[vtkusers] VTK OPENGL UBUNTU NVIDIA error

[burlen]

> vtkRenderingOpenGLCxx-LoadOpenGLExtension ...***Exception: SegFault  0.21 sec
Perhaps you've linked libraries from multiple drivers? I've seen this 
test segv when two GL libs are mixed, the render context is invalid and 
glGetString returns NULL. In that case it's not a bug in VTK but rather 
a build issue since you should only be using a single OpenGL library.

Could you report the output of

grep ^OPENGL_ CMakeCache.txt

If you haven't already rm your build re-configure and re make. you 
should do this after any changes to the open gl drivers.

On 08/29/2013 10:47 AM, Jose Ignacio Prieto wrote:
> The issue is 0014254 <http://www.vtk.org/Bug/view.php?id=14254>
>
>
> On Thu, Aug 29, 2013 at 12:51 PM, burlen <burlen.loring at gmail.com 
> <mailto:burlen.loring at gmail.com>> wrote:
>
>     Jose,
>
>     with all of your driver woes I think it's likely that you're
>     unintentionally using Ubuntu's Mesa libGL rather than NVIDIA's. At
>     least this will explain the error report below.
>
>     Mesa, depending on release version and renderer, has some bugs
>     that prevent this class from working correctly and some or all of
>     the vtkOpenGLGPUVolumeRayCastMapper ctests fail. That's why the
>     class has been disabled if the driver is Mesa.
>
>     To confirm which driver you're using include the output from
>
>     ctest -R LoadOpenGLExt --verbose
>
>     Please include this in your bug report.
>
>     Burlen
>
>
>     On 08/29/2013 08:27 AM, David E DeMarle wrote:
>>     Yes please file a bug on mantis at
>>     http://vtk.org/Bug/my_view_page.php.
>>
>>     In the report, please fill in the whatever error messages you can
>>     and point out that
>>     commit 520ba015c0b7a451242d0712bd60fd953aa9dfcf was the likely
>>     culprit.
>>
>>     thanks
>>
>>     David E DeMarle
>>     Kitware, Inc.
>>     R&D Engineer
>>     21 Corporate Drive
>>     Clifton Park, NY 12065-8662
>>     Phone: 518-881-4909 <tel:518-881-4909>
>>
>>
>>     On Thu, Aug 29, 2013 at 11:20 AM, Jose Ignacio Prieto
>>     <joseignacio.prieto at gmail.com
>>     <mailto:joseignacio.prieto at gmail.com>> wrote:
>>
>>         I finally installed and uninstall nvidia drivers and xorg and
>>         nothing worked. Then I realized that the conflicting file
>>         Rendering/volumeopengl/vtkopenglgpuvolumeraycasmapper.cxx was
>>         modified 8 days ago. I switched back from head to v.6.0.0 and
>>         it worked again.
>>         I don't know how to report bugs the institutional way. I will
>>         try to assign a mantis ticket later.
>>
>>
>>         On Wed, Aug 28, 2013 at 2:44 PM, Jose Ignacio Prieto
>>         <joseignacio.prieto at gmail.com
>>         <mailto:joseignacio.prieto at gmail.com>> wrote:
>>
>>             Hi, I know this is not exactly vtk but I hope you can get
>>             my opengl error. I made a mistake updating a driver and
>>             now I have no idea how to solve it.
>>             I got interested in trying itk filters solved through
>>             gpu, so I installed CUDA following this link:
>>             http://docs.nvidia.com/cuda/cuda-getting-started-guide-for-linux/index.html#package-manager-installation
>>             Then I realized they were useless so I built a new set of
>>             vtk6.1+itk4.5+qt4.8.5. The problem is that my old files
>>             compiled with vtk6.1+itk4.5+qt4.8.4 don't work anymore.
>>             Specifically I had a volume rendered with
>>             vtkGPUVolumeRayCastMapper and now it shows an error
>>
>>             ERROR: In
>>             /home/cib/Source/Vtk6/Rendering/VolumeOpenGL/vtkOpenGLGPUVolumeRayCastMapper.cxx,
>>             line 4101
>>
>>             vtkOpenGLGPUVolumeRayCastMapper (0x7299be0): Rendering
>>             failed because the following OpenGL extensions are
>>             required but not supported:
>>
>>
>>             I have installed-uninstalled nvidia drivers many times
>>             but I have no clue on what is going on. Seems that it
>>             changed /usr/local/x86.../libGL.so and libGLU.so
>>             I am using ubuntu 12.4, my graphics card is nvidia
>>             geforce 9800 and qt 4.8.5
>>
>>             Thank you very much!
>>
>>
>>             -- 
>>             José Ignacio Prieto
>>             celular(nuevo): 94348182
>>
>>
>>
>>
>>         -- 
>>         José Ignacio Prieto
>>         celular(nuevo): 94348182
>>
>>         _______________________________________________
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>>
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>>
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>>
>>
>>
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>>
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>>
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>
>
>
>
> -- 
> José Ignacio Prieto
> celular(nuevo): 94348182

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