Same happens now here in ubuntu 18.04.2 LTS. When the system locks, I'm logged out and all applications (programs) stop. This behaviour came after a reboot, so maybe any updated module may be the culprit. It seems that the gnome shell crashes. See attached syslog.
** Attachment added: "Screenshot from 2019-03-17 17-32-07.png" https://bugs.launchpad.net/gnome-shell/+bug/1721428/+attachment/5247073/+files/Screenshot%20from%202019-03-17%2017-32-07.png -- You received this bug notification because you are a member of Desktop Packages, which is subscribed to mutter in Ubuntu. https://bugs.launchpad.net/bugs/1721428 Title: Artful (17.10) Session logout after screen turned off Status in GNOME Shell: Unknown Status in gnome-shell package in Ubuntu: Invalid Status in mutter package in Ubuntu: Invalid Bug description: Whenever I turn off my screen, the computer (a desktop PC) logs me out of my session. Here is a discussion thread with users of similar issue: https://ubuntuforums.org/showthread.php?t=2372388&p=13694312&posted=1#post13694312 To manage notifications about this bug go to: https://bugs.launchpad.net/gnome-shell/+bug/1721428/+subscriptions -- Mailing list: https://launchpad.net/~desktop-packages Post to : [email protected] Unsubscribe : https://launchpad.net/~desktop-packages More help : https://help.launchpad.net/ListHelp
