[vtkusers] VTK Offscreen rendering

[somesh]

Sorry for the noise. I guess I wasn't diligent enough in going through
Google. This fixed it:

http://www.vtk.org/pipermail/vtkusers/2011-July/117577.html


*C*onfessions, *O*bsessions, Beliefs, *W*ishes, *E*nigma, *B*attles and
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On Fri, Apr 5, 2013 at 11:07 AM, somesh <somesh.bbt at gmail.com> wrote:

> Hi,
> I am trying to compile and run the offscreen rendering example
> @ http://www.vtk.org/Wiki/VTK/Examples/Cxx/Utilities/OffScreenRendering
>
> The program compiles fine, however seg faults on running.
>
> The trace in the core is :
> Core was generated by `./OffScreenRendering'.
> Program terminated with signal 11, Segmentation fault.
> #0  __rawmemchr_ia32 () at
> ../sysdeps/i386/i686/multiarch/../../rawmemchr.S:116
> 116 ../sysdeps/i386/i686/multiarch/../../rawmemchr.S: No such file or
> directory.
> (gdb) where
> #0  __rawmemchr_ia32 () at
> ../sysdeps/i386/i686/multiarch/../../rawmemchr.S:116
> #1  0xb6f01922 in _IO_str_init_static_internal (sf=0xbff3d100, ptr=0x0,
>     size=0, pstart=0x0) at strops.c:45
> #2  0xb6ef52f7 in _IO_vsscanf (string=0x0, format=0x872097e "%d.%d",
>     args=0xbff3d1d8 "\004\322\363\277\b\322\363\277\b") at iovsscanf.c:44
> #3  0xb6ee265b in __sscanf (s=0x0, format=0x872097e "%d.%d") at sscanf.c:34
> #4  0x0840c2c8 in vtkOpenGLExtensionManager::ReadOpenGLExtensions() ()
> #5  0x0840bd01 in vtkOpenGLExtensionManager::Update() ()
> #6  0x0840ba17 in vtkOpenGLExtensionManager::ExtensionSupported(char
> const*) ()
> #7  0x08378011 in vtkOpenGLRenderWindow::OpenGLInitContext() ()
> #8  0x083767b3 in vtkOpenGLRenderWindow::OpenGLInit() ()
> #9  0x083a5da4 in vtkXOpenGLRenderWindow::Initialize() ()
> #10 0x083a11c3 in vtkXOpenGLRenderWindow::Start() ()
> #11 0x08342d15 in vtkRenderWindow::DoStereoRender() ()
> #12 0x08343a05 in vtkRenderWindow::DoFDRender() ()
> #13 0x08344138 in vtkRenderWindow::DoAARender() ()
> #14 0x08342ff5 in vtkRenderWindow::Render() ()
> #15 0x083a14f8 in vtkXOpenGLRenderWindow::Render() ()
> #16 0x081ae696 in main ()
>
>
> Does anyone have any idea on why this may be happening ?
>
>
> Thanks,
> Somesh
>
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