Date: Wed, 12 Sep 2012 10:50:29 +0200 From: Luca Pizzamiglio <l.pizzamiglio@bally-wulff.de> To: "Yuri K. Shatroff" <yks-uno@yandex.ru> Cc: freebsd-x11@freebsd.org Subject: Re: Ivy Bridge and Xorg 7.7 on i386 FreeBSD 9-1BETA: no hardware acceleration? Message-ID: <50504CD5.1070202@bally-wulff.de> In-Reply-To: <504FA9DA.2080402@yandex.ru> References: <504F4EEC.6070300@yandex.ru> <baa47926b7a78317bd06d99880c7fe88@ethernull.org> <504FA9DA.2080402@yandex.ru>
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On 09/11/12 23:15, Yuri K. Shatroff wrote: > On 11.09.2012 19:24, archibald wrote: >> On 2012-09-11 15:47, Yuri K. Shatroff wrote: >>> Greetings x11@, >>> >>> I've got the same problem using Ivy Bridge HD4000 (with notorious >>> optimus). The DE (KDE4) is severely lagging and experiencing seconds' >>> delays in reaction to mouse/kbd events. So using the desktop is >>> practically impossible. In `top`, the Xorg process consumes up to 100% >>> CPU. >>> When I switch to VESA driver, there is no DE performance problem >>> (rendering and reactions almost instant, CPU usage by Xorg about >>> 6-10%). >>> I have exactly the same software versions installed on another PC but >>> with nvidia hardware and x11/nvidia-driver, and everything works there >>> fine, too. So I assume the problem is somewhere around drivers (either >>> xf86-video-intel, or Mesa layer, or the i1915kms module). >>> >>> My system is: >>> FreeBSD 9.1-PRERELEASE (GENERIC) #0 r240286: Mon Sep 10 14:27:33 MSK >>> 2012 >>> the latest Xorg from the xorg-dev trunk (xorg-server 1.12.4, >>> xf86-video-intel-2.20.4) >>> WITH_KMS=true >>> WITH_NEW_XORG=true >> >> What is the output of: >> $ xdriinfo >> and >> $ glxinfo | grep OpenGL >> >> (glxinfo is found in graphics/mesa-demos, xdriinfo is in x11/xdriinfo) >> >> archibald > > $ xdriinfo > Screen 0: i965 > $ glxinfo | grep OpenGL > OpenGL vendor string: Tungsten Graphics, Inc > OpenGL renderer string: Mesa DRI Intel(R) Ivybridge Mobile > OpenGL version string: 2.1 Mesa 8.0.4 > OpenGL shading language version string: 1.30 > OpenGL extensions: > > I'd be glad if that helps, looks like nothing special to me though > Hi Yuri, I tested KMS and NEW_XORG with BSD9 on SandyBridge and IvyBridge. I've spoken with @x11 guys on IRC and it seems that the problem is: a bit/knob is not recognized/enabled/activated. The problem could be everywhere: kernel driver, intel DDX driver, libdrm, mesa (libdri-libGL-ecc), ecc. That makes the problem hard to find. ioctl analysis told me nothing, no relevant ioctl error found. I guess the kernel driver could be not 100% up-to-date, so it misses some bits, some Ivybridge specific stuffs, but it's just a feeling. It's a hard topic. Everything is well recognized (you have also to force AIGLX activation, it's disabled by default with a patch in xorg-server), chip and mesa library and so on, BUT: if you test some mesa-demos, you could recognize that the swrast is used (engine, for instance, shows typical artifacts of the software raster), instead of the right one. With Sandybridge, no problem. Best regards, Luca
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