Unfortunately the latest kernel (4.4.0-28-generic) has not fixed the issue on my machine.
Kubuntu 16.04 (64-bit) Qt: 5.5.1 KDE Frameworks: 5.18.0 Kernel: 4.4.0-28-generic Hardware: Lenovo Ideapad Y580 -- 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