> > kmemcpy:read: Bad address
> >
> > and then core dump.
> >
> >
> > what's wrong?
>
> It looks like something is still not up to date. Did you install new
> includes before upgrading ipf/ipnat ?

i compiled whole /usr/src/usr.sbin/ipf directory on my home machine, then
copied all binaries to target machine.

my home machine is completely 1.5.3 after downgrade from 1.6B4

on my home machine these utils works fine!