From owner-freebsd-questions@freebsd.org Thu Sep 22 06:54:36 2016 Return-Path: Delivered-To: freebsd-questions@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 6FBDDBE4AAF for ; Thu, 22 Sep 2016 06:54:36 +0000 (UTC) (envelope-from ml@netfence.it) Received: from smtp207.alice.it (smtp207.alice.it [82.57.200.103]) by mx1.freebsd.org (Postfix) with ESMTP id 01BC1BB4 for ; Thu, 22 Sep 2016 06:54:35 +0000 (UTC) (envelope-from ml@netfence.it) Received: from soth.ventu (62.211.162.64) by smtp207.alice.it (8.6.060.28) (authenticated as acanedi@alice.it) id 57C7E4C003C71187; Thu, 22 Sep 2016 08:48:42 +0200 Received: from alamar.ventu (alamar.local.netfence.it [10.1.2.18]) by soth.ventu (8.15.2/8.15.2) with ESMTP id u8M6mfos081284; Thu, 22 Sep 2016 08:48:41 +0200 (CEST) (envelope-from ml@netfence.it) X-Authentication-Warning: soth.ventu: Host alamar.local.netfence.it [10.1.2.18] claimed to be alamar.ventu Subject: Re: OpenGL over X11/SSH To: Polytropon References: <2deff892-7ac3-e3e2-92fe-27e95f089ea0@netfence.it> <20160922051741.5092ccae.freebsd@edvax.de> Cc: "freebsd-questions@freebsd.org" From: Andrea Venturoli Message-ID: <15ee2107-8cdc-8d1a-4bb5-2765587453b0@netfence.it> Date: Thu, 22 Sep 2016 08:48:41 +0200 User-Agent: Mozilla/5.0 (X11; FreeBSD i386; rv:45.0) Gecko/20100101 Thunderbird/45.3.0 MIME-Version: 1.0 In-Reply-To: <20160922051741.5092ccae.freebsd@edvax.de> Content-Type: text/plain; charset=windows-1252; format=flowed Content-Transfer-Encoding: 7bit X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 22 Sep 2016 06:54:36 -0000 On 09/22/16 05:17, Polytropon wrote: > If I understand the messages correctly, the OpenGL output requires > direct rendering (DRM) instead of a software renderer. Ok, but why? Is this a requirement an X client can impose? An option in some port? A sysctl? ...? I see other programs giving the same message, but then proceed with software rendering. > The DRM/DRI > task is being performed directly on the hardware the program is > running on and maybe cannot be redirected to a remote X system. Being a headless server, I don't think I've enabled DRI on this box... I don't load any related kernel module and I don't even have an Xorg.conf. BTW, I forgot to mention this is 10.3/amd64. > The somehow direct access to the hardware maybe cannot be tunneled > over X11/SSH. Ok with this; I'd just like to avoid DRM/DRI at all. > The messages indicate that the DRM device cannot be > found and the r600 (Radeon?) driver cannot be loaded. There is no Radeon card on the headless box; the CPU is an i5 (with integrated GPU) and that's all. I've got a Radeon on the client (i.e. where the X server runs), but does this matter? > This is a quire early error of libGL. Sorry, I don't understand what you mean here. > On the other hand, if you use software rendering, it _should_ work. Exactly as I thought. So the question is: how do I force software rendering? bye & Thanks av.