It looks like 'dkms uninstall' is removing the built tree, instead of just removing the files from /lib/modules, leaving the driver in state "added", not the "built" state that shim-signed is expecting. If the manpage is to be believed, this is a bug in dkms.
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1821823 Title: No wireless networks displayed for broadcom BCM43142 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/ubiquity/+bug/1821823/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs