From owner-freebsd-hackers@freebsd.org Fri Nov 6 18:01:19 2015 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 3FA35A275F6; Fri, 6 Nov 2015 18:01:19 +0000 (UTC) (envelope-from hps@selasky.org) Received: from mail.turbocat.net (mail.turbocat.net [IPv6:2a01:4f8:d16:4514::2]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) by mx1.freebsd.org (Postfix) with ESMTPS id 0442C1E99; Fri, 6 Nov 2015 18:01:19 +0000 (UTC) (envelope-from hps@selasky.org) Received: from laptop015.home.selasky.org (unknown [62.141.129.119]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mail.turbocat.net (Postfix) with ESMTPSA id C73621FE023; Fri, 6 Nov 2015 19:01:16 +0100 (CET) Subject: Re: strange kernel crash To: Andriy Gapon , FreeBSD Current , FreeBSD Hackers References: <563C8CED.3020101@FreeBSD.org> From: Hans Petter Selasky Message-ID: <563CEB53.50909@selasky.org> Date: Fri, 6 Nov 2015 19:02:59 +0100 User-Agent: Mozilla/5.0 (X11; FreeBSD amd64; rv:38.0) Gecko/20100101 Thunderbird/38.2.0 MIME-Version: 1.0 In-Reply-To: <563C8CED.3020101@FreeBSD.org> Content-Type: text/plain; charset=windows-1252; format=flowed Content-Transfer-Encoding: 7bit X-BeenThere: freebsd-hackers@freebsd.org X-Mailman-Version: 2.1.20 Precedence: list List-Id: Technical Discussions relating to FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 06 Nov 2015 18:01:19 -0000 On 11/06/15 12:20, Andriy Gapon wrote: > Now the strange part: > > 0xffffffff80619a18 <+744>: jne 0xffffffff80619a61 <__mtx_lock_flags+817> > 0xffffffff80619a1a <+746>: mov %rbx,(%rsp) > => 0xffffffff80619a1e <+750>: movq $0x0,0x18(%rsp) > 0xffffffff80619a27 <+759>: movq $0x0,0x10(%rsp) > 0xffffffff80619a30 <+768>: movq $0x0,0x8(%rsp) Were these instructions dumped from RAM or from the kernel ELF file? --HPS