Eugene Crosser <1245...@bugs.launchpad.net> writes:

> I've found something that may be useful both for diagnosis and as a
> workaround.
>
> If you define a "display-setu-script" in the lightdm configuration, like
> this:
>
> [SeatDefaults]
> display-setup-script=/path/to/display-setup.sh
>
> and put this command in the "display-setup.sh":
>
> xset dpms 120 125 130

I tried this myself a while back and noticed the same thing: something
resets X server DPMS settings after the xset command has executed. Has
any Ubuntu representative considered the possibility that this bug may
cause burn-in-problems for displays over a longer period ? Not to
mention the obvious power waste.

I will be applying your delayed xset work-around script, thanks for that
idea.


Øyvind

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https://bugs.launchpad.net/bugs/1245474

Title:
  [regression] on login screen, monitor stays on forever

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