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Description of problem: After the latest update I've got behaviour that screen goes blank in a few (~5) seconds of inactivity (no mouse movement and keyboard touching). If I go back from blank screen and wait for another 5 seconds it repeats all over again. This behaviour does not have any relation with the screen lock option found in the system settings. I can turn off screen locking or set to 1 hour, it doesn't do any difference. Killing gnome-screensaver saves me from blank screen, but it is not a cause of the problem. The status indicator of gnome-shell turns to away anyway. Steps to Reproduce: 1. Don't move mouse and don't press any key for five seconds 2. Screen goes blank
Sorry, for a false alarm, it seams that it was not a bug. I've found that org.gnome.desktop.session idle-delay was set to 5, so changed back to 600 and its ok now. But this issue left some questions: why changing screen lock delay in the system settings does not affect idle-delay, which is not configurable in the GUI (at least I was not able to find it), and how it could happen that org.gnome.desktop.session idle-delay was set to 5 seconds?