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From: David J Brooks <daeg@houston.rr.com>
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To: freebsd-questions@freebsd.org
Date: Wed, 12 Apr 2006 14:57:23 -0500
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Cc: fredthetree <fredthetree@gmail.com>
Subject: Re: Xlib: extension "GLX" missing on display ":0.0".
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On Wednesday 12 April 2006 14:03, fredthetree wrote:
> glx doesn't work. both glx and dri are in my xorg.conf, i'm using the nv
> driver, i have graphics/dri installed.
>
> [daniel@daniel ~]$ glxgears
> Xlib:  extension "GLX" missing on display ":0.0".
> glxgears: Error: couldn't get an RGB, Double-buffered visual.
>
>
> --
> [daniel@daniel ~]$ uname -a
> FreeBSD daniel.higham.ca 6.1-PRERELEASE FreeBSD 6.1-PRERELEASE #0: Fri Apr
> 7 23:44:35 ADT 2006    
> daniel@daniel.higham.ca:/usr/obj/usr/src/sys/MACHINE i386
> [daniel@daniel ~]$ pkg_info |grep dri
> dri-6.4.1,2         OpenGL hardware acceleration drivers for the DRI
>
> relevent bits of xorg.conf:
> Section "ServerLayout"
>         Identifier     "X.org Configured"
>         Screen      0  "Screen0" 0 0
>         InputDevice    "Mouse0" "CorePointer"
>         InputDevice    "Keyboard0" "CoreKeyboard"
> EndSection
>
> Section "Module"
>         Load  "dbe"
>         Load  "dri"
>         Load  "extmod"
>         Load  "glx"
>         Load  "record"
>         Load  "xtrap"
>         Load  "freetype"
>         Load  "type1"
> EndSection
>
> Section "Device"
>         ### Available Driver options are:-
>         ### Values: <i>: integer, <f>: float, <bool>: "True"/"False",
>         ### <string>: "String", <freq>: "<f> Hz/kHz/MHz"
>         ### [arg]: arg optional
>         #Option     "SWcursor"                  # [<bool>]
>         #Option     "HWcursor"                  # [<bool>]
>         #Option     "NoAccel"                   # [<bool>]
>         #Option     "ShadowFB"                  # [<bool>]
>         #Option     "UseFBDev"                  # [<bool>]
>         #Option     "Rotate"                    # [<str>]
>         #Option     "VideoKey"                  # <i>
>         #Option     "FlatPanel"                 # [<bool>]
>         #Option     "FPDither"                  # [<bool>]
>         #Option     "CrtcNumber"                # <i>
>         #Option     "FPScale"                   # [<bool>]
>         #Option     "FPTweak"                   # <i>
>         Identifier  "Card0"
>         Driver      "nv"
>         VendorName  "nVidia Corporation"
>         BoardName   "NV5M64 [RIVA TNT2 Model 64/Model 64 Pro]"
>         BusID       "PCI:1:0:0"
> EndSection

Try adding this section in /etc/X11/xorg.conf:
Section "DRI"
    Mode 0666
EndSection

HTH,
David
-- 
Sure God created the world in only six days,
but He didn't have an established user-base.