From owner-freebsd-xen@FreeBSD.ORG Thu Jul 21 03:43:05 2011 Return-Path: Delivered-To: freebsd-xen@freebsd.org Received: from mx2.freebsd.org (mx2.freebsd.org [IPv6:2001:4f8:fff6::35]) by hub.freebsd.org (Postfix) with ESMTP id 48E9E106564A for ; Thu, 21 Jul 2011 03:43:05 +0000 (UTC) (envelope-from cperciva@freebsd.org) Received: from xps.daemonology.net (freefall.freebsd.org [IPv6:2001:4f8:fff6::28]) by mx2.freebsd.org (Postfix) with SMTP id E8D9814DABE for ; Thu, 21 Jul 2011 03:43:04 +0000 (UTC) Received: (qmail 79264 invoked from network); 21 Jul 2011 03:43:04 -0000 Received: from unknown (HELO xps.daemonology.net) (127.0.0.1) by localhost with SMTP; 21 Jul 2011 03:43:04 -0000 Message-ID: <4E27A048.1070405@freebsd.org> Date: Wed, 20 Jul 2011 20:43:04 -0700 From: Colin Percival User-Agent: Mozilla/5.0 (X11; U; FreeBSD amd64; en-US; rv:1.9.1.16) Gecko/20101220 Thunderbird/3.0.11 MIME-Version: 1.0 To: Scott Burns References: <4E275BC1.9040508@bqinternet.com> In-Reply-To: <4E275BC1.9040508@bqinternet.com> X-Enigmail-Version: 1.0.1 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Cc: freebsd-xen@freebsd.org Subject: Re: Xen save/resume with XENHVM kernel X-BeenThere: freebsd-xen@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Discussion of the freebsd port to xen - implementation and usage List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 21 Jul 2011 03:43:05 -0000 On 07/20/11 15:50, Scott Burns wrote: > I see in sys/dev/xen/blkfront/blkfront.c that the blkfront_resume() > function is not implemented, and there are also some notes about it in > blkif_recover(). Is anyone currently working on this? Is there a hack > I could use to get live migration working, even if it's not under ideal > conditions? I'm not aware of any ongoing work on this. Most of the places where FreeBSD is being used with Xen don't use live migration. -- Colin Percival Security Officer, FreeBSD | freebsd.org | The power to serve Founder / author, Tarsnap | tarsnap.com | Online backups for the truly paranoid