From owner-freebsd-virtualization@FreeBSD.ORG Mon Aug 18 08:25:12 2014 Return-Path: Delivered-To: freebsd-virtualization@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [8.8.178.115]) (using TLSv1 with cipher ADH-AES256-SHA (256/256 bits)) (No client certificate requested) by hub.freebsd.org (Postfix) with ESMTPS id B7FF7ACF; Mon, 18 Aug 2014 08:25:12 +0000 (UTC) Received: from mail-lb0-x230.google.com (mail-lb0-x230.google.com [IPv6:2a00:1450:4010:c04::230]) (using TLSv1 with cipher ECDHE-RSA-RC4-SHA (128/128 bits)) (Client CN "smtp.gmail.com", Issuer "Google Internet Authority G2" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 019C33A1D; Mon, 18 Aug 2014 08:25:11 +0000 (UTC) Received: by mail-lb0-f176.google.com with SMTP id u10so3896354lbd.35 for ; Mon, 18 Aug 2014 01:25:09 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:sender:in-reply-to:references:date:message-id:subject :from:to:cc:content-type; bh=HW0AkLQBmqiBwNLOcz2clfM91+L5v1+XwcY0AG4mzHE=; b=j1qNzlMO4w0ESgsvpOZ0X01wgyPfQD6D78hOTM9uk3DG3ArjTRT+bMG/ZXUJ2Mp/jG 8UfegcF+r9doEZRpCxQ5zwKENPHlyxAdg16b3shfbWwaEsKpunEqAw5w4Oak/qedEzr6 tn2xcAOMM3N6qEqBFngfi5A8hu7/z4CFckxm/2GSUfVrd50KfoWnLoIcTtY5W6w9pkpd 6SYIz2APNXuKzeHIcFkNpHl3qYA8oQF5+JuChX+kSiWpvxjrH2MU8zgb/jTQ0uUT1jhm 4oLhRj7FgVTqyewZlEXPjzPKe7KPGjq9S8vTW7Xarf60WMT/lnojRvn4Ny9+f3vy6EzT 0EIw== MIME-Version: 1.0 X-Received: by 10.112.22.37 with SMTP id a5mr26565522lbf.76.1408350309334; Mon, 18 Aug 2014 01:25:09 -0700 (PDT) Sender: rizzo.unipi@gmail.com Received: by 10.114.244.2 with HTTP; Mon, 18 Aug 2014 01:25:09 -0700 (PDT) In-Reply-To: References: Date: Mon, 18 Aug 2014 10:25:09 +0200 X-Google-Sender-Auth: V-jquVYVGoDTc1gCa9zCQQhySzs Message-ID: Subject: Re: vt(4) performance on Hyper-V From: Luigi Rizzo To: Pavel Timofeev Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: quoted-printable X-Content-Filtered-By: Mailman/MimeDel 2.1.18-1 Cc: freebsd-stable stable , "freebsd-virtualization@freebsd.org" X-BeenThere: freebsd-virtualization@freebsd.org X-Mailman-Version: 2.1.18-1 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, 18 Aug 2014 08:25:12 -0000 On Mon, Aug 18, 2014 at 9:08 AM, Pavel Timofeev wrote: > Hi! > Just in case, just so you know. > I've tried FreeBSD 10-STABLE r270125 with vt(4) on Hyper-V (Win Server > 2012 DataCenter). > Its performance is extremely bad (while syscons is ok). > Here is video http://www.youtube.com/watch?v=3D62CIKCJ7bog > > =E2=80=8Bi think you need to put the following in /boot/loader.conf =E2=80=8B =E2=80=8B =E2=80=8B hw.vga.textmode=3D1 =E2=80=8Botherwise it is very slow even on bare metal. cheers luigi=E2=80=8B > P.S. vt(4) is a bit faster on VirtualBox though when I tried it last time= . > _______________________________________________ > freebsd-stable@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-stable > To unsubscribe, send any mail to "freebsd-stable-unsubscribe@freebsd.org" > --=20 -----------------------------------------+------------------------------- Prof. Luigi RIZZO, rizzo@iet.unipi.it . Dip. di Ing. dell'Informazione http://www.iet.unipi.it/~luigi/ . Universita` di Pisa TEL +39-050-2211611 . via Diotisalvi 2 Mobile +39-338-6809875 . 56122 PISA (Italy) -----------------------------------------+-------------------------------