From owner-freebsd-virtualization@FreeBSD.ORG Mon Aug 18 08:30:06 2014 Return-Path: Delivered-To: freebsd-virtualization@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) (using TLSv1 with cipher ADH-AES256-SHA (256/256 bits)) (No client certificate requested) by hub.freebsd.org (Postfix) with ESMTPS id D48B7D1F; Mon, 18 Aug 2014 08:30:06 +0000 (UTC) Received: from mail-vc0-x22f.google.com (mail-vc0-x22f.google.com [IPv6:2607:f8b0:400c:c03::22f]) (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 8027A3A58; Mon, 18 Aug 2014 08:30:06 +0000 (UTC) Received: by mail-vc0-f175.google.com with SMTP id ik5so5341678vcb.20 for ; Mon, 18 Aug 2014 01:30:05 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :cc:content-type; bh=hJ1idKUR5hH/vj9jTbkOhdRp2lrepWX0mrPT+s+AY+U=; b=Jefh5mjayHMvGUaC5lBbj4y7v5I3jcKYnQgoKx4IEZtmfOCpVZqxhLfnuNkZy/BwGp 0tEwvA5shXnMLOGR0J/dTLLUPtUkZUtnrTGsHO2iPBi8N7urI6NLE5H3VXXUifCn5MhF WXgPOjAXhzK3RgeDCUp4vNc6oJPGTAMNvfMohlRLtltwTl00TX2UfX++5gSM9tsNfFDB k4B/kJ+vJJZiDnnzchzVkKqBXhzVK6XXuzyqGWMffV8pw+ZRcuPz6FsorrXsh/EIuI0s yUbv+PcUyJyP0D/sOFqmn8BOb824lTSVIH/1pfClkmMphbpNTO9mns+9b5J7ODrjSJtr BmnA== MIME-Version: 1.0 X-Received: by 10.52.146.194 with SMTP id te2mr21158096vdb.4.1408350605363; Mon, 18 Aug 2014 01:30:05 -0700 (PDT) Received: by 10.53.3.139 with HTTP; Mon, 18 Aug 2014 01:30:05 -0700 (PDT) In-Reply-To: References: Date: Mon, 18 Aug 2014 12:30:05 +0400 Message-ID: Subject: Re: vt(4) performance on Hyper-V From: Pavel Timofeev To: Luigi Rizzo Content-Type: text/plain; charset=UTF-8 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 08:30:06 -0000 Wow, thank you! It helped. Sorry for the noise, it's even written in man vt. 2014-08-18 12:25 GMT+04:00 Luigi Rizzo : > > > > 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=62CIKCJ7bog >> > > i think you need to put the following in /boot/loader.conf > > hw.vga.textmode=1 > > otherwise it is very slow even on bare metal. > > cheers > luigi > > >> >> 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" > > > > > -- > -----------------------------------------+------------------------------- > 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) > -----------------------------------------+-------------------------------