From owner-freebsd-xen@freebsd.org Thu Feb 4 17:00:43 2016 Return-Path: Delivered-To: freebsd-xen@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 03E55A9BD21; Thu, 4 Feb 2016 17:00:43 +0000 (UTC) (envelope-from gerd.hafenbrack@gmail.com) Received: from mail-lf0-x22e.google.com (mail-lf0-x22e.google.com [IPv6:2a00:1450:4010:c07::22e]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (Client CN "smtp.gmail.com", Issuer "Google Internet Authority G2" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 955F813C3; Thu, 4 Feb 2016 17:00:42 +0000 (UTC) (envelope-from gerd.hafenbrack@gmail.com) Received: by mail-lf0-x22e.google.com with SMTP id 78so40394986lfy.3; Thu, 04 Feb 2016 09:00:42 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=subject:to:references:from:message-id:date:user-agent:mime-version :in-reply-to:content-type:content-transfer-encoding; bh=CvPqgwDgVFXy5/1A50KaO3wDd+Q/zFSud6lzREAOfiQ=; b=OnZwhSIjx8s/8ybABIiXYMMQa5BRE9U0RMvpEs+5AM46SlLo1ENcaCMCHwANeznnM/ f0EJ/WfsS1/KE76B3m6gAzB7pOt6b11Bwx/eQwr2Dj8unx9XGT3Wkwe0zsr1zKbTkHOX Cwajw1+84nOD+BCaxtbFic1zn/KisV/tIWogDGsj1u6sR0Musn5w26t7P//OqtAuflPz dcKKEdmV3I92NMdQFvMIG/9oJUpb+dweSPBaPChDQhWxUbJUvE7xdJMStpecXWMlrASp WYojp/2LW825S2XTNxu1hnXt89xEb5T8v6NbJ8Dcv/qwvbPB8EFdBZB3U/h6kXG/fxfO 0tYA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:subject:to:references:from:message-id:date :user-agent:mime-version:in-reply-to:content-type :content-transfer-encoding; bh=CvPqgwDgVFXy5/1A50KaO3wDd+Q/zFSud6lzREAOfiQ=; b=YY6ruPZtH60xS4VPptzQNi/rFIkCzzzcfd0Rn+XhPRu2+uJ/oLO4cx7IqpUbId4D+h QIzNpSr4FNbghQTkzhRAy8v/i5fMGw1vSr+oeTXGA/fdAb9LRqT9gj+dkvtnbBnwR3Li jyROoD7DFtz6S6wEbLrsc35/T0y4seMaVf9N76dpFD/SWAodvjLfOgbrZvoQpfERPxbN WqojJPYtLz9w4KGX9hjbLG1MvUJso9FfPVWMdtF8c8XyyLcLibE+pF1g+xOX7gLW1o9K fCD7Sufyt7+95kOwPVNA0HMysLJ1G5wfDL2VzhJUbB0AXvMUNDiu05AwOyy0RB46kdgz 5EgQ== X-Gm-Message-State: AG10YOSweucJIU80/BytxVAcF4UEGBKSBx2fQKD4csBbcyg/p6WbJcWUGhZIda4pb9kBJA== X-Received: by 10.25.39.134 with SMTP id n128mr4172509lfn.54.1454605240733; Thu, 04 Feb 2016 09:00:40 -0800 (PST) Received: from [192.168.2.103] (ipservice-092-209-164-142.092.209.pools.vodafone-ip.de. [92.209.164.142]) by smtp.googlemail.com with ESMTPSA id k3sm1659424lbp.9.2016.02.04.09.00.39 (version=TLSv1/SSLv3 cipher=OTHER); Thu, 04 Feb 2016 09:00:40 -0800 (PST) Subject: Re: AMD CPUs To: freebsd-xen@freebsd.org, freebsd-virtualization@freebsd.org References: <56B32F11.7050100@gmail.com> <56B34238.2070804@citrix.com> From: Gerd Hafenbrack Message-ID: <56B383B6.20100@gmail.com> Date: Thu, 4 Feb 2016 18:00:38 +0100 User-Agent: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:38.0) Gecko/20100101 Thunderbird/38.5.1 MIME-Version: 1.0 In-Reply-To: <56B34238.2070804@citrix.com> Content-Type: text/plain; charset=windows-1252 Content-Transfer-Encoding: 8bit X-BeenThere: freebsd-xen@freebsd.org X-Mailman-Version: 2.1.20 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, 04 Feb 2016 17:00:43 -0000 On 2016-02-04 13:21, Roger Pau Monné wrote: > El 4/2/16 a les 11:59, Gerd Hafenbrack ha escrit: >> Hello, >> >> I read on http://wiki.xen.org/wiki/FreeBSD_Dom0 the following: >>> ... to run a FreeBSD PVH Dom0 an Intel box with EPT and a working IOMMU is required. >> >> Why only intel and not an AMD CPU with Rapid Virtualization Indexing >> (RVI) and IOMMU as well? > > There's no technical reason on why this was done this way. It's just > that the original PVH implementation inside of Xen was badly designed, > and one of the results is the lack of support on AMD hardware. This is > not related to FreeBSD at all, Linux has the same exact problem. > > I'm (together with other people) currently working on removing this (and > other) stupid limitation by doing a proper implementation of PVH inside > of Xen. This new implementation is ATM called HVMlite. Sadly I can not > yet provide an ETA on when this is going to be finished. Once HVMlite is > finished inside of Xen FreeBSD will hopefully be able to run on AMD > hardware just like it does on Intel one. I will do a HEADS UP once this > is in testing state. > > Roger. Thx. I have to use an AMD box. In the meantime: bhyve? Already mature enough? or VirtualBox?