> I Even recompiled the talk daemon and the talk program from latest current
> source but IT DOES NOT WORK. 

Did you also rebuild the libraries that talkd depends on?

> Aug  4 15:56:09 mariah talkd[9784]: sendto: Address family not supported
> by protocol family
> 
> 
> So I think it is not a problem of
> sycronization between the kernel version and the user land programs, it is
> a problem itself of the 1.5C kernel I think.