This also happens on yakkety (well, its same version). In both cases it requires the 'Lock screen when system is going to sleep' option to be set.
** Tags added: xenial yakkety -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1623385 Title: Suspend on lid close can not be configured individually for battery/AC To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/xfce4-power-manager/+bug/1623385/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs