[Mesa-dev] VTK Offscreen Segfaults

[Kevin H. Hobbs]

On 08/04/2010 03:29 PM, tom fogal wrote:
>
> To workaround it, we tell VTK that the OpenGL library is OSMesa and the
> OSMesa library is libGL.  I would test that the above workaround works
> (i.e. you're hitting the same issue I did) before filing a bug.
>
> -tom
>   


With the the mesa libraries flipped :

OPENGL_gl_LIBRARY:FILEPATH=/home/kevin/mesa/lib/libOSMesa.so
OSMESA_LIBRARY:FILEPATH=/home/kevin/mesa/lib/libGL.so


I still get a segfault but now :


$ gdb /home/kevin/kitware/VTK_Build/bin/RenderingCxxTests
GNU gdb (GDB) Fedora (7.1-24.fc13)
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<http://www.gnu.org/software/gdb/bugs/>...
Reading symbols from
/home/kevin/kitware/VTK_Build/bin/RenderingCxxTests...done.
(gdb) run TestOSConeCxx -D /home/kevin/kitware/VTKData -T
/home/kevin/kitware/VTK_Build/Testing/Temporary -V
Baseline/Rendering/TestOSConeCxx.png
Starting program: /home/kevin/kitware/VTK_Build/bin/RenderingCxxTests
TestOSConeCxx -D /home/kevin/kitware/VTKData -T
/home/kevin/kitware/VTK_Build/Testing/Temporary -V
Baseline/Rendering/TestOSConeCxx.png
[Thread debugging using libthread_db enabled]
Mesa: Mesa 7.9-devel DEBUG build Aug  4 2010 15:25:34
Mesa warning: couldn't open libtxc_dxtn.so, software DXTn
compression/decompression unavailable
Mesa: Initializing x86-64 optimizations

Program received signal SIGSEGV, Segmentation fault.
loopback_SecondaryColor3ubvEXT_f (v=<value optimized out>) at
main/api_loopback.c:1035
1035       SECONDARYCOLORF(UBYTE_TO_FLOAT(v[0]),
Missing separate debuginfos, use: debuginfo-install
expat-2.0.1-10.fc13.x86_64 fontconfig-2.8.0-1.fc13.x86_64
freetype-2.3.11-3.fc13.x86_64 glibc-2.12-2.x86_64
libICE-1.0.6-2.fc13.x86_64 libSM-1.1.0-7.fc12.x86_64
libX11-1.3.1-3.fc13.x86_64 libXScrnSaver-1.2.0-1.fc12.x86_64
libXau-1.0.5-1.fc12.x86_64 libXext-1.1-2.fc13.x86_64
libXft-2.1.14-1.fc13.x86_64 libXrender-0.9.5-1.fc13.x86_64
libXt-1.0.7-1.fc13.x86_64 libgcc-4.4.4-2.fc13.x86_64
libstdc++-4.4.4-2.fc13.x86_64 libuuid-2.17.2-5.fc13.x86_64
libxcb-1.5-1.fc13.x86_64
(gdb) bt
#0  loopback_SecondaryColor3ubvEXT_f (v=<value optimized out>) at
main/api_loopback.c:1035
#1  0x00007ffff7b3273f in vtkOpenGLRenderWindow::OpenGLInit (this=0x69d310)
    at /home/kevin/kitware/VTK/Rendering/vtkOpenGLRenderWindow.cxx:270
#2  0x00007ffff7b8c45e in vtkXOpenGLRenderWindow::CreateOffScreenWindow
(this=0x69d310, width=300, height=300)
    at /home/kevin/kitware/VTK/Rendering/vtkXOpenGLRenderWindow.cxx:951
#3  0x00007ffff7b8c8dd in vtkXOpenGLRenderWindow::Initialize (this=0x69d310)
    at /home/kevin/kitware/VTK/Rendering/vtkXOpenGLRenderWindow.cxx:1066
#4  0x00007ffff7b8cce3 in vtkXOpenGLRenderWindow::Start (this=0x69d310)
    at /home/kevin/kitware/VTK/Rendering/vtkXOpenGLRenderWindow.cxx:1185
#5  0x00007ffff7a54fc1 in vtkRenderWindow::DoStereoRender (this=0x69d310)
    at /home/kevin/kitware/VTK/Rendering/vtkRenderWindow.cxx:687
#6  0x00007ffff7a54f92 in vtkRenderWindow::DoFDRender (this=0x69d310)
    at /home/kevin/kitware/VTK/Rendering/vtkRenderWindow.cxx:676
#7  0x00007ffff7a54992 in vtkRenderWindow::DoAARender (this=0x69d310)
    at /home/kevin/kitware/VTK/Rendering/vtkRenderWindow.cxx:563
#8  0x00007ffff7a53da2 in vtkRenderWindow::Render (this=0x69d310)
    at /home/kevin/kitware/VTK/Rendering/vtkRenderWindow.cxx:376
#9  0x00007ffff7b8f743 in vtkXOpenGLRenderWindow::Render (this=0x69d310)
    at /home/kevin/kitware/VTK/Rendering/vtkXOpenGLRenderWindow.cxx:1845
#10 0x00000000004326a6 in TestOSConeCxx (argc=7, argv=0x7fffffffd960)
    at /home/kevin/kitware/VTK/Rendering/Testing/Cxx/TestOSConeCxx.cxx:68
#11 0x000000000041b693 in main (ac=7, av=0x7fffffffd960)
    at
/home/kevin/kitware/VTK_Build/Rendering/Testing/Cxx/RenderingCxxTests.cxx:454

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