From owner-freebsd-hackers@FreeBSD.ORG Fri Sep 3 16:17:08 2010 Return-Path: Delivered-To: freebsd-hackers@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id D893E106577F for ; Fri, 3 Sep 2010 16:17:08 +0000 (UTC) (envelope-from avg@icyb.net.ua) Received: from citadel.icyb.net.ua (citadel.icyb.net.ua [212.40.38.140]) by mx1.freebsd.org (Postfix) with ESMTP id 103078FC17 for ; Fri, 3 Sep 2010 16:17:07 +0000 (UTC) Received: from odyssey.starpoint.kiev.ua (alpha-e.starpoint.kiev.ua [212.40.38.101]) by citadel.icyb.net.ua (8.8.8p3/ICyb-2.3exp) with ESMTP id TAA19601; Fri, 03 Sep 2010 19:17:01 +0300 (EEST) (envelope-from avg@icyb.net.ua) Message-ID: <4C811F7D.9040807@icyb.net.ua> Date: Fri, 03 Sep 2010 19:17:01 +0300 From: Andriy Gapon User-Agent: Mozilla/5.0 (X11; U; FreeBSD amd64; en-US; rv:1.9.2.8) Gecko/20100823 Lightning/1.0b2 Thunderbird/3.1.2 MIME-Version: 1.0 To: Matthew Jacob References: <4C81187E.9050308@icyb.net.ua> <4C811DDC.6080001@feral.com> In-Reply-To: <4C811DDC.6080001@feral.com> X-Enigmail-Version: 1.1.2 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit Cc: freebsd-hackers@freebsd.org Subject: Re: minidump: a hack to prevent vm_page_dump bitmap change during dumping X-BeenThere: freebsd-hackers@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Technical Discussions relating to FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 03 Sep 2010 16:17:08 -0000 on 03/09/2010 19:10 Matthew Jacob said the following: > You can do it this way, but IMO, the best thing to do is to when you're panicing > stop all other CPUs. Entirely agree, that's the way it should be handled. Unfortunately, all I could come up with was the patch that I posted. -- Andriy Gapon