lp:~robert-ancell/unity-greeter/shutdown-session-warning contains a proposed solution for this in the greeter. Screenshots to follow.
-- You received this bug notification because you are a member of Desktop Packages, which is subscribed to unity-greeter in Ubuntu. https://bugs.launchpad.net/bugs/1281058 Title: The system shutdowns when multiple accounts are open Status in Ayatana Design: New Status in OEM Priority Project: New Status in “indicator-session” package in Ubuntu: Triaged Status in “systemd” package in Ubuntu: Triaged Status in “unity” package in Ubuntu: Triaged Status in “unity-greeter” package in Ubuntu: Triaged Bug description: Steps to reproduce: 1) Create a second account in the system 2) While the first account is open, open a session with the second one 3) Try to shutdown the system Expected results: The system logs out instead of shutting down (ideally with a warning on why it did that) Actual results: The system shutdowns and unsaved data on session1 is lost ProblemType: Bug DistroRelease: Ubuntu 14.04 Package: unity 7.1.2+14.04.20131106.1-0ubuntu4 ProcVersionSignature: Ubuntu 3.13.0-8.28-generic 3.13.2 Uname: Linux 3.13.0-8-generic x86_64 ApportVersion: 2.13.2-0ubuntu2 Architecture: amd64 CompizPlugins: No value set for `/apps/compiz-1/general/screen0/options/active_plugins' CurrentDesktop: Unity Date: Mon Feb 17 11:49:48 2014 InstallationDate: Installed on 2013-06-17 (244 days ago) InstallationMedia: Ubuntu 13.04 "Raring Ringtail" - Release amd64 (20130424) SourcePackage: unity UpgradeStatus: Upgraded to trusty on 2014-01-20 (27 days ago) To manage notifications about this bug go to: https://bugs.launchpad.net/ayatana-design/+bug/1281058/+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