From owner-freebsd-virtualization@FreeBSD.ORG Mon Jun 9 18:53:44 2008 Return-Path: Delivered-To: freebsd-virtualization@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 104DA106566C for ; Mon, 9 Jun 2008 18:53:44 +0000 (UTC) (envelope-from julian@elischer.org) Received: from outN.internet-mail-service.net (outn.internet-mail-service.net [216.240.47.237]) by mx1.freebsd.org (Postfix) with ESMTP id ECAF68FC21 for ; Mon, 9 Jun 2008 18:53:42 +0000 (UTC) (envelope-from julian@elischer.org) Received: from idiom.com (mx0.idiom.com [216.240.32.160]) by out.internet-mail-service.net (Postfix) with ESMTP id AA73D2487; Mon, 9 Jun 2008 11:53:42 -0700 (PDT) Received: from julian-mac.elischer.org (localhost [127.0.0.1]) by idiom.com (Postfix) with ESMTP id 6A1332D600D; Mon, 9 Jun 2008 11:53:42 -0700 (PDT) Message-ID: <484D7C36.2030607@elischer.org> Date: Mon, 09 Jun 2008 11:53:42 -0700 From: Julian Elischer User-Agent: Thunderbird 2.0.0.14 (Macintosh/20080421) MIME-Version: 1.0 To: Kris Kennaway References: <484CC690.9020303@elischer.org> <484CFE6E.7040305@FreeBSD.org> <484D6B38.3020207@elischer.org> <484D77D2.9050102@FreeBSD.org> In-Reply-To: <484D77D2.9050102@FreeBSD.org> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Cc: Marko Zec , FreeBSD Current , freebsd-virtualization@freebsd.org Subject: Re: kinda headsup.. X-BeenThere: freebsd-virtualization@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: "Discussion of various virtualization techniques FreeBSD supports." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 09 Jun 2008 18:53:44 -0000 Kris Kennaway wrote: > Julian Elischer wrote: >> Kris Kennaway wrote: >>> Julian Elischer wrote: >>>> At the BSDCAn devsummit we discussed how to proceed with committing >>>> Vimage to -current. >>>> >>>> the Milestones included something like: >>>> >>>> June 8 (today) Headsup.... >>>> >>>> June 15 commit changes that add macros for vnet >>>> (network module) and vinet(inet virtualisation) >>>> with macros defined in such a way to make 0 actual >>>> differences. provable by md5 etc. >>>> Documentat >>>> s/hostname/g//V_hostname/ >>>> #define V_hostname hostname >>>> 2 weeks settle time, next step prepared, tested >>>> and reviewed. >>> ... >>> >>>> diffs can be found at: >>>> http://www.freebsd.org/~julian/vimage.diff and it are usually >>>> fairly up to date. >>> >>> Did Marko fix the panic I saw back in May? I wasn't even able to >>> boot a vimage kernel yet, let alone begin testing it :) >> >> is this the ipv6 panic? >> I must admit I have not heard.. >> he was looking at it back thne and has committed stuff since then.. >> >> I use it with IPV4 quite successfully quite often. >> >> note that the first commits are pretty much quaranteed to not have >> that problem.. as they are effective NOPs >> >> >> I'll get back to you on it.. > > Yes, the panic occurs when one runs a vimage kernel on a CVS world. It's > presumably a case of incomplete validation of the input from userland. > > I'd still like someone to validate the initial commits and establish a > framework for ongoing testing, because we've seen cases recently where > things as simple as structure alignment changes can have >30% we have set asside a step to confirm this.. but initial testing has shown no impact. > performance impact, so if it's not entirely a NOP then there is still > potential for trouble. > > Kris