From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mp0 ([2001:41d0:2:4a6f::]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits)) by ms11 with LMTPS id 0H1bM73j2F5JMAAA0tVLHw (envelope-from ) for ; Thu, 04 Jun 2020 12:06:21 +0000 Received: from aspmx1.migadu.com ([2001:41d0:2:4a6f::]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits)) by mp0 with LMTPS id sENGL73j2F4NBAAA1q6Kng (envelope-from ) for ; Thu, 04 Jun 2020 12:06:21 +0000 Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by aspmx1.migadu.com (Postfix) with ESMTPS id 6B16B9407C6 for ; Thu, 4 Jun 2020 12:06:21 +0000 (UTC) Received: from localhost ([::1]:57724 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1jgodY-00072F-FG for larch@yhetil.org; Thu, 04 Jun 2020 08:06:20 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:48122) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1jgodG-0006rW-2t for bug-guix@gnu.org; Thu, 04 Jun 2020 08:06:02 -0400 Received: from debbugs.gnu.org ([209.51.188.43]:33714) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1jgodF-00028i-PM for bug-guix@gnu.org; Thu, 04 Jun 2020 08:06:01 -0400 Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84_2) (envelope-from ) id 1jgodF-0001Ac-KL for bug-guix@gnu.org; Thu, 04 Jun 2020 08:06:01 -0400 X-Loop: help-debbugs@gnu.org Subject: bug#41625: Sporadic guix-offload crashes due to EOF errors Resent-From: Ludovic =?UTF-8?Q?Court=C3=A8s?= Original-Sender: "Debbugs-submit" Resent-CC: bug-guix@gnu.org Resent-Date: Thu, 04 Jun 2020 12:06:01 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 41625 X-GNU-PR-Package: guix X-GNU-PR-Keywords: To: Marius Bakke Received: via spool by 41625-submit@debbugs.gnu.org id=B41625.15912723534484 (code B ref 41625); Thu, 04 Jun 2020 12:06:01 +0000 Received: (at 41625) by debbugs.gnu.org; 4 Jun 2020 12:05:53 +0000 Received: from localhost ([127.0.0.1]:45260 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1jgod6-0001AG-R2 for submit@debbugs.gnu.org; Thu, 04 Jun 2020 08:05:53 -0400 Received: from eggs.gnu.org ([209.51.188.92]:35254) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1jgod5-00019x-01 for 41625@debbugs.gnu.org; Thu, 04 Jun 2020 08:05:51 -0400 Received: from fencepost.gnu.org ([2001:470:142:3::e]:59050) by eggs.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1jgocz-00021B-QZ for 41625@debbugs.gnu.org; Thu, 04 Jun 2020 08:05:45 -0400 Received: from [2a01:e0a:1d:7270:af76:b9b:ca24:c465] (port=45524 helo=ribbon) by fencepost.gnu.org with esmtpsa (TLS1.2:RSA_AES_256_CBC_SHA1:256) (Exim 4.82) (envelope-from ) id 1jgocx-0001fS-UP; Thu, 04 Jun 2020 08:05:44 -0400 From: Ludovic =?UTF-8?Q?Court=C3=A8s?= References: <87mu5owhxh.fsf@gnu.org> <87k10swgyy.fsf@gnu.org> <87h7vwwdrs.fsf@gnu.org> X-URL: http://www.fdn.fr/~lcourtes/ X-Revolutionary-Date: 17 Prairial an 228 de la =?UTF-8?Q?R=C3=A9volution?= X-PGP-Key-ID: 0x090B11993D9AEBB5 X-PGP-Key: http://www.fdn.fr/~lcourtes/ludovic.asc X-PGP-Fingerprint: 3CE4 6455 8A84 FDC6 9DB4 0CFB 090B 1199 3D9A EBB5 X-OS: x86_64-pc-linux-gnu Date: Thu, 04 Jun 2020 14:05:41 +0200 In-Reply-To: <87h7vwwdrs.fsf@gnu.org> (Marius Bakke's message of "Sun, 31 May 2020 13:21:43 +0200") Message-ID: <87a71jc9yi.fsf@gnu.org> User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/26.3 (gnu/linux) MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable X-Spam-Score: -2.3 (--) X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list X-Spam-Score: -3.3 (---) X-BeenThere: bug-guix@gnu.org List-Id: Bug reports for GNU Guix List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: 41625@debbugs.gnu.org Errors-To: bug-guix-bounces+larch=yhetil.org@gnu.org Sender: "bug-Guix" X-Scanner: scn0 Authentication-Results: aspmx1.migadu.com; dkim=none; dmarc=none; spf=pass (aspmx1.migadu.com: domain of bug-guix-bounces@gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=bug-guix-bounces@gnu.org X-Spam-Score: -1.01 X-TUID: uBiLtDGZDvD3 Hi, Marius Bakke skribis: > Marius Bakke writes: > >> 'guix offload test' passes without problems. > > Not so fast, running it in a loop reveals the crash. > > There is a trace file in /root/offloadtest.trace on Berlin with such an > occurence. It looks like a timeout is reached shortly before the EOF > error: > > 10139 poll([{fd=3D14, events=3DPOLLIN|POLLOUT}], 1, 0) =3D 1 ([{fd=3D14, = revents=3DPOLLOUT}]) > 10139 poll([{fd=3D14, events=3DPOLLIN}], 1, 15000) =3D 0 (Timeout) > 10139 write(2, "Backtrace:\n", 11) =3D 11 > > This seems to be from a different node than the one reported previously, > as the preceding connect() was to this machine: > > 10139 connect(44, {sa_family=3DAF_INET, sin_port=3Dhtons(22), sin_addr=3D= inet_addr("141.80.167.186")}, 16) =3D -1 EINPROGRESS (Operation now in prog= ress) So it looks like =E2=80=98connect=E2=80=99 fails and eventually we get an E= OF object. However, I don=E2=80=99t see where that EOF comes from because the return v= alue of =E2=80=98connect!=E2=80=99 (the Guile-SSH procedure) is properly checked. Ludo=E2=80=99.