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[192.35.17.14]) by gmr-mx.google.com with ESMTPS id j203si5340641wmg.1.2017.07.05.05.05.27 for (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Wed, 05 Jul 2017 05:05:27 -0700 (PDT) Received-SPF: neutral (google.com: 192.35.17.14 is neither permitted nor denied by best guess record for domain of jan.kiszka@siemens.com) client-ip=192.35.17.14; Authentication-Results: gmr-mx.google.com; spf=neutral (google.com: 192.35.17.14 is neither permitted nor denied by best guess record for domain of jan.kiszka@siemens.com) smtp.mailfrom=jan.kiszka@siemens.com Received: from mail1.siemens.de (mail1.siemens.de [139.23.33.14]) by david.siemens.de (8.15.2/8.15.2) with ESMTPS id v65C5RjM031743 (version=TLSv1.2 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK) for ; Wed, 5 Jul 2017 14:05:27 +0200 Received: from md1f2u6c.ww002.siemens.net ([139.25.68.37]) by mail1.siemens.de (8.15.2/8.15.2) with ESMTP id v65C5QCs025015 for ; Wed, 5 Jul 2017 14:05:27 +0200 Subject: Re: Strange zero block size, wic fails From: Jan Kiszka To: isar-users References: Message-ID: <78ca2a6b-8239-9a42-9571-ec0205d95b7d@siemens.com> Date: Wed, 5 Jul 2017 14:05:24 +0200 User-Agent: Mozilla/5.0 (X11; U; Linux i686 (x86_64); de; rv:1.8.1.12) Gecko/20080226 SUSE/2.0.0.12-1.1 Thunderbird/2.0.0.12 Mnenhy/0.7.5.666 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit X-TUID: tFQlaYzyYHOU On 2017-07-03 14:36, [ext] Jan Kiszka wrote: > Hi all, > > any spontaneous idea what could cause such a bug? > > INFO: Creating image(s)... > > Traceback (most recent call last): > File "/isar/scripts/wic", line 303, in > sys.exit(main(sys.argv[1:])) > File "/isar/scripts/wic", line 298, in main > return hlp.invoke_subcommand(args, parser, hlp.wic_help_usage, subcommands) > File "/isar/scripts/lib/wic/help.py", line 97, in invoke_subcommand > subcommands.get(args[0], subcommand_error)[0](args[1:], usage) > File "/isar/scripts/wic", line 236, in wic_create_subcommand > engine.wic_create(wks_file, rootfs_dir, bootimg_dir, kernel_dir, options) > File "/isar/scripts/lib/wic/engine.py", line 191, in wic_create > plugin.do_create() > File "/isar/scripts/lib/wic/plugins/imager/direct.py", line 94, in do_create > self.assemble() > File "/isar/scripts/lib/wic/plugins/imager/direct.py", line 185, in assemble > self._image.assemble() > File "/isar/scripts/lib/wic/plugins/imager/direct.py", line 544, in assemble > sparse_copy(source, self.path, part.start * self.sector_size) > File "/isar/scripts/lib/wic/filemap.py", line 537, in sparse_copy > fmap = api(src_fname) > File "/isar/scripts/lib/wic/filemap.py", line 529, in filemap > return FilemapFiemap(image, log) > File "/isar/scripts/lib/wic/filemap.py", line 347, in __init__ > _FilemapBase.__init__(self, image, log) > File "/isar/scripts/lib/wic/filemap.py", line 98, in __init__ > self.blocks_cnt //= self.block_size > ZeroDivisionError: integer division or modulo by zero > > > We confirmed via instrumentation that there is actually 0 returned by > get_block_size, more precisely when requesting the info for the > temporary boot.img. > > Base system was a Debian 8.8 with latest Docker release, and the run > took place inside that container (kasproject/kas-isar:latest). I'm > currently trying to reproduce locally. > > Jan > Problem widely understood, see https://groups.google.com/forum/#!topic/kas-devel/UwhdbBiEz8U Jan -- Siemens AG, Corporate Technology, CT RDA ITP SES-DE Corporate Competence Center Embedded Linux