Hi,
when trying to run the CSM samples in opensg2, I get the following error 
message:

$ ./build/bin/testCSM Examples/CSM/Simple-EventMouse
(...snip...)
WARNING: Window::getFunctionByName: Couldn't get function 
'glXCreateContextAttribsARB' for Window 0x86496c0.
testCSM: vbo/vbo_save_api.c:216: map_vertex_store: Assertion 
`vertex_store->buffer' failed.

Any ideas what might be going wrong? I have attached the output of 
glxinfo below. Thanks for your help.
Christoph

$ glxinfo
name of display: :0.0
display: :0  screen: 0
direct rendering: Yes
server glx vendor string: SGI
server glx version string: 1.2
server glx extensions:
     GLX_ARB_multisample, GLX_EXT_import_context, 
GLX_EXT_texture_from_pixmap,
     GLX_EXT_visual_info, GLX_EXT_visual_rating, GLX_MESA_copy_sub_buffer,
     GLX_OML_swap_method, GLX_SGI_make_current_read, GLX_SGI_swap_control,
     GLX_SGIS_multisample, GLX_SGIX_fbconfig, GLX_SGIX_visual_select_group
client glx vendor string: SGI
client glx version string: 1.4
client glx extensions:
     GLX_ARB_get_proc_address, GLX_ARB_multisample, GLX_EXT_import_context,
     GLX_EXT_visual_info, GLX_EXT_visual_rating, GLX_MESA_allocate_memory,
     GLX_MESA_copy_sub_buffer, GLX_MESA_swap_control,
     GLX_MESA_swap_frame_usage, GLX_OML_swap_method, GLX_OML_sync_control,
     GLX_SGI_make_current_read, GLX_SGI_swap_control, GLX_SGI_video_sync,
     GLX_SGIS_multisample, GLX_SGIX_fbconfig, GLX_SGIX_pbuffer,
     GLX_SGIX_visual_select_group, GLX_EXT_texture_from_pixmap
GLX version: 1.2
GLX extensions:
     GLX_ARB_get_proc_address, GLX_ARB_multisample, GLX_EXT_import_context,
     GLX_EXT_visual_info, GLX_EXT_visual_rating, GLX_MESA_copy_sub_buffer,
     GLX_MESA_swap_control, GLX_MESA_swap_frame_usage, GLX_OML_swap_method,
     GLX_SGI_make_current_read, GLX_SGI_swap_control, GLX_SGI_video_sync,
     GLX_SGIS_multisample, GLX_SGIX_fbconfig, GLX_SGIX_visual_select_group
OpenGL vendor string: Tungsten Graphics, Inc
OpenGL renderer string: Mesa DRI Intel(R) 965GM GEM 20090114 x86/MMX/SSE2
OpenGL version string: 2.1 Mesa 7.3
OpenGL shading language version string: 1.10
OpenGL extensions:
     GL_ARB_depth_texture, GL_ARB_draw_buffers, GL_ARB_fragment_program,
     GL_ARB_fragment_program_shadow, GL_ARB_fragment_shader,
     GL_ARB_multisample, GL_ARB_multitexture, GL_ARB_occlusion_query,
