The rlm_pam plugin uses that as default configuration file for authentication. I suppose the default should mimic the system authentication stack: (in src_install, inheriting pam eclass) pamd_mimic system-auth radiusd auth account password session
freeradius doesn't install any file in /etc/pam.d. Closed as INVALID.
That is exactly the problem.
fixed in cvs, in all versions.