu) = xserver-xorg-video-intel (Ubuntu)
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which is subscribed to xserver-xorg-video-intel in Ubuntu.
https://bugs.launchpad.net/bugs/1207487
Title:
Brightness Controls work but brightness
Status changed to 'Confirmed' because the bug affects multiple users.
** Changed in: xorg (Ubuntu)
Status: New = Confirmed
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https://bugs.launchpad.net/bugs/1207487
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