X-Recipient: archive-cygwin AT delorie DOT com
DomainKey-Signature: a=rsa-sha1; c=nofws; d=sourceware.org; h=list-id
	:list-unsubscribe:list-subscribe:list-archive:list-post
	:list-help:sender:date:from:to:subject:message-id:reply-to
	:references:mime-version:content-type:in-reply-to; q=dns; s=
	default; b=n4qMSu9uMZty3cITjoOQEaO1VR1rSTSpUDb2TUkJGr9+ISejZJGp5
	M34RRgQ02XJMIzYcZJfAPvJs8G3bNovArM6aQ7PKDeQKGMuDCAOjA/uyShFhHe+0
	84lgOPVlVZ05VJw8KbM1haVYC0WcCbxAUCRZw53+LJ9QuInGZVko4s=
DKIM-Signature: v=1; a=rsa-sha1; c=relaxed; d=sourceware.org; h=list-id
	:list-unsubscribe:list-subscribe:list-archive:list-post
	:list-help:sender:date:from:to:subject:message-id:reply-to
	:references:mime-version:content-type:in-reply-to; s=default;
	 bh=pblZFgitAQE0MvuVtsGFQuESTkA=; b=NB7qzqn9vsmpNBYRI4jmhm1q34uo
	xSG00WfRYmEO04VG6dpl5+YiKCFeZPlV771gQc+ximmqdGnNzK1VTIUQEGfsB8Xy
	2HeKWz0PqQJ6Ub8fKggyiZG/fkwWWY4jNOcHYrNZ397PCjH512gqBrhull+f+a6Q
	GP+/pXqzgh0W7ig=
Mailing-List: contact cygwin-help AT cygwin DOT com; run by ezmlm
List-Id: <cygwin.cygwin.com>
List-Subscribe: <mailto:cygwin-subscribe AT cygwin DOT com>
List-Archive: <http://sourceware.org/ml/cygwin/>
List-Post: <mailto:cygwin AT cygwin DOT com>
List-Help: <mailto:cygwin-help AT cygwin DOT com>, <http://sourceware.org/ml/#faqs>
Sender: cygwin-owner AT cygwin DOT com
Mail-Followup-To: cygwin AT cygwin DOT com
Delivered-To: mailing list cygwin AT cygwin DOT com
Authentication-Results: sourceware.org; auth=none
X-Virus-Found: No
X-Spam-SWARE-Status: No, score=-93.3 required=5.0 tests=AWL,BAYES_05,KAM_LAZY_DOMAIN_SECURITY,KHOP_DYNAMIC,RCVD_IN_BRBL_LASTEXT,RCVD_IN_PBL,RDNS_DYNAMIC,USER_IN_WHITELIST autolearn=no version=3.3.2 spammy=Hx-languages-length:1286, H*r:sk:calimer, Hx-spam-relays-external:sk:calimer, HX-HELO:sk:calimer
X-HELO: calimero.vinschen.de
Date: Wed, 13 Jan 2016 12:02:43 +0100
From: Corinna Vinschen <corinna-cygwin AT cygwin DOT com>
To: cygwin AT cygwin DOT com
Subject: Re: getaddrinfo fails with EAI_NODATA for some valid hosts with A records
Message-ID: <20160113110243.GB16198@calimero.vinschen.de>
Reply-To: cygwin AT cygwin DOT com
Mail-Followup-To: cygwin AT cygwin DOT com
References: <loom DOT 20160107T163448-78 AT post DOT gmane DOT org> <20160108111408 DOT GH20447 AT calimero DOT vinschen DOT de> <loom DOT 20160113T042110-649 AT post DOT gmane DOT org>
MIME-Version: 1.0
Content-Type: multipart/signed; micalg=pgp-sha256;	protocol="application/pgp-signature"; boundary="gatW/ieO32f1wygP"
Content-Disposition: inline
In-Reply-To: <loom.20160113T042110-649@post.gmane.org>
User-Agent: Mutt/1.5.24 (2015-08-30)

--gatW/ieO32f1wygP
Content-Type: text/plain; charset=utf-8
Content-Disposition: inline
Content-Transfer-Encoding: quoted-printable

On Jan 13 08:14, Brian Inglis wrote:
> Corinna Vinschen <corinna-cygwin <at> cygwin.com> writes:
> > On Jan  7 15:39, Brian Inglis wrote:
> >> getaddrinfo fails with err 7 EAI_NODATA for some valid hosts with A re=
cords.=20
> >> Err 7 EAI_NODATA is mapped from WSANO_DATA err 11004 in Windows.
> >> Can anyone reproduce failure with problem host name below?=20
> >=20
> > Yes, I can reproduce it, and it's a total surprise.
>=20
> > I have no idea why Windows' getaddrinfo chokes on leapsecond.utcd.org
> > at all.
>=20
> Especially when after just one getaddrinfo call, the DNS cache is populat=
ed
> with:
>     leapsecond.utcd.org
>     ----------------------------------------
>     Record Name . . . . . : leapsecond.utcd.org
>     Record Type . . . . . : 1
>     Time To Live  . . . . : 600
>     Data Length . . . . . : 4
>     Section . . . . . . . : Answer
>     A (Host) Record . . . : 244.34.36.97
>=20
> so the DNS server is being contacted and responding normally, but it would
> appear Windows GAI is failing to use that info.=20
> Has this been reproduced on W10 so we can report this upstream?=20

I can reproduce this on W10 as well.


Corinna

--=20
Corinna Vinschen                  Please, send mails regarding Cygwin to
Cygwin Maintainer                 cygwin AT cygwin DOT com
Red Hat

--gatW/ieO32f1wygP
Content-Type: application/pgp-signature; name="signature.asc"

-----BEGIN PGP SIGNATURE-----
Version: GnuPG v2
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=MQKY
-----END PGP SIGNATURE-----

--gatW/ieO32f1wygP--