The linked branch (lp:~robert-ancell/lightdm/dont-scan-all-users) should fix the problem. I'm tidying it up with tests and then will backport to 1.10.
-- You received this bug notification because you are a member of Desktop Packages, which is subscribed to lightdm in Ubuntu. https://bugs.launchpad.net/bugs/1370852 Title: Scans all user accounts when not required Status in Light Display Manager: Triaged Status in Light Display Manager 1.10 series: Triaged Status in “lightdm” package in Ubuntu: Triaged Status in “lightdm” source package in Trusty: Triaged Status in “lightdm” source package in Utopic: Triaged Bug description: On startup LightDM gets the list of users in the shared data code. This causes all the user properties to be loaded, in the case of not using accounts service all the .dmrc files are accessed. To manage notifications about this bug go to: https://bugs.launchpad.net/lightdm/+bug/1370852/+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