I'm wondering if all these bugs about "Display Power Save only blanks, but does not turn off", reported here and elsewhere, aren't actually caused by something other than Mutter. Something that is at a lower level.
Please excuse me, this is all copy and paste, just old stories from various sources... Just trying to rebuilt the puzzle: https://gitlab.gnome.org/GNOME/mutter/-/issues/1607#note_2397038 -- You received this bug notification because you are a member of Desktop Packages, which is subscribed to gnome-settings-daemon in Ubuntu. https://bugs.launchpad.net/bugs/1971434 Title: Display powersave only blanks, but does not turn off Status in Mutter: New Status in gnome-settings-daemon package in Ubuntu: Triaged Status in mutter package in Ubuntu: Triaged Bug description: [ Impact ] On some machines when the screen blanks, the LCD backlight stays on. [ Workarounds (reported to work by some people) ] * Configure the monitor (in its own menus) to not auto-switch inputs. * Change from HDMI to DisplayPort cables. * Disable HDMI audio output. [ Test Plan ] 0. Make sure you're using an LCD (not OLED) so you can see if the backlight is on. 1. In Settings -> Power -> Screen Blank, set the inactivity period to 1 minute. 2. Verify after 1 minute that the screen is blank and the backlight is also visibly off. [ Where problems could occur ] [ Other Info ] To manage notifications about this bug go to: https://bugs.launchpad.net/mutter/+bug/1971434/+subscriptions -- Mailing list: https://launchpad.net/~desktop-packages Post to : desktop-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~desktop-packages More help : https://help.launchpad.net/ListHelp
