From mboxrd@z Thu Jan 1 00:00:00 1970 X-GM-THRID: 6550678828397625344 X-Received: by 2002:a2e:7e05:: with SMTP id z5-v6mr1086936ljc.9.1525251179660; Wed, 02 May 2018 01:52:59 -0700 (PDT) X-BeenThere: isar-users@googlegroups.com Received: by 2002:a2e:635a:: with SMTP id x87-v6ls1222504ljb.6.gmail; Wed, 02 May 2018 01:52:59 -0700 (PDT) X-Google-Smtp-Source: AB8JxZqsSpxeiLxyQN0/DDxEzJgtqOom/ehxiZbvE/8kFP5YcmnU7THSPKJVfYxuSLHnyQkENz9s X-Received: by 2002:a2e:9d12:: with SMTP id t18-v6mr260960lji.10.1525251179333; Wed, 02 May 2018 01:52:59 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1525251179; cv=none; d=google.com; s=arc-20160816; b=Q1CeQiW4D0ZE2Xs65sTC1wGL+wjmL+gHPOw3NWGD67r2c91j/UQ3Q7snEnlknoYod5 5gL6Dj61d+J/CsLFtu6a+CTEhBd1NaKOTJ+9YrM1YRYYd0uz28ghzWjsDmwdirRo1qhz 5RbCpd8a66GSeEZsm1QyxdSjZKvAr0G3VCfrFCw+07bRoHk9lwu9J5AI8lmrTbToNij8 PxiDwAm6YEWP/2RL4OQmptOoA34v83TGcIrBdmVke4kSvKF1RmoJw8yqQS1Hzb4xB1J1 wsJNg6kUW7pAAGc0wWs1G2Y+pr4ZHzJmgCnuIyaed4kRAM7zQDinupoDsZYb7F/Lo0pq GsnA== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:subject:cc:to:from:date:arc-authentication-results; bh=0SYva+qlU7DGJdqUzQ5jWq21/ZoS/xhkjb1jtpF2ztw=; b=WhoEdsKTjzI5txFWbKiJfkjt4iUxiKLIolDxULN39ZymgaAdkESxYjsgcctbrAuKjD I+0p4PxSNV5Mzre7NoxA5bTY5DkOZ6VFWdGn6zfJeCl28LuauIaxA2W5/DioObPFjp0/ zSm2fLYFenvxo1ddAGdgAW95DrgfaoP9Fxues4B3by4Tb5N0RFj2ewai75DAUWqpqUoY udk2x72vg9+H/CmnhhIb2JXLTN0LokudYTkg2IdYT3ysVSb8LUuxbfs/dLJweztlNs7f 5H3YrFq1fsfo+3ofjcwYikRBRWE+e4ktAEr3SJ3GqbsqgHJ5uvwT44ekEbh/GcoWEmzF QckA== ARC-Authentication-Results: i=1; gmr-mx.google.com; spf=pass (google.com: domain of henning.schild@siemens.com designates 192.35.17.28 as permitted sender) smtp.mailfrom=henning.schild@siemens.com Return-Path: Received: from goliath.siemens.de (goliath.siemens.de. [192.35.17.28]) by gmr-mx.google.com with ESMTPS id b65-v6si354969ljb.1.2018.05.02.01.52.59 for (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Wed, 02 May 2018 01:52:59 -0700 (PDT) Received-SPF: pass (google.com: domain of henning.schild@siemens.com designates 192.35.17.28 as permitted sender) client-ip=192.35.17.28; Authentication-Results: gmr-mx.google.com; spf=pass (google.com: domain of henning.schild@siemens.com designates 192.35.17.28 as permitted sender) smtp.mailfrom=henning.schild@siemens.com Received: from mail1.siemens.de (mail1.siemens.de [139.23.33.14]) by goliath.siemens.de (8.15.2/8.15.2) with ESMTPS id w428qwvS003887 (version=TLSv1.2 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Wed, 2 May 2018 10:52:58 +0200 Received: from md1pvb1c.ad001.siemens.net (md1pvb1c.ad001.siemens.net [139.25.68.40]) by mail1.siemens.de (8.15.2/8.15.2) with ESMTP id w428qwOL028145; Wed, 2 May 2018 10:52:58 +0200 Date: Wed, 2 May 2018 10:52:57 +0200 From: Henning Schild To: Alexander Smirnov Cc: isar-users Subject: Re: Host with i686 kernel Message-ID: <20180502105257.34308124@md1pvb1c.ad001.siemens.net> In-Reply-To: References: X-Mailer: Claws Mail 3.15.0-dirty (GTK+ 2.24.31; x86_64-pc-linux-gnu) MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit X-TUID: xj+DcSz56O8H Am Tue, 1 May 2018 21:19:19 +0300 schrieb Alexander Smirnov : > Hi all, > > I've faced with the problem building Isar on i686 host kernel. The > amd64 configuration fails on debootstrap with error: > > - mount: cannot execute binary file: Exec format error > > As I found, this error happened when debootstrap tries to run > '/bin/mount' in chroot. The issue is that there is no binfmt for > x86_64. > > I've found a binfmt config for AMD64: > > http://seeblog.seenet.ca/2016/03/running-amd64-binaries-on-an-i386-linux-system/ > > But it works very unstable (possibly this is the reason why it's not > included in default package). > > Conclusion: Isar can't build 64-bit systems on 32-bit host kernels. I think that is OK, 32bit x86 is dead. To follow up one could open a debian bug about the missing/broken binfmt and document that limitation in Isar. Henning > Alex >