Intel G965, Xorg7.1 and i810 driver

[Luca Dionisi]

Hi all

I was not able to make Xorg 7.1 work with the i810 driver
in a G965 chipset.

I use a Linux From Scratch system.

I've built a 2.6.18.1 kernel, with:
- modules support

- /dev/agpgart (AGP Support) as a module
- Intel 440LX/BX/GX, I8xx and E7x05 chipset support

- Direct Rendering Manager (XFree86 4.1.0 and higher
      DRI support) as a module
- Intel 830M, 845G, 852GM, 855GM, 865G
  - i915 driver

in graphics support:
- Intel 810/815 support (EXPERIMENTAL) (as i810fb
     module)
- Intel 830M/845G/852GM/855GM/865G support
    (EXPERIMENTAL) (as intelfb module)

When I boot, dmesg has no lines about agpgart.
If I do "modprobe agpgart" it says:
      Linux agpgart interface v0.101 (c) Dave Jones
But then, anyway, there isn't the file /dev/agpgart.


I've built Xorg following the BLFS instructions:
Xorg proto
Xorg utils
Xorg lib
Xbitmaps
libdrm
MesaLib 6.5
Xorg app
Xorg data
Xorg fonts
luit
Xorg xserver
Xorg drivers

Then I upgraded to driver i810 version 1.7.2

When I start X in 1280x1024 it fails, with this messages
(among others) in the log:
...
(--) Chipset 965G found
...
(EE) GARTInit: Unable to open /dev/agpgart
    (No such file or directory)
(WW) I810(0): /dev/agpgart is either not available, or no
    memory is available
for allocation.  Using pre-allocated memory only.
(--) I810(0): Pre-allocated VideoRAM: 7676 kByte
(--) I810(0): VideoRAM: 7676 kByte
...
(EE) I810(0): Failed to allocate framebuffer.
     Is your VideoRAM set too low ??


If I try with 800x600 it works. DRI is not working
neither at 800x600, but that's another problem.


I attach xorg.conf and xorg.0.log


Any help greatly appreciated.

--Luca
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