This appears to be back on 12.04.1 in the pulseaudio-1.1-0ubuntu15.1 package. As far as I can tell, the exact same patch used previously can fix it.
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/295832 Title: Alsa does not honor pcm.!default because of /usr/share/alsa/pulse.conf To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/pulseaudio/+bug/295832/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
