From owner-freebsd-hackers@freebsd.org Wed Jan 17 01:59:00 2018 Return-Path: Delivered-To: freebsd-hackers@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id 762BDE71A94 for ; Wed, 17 Jan 2018 01:59:00 +0000 (UTC) (envelope-from darius@dons.net.au) Received: from ipmail07.adl2.internode.on.net (ipmail07.adl2.internode.on.net [150.101.137.131]) by mx1.freebsd.org (Postfix) with ESMTP id F061C76E74 for ; Wed, 17 Jan 2018 01:58:59 +0000 (UTC) (envelope-from darius@dons.net.au) Received: from 124-169-232-53.dyn.iinet.net.au (HELO midget.dons.net.au) ([124.169.232.53]) by ipmail07.adl2.internode.on.net with ESMTP; 17 Jan 2018 12:23:46 +1030 Received: from midget.dons.net.au (localhost [127.0.0.1]) by midget.dons.net.au (8.15.1/8.14.9) with ESMTPS id w0H1rdhk091376 (version=TLSv1.2 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Wed, 17 Jan 2018 12:23:39 +1030 (CST) (envelope-from darius@dons.net.au) Received: (from mailnull@localhost) by midget.dons.net.au (8.15.1/8.14.9/Submit) id w0H1US5l077491 for ; Wed, 17 Jan 2018 12:00:28 +1030 (CST) (envelope-from darius@dons.net.au) X-Authentication-Warning: midget.dons.net.au: mailnull set sender to using -f Received: from [10.176.138.114] (ns.dons.net.au [10.0.2.1]) by ns.dons.net.au (envelope-sender ) (MIMEDefang) with ESMTP id w0H1UMcu076565; Wed, 17 Jan 2018 12:00:28 +1030 Content-Type: text/plain; charset=us-ascii Mime-Version: 1.0 (Mac OS X Mail 11.2 \(3445.5.20\)) Subject: Re: examining Linux core file? From: "O'Connor, Daniel" In-Reply-To: <20180116095908.GQ1684@kib.kiev.ua> Date: Wed, 17 Jan 2018 12:00:22 +1030 Cc: Pedro Giffuni , FreeBSD Hackers Content-Transfer-Encoding: quoted-printable Message-Id: <32C3FADA-073C-4942-B12F-AEB7F345766E@dons.net.au> References: <20180116095908.GQ1684@kib.kiev.ua> To: Konstantin Belousov X-Mailer: Apple Mail (2.3445.5.20) X-Spam-Score: -1 () No, score=-1.0 required=5.0 tests=ALL_TRUSTED, T_RP_MATCHES_RCVD autolearn=unavailable autolearn_force=no version=3.4.0 X-Scanned-By: MIMEDefang 2.75 on 10.0.2.1 X-BeenThere: freebsd-hackers@freebsd.org X-Mailman-Version: 2.1.25 Precedence: list List-Id: Technical Discussions relating to FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 17 Jan 2018 01:59:00 -0000 > On 16 Jan 2018, at 20:29, Konstantin Belousov = wrote: >>=20 >> My memory is sketchy but you may need to build a complete=20 >> cross-toolchain for that. Long-long ago we actually did that but the=20= >> resulting linux binaries were weird and needed branding always. >=20 > No cross-toolchain will help there. Problem is that the binary is = Linux, > while core is FreeBSD. There are enough details significant to the = debugger > that make such combination a new platform. Using ktrace / linux_kdump might help - or at least give some clues as = to where it's failing too. -- Daniel O'Connor "The nice thing about standards is that there are so many of them to choose from." -- Andrew Tanenbaum GPG Fingerprint - 5596 B766 97C0 0E94 4347 295E E593 DC20 7B3F CE8C