Ivy Bridge and Xorg 7.7 on i386 FreeBSD 9-1BETA: no hardware acceleration?

[archibald]

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