     GL_ARB_pixel_buffer_object, GL_ARB_point_parameters, 
GL_ARB_point_sprite,
     GL_ARB_shader_objects, GL_ARB_shading_language_100, GL_ARB_shadow,
     GL_ARB_texture_border_clamp, GL_ARB_texture_compression,
     GL_ARB_texture_cube_map, GL_ARB_texture_env_add,
     GL_ARB_texture_env_combine, GL_ARB_texture_env_crossbar,
     GL_ARB_texture_env_dot3, GL_ARB_texture_mirrored_repeat,
     GL_ARB_texture_non_power_of_two, GL_ARB_texture_rectangle,
     GL_ARB_transpose_matrix, GL_ARB_vertex_buffer_object,
     GL_ARB_vertex_program, GL_ARB_vertex_shader, GL_ARB_window_pos,
     GL_EXT_abgr, GL_EXT_bgra, GL_EXT_blend_color,
     GL_EXT_blend_equation_separate, GL_EXT_blend_func_separate,
     GL_EXT_blend_logic_op, GL_EXT_blend_minmax, GL_EXT_blend_subtract,
     GL_EXT_clip_volume_hint, GL_EXT_cull_vertex, 
GL_EXT_compiled_vertex_array,
     GL_EXT_copy_texture, GL_EXT_draw_range_elements,
     GL_EXT_framebuffer_object, GL_EXT_fog_coord, GL_EXT_multi_draw_arrays,
     GL_EXT_packed_depth_stencil, GL_EXT_packed_pixels,
     GL_EXT_pixel_buffer_object, GL_EXT_point_parameters,
     GL_EXT_polygon_offset, GL_EXT_rescale_normal, GL_EXT_secondary_color,
     GL_EXT_separate_specular_color, GL_EXT_shadow_funcs, 
GL_EXT_stencil_wrap,
     GL_EXT_subtexture, GL_EXT_texture, GL_EXT_texture3D,
     GL_EXT_texture_edge_clamp, GL_EXT_texture_env_add,
     GL_EXT_texture_env_combine, GL_EXT_texture_env_dot3,
     GL_EXT_texture_filter_anisotropic, GL_EXT_texture_lod_bias,
     GL_EXT_texture_object, GL_EXT_texture_rectangle, GL_EXT_texture_sRGB,
     GL_EXT_vertex_array, GL_3DFX_texture_compression_FXT1,
     GL_APPLE_client_storage, GL_APPLE_packed_pixels,
     GL_ATI_blend_equation_separate, GL_ATI_texture_env_combine3,
     GL_ATI_separate_stencil, GL_IBM_rasterpos_clip,
     GL_IBM_texture_mirrored_repeat, GL_INGR_blend_func_separate,
     GL_MESA_pack_invert, GL_MESA_ycbcr_texture, GL_MESA_window_pos,
     GL_NV_blend_square, GL_NV_light_max_exponent, GL_NV_point_sprite,
     GL_NV_texture_rectangle, GL_NV_texgen_reflection, 
GL_NV_vertex_program,
     GL_NV_vertex_program1_1, GL_OES_read_format, GL_SGIS_generate_mipmap,
     GL_SGIS_texture_border_clamp, GL_SGIS_texture_edge_clamp,
     GL_SGIS_texture_lod, GL_SGIX_depth_texture, GL_SUN_multi_draw_arrays

