It seems it get set to false every time NetNameResolver initializeNetwork
is sent if the primitive NetNameResolver primHostNameSize does not fail.

It should honor the preference, not the primitive.

Karl


On Tue, Dec 18, 2012 at 6:10 PM, David T. Lewis <lewis at mail.msen.com> wrote:

> On Tue, Dec 18, 2012 at 01:43:38PM +0000, Frank Shearar wrote:
> > On 18 December 2012 01:58, David T. Lewis <lewis at mail.msen.com> wrote:
> > > On Mon, Dec 17, 2012 at 01:15:12PM -0500, David T. Lewis wrote:
> > >> On Mon, Dec 17, 2012 at 02:59:23PM +0000, Frank Shearar wrote:
> > >> > On 17 December 2012 14:12, David T. Lewis <lewis at mail.msen.com>
> wrote:
> > >> > >
> > >> > > Setting useOldNetwork to true will cause IPv6 support to be
> disabled. Too
> > >> > > many double negatives I suppose ;)
> > >> >
> > >> > That makes sense, but I'm still confused, because both my little
> > >> > release script and ReleaseBuilder-fbs.85 set useOldNetwork to true.
> > >> >
> > >> > But NetNameResolver class >> #initiaize has "Smalltalk
> > >> > addToStartUpList: self", so could actually set useOldNetwork BACK to
> > >> > false even though the image was saved with value true?
> > >>
> > >> Yes that might be what is happening. And/or it may be that the
> preference
> > >> needs to be initialized. I am away now but will try to have a look at
> it
> > >> again later today.
> > >
> > > Frank, I really have to apologize - I gave you a bunch of wrong
> information.
> > >
> > > You were correct all along to do "NetNameResolver enableIPv6: false".
> This
> > > sets the current value of the pragma preference for "Enable IPv6 and
> new
> > > network support". So setting this to false in ReleaseBuilder is the
> right
> > > thing to do.
> > >
> > > Contrary to what I said earlier, setting "NetNameResolver
> useOldNetwork: true"
> > > does *not* disable IPv6 permanently. It is a temporary flag that will
> be
> > > reset at image startup time based on the setting of the enableIPv6
> preference,
> > > and also based on whether the VM provides the new IPv6 primitives,
> which
> > > is checked at image startup time.
> > >
> > > I do not see anywhere that NetNameResolver class>>initialize would be
> > > sent in normal use, so I do not think that is the problem.
> > >
> > > Bottom line: If you can do "NetNameResolver enableIPv6: false" prior to
> > > saving the image, this *should* set the preference correctly and it
> *should*
> > > cause the image to be restarted in the correct state regardless of VM.
> > >
> > > I really apologize for the (my) confusion. Next time you publish the
> > > release candidate, please do the "NetNameResolver enableIPv6: false"
> > > exactly as you had originally intended, and let's see if it comes out
> > > right this time around.
> >
> > Thanks for everything, Dave. I've released a new version at
> > http://ftp.squeak.org/4.4/Squeak4.4-RC3.tgz so let's see how that one
> > works.
>
> The preferences are set correctly now. But I took a quick look this morning
> and I think I saw a case where the useOldNetwork flag got set back to
> false,
> so I am afraid that there must be a bug in the initialization somewhere
> just
> as you and St?phane had suggested earlier. I can't see where the problem is
> happening, but something is not right. I'll try to take a better look at it
> later today or tomorrow.
>
> :-/
>
> Dave
>
>
>
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