From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mp1 ([2001:41d0:2:4a6f::]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits)) by ms11 with LMTPS id aKPPAd20dV/gDwAA0tVLHw (envelope-from ) for ; Thu, 01 Oct 2020 10:52:13 +0000 Received: from aspmx1.migadu.com ([2001:41d0:2:4a6f::]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits)) by mp1 with LMTPS id sF5EOdy0dV+FUwAAbx9fmQ (envelope-from ) for ; Thu, 01 Oct 2020 10:52:12 +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 63EF8940105 for ; Thu, 1 Oct 2020 10:52:12 +0000 (UTC) Received: from localhost ([::1]:44262 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1kNwC2-0001A1-Nf for larch@yhetil.org; Thu, 01 Oct 2020 06:52:10 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:38416) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1kNwBu-00017o-LP for bug-guix@gnu.org; Thu, 01 Oct 2020 06:52:02 -0400 Received: from debbugs.gnu.org ([209.51.188.43]:50930) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1kNwBu-0004Au-Bp for bug-guix@gnu.org; Thu, 01 Oct 2020 06:52:02 -0400 Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84_2) (envelope-from ) id 1kNwBu-00038h-Bc for bug-guix@gnu.org; Thu, 01 Oct 2020 06:52:02 -0400 Subject: bug#43668: Daemon tries to build GNU/Hurd derivations on GNU/Linux Resent-From: Ludovic =?UTF-8?Q?Court=C3=A8s?= Original-Sender: "Debbugs-submit" Resent-To: bug-guix@gnu.org Resent-Date: Thu, 01 Oct 2020 10:52:02 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: cc-closed 43668 X-GNU-PR-Package: guix X-GNU-PR-Keywords: To: Jan Nieuwenhuizen Mail-Followup-To: 43668@debbugs.gnu.org, ludo@gnu.org, ludo@gnu.org Received: via spool by 43668-done@debbugs.gnu.org id=D43668.160154948912016 (code D ref 43668); Thu, 01 Oct 2020 10:52:02 +0000 Received: (at 43668-done) by debbugs.gnu.org; 1 Oct 2020 10:51:29 +0000 Received: from localhost ([127.0.0.1]:34242 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1kNwBN-00037k-8D for submit@debbugs.gnu.org; Thu, 01 Oct 2020 06:51:29 -0400 Received: from eggs.gnu.org ([209.51.188.92]:59564) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1kNwBL-00037V-9h for 43668-done@debbugs.gnu.org; Thu, 01 Oct 2020 06:51:27 -0400 Received: from fencepost.gnu.org ([2001:470:142:3::e]:52399) by eggs.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1kNwBF-00047W-Sm; Thu, 01 Oct 2020 06:51:21 -0400 Received: from [2a01:e0a:1d:7270:af76:b9b:ca24:c465] (port=37488 helo=ribbon) by fencepost.gnu.org with esmtpsa (TLS1.2:RSA_AES_256_CBC_SHA1:256) (Exim 4.82) (envelope-from ) id 1kNwBF-0006nA-8H; Thu, 01 Oct 2020 06:51:21 -0400 From: Ludovic =?UTF-8?Q?Court=C3=A8s?= References: <87a6xacmw5.fsf@inria.fr> <875z7ychvp.fsf@gnu.org> <87lfgurwaa.fsf@gnu.org> <87r1qlk4v6.fsf@gnu.org> <877dsc3igp.fsf@gnu.org> X-URL: http://www.fdn.fr/~lcourtes/ X-Revolutionary-Date: 10 =?UTF-8?Q?Vend=C3=A9miaire?= an 229 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, 01 Oct 2020 12:51:19 +0200 In-Reply-To: <877dsc3igp.fsf@gnu.org> (Jan Nieuwenhuizen's message of "Tue, 29 Sep 2020 13:55:50 +0200") Message-ID: <87sgayte1k.fsf@gnu.org> User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/27.1 (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: 43668-done@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=pass (policy=none) header.from=gnu.org; 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: -1.51 X-TUID: vayvNSKSmUId Hi, Jan Nieuwenhuizen skribis: >> Yeah, I think we=E2=80=99ll have to do this hack (we=E2=80=99re not goin= g to parse ELF >> files and all to determine whether to call =E2=80=98execve=E2=80=99.) > > Ah, we're C++; I was thinking Guile and "we surely have" an ELF library. > That's allright then. Let's have this workaround. Yeah. Even with a library, it doesn=E2=80=99t sound right to parse files beforehand. I think it=E2=80=99s up to the kernel to make the relevant che= ck, but perhaps there are good reasons why this isn=E2=80=99t happening here. Anyway, pushed as 9556ac498fd648147ad7d3b52ec86202d0a8e171! >> (Besides, it would be interesting to understand how the libc/Hurd >> startup code ends up segfaulting on GNU/Linux.) > > Hmm...are you saying something like "it could run until it wants to RCP > Mach or Hurd?" Might it "just load" shared libraries... Yeah I would expect it to run code up to the first Mach syscall but here it segfaults so maybe it crashes earlier. Ludo=E2=80=99.