some 3D weirdness - Intel 915

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Hi to all,

I have some troubles about 3d rendering. My hardware:

00:02.0 VGA compatible controller: Intel Corporation Mobile 915GM/GMS/910GML Express Graphics Controller (rev 04)

Software:

2.6.25.6-55.fc9.i686 (last kernel on F9).

Packages:

xorg-x11-server-common-1.4.99.902-3.20080612.fc9.i386
mesa-libGLU-7.1-0.35.fc9.i386 (updates-testing)
mesa-libGL-7.1-0.35.fc9.i386 (updates-testing)


------------------------------------------------------

xorg.conf:

# Xorg configuration created by pyxf86config

Section "ServerLayout"
        Identifier     "Default Layout"
        Screen      0  "Screen0" 0 0
        InputDevice    "Keyboard0" "CoreKeyboard"
EndSection

Section "InputDevice"
# keyboard added by rhpxl
        Identifier  "Keyboard0"
        Driver      "kbd"
        Option      "XkbModel" "pc105"
        Option      "XkbLayout" "it"
EndSection

Section "Device"
        Identifier  "Videocard0"
        Driver      "intel"
#       Option "AccelMethod" "exa"
#       Option "MigrationHeuristic" "greedy"
#       Option "ExaNoComposite" "false"
EndSection

Section "Screen"
        Identifier "Screen0"
        Device     "Videocard0"
        DefaultDepth     24
        SubSection "Display"
                Viewport   0 0
                Depth     24
        EndSubSection
EndSection

----------------------------------------------------------

With this configuration, Compiz is fine. Also some programs, as stellarium, are ok. But different 3D software does not render properly, in particular

google earth, neither 4.2 or 4.3 version (4.2 was fine in F8, even if there were some glitches)

celestia, displays images only when "static": if I move viewpoints by dragging mouse, there is nothing displayed.

I have googled, but I did not find something helpful. Even if I activate the options in xorg.conf

#       Option "AccelMethod" "exa"
#       Option "MigrationHeuristic" "greedy"
#       Option "ExaNoComposite" "false"

there is no improvement.

Some hints ? Thanks,

Andrea

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