_Originally created by @intrigeri on [#12092 (Redmine)](https://public-redmine-archive.tails.boum.org/code/issues/12092)_ The test suite started failing on feature/stretch in Jenkins (tails/sysadmin#12088) once we’ve merged the new Greeter in there. I’ve noticed that a full GNOME session is kept running as the `Debian-gdm` user once one has logged in. This seems like a big waste of memory. Can we somehow free that RAM, to keep supporting older hardware? As part of this, revert 895387ece8cec86831cd617ee08dbdfc49cdc144. Feature Branch: bugfix/12092-kill-gdm-session-after-login+force-all-tests ### Related issues - **Related to** tails/sysadmin#12088 - **Related to** tails/tails#16305 - **Related to** tails/tails#17011 - **Has duplicate** tails/tails#12999 - **Blocks** tails/tails#16281