From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from lists.gentoo.org (pigeon.gentoo.org [208.92.234.80]) by finch.gentoo.org (Postfix) with ESMTP id 2E4091397F2 for ; Sun, 23 Aug 2015 03:53:52 +0000 (UTC) Received: from pigeon.gentoo.org (localhost [127.0.0.1]) by pigeon.gentoo.org (Postfix) with SMTP id 1F8FE14239; Sun, 23 Aug 2015 03:53:45 +0000 (UTC) Received: from mail-wi0-f180.google.com (mail-wi0-f180.google.com [209.85.212.180]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by pigeon.gentoo.org (Postfix) with ESMTPS id E4C36141A8 for ; Sun, 23 Aug 2015 03:53:43 +0000 (UTC) Received: by wijp15 with SMTP id p15so48690172wij.0 for ; Sat, 22 Aug 2015 20:53:42 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=message-id:subject:from:to:date:in-reply-to:references:content-type :mime-version:content-transfer-encoding; bh=I9tAviTIkPB8x/fRz5Y9zRcx/hZ+MbUWfdAjOOQfqYs=; b=ziDoPfcAurnGwKfuciEqm+/8dlii4vd9CTkDG8XaO0y/XYdiUFymkh3f5oU2/YanBx 1UWsdDSnmpP66gZycYyRAMN/EqBHkQeB+VkMGiGJRA3nucvuiS3SLM25CK/fSQRicjDE +HvrxBE5iX9lkU9Os7dWTWmRncCl7vrQAGrqBtKM+jzMoCB9S6mbCTnFXCKB2LJ6Fz9c /0lwXuLlnl8A91m26n25C0pS5Qf5i4w2EKNWLl7wsoTixx7OL4O92U+2pUFfSzbe1H6g waq76eb6n0bQDLBm1l1+WR/Ru/fcVZvoB2zFRBMmaFtvlbBD8jRMSxHOZXSeXXDa9f1o ySSw== X-Received: by 10.180.80.138 with SMTP id r10mr17943683wix.18.1440302022678; Sat, 22 Aug 2015 20:53:42 -0700 (PDT) Received: from fedora.linux.gnu (dynamic-78-30-152-42.adsl.eunet.rs. [78.30.152.42]) by smtp.gmail.com with ESMTPSA id gj6sm9874859wib.22.2015.08.22.20.53.40 for (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Sat, 22 Aug 2015 20:53:41 -0700 (PDT) Message-ID: <1440302017.2869.2.camel@gmail.com> Subject: Re: [gentoo-user] Re: Anyone using xfce4 with compositing turned off? From: bitlord To: gentoo-user@lists.gentoo.org Date: Sun, 23 Aug 2015 05:53:37 +0200 In-Reply-To: <20150822190812.1829f217@a6> References: <20150819191820.6aa6d015@a6> <20150822040841.1ffe9595@hal9000.localdomain> <20150822190812.1829f217@a6> Content-Type: text/plain; charset="UTF-8" X-Mailer: Evolution 3.16.5 (3.16.5-2.fc22) Precedence: bulk List-Post: List-Help: List-Unsubscribe: List-Subscribe: List-Id: Gentoo Linux mail X-BeenThere: gentoo-user@lists.gentoo.org Reply-to: gentoo-user@lists.gentoo.org Mime-Version: 1.0 Content-Transfer-Encoding: 7bit X-Archives-Salt: 6000fc47-3a53-4731-8fcf-8577681d166c X-Archives-Hash: df591f50cb61049531e7396cd4cfeee5 On Sat, 2015-08-22 at 19:08 -0700, walt wrote: > On Sat, 22 Aug 2015 04:08:41 +0200 > wrote: > > > I'm using XFCE as DE and xfwm4 as WM. Since I bought a new GPU > > (Radeon > > R7 250), I don't use compositing any more because it causes tearing > > when I watch videos in fullscreen with 3840x2160. With this GPU I > > also had some random freezes when compositing was enabled. > > > > Beside this, performance is very good, regardless compositing is > > enabled or disabled. Scrolling text or moving windows around is a > > bit > > faster and smoother with compositing enabled, especially when other > > windows are in the foreground. > > > > With my old GPU (Radeon HD4550) I always had compositing enabled. > > Everything was smoother and I saw absolutely no glitches, but > > performance was also good with compositing disabled, just not quite > > as smooth as with > > I forgot about xf86-video-ati until you mentioned it, so I just > emerged > it and (I think) made all the changes needed to reconfigure Xorg to > use > it instead of fglrx. > > Maybe I'm just too tired right now to think straight, but the error > messages I see in Xorg.log tell me that my video chip is not > supported. > > But, in the process of switching to xf86-video-ati and then back > again > to fglrx I noticed this error message from xfwm4: > > "Error opening /dev/dri/card0: No such file or directory" > > Correct, I have no /dev/dri directory. Do you have one? > > For radeon (free driver) you need to configure more than Xorg, check wiki article about radeon driver [1], It needs in kernel support, also most cards especially "newer" (>=r600) need proprietary firmware. [1] https://wiki.gentoo.org/wiki/Radeon