Indeed, to have the firefox apparmor profile permanently disabled you need to create a symlink to the profile itself in /etc/apparmor.d/disable/.
I wonder what possibly removed that symlink on upgrade. Can you confirm that this started happening right after upgrading to 18.10 ? -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1798999 Title: firefox windows are black in Ubuntu 18.10 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/firefox/+bug/1798999/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
