From owner-freebsd-emulation@FreeBSD.ORG Sun Oct 28 21:47:19 2007 Return-Path: Delivered-To: freebsd-emulation@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 588F116A417; Sun, 28 Oct 2007 21:47:19 +0000 (UTC) (envelope-from valera@chikalov.dp.ua) Received: from halik.com.ua (halik.com.ua [193.178.146.121]) by mx1.freebsd.org (Postfix) with ESMTP id 134FB13C4BE; Sun, 28 Oct 2007 21:47:19 +0000 (UTC) (envelope-from valera@chikalov.dp.ua) Received: from tiger.novakom.dp.ua (77-109-17-130.dynamic.peoplenet.ua [77.109.17.130]) by halik.com.ua (Postfix) with ESMTP id 2D1855C07D; Sun, 28 Oct 2007 23:47:12 +0200 (EET) Message-ID: <47250359.5070102@chikalov.dp.ua> Date: Sun, 28 Oct 2007 23:47:05 +0200 From: "Valery V.Chikalov" User-Agent: Thunderbird 2.0.0.6 (X11/20070814) MIME-Version: 1.0 To: Roman Divacky References: <4723A8D6.6020002@chikalov.dp.ua> <20071028112910.GA84830@freebsd.org> <4724CBCA.30500@chikalov.dp.ua> <4724D99C.3080105@chikalov.dp.ua> <20071028184318.GA57240@freebsd.org> <4724EA7B.3010103@chikalov.dp.ua> <4724F83F.30503@chikalov.dp.ua> <20071028210706.GA60615@freebsd.org> <4724FF52.7090304@chikalov.dp.ua> <20071028213336.GA61710@freebsd.org> In-Reply-To: <20071028213336.GA61710@freebsd.org> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Cc: freebsd-emulation@freebsd.org Subject: Re: Linux emulation on FreeBSD AMD64 X-BeenThere: freebsd-emulation@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Development of Emulators of other operating systems List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sun, 28 Oct 2007 21:47:19 -0000 Roman Divacky wrote: >>> do you see any obvious flaw in this thought? >> One and half(IMHO). >> >> This occurs accidentally, as I have said I can sometimes start server, >> ask him about something and only after some time find him dead. >> Sometimes I ever cant start it. I think in your scenario it must be >> absolutely deterministic. > > yes.. if only everything could be explained with logic :) it can be something > like "if (some_random_condition) run_optimizer()" ie. it's quite random or > something.. I tend to believe that Oracle DBMS is tuned with AI-like things I think you overdemonising Oracle :-) > >> There are no AMD64 specific in your reasoning. Its working in i386 mode. >> Do you have some ideas about this?. > > I was talking about the gdb thing.. you are using native gdb (built for amd64) > right? Yes right. But my sentence was not connected to gdb but was answer to your explanation of coredumps nature. Obviously I express my minds not clear, sorry for my English. Valery.