I have a Dell Latitude E7450 here and can confirm the problem. As soon as I try to activate both monitors over the docking station I end up in a kernel panic. When I go back to to 4.4.0-72-generic all works as expected.
NAME="Ubuntu" VERSION="16.04.2 LTS (Xenial Xerus)" Let me know if you need more information. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1686788 Title: External displays disabled after login - regression in 4.4.0-72.93 -> 4.4.0-75.96 update To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1686788/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs