Date: Tue, 11 Sep 2012 16:24:26 +0100 From: archibald <archibald@ethernull.org> To: <freebsd-x11@freebsd.org> Subject: Re: Ivy Bridge and Xorg 7.7 on i386 FreeBSD 9-1BETA: no hardware acceleration? Message-ID: <baa47926b7a78317bd06d99880c7fe88@ethernull.org> In-Reply-To: <504F4EEC.6070300@yandex.ru> References: <504F4EEC.6070300@yandex.ru>
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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
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