[vtkusers] Execution problem with Cone.java

[david e ignacio]

This is a problem with your XFree installation.  You need to have DRI
drivers for your video card installed and inserted or loaded into your
kernel, and then XFree DRI enabled in your XF86Config.  
To see if it is enabled already, while in an XSession, open a terminal
and run the command `glxinfo`, you want direct rendering to be 'Yes.' 
This just makes the rendering of your programs go faster by utilizing
direct rendering to/by your graphics card.  

Dave 

On Mon, 2004-02-16 at 09:59, Jarek Sacha wrote:
> gahidej at libertysurf.fr wrote:
> 
> >I have just install the vtklib (on a Unix System) on my
> >computer, and I would like to use it with java. I am
> >learning with the Cone.java exemple from the
> >Example/Tutorial.Step1/Java/Cone.java .
> >
> >Everything compile but at the execution the Cone turn only a
> >few seconds and the application stop with the Xlib Message :
> >
> >lib:  extension "XFree86-DRI" missing on display ":0.0".
> >
> >Is there any solutions ? Thanks for all.
> >  
> >
> First the Cone example is supposed to close the window after animation 
> is displayed. If you see a rotating cone on the  screen before window 
> closes. The example works fine.
> 
> The "...XFree86-DRI..." message is more of a warning then an error and 
> is most likely not related to VTK. I have a Fedora 1 Linux system with 
> NVidia card. Every time XFree86 libraries are updated this message comes 
> back (just got it again). This seems to be caused by some mismatch 
> between XFree86 and NVidia driver (from NVidia.com). There is more info 
> on that on Fedora or RedHat mailing lists. An "easy" fix is to force 
> reinstall of the NVidia driver using command:
> $ nvidia-installer -f
> This needs to be done as root and with X windows shut down. If this does 
> not work for in your case, you need to check Fedora or RedHat mailing 
> list, or whatever OS you are using, for alternative approaches.
> 
> Jarek
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