3 GLX Visuals
    visual  x  bf lv rg d st colorbuffer ax dp st accumbuffer  ms  cav
  id dep cl sp sz l  ci b ro  r  g  b  a bf th cl  r  g  b  a ns b eat
----------------------------------------------------------------------
0x21 24 tc  0 32  0 r  y  .  8  8  8  8  0 24  8  0  0  0  0  0 0 None
0x22 24 dc  0 32  0 r  y  .  8  8  8  8  0 24  8  0  0  0  0  0 0 None
0x71 32 tc  0 32  0 r  .  .  8  8  8  8  0  0  0  0  0  0  0  0 0 None

36 GLXFBConfigs:
    visual  x  bf lv rg d st colorbuffer ax dp st accumbuffer  ms  cav
  id dep cl sp sz l  ci b ro  r  g  b  a bf th cl  r  g  b  a ns b eat
----------------------------------------------------------------------
0x72  0 tc  0 32  0 r  .  .  8  8  8  8  0  0  0  0  0  0  0  0 0 None
0x73  0 tc  0 32  0 r  .  .  8  8  8  8  0  0  0 16 16 16 16  0 0 Slow
0x74  0 tc  0 32  0 r  y  .  8  8  8  8  0  0  0  0  0  0  0  0 0 None
0x75  0 tc  0 32  0 r  y  .  8  8  8  8  0  0  0 16 16 16 16  0 0 Slow
0x76  0 tc  0 32  0 r  y  .  8  8  8  8  0  0  0  0  0  0  0  0 0 None
0x77  0 tc  0 32  0 r  y  .  8  8  8  8  0  0  0 16 16 16 16  0 0 Slow
0x78  0 tc  0 32  0 r  .  .  8  8  8  8  0 24  8  0  0  0  0  0 0 None
0x79  0 tc  0 32  0 r  .  .  8  8  8  8  0 24  8 16 16 16 16  0 0 Slow
0x7a  0 tc  0 32  0 r  y  .  8  8  8  8  0 24  8  0  0  0  0  0 0 None
0x7b  0 tc  0 32  0 r  y  .  8  8  8  8  0 24  8 16 16 16 16  0 0 Slow
0x7c  0 tc  0 32  0 r  y  .  8  8  8  8  0 24  8  0  0  0  0  0 0 None
0x7d  0 tc  0 32  0 r  y  .  8  8  8  8  0 24  8 16 16 16 16  0 0 Slow
0x7e  0 tc  0 32  0 r  .  .  8  8  8  8  0 24  8  0  0  0  0  0 0 None
0x7f  0 tc  0 32  0 r  .  .  8  8  8  8  0 24  8 16 16 16 16  0 0 Slow
0x80  0 tc  0 32  0 r  y  .  8  8  8  8  0 24  8  0  0  0  0  0 0 None
0x81  0 tc  0 32  0 r  y  .  8  8  8  8  0 24  8 16 16 16 16  0 0 Slow
0x82  0 tc  0 32  0 r  y  .  8  8  8  8  0 24  8  0  0  0  0  0 0 None
0x83  0 tc  0 32  0 r  y  .  8  8  8  8  0 24  8 16 16 16 16  0 0 Slow
0x84  0 dc  0 32  0 r  .  .  8  8  8  8  0  0  0  0  0  0  0  0 0 None
0x85  0 dc  0 32  0 r  .  .  8  8  8  8  0  0  0 16 16 16 16  0 0 Slow
0x86  0 dc  0 32  0 r  y  .  8  8  8  8  0  0  0  0  0  0  0  0 0 None
0x87  0 dc  0 32  0 r  y  .  8  8  8  8  0  0  0 16 16 16 16  0 0 Slow
0x88  0 dc  0 32  0 r  y  .  8  8  8  8  0  0  0  0  0  0  0  0 0 None
0x89  0 dc  0 32  0 r  y  .  8  8  8  8  0  0  0 16 16 16 16  0 0 Slow
0x8a  0 dc  0 32  0 r  .  .  8  8  8  8  0 24  8  0  0  0  0  0 0 None
0x8b  0 dc  0 32  0 r  .  .  8  8  8  8  0 24  8 16 16 16 16  0 0 Slow
0x8c  0 dc  0 32  0 r  y  .  8  8  8  8  0 24  8  0  0  0  0  0 0 None
0x8d  0 dc  0 32  0 r  y  .  8  8  8  8  0 24  8 16 16 16 16  0 0 Slow
0x8e  0 dc  0 32  0 r  y  .  8  8  8  8  0 24  8  0  0  0  0  0 0 None
0x8f  0 dc  0 32  0 r  y  .  8  8  8  8  0 24  8 16 16 16 16  0 0 Slow
0x90  0 dc  0 32  0 r  .  .  8  8  8  8  0 24  8  0  0  0  0  0 0 None
0x91  0 dc  0 32  0 r  .  .  8  8  8  8  0 24  8 16 16 16 16  0 0 Slow
0x92  0 dc  0 32  0 r  y  .  8  8  8  8  0 24  8  0  0  0  0  0 0 None
0x93  0 dc  0 32  0 r  y  .  8  8  8  8  0 24  8 16 16 16 16  0 0 Slow
0x94  0 dc  0 32  0 r  y  .  8  8  8  8  0 24  8  0  0  0  0  0 0 None
0x95  0 dc  0 32  0 r  y  .  8  8  8  8  0 24  8 16 16 16 16  0 0 Slow

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