Red Hat Bugzilla – Bug 865468
Screen is blanked regardles the settings
Last modified: 2014-02-05 07:33:00 EST
Description of problem:
The blank screen feature seems to be ignoring the manual settings set in the gnome-control-center.
Version-Release number of selected component (if applicable):
Steps to Reproduce:
1. in gnome-control-center set brightness to max, disable Dim screen option, set Turn off when inactive to 1 hour
2. leave the laptop idle for 15 minutes
after about 9 minutes the screen is set blank
screen is on and with max backlight
I observe the same here on F18.
I use Xfce4 desktop (not Gnome).
xfce4-power-manager is installed, all display-related power saving and blanking/dimming is totally disabled in "Setting->Power Manager".
Evidently, "xset s 600" is in effect: after 10 minuter, screen blanks via DMPS (external display reports "No signal").
If I run "xset s 660", screen blanks after 11 minutes.
If I run "xset s off", screen never blanks.
Possible dup: bug 917399
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