The /etc/rpc file (provided by glibc-2.2.4-5) is missing a line for the new fam(1m) tservice ported from IRIX: sgi_fam 391002 fam I'm not sure if the lack impacts functionality beyond output from `rpcinfo -p`.
This will be in glibc-2.2.4-12.
Fix confirmed with glibc-2.2.5-27.