On 08/04/2010 04:21 PM, tom fogal wrote: > > I am not sure what is wrong here, but something is. > vbo_exec_EvalCoord1fv and vbo_exec_EvalCoord1f are both static methods > in that file... there is no way OpenGLInit could call them. They must > be called automagically during OSMesaCreateContext or similar, but we > should *see* the CreateContext call somewhere in the backtrace and I am > not sure why we do not. > > Can you try valgrind? Perhaps somehow the generated dispatch > code is jumping into lalaland and somehow magically ends up in > vbo_exec_EvalCoord1fv (pretty far-fetched, but I'm out of ideas > here...). >
The output from valgrind is : $ valgrind --trace-children=yes /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 ==5115== Memcheck, a memory error detector ==5115== Copyright (C) 2002-2009, and GNU GPL'd, by Julian Seward et al. ==5115== Using Valgrind-3.5.0 and LibVEX; rerun with -h for copyright info ==5115== Command: /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 ==5115== 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 Mesa: User error: GL_INVALID_VALUE in glPixelMapusv(mapsize) ==5115== Invalid read of size 1 ==5115== at 0x4A06A68: memcpy (mc_replace_strmem.c:497) ==5115== by 0x8A7F05F: _mesa_unpack_bitmap (image.c:1215) ==5115== by 0x8A7F0E8: _mesa_unpack_polygon_stipple (image.c:1140) ==5115== by 0x8A8B7D4: _mesa_polygon_stipple (polygon.c:202) ==5115== by 0x8A8BEAA: _mesa_PolygonStipple (polygon.c:222) ==5115== by 0x5033646: vtkOpenGLRenderWindow::OpenGLInit() (vtkOpenGLRenderWindow.cxx:242) ==5115== by 0x508D45D: vtkXOpenGLRenderWindow::CreateOffScreenWindow(int, int) (vtkXOpenGLRenderWindow.cxx:951) ==5115== by 0x508D8DC: vtkXOpenGLRenderWindow::Initialize() (vtkXOpenGLRenderWindow.cxx:1066) ==5115== by 0x508DCE2: vtkXOpenGLRenderWindow::Start() (vtkXOpenGLRenderWindow.cxx:1185) ==5115== by 0x4F55FC0: vtkRenderWindow::DoStereoRender() (vtkRenderWindow.cxx:687) ==5115== by 0x4F55F91: vtkRenderWindow::DoFDRender() (vtkRenderWindow.cxx:676) ==5115== by 0x4F55991: vtkRenderWindow::DoAARender() (vtkRenderWindow.cxx:563) ==5115== Address 0xb74 is not stack'd, malloc'd or (recently) free'd ==5115== ==5115== ==5115== Process terminating with default action of signal 11 (SIGSEGV) ==5115== Access not within mapped region at address 0xB74 ==5115== at 0x4A06A68: memcpy (mc_replace_strmem.c:497) ==5115== by 0x8A7F05F: _mesa_unpack_bitmap (image.c:1215) ==5115== by 0x8A7F0E8: _mesa_unpack_polygon_stipple (image.c:1140) ==5115== by 0x8A8B7D4: _mesa_polygon_stipple (polygon.c:202) ==5115== by 0x8A8BEAA: _mesa_PolygonStipple (polygon.c:222) ==5115== by 0x5033646: vtkOpenGLRenderWindow::OpenGLInit() (vtkOpenGLRenderWindow.cxx:242) ==5115== by 0x508D45D: vtkXOpenGLRenderWindow::CreateOffScreenWindow(int, int) (vtkXOpenGLRenderWindow.cxx:951) ==5115== by 0x508D8DC: vtkXOpenGLRenderWindow::Initialize() (vtkXOpenGLRenderWindow.cxx:1066) ==5115== by 0x508DCE2: vtkXOpenGLRenderWindow::Start() (vtkXOpenGLRenderWindow.cxx:1185) ==5115== by 0x4F55FC0: vtkRenderWindow::DoStereoRender() (vtkRenderWindow.cxx:687) ==5115== by 0x4F55F91: vtkRenderWindow::DoFDRender() (vtkRenderWindow.cxx:676) ==5115== by 0x4F55991: vtkRenderWindow::DoAARender() (vtkRenderWindow.cxx:563) ==5115== If you believe this happened as a result of a stack ==5115== overflow in your program's main thread (unlikely but ==5115== possible), you can try to increase the size of the ==5115== main thread stack using the --main-stacksize= flag. ==5115== The main thread stack size used in this run was 10485760. ==5115== Invalid free() / delete / delete[] ==5115== at 0x4A04D72: free (vg_replace_malloc.c:325) ==5115== by 0x3E5052CAAA: ??? (in /lib64/libc-2.12.so) ==5115== by 0x3E5052C641: ??? (in /lib64/libc-2.12.so) ==5115== by 0x480162B: _vgnU_freeres (vg_preloaded.c:62) ==5115== by 0xA6DD2CF: ??? ==5115== by 0x8A7F05F: _mesa_unpack_bitmap (image.c:1215) ==5115== by 0x8A7F0E8: _mesa_unpack_polygon_stipple (image.c:1140) ==5115== by 0x8A8B7D4: _mesa_polygon_stipple (polygon.c:202) ==5115== by 0x8A8BEAA: _mesa_PolygonStipple (polygon.c:222) ==5115== by 0x5033646: vtkOpenGLRenderWindow::OpenGLInit() (vtkOpenGLRenderWindow.cxx:242) ==5115== by 0x508D45D: vtkXOpenGLRenderWindow::CreateOffScreenWindow(int, int) (vtkXOpenGLRenderWindow.cxx:951) ==5115== by 0x508D8DC: vtkXOpenGLRenderWindow::Initialize() (vtkXOpenGLRenderWindow.cxx:1066) ==5115== Address 0x854f390 is not stack'd, malloc'd or (recently) free'd ==5115== ==5115== ==5115== HEAP SUMMARY: ==5115== in use at exit: 8,928,115 bytes in 2,120 blocks ==5115== total heap usage: 2,778 allocs, 659 frees, 9,011,811 bytes allocated ==5115== ==5115== LEAK SUMMARY: ==5115== definitely lost: 192 bytes in 1 blocks ==5115== indirectly lost: 0 bytes in 0 blocks ==5115== possibly lost: 0 bytes in 0 blocks ==5115== still reachable: 8,927,923 bytes in 2,119 blocks ==5115== suppressed: 0 bytes in 0 blocks ==5115== Rerun with --leak-check=full to see details of leaked memory ==5115== ==5115== For counts of detected and suppressed errors, rerun with: -v ==5115== ERROR SUMMARY: 2 errors from 2 contexts (suppressed: 6 from 6) Segmentation fault (core dumped)
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