> > > it was displayed without screen too but cleaned just after.
> > >
>
> Sorry ...
>
> #define	EAFNOSUPPORT	47		/* Address family not supported by protocol family */
>
> in /usr/include/sys/errno.h
>
> Maybe you're trying a talk with an host whose dns lookup returned an ipv6
> adress, and you maybe don't have any ipv6 connectivity with this host.
>
> That is an eventuality, but maybe it's not that ..
>

that's good trace. talk stopped to work when i recompiled kernel , and new
has no IPv6


anyway - i removed all IPv6 stuff from /etc/hosts and DNS.
and talk still doesn't work.