Re: [gentoo-user] DRI doesn't work with xorg 7.4 and an intel chipset Q35 board

[Andrew Gaydenko]

On Friday 27 March 2009 10:17:49 Wolfgang.Liebich@×××××××.com wrote:
> Hi,
> I've a (somewhat new) computer with an intel Q35 chipset graphics.
> Until yesterday I ran the stable xorg-x11 version, with USE=dri and
> USE=opengl enabled.
> BUT as soon as I started a program which wanted to do something with
> OpenGL (like google earth, amarok with openGL use flag, or just
> glxgears),
> the xorg-xserver crashed. Absolutely reliably.
>
> I found a comment about the incomplete support for openGL/dri for i915
> graphic cards in the stable xorg driver, so I upgraded to xorg-x11 7.4
> (with a whole lot of unmasking).
>
> Now I don't get a crash, BUT still dri don't work (didn't work earlier
> on, too - but I have no traces).
>
> I've loaded the drm module with debug=1, and found the syslog messages
> (snipped):
> [drm:i915_getparam] *ERROR* Unknown parameter 5
> and
>
> [drm:i915_initialize] *ERROR* can not ioremap virtual address for ring
> buffer
>
> In Xorg.0.log I found following warnings and errors:
> (WW) intel(0): libpciaccess reported 0 rom size, guessing 64kB
> and
> (EE) intel(0): I830 Dma Initialization Failed
>
> I've tried both XAA and EXA - didn't change a thing.
>
> I've upgraded to 2.6.27-gentoo-r10 - no change.
> xdriinfo says:
> $xdriinfo
> Screen 0: not direct rendering capable.
>
> BUT:
>
> $ glxinfo
> name of display: :0.0
> display: :0  screen: 0
>
> direct rendering: Yes
>
> What can I do now?
> What is going on here???
>
> Puzzled,
> Wolfgang

I'm not an x11 guru (also strugglimg with x from time to time), but if I 
understand well, there are important things in last kernels to support intel 
cards (mesa and kernel must be in sync some way).