Submission + - systemd starts killing your background processes by default (blog.fefe.de) 1
nautsch writes: systemd changed a default value in logind.conf to "yes", which will kill all your processes, when you log out. And as always: It's not a bug, it's a feature. Translated from the german source: "Bug of the day: systemd kills background processes on logout". There is already a bug-report over at debian: Debian bug tracker (link also from the source)