FreeRADIUS 2 not listening on right port

Alan DeKok aland at
Fri May 16 07:49:55 CEST 2008

Michael Griego wrote:
> I did a little looking into this this evening.  This assessment looks to
> be correct as it looks to be related to compiler optimizations.  With
> the optimizations disabled in, FreeRADIUS will start up on the
> correct port.  For the fr_socket function, gcc appears to be optimizing
> the arguments by sending them through the registers instead of the stack
> frame, but the "port" argument is being clobbered ("optimized out")
> before the htons(port) call.  Specifically, according to a step-through
> with GDB, after the first function call in fr_socket (which is to
> socket()), the port variable is gone ("optimized out").

  <sigh>  I've started testing the server with other compilers.  GCC is
getting too ugly for my liking.

  I'll put a note on the main web page.: DON'T USE -O2 ON FEDORA!

  Alan DeKok.

More information about the Freeradius-Users mailing list