This bug is missing log files that will aid in diagnosing the problem.
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This change has been made by an automated script, maintained by the
Ubuntu Kernel Team.
** Changed in: linux (Ubuntu)
Status: New => Incomplete
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https://bugs.launchpad.net/bugs/1617686
Title:
Kernel 4.4.0-34 caused Redshift/Flux/brightness-controller etc. to
stop working
Status in linux package in Ubuntu:
Incomplete
Bug description:
As per reported by several users, such as in
https://ubuntuforums.org/showthread.php?t=2333398, apps that control
screen gamma, such as Redshift/Flux/brightness-controller, stopped
working under the newest kernel 4.4.0-34 in Ubuntu 16.04 LTS, and
we're not sure what caused the issue.
Those apps are still working well on external monitors. It's just the
internal monitor that is not responsive. Any setting just simply has
no effect.
It seems that all the users are using Skylake-based laptop.
In my case, my laptop is on Skylake and GTX980M.
Links for the individual apps mentioned above:
- Redshift http://jonls.dk/redshift/
- Flux https://justgetflux.com/linux.html
- brightness-controller
https://apps.ubuntu.com/cat/applications/brightness-controller/
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