Having this same issue with building a custom ubuntu iso and pulling in kernel package 5.6-oem. Seems package broadcom-sta-dkms has support for 5.6 so I'm going to give that a try.
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1869860 Title: Ubuntu mainline kernel v5.6 not supported by bcmwl-kernel-source To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/bcmwl/+bug/1869860/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs