I often experience this problem with 15.04 and now with 15.10 too. When I open the lid of the laptop, it wakes up from suspend, and it should show me the (un)lock screen -- according to my settings. But it shows my desktop with all open windows for a moment before showing lock screen.
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1335835 Title: Sometime, Beforce 5 seconds that unity lock screen appeared, user sessions screen was visbled To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/unity-settings-daemon/+bug/1335835/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs