This was probably an upgrade issue at the time. It is certainly not reproducible now. Was logind being correctly restarted on package upgrade?
-- You received this bug notification because you are a member of Ubuntu Touch seeded packages, which is subscribed to systemd in Ubuntu. https://bugs.launchpad.net/bugs/1291454 Title: spontaneously logged out of lightdm session, authentication failed until logind restarted Status in “systemd” package in Ubuntu: Incomplete Bug description: Out of nowhere, I was suddenly logged out of my X session today and dropped to a lightdm greeter screen. attempts to log back in were kicked immediately back to the greeter. A look at the lightdm log showed: [+7.44s] DEBUG: Seat: Display server ready, starting session authentication [+7.44s] DEBUG: Session pid=22931: Started with service 'lightdm-greeter', username 'lightdm' [+7.55s] DEBUG: Session pid=22931: Authentication complete with return value 0: Success [+7.55s] DEBUG: Seat: Session authenticated, running command [+7.55s] DEBUG: Session pid=22931: Running command /usr/lib/lightdm/lightdm-greeter-session /usr/sbin/unity-greeter [+7.55s] DEBUG: Session pid=22931: Logging to /var/log/lightdm/x-0-greeter.log [+7.60s] DEBUG: Activating VT 7 [+7.77s] DEBUG: Session pid=22931: Greeter connected version=1.9.8 [+7.96s] DEBUG: Session pid=22931: Greeter start authentication for vorlon [+7.96s] DEBUG: Session pid=23002: Started with service 'lightdm', username 'vorlon' [+7.96s] DEBUG: Session pid=22931: Greeter start authentication for vorlon [+7.96s] DEBUG: Session pid=23002: Sending SIGTERM [+7.97s] DEBUG: Session pid=23004: Started with service 'lightdm', username 'vorlon' [+7.97s] DEBUG: Session pid=23002: Terminated with signal 15 [+7.97s] DEBUG: Session: Failed during authentication [+7.97s] DEBUG: Seat: Session stopped (you'll note from the timestamps that I had also tried restarting lightdm, which didn't fix the problem.) Only after I manually killed logind and restarted lightdm again was I able to log in. ProblemType: Bug DistroRelease: Ubuntu 14.04 Package: systemd-services 204-5ubuntu13 ProcVersionSignature: Ubuntu 3.13.0-12.32-generic 3.13.4 Uname: Linux 3.13.0-12-generic x86_64 ApportVersion: 2.13.3-0ubuntu1 Architecture: amd64 CurrentDesktop: Unity Date: Wed Mar 12 08:39:20 2014 InstallationDate: Installed on 2010-09-24 (1265 days ago) InstallationMedia: Ubuntu 10.04.1 LTS "Lucid Lynx" - Release amd64 (20100816.1) SourcePackage: systemd UpgradeStatus: Upgraded to trusty on 2013-10-23 (140 days ago) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/systemd/+bug/1291454/+subscriptions -- Mailing list: https://launchpad.net/~touch-packages Post to : touch-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~touch-packages More help : https://help.launchpad.net/ListHelp
