I'm also using Unity. The problem seems a little bit random and I couldn't identify nothing in the logs that justified it...
My GPU is an intel combined with a Nvidia 310m... I blacklisted nouveau at first, but the problem still happens... I'm also not using nvidia closed source driver... -- You received this bug notification because you are a member of Ubuntu Desktop Bugs, which is subscribed to gnome-screensaver in Ubuntu. https://bugs.launchpad.net/bugs/777712 Title: password dialog doesn't appear when screensaver ends -- desktop-bugs mailing list desktop-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/desktop-bugs