[Bug 33214] Re: gnome-screensaver restores default color-correction settings

[Martin Andersen]

Confirmed here too with CRT monitor. Whether I set Gamma with xgamma in
the terminal or use the nVidia control, once the gnome screensaver kicks
in, it resets it to the default (1), even though xgamma still reflects
the values I set. If I open the nvidia control again, or retype the
xgamma, the correct gamma is set once again.

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gnome-screensaver restores default color-correction settings
https://launchpad.net/bugs/33214