From owner-freebsd-current@freebsd.org Thu Sep 17 15:43:06 2015 Return-Path: Delivered-To: freebsd-current@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 4035C9CD271 for ; Thu, 17 Sep 2015 15:43:06 +0000 (UTC) (envelope-from n.pajkovsky@gmail.com) Received: from mail-wi0-x22f.google.com (mail-wi0-x22f.google.com [IPv6:2a00:1450:400c:c05::22f]) (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 C5D25143B for ; Thu, 17 Sep 2015 15:43:05 +0000 (UTC) (envelope-from n.pajkovsky@gmail.com) Received: by wicge5 with SMTP id ge5so124474108wic.0 for ; Thu, 17 Sep 2015 08:43:04 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=from:to:cc:subject:references:date:in-reply-to:message-id :user-agent:mime-version:content-type:content-transfer-encoding; bh=PHCO4BsgBzHrzwVuL9bSEPpd0f5fdshwkPbAxKnWcwo=; b=sQ0+5ct3ubdv38oFdbCNAvvIyrwHqp/hCIViIsvDm2evxuXMzpvGBTJBquOTaKpgCs BjyoVD4nWtA+964gEMYkcpQQb/ojWhM4de/k8EtUCR1Hprqj+WzYZMAeTR6eII9ZHgWR J1ITclHu5PRYGNaptA/RbsQdeqeGCZEDk3TMc3sQ2hyKp/tr9ovf6EPj6QhAdR0F5xmi xOWvm5p5OvtJHMTViCnoafatFnc+DOrU1Xq+RWWlNGY8HtOmUMi98sxoog+4U4qWwOa9 Z055xSohGEwVrJPEXxavdTjcmhJ3v5Wm4jDgLkzMTmKqOnvcPLoueO4Egr1OWfdzyoAA K53Q== X-Received: by 10.180.11.212 with SMTP id s20mr8918175wib.40.1442504584173; Thu, 17 Sep 2015 08:43:04 -0700 (PDT) Received: from localhost (gw-brno.gooddata.com. [194.213.40.134]) by smtp.gmail.com with ESMTPSA id fs2sm10702409wib.12.2015.09.17.08.43.02 (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Thu, 17 Sep 2015 08:43:02 -0700 (PDT) From: Nikola Pajkovsky To: Kris Moore Cc: freebsd-current@freebsd.org Subject: Re: Intel Haswell support - Any updates? References: <55FA7324.5010603@icloud.com> <09A515F2-44BA-4DF0-9792-D4C56EEB9D7C@FreeBSD.org> <114F22EF-61E3-4D75-84FB-9D6E3FBCB8F3@FreeBSD.org> <20150917131333.GN1247@egr.msu.edu> <20150917134809.GA3025@c720-r276659> <55FAD5EF.5030001@pcbsd.org> <20150917171958.046e4b6b.ohartman@zedat.fu-berlin.de> <55FADB38.7000406@pcbsd.org> Date: Thu, 17 Sep 2015 17:43:02 +0200 In-Reply-To: <55FADB38.7000406@pcbsd.org> (Kris Moore's message of "Thu, 17 Sep 2015 11:24:40 -0400") Message-ID: <87twqt2gs9.fsf@gooddata.com> User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/24.5 (gnu/linux) MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.20 Precedence: list List-Id: Discussions about the use of FreeBSD-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 17 Sep 2015 15:43:06 -0000 Kris Moore writes: > On 09/17/2015 11:19, O. Hartmann wrote: >> Am Thu, 17 Sep 2015 11:02:07 -0400 >> Kris Moore schrieb: >> >>> On 09/17/2015 09:48, Matthias Apitz wrote: >>>> El d=C3=ADa Thursday, September 17, 2015 a las 10:41:43PM +0900, Lundb= erg, Johannes >>>> escribi=C3=B3: >>>> >>>>> Same here. I would personally definitely buy new hardware from Intel = if >>>>> FreeBSD worked on it (not vesa...) >>>>> ... >>>> What dow you have against vesa? I run CURRENT on some Acer C720 >>>> Chromebooks with Haswell chipset in Vesa mode. And you will not note i= t. >>>> I have never ever had such a fast desktop (KDE4) before. I can live fi= ne >>>> with Vesa until Haswell suport is there. >>>> >>>> matthias >>> BTW, have you tried the xf86-video-scfb driver? It works much better >>> than vesa here. The only catch is you have to be booted UEFI with CSM >>> disabled. Using it on my X1 Carbon, gets 3k resolution properly and >>> everything. Thanks to Glen Barber for bringing that to my attention. >>> >> Running that specific driver on several Lenovo HD4600 driven models give= s me headaches >> and more. This software-framebuffer works - yes, on whatever resolution = you might wish, >> but it consumes CPU time. That said, I recall that the display was jumpy= , slow and >> unresponsive when used under heavy load - not even 3k resolution, but wi= th a moderate >> lowend of 1980x1080. > > Interesting, that's been the opposite of my experience here. Vesa was > much slower / using more CPU time and didn't give me the native > resolution. Switching to scfb made the laptop "usable" for me, at least > until we get a proper Intel driver that does Broadwell. Use memcontrol to set mtrr write-combine for your Vesa. Vesa is lightning fast on T440p on 1920x1200. --=20 Nikola