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https://bugs.freedesktop.org/show_bug.cgi?id=3956          
     
           Summary: Crash in DRI programs: "User called no-op dispatch
                    function (an unsupported extension function?)"
           Product: DRI
           Version: DRI CVS
          Platform: PC
        OS/Version: Linux
            Status: NEW
          Severity: critical
          Priority: P2
         Component: General
        AssignedTo: [email protected]
        ReportedBy: [EMAIL PROTECTED]


When trying to play the game gl-117 and after setting LIBGL_DEBUG=verbose I 
get this in the console: 
 
Info: Found gl-117 data directory /usr/share/games/gl-117 
Info: Startup gl-117, V1.3 ... 
Info: Loading /home/durr/.gl-117/conf 
Info: Saving /home/durr/.gl-117/conf 
Info: Loading /home/durr/.gl-117/conf.interface 
Info: Saving /home/durr/.gl-117/conf.interface 
Info: Using SDL and GLUT 
libGL: XF86DRIGetClientDriverName: 6.5.6 mach64 (screen 0) 
libGL: OpenDriver: trying /usr/X11R6/lib/modules/dri/mach64_dri.so 
drmOpenByBusid: Searching for BusID pci:0000:01:00.0 
drmOpenDevice: node name is /dev/dri/card0 
drmOpenDevice: open result is 6, (OK) 
drmOpenByBusid: drmOpenMinor returns 6 
drmOpenByBusid: drmGetBusid reports pci:0000:01:00.0 
Info: Using SDL_mixer 
Info: No joystick found 
Mesa 6.3.1 implementation error: User called no-op dispatch function (an 
unsupported extension function?) 
Please report at bugzilla.freedesktop.org 
 
(error message repeated many times) 
 
Also, glxgears crashes with "Segmentation fault" 
 
I have an ATI Rage Mobility-M AGP 2X (Mach64 chipset). DRI, Mesa and  DRM was 
compilled following http://dri.freedesktop.org/wiki/Building. 
 
On earlier buildings I had no problems with DRI. 
 
The problem may be partially solved in this way: 
 
After install xorg, and before install Mesa, I made a copy the  
file /usr/X11R6/lib/modules/dri/mach64_dri.so to a temporary folder. This  
file was isntalled when I installed xorg, and would be overwritten when  
installing Mesa. After fimishing the whole compile-install procedure, I copied 
the file mach64_dri.so made by xorg, which I had put  before  
in a temporary folder, to /usr/X11R6/lib/modules/dri/ overwriting the one  
installed when installing Mesa. The result  was that I got again direct  
rendering. Great, by with lower speed than with earlier compilations of CVS  
(but higher than with indirect rendering).  
 
The DRI release where I got this is: 
 
X Window System Version 6.8.99.900 (6.9.0 RC 0) (Minimal DRI build from X.org 
tree) 
Release Date: 01 August 2005 + cvs 
X Protocol Version 11, Revision 0, Release 6.8.99.900          
     
     
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