Thank you for your bug report. Did you modify /etc/pam.d/common-session or use systemd? seems a bit similar to bug #1313726
** Package changed: lightdm (Ubuntu) => unity-greeter (Ubuntu) -- 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/1321454 Title: No buttons in shut down menu on login page Status in “unity-greeter” package in Ubuntu: New Bug description: I recently upgraded to Ubuntu 14.04 from 13.10, and when I am logged in the shut down dialog box has the correct buttons that you can click - but from the login screen, there are no buttons to click. Screenshot: http://i.stack.imgur.com/WhBt0.jpg lightdm version 1.10.0-0ubuntu3 Ubuntu 14.04 LTS --- ApportVersion: 2.14.1-0ubuntu3 Architecture: amd64 DistroRelease: Ubuntu 14.04 LightdmConfig: [SeatDefaults] greeter-session=unity-greeter allow-guest=false greeter-hide-users=true user-session=ubuntu NonfreeKernelModules: openafs nvidia Package: lightdm 1.10.0-0ubuntu3 PackageArchitecture: amd64 ProcEnviron: LANGUAGE=en_NZ:en TERM=xterm PATH=(custom, no user) LANG=en_NZ.UTF-8 SHELL=/bin/bash ProcVersionSignature: Ubuntu 3.13.0-24.46-generic 3.13.9 Tags: trusty Uname: Linux 3.13.0-24-generic x86_64 UpgradeStatus: Upgraded to trusty on 2014-04-29 (20 days ago) UserGroups: remote _MarkForUpload: True mtime.conffile..etc.init.lightdm.conf: 2012-11-16T16:55:33 mtime.conffile..etc.pam.d.lightdm: 2014-05-05T09:38:59 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/unity-greeter/+bug/1321454/+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
