i guess since killing and restarting gnome-settings-daemon makes it work again until the fn + display keys are used again, that the package should be gnome-settings-daemon
** Package changed: ubuntu => gnome-settings-daemon (Ubuntu) -- You received this bug notification because you are a member of Ubuntu Desktop Bugs, which is subscribed to gnome-settings-daemon in Ubuntu. https://bugs.launchpad.net/bugs/991858 Title: volume keys stop working after brightness keys are used To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/gnome-settings-daemon/+bug/991858/+subscriptions -- desktop-bugs mailing list desktop-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/desktop-bugs