From mboxrd@z Thu Jan  1 00:00:00 1970
From: ludo@gnu.org (Ludovic =?UTF-8?Q?Court=C3=A8s?=)
Subject: bug#18070: Hydra does not cope well with offline build machines
Date: Fri, 29 Aug 2014 14:41:41 +0200
Message-ID: <87bnr3foxm.fsf@gnu.org>
References: <20140721183450.GA27090@debian>
Mime-Version: 1.0
Content-Type: text/plain; charset=utf-8
Content-Transfer-Encoding: quoted-printable
Return-path: <bug-guix-bounces+gcggb-bug-guix=m.gmane.org@gnu.org>
Received: from eggs.gnu.org ([2001:4830:134:3::10]:45965)
	by lists.gnu.org with esmtp (Exim 4.71)
	(envelope-from <Debian-debbugs@debbugs.gnu.org>) id 1XNUr0-0007bl-6l
	for bug-guix@gnu.org; Fri, 29 Aug 2014 18:41:15 -0400
Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71)
	(envelope-from <Debian-debbugs@debbugs.gnu.org>) id 1XNUqu-0006yr-EI
	for bug-guix@gnu.org; Fri, 29 Aug 2014 18:41:10 -0400
Received: from debbugs.gnu.org ([140.186.70.43]:34068)
	by eggs.gnu.org with esmtp (Exim 4.71)
	(envelope-from <Debian-debbugs@debbugs.gnu.org>) id 1XNUqu-0006yn-B6
	for bug-guix@gnu.org; Fri, 29 Aug 2014 18:41:04 -0400
Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.80)
	(envelope-from <Debian-debbugs@debbugs.gnu.org>) id 1XNUqt-0003F8-VO
	for bug-guix@gnu.org; Fri, 29 Aug 2014 18:41:04 -0400
Sender: "Debbugs-submit" <debbugs-submit-bounces@debbugs.gnu.org>
Resent-To: bug-guix@gnu.org
Resent-Message-ID: <handler.18070.D18070.140935201212384.done@debbugs.gnu.org>
In-Reply-To: <20140721183450.GA27090@debian> (Andreas Enge's message of "Mon,
	21 Jul 2014 20:34:50 +0200")
List-Id: Bug reports for GNU Guix <bug-guix.gnu.org>
List-Unsubscribe: <https://lists.gnu.org/mailman/options/bug-guix>,
	<mailto:bug-guix-request@gnu.org?subject=unsubscribe>
List-Archive: <http://lists.gnu.org/archive/html/bug-guix>
List-Post: <mailto:bug-guix@gnu.org>
List-Help: <mailto:bug-guix-request@gnu.org?subject=help>
List-Subscribe: <https://lists.gnu.org/mailman/listinfo/bug-guix>,
	<mailto:bug-guix-request@gnu.org?subject=subscribe>
Errors-To: bug-guix-bounces+gcggb-bug-guix=m.gmane.org@gnu.org
Sender: bug-guix-bounces+gcggb-bug-guix=m.gmane.org@gnu.org
To: Andreas Enge <andreas@enge.fr>
Cc: 18070-done@debbugs.gnu.org

Andreas Enge <andreas@enge.fr> skribis:

> lsh: Connect failed, (errno =3D 0)
> guix offload: error: failed to register GC root for '/gnu/store/8nklnmzj3=
17ahk6ynz7k5748lhma8cgn-GD_2_0_33.tar.xz.drv' on '#<<build-machine> name: "=
enge.fr" port: 2222 system: "mips64el-linux" user: "hydra" private-key: "/h=
ome/hydra/.lsh/identity" parallel-builds: 2 speed: 0.5 features: ()>' (stat=
us: 256)
> builder for `/gnu/store/8nklnmzj317ahk6ynz7k5748lhma8cgn-GD_2_0_33.tar.xz=
.drv' failed with exit code 1
> @ hook-failed /gnu/store/8nklnmzj317ahk6ynz7k5748lhma8cgn-GD_2_0_33.tar.x=
z.drv - 256 builder for `/gnu/store/8nklnmzj317ahk6ynz7k5748lhma8cgn-GD_2_0=
_33.tar.xz.drv' failed with exit code 1
> cannot build derivation `/gnu/store/i7xzs82ja6pwa641hdagq32z3m0g6c9y-gd-2=
.0.33.drv': 1 dependencies couldn't be built
>
> It is normal that there is no connection to enge.fr:2222 because the mach=
ine
> is offline. But hydra should notice the lack of response and build on ano=
ther
> machine instead.

I believe this is now fixed.  The change just makes =E2=80=98machine-load=
=E2=80=99
return +=E2=88=9E when the connection fails; the effect is to ignore any su=
ch
machine.

I=E2=80=99ll deploy it on hydra.gnu.org ASAP.

Thanks,
Ludo=E2=80=99.