Comment 0 for bug 1041621

type=1400 audit(1345917432.434:29): apparmor="DENIED" operation="open" parent=2579 profile="/usr/lib/firefox/firefox{,*[^s][^h]}" name="/etc/opensc/opensc.conf" pid=2627 comm="plugin-containe" requested_mask="r" denied_mask="r"
                  fsuid=1000 ouid=0

You get this when the OpenSC module is loaded in firefox.

I don't know if this should be added to the default firefox apparmor config.