I checked on my desktop PC as well which has the login lag and systemd- analyze blame gave me these top 10 with the same first candidate:
7.851s NetworkManager-wait-online.service 303ms apt-daily.service 239ms dev-sda2.device 223ms upower.service 214ms systemd-fsck@dev-disk-by\x2duuid-d697538e\x2d78ed\x2d48f4\x2da3c2\x2d30b660f072ff.service 169ms media-archer.mount 88ms networking.service 88ms systemd-udev-trigger.service 80ms grub-common.service 71ms ModemManager.service -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1584604 Title: Slow login to kde5 waiting on networkmanager To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/plasma-nm/+bug/1584604/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs