From owner-freebsd-stable@FreeBSD.ORG Fri Oct 24 09:46:53 2014 Return-Path: Delivered-To: freebsd-stable@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [8.8.178.115]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by hub.freebsd.org (Postfix) with ESMTPS id 5B3855A7 for ; Fri, 24 Oct 2014 09:46:53 +0000 (UTC) Received: from mail-qg0-x231.google.com (mail-qg0-x231.google.com [IPv6:2607:f8b0:400d:c04::231]) (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 1932F37C for ; Fri, 24 Oct 2014 09:46:53 +0000 (UTC) Received: by mail-qg0-f49.google.com with SMTP id e89so641840qgf.22 for ; Fri, 24 Oct 2014 02:46:52 -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:content-transfer-encoding; bh=9vVuGvb11vSrJCb83owLtClgr9T4yRjuCYvQDsRYVdo=; b=nd9G8G0DtnmPiFhR+M7msfsXS88eloLGPIizAYPzxrqi/zWWVnpLQbhokH5N8EcQpT ZFK2hXiUjnq7UWDOT+8mMeW112G8fTNzvHyE19/w4aQdu0samQTk+Ec4+bJe45TZ0T6A zgLTEH/Pnk4eEuGuEeHZUnnZbwX0h832PZ4hLSKL7s8G08Lta7mZXp7/8HipEdO4eXx3 DdeTeKdMlrRY3htTp3i2+ljxyFBTTsC3DI8Vzui1Y+z+t64BtRkB+EA8Jb/dr6mlXLa6 I7FgoznFP+4FFMp5/ML6qrEy391v5+56aJqvbf25aLvaO71ky9yeIS/Mtqud1NJmasW9 m1Jw== MIME-Version: 1.0 X-Received: by 10.170.199.138 with SMTP id q132mr4962516yke.17.1414144012223; Fri, 24 Oct 2014 02:46:52 -0700 (PDT) Received: by 10.140.220.7 with HTTP; Fri, 24 Oct 2014 02:46:52 -0700 (PDT) In-Reply-To: <54493E14.6000500@dumbbell.fr> References: <54451422.1070403@FreeBSD.org> <54451E2A.1020309@FreeBSD.org> <54493E14.6000500@dumbbell.fr> Date: Fri, 24 Oct 2014 11:46:52 +0200 Message-ID: Subject: Re: Removal of legacy X.Org (aka non-WITH_NEW_XORG) From: Zenny To: =?UTF-8?B?SmVhbi1Tw6liYXN0aWVuIFDDqWRyb24=?= Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: quoted-printable Cc: freebsd-stable@freebsd.org X-BeenThere: freebsd-stable@freebsd.org X-Mailman-Version: 2.1.18-1 Precedence: list List-Id: Production branch of FreeBSD source code List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 24 Oct 2014 09:46:53 -0000 On 10/23/14, Jean-S=C3=A9bastien P=C3=A9dron wrote: > On 23.10.2014 18:31, Adrian Chadd wrote: >> Would you be willing to conduct the power test without the GPUs >> installed? There may be something missing in FreeBSD and they may not >> be clocking down when idle. > > Our Radeon kernel driver doesn't support power management. This feature > was first added to Linux 3.11 (we're at 3.8) and was considered stable 3 > or 4 releases later. > > This means that, currently, the card's clock and voltage are the factory > boot-time defaults. For most cards, they are low and the card has poor > performance, compared to Windows/Linux. For a few exceptions, the card > is running at its maximum, leading to high temperatures and fans > spinning fast. Yep, this sounds to be the reason of the problem, I guess. > > -- > Jean-S=C3=A9bastien P=C3=A9dron > >