On 1/25/06, Gilboa Davara <gilboad@xxxxxxxxx> wrote:
On Wed, 2006-01-25 at 12:13 +0530, Ankur Nayak wrote:
> Hi,
> I am having problems running 3-d applications on my system. I have fc3
> installed on a p4 2.4ghz intel 865 m/b with 32 mb inbuilt graphics
> memory. Eearlier my 3-d applications were running fine. But, recently
> I installed nvidia drivers to test my friend's new graphics card and
> it was working fine. I had made changes to xorg.conf to enable the
> drivers. Now, I dont have the graphics card anymore and I restored my
> xorg.conf back. But now graphics is not working for me. On starting
> "glxgears", I get the following errors...
> ---
> Xlib: extension "GLX" missing on display ":0.0".
> glxgears: Error: couldn't get an RGB, Double-buffered visual.
> ---
>
> This is my xorg.conf file
>
> # Xorg configuration created by system-config-display
>
> Section "ServerLayout"
> Identifier "single head configuration"
> Screen 0 "Screen0" 0 0
> InputDevice "Mouse0" "CorePointer"
> InputDevice "Keyboard0" "CoreKeyboard"
> EndSection
>
> Section "Files"
>
> # RgbPath is the location of the RGB database. Note, this is the name
> of the
> # file minus the extension (like ".txt" or ".db"). There is normally
> # no need to change the default.
> # Multiple FontPath entries are allowed (they are concatenated
> together)
> # By default, Red Hat 6.0 and later now use a font server independent
> of
> # the X server to render fonts.
> RgbPath "/usr/X11R6/lib/X11/rgb"
> FontPath "unix/:7100"
> EndSection
>
> Section "Module"
> Load "dbe"
> Load "extmod"
> Load "fbdevhw"
> Load "glx"
> Load "record"
> Load "freetype"
> Load "type1"
> Load "dri"
> EndSection
>
> Section "InputDevice"
>
> # Specify which keyboard LEDs can be user-controlled (eg, with
> xset(1))
> # Option "Xleds" "1 2 3"
> # To disable the XKEYBOARD extension, uncomment XkbDisable.
> # Option "XkbDisable"
> # To customise the XKB settings to suit your keyboard, modify the
> # lines below (which are the defaults). For example, for a non-U.S.
> # keyboard, you will probably want to use:
> # Option "XkbModel" "pc102"
> # If you have a US Microsoft Natural keyboard, you can use:
> # Option "XkbModel" "microsoft"
> #
> # Then to change the language, change the Layout setting.
> # For example, a german layout can be obtained with:
> # Option "XkbLayout" "de"
> # or:
> # Option "XkbLayout" "de"
> # Option "XkbVariant" "nodeadkeys"
> #
> # If you'd like to switch the positions of your capslock and
> # control keys, use:
> # Option "XkbOptions" "ctrl:swapcaps"
> # Or if you just want both to be control, use:
> # Option "XkbOptions" "ctrl:nocaps"
> #
> Identifier "Keyboard0"
> Driver "kbd"
> Option "XkbModel" "pc105"
> Option "XkbLayout" "us"
> Option "XkbOptions" "ctrl:swapcaps"
> EndSection
>
> Section "InputDevice"
> Identifier "Mouse0"
> Driver "mouse"
> Option "Protocol" "IMPS/2"
> Option "Device" "/dev/input/mice"
> Option "ZAxisMapping" "4 5"
> Option "Emulate3Buttons" "yes"
> EndSection
>
> Section "Monitor"
>
> #DisplaySize 310 230
> Identifier "Monitor0"
> VendorName "Monitor Vendor"
> ModelName "SyncMaster"
> DisplaySize 330 250
> HorizSync 30.0 - 71.0
> VertRefresh 50.0 - 160.0
> Option "dpms"
> EndSection
>
> Section "Device"
> Identifier "Videocard0"
> Driver "i810"
> VendorName "Videocard vendor"
> BoardName "Intel 865"
> EndSection
>
> Section "Screen"
> Identifier "Screen0"
> Device "Videocard0"
> Monitor "Monitor0"
> DefaultDepth 24
> SubSection "Display"
> Viewport 0 0
> Depth 16
> Modes "800x600" "640x480"
> EndSubSection
> SubSection "Display"
> Viewport 0 0
> Depth 24
> Modes "1280x1024" "1280x960" "1152x864" "1024x768"
> "800x600" "640x480"
> EndSubSection
> EndSection
>
> Section "DRI"
> Group 0
> Mode 0666
> EndSection
> ----------
>
>
> Any help will be appreciated
>
> Thanks,
> Ankur
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Try removing the 24bit settings.
"Depth 24
Modes "1280x1024" "1280x960" "1152x864" "1024x768" "800x600"
"640x480""
At least in my case, 3D DRI is only enabled if color depth <= 16bit.
Gilboa
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