I can report the same, Dell xps 13- 9343 running Ubuntu 16.04 with kernel 4.4.0-24 as well as 4.4.0-22.
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1572659 Title: bcmwl driver does not work with kernel 4.4.0-21 when secure boot enabled To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/bcmwl/+bug/1572659/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs