Comment 20 for bug 201711

Hi Peter, I agree wholeheartedly with your observations. It is completely crazy to the point where there is actually introduced remedies to the kernel-madness in the Keyboard Preference program (hint: see System->Preferences->Keyboard->Layout->Layout Options->Miscellaneous compatibility options->Swap keycodes of two keys when mac keyboards are misdetected by kernel) !!!

To remove the function key and num lock madness you can add the following line to /etc/modprobe.d/options:
options hid pb_fnmode=0