I've installed the packages python-opengl python-gtkglext1 and them glchess crash. I've restarted the process in terminal. This is the error message: ====================================== abel@tierra:~$ glchess /var/lib/python-support/python2.6/glchess/network.py:73: DeprecationWarning: BaseException.message has been deprecated as of Python 2.6 print 'Failed to load GGZ config: %s' % e.message Failed to load GGZ config: Using OpenGL: VENDOR=DRI R300 Project RENDERER=Mesa DRI R300 20060815 x86/MMX/SSE2 TCL VERSION=1.3 Mesa 7.4 EXTENSIONS=GL_ARB_depth_texture GL_ARB_fragment_program GL_ARB_imaging GL_ARB_multisample GL_ARB_multitexture GL_ARB_point_parameters GL_ARB_shadow GL_ARB_shadow_ambient 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_MESAX_texture_float GL_ARB_texture_mirrored_repeat GL_ARB_texture_rectangle GL_ARB_transpose_matrix GL_ARB_vertex_buffer_object GL_ARB_vertex_program 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_compiled_vertex_array GL_EXT_convolution GL_EXT_copy_texture GL_EXT_draw_range_elements GL_EXT_gpu_program_parameters GL_EXT_histogram GL_EXT_multi_draw_arrays GL_EXT_packed_pixels 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_two_side 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_mirror_clamp GL_EXT_texture_object GL_EXT_texture_rectangle GL_EXT_vertex_array GL_APPLE_packed_pixels GL_ATI_blend_equation_separate GL_ATI_texture_env_combine3 GL_ATI_texture_mirror_once 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_texture_rectangle GL_NV_texgen_reflection GL_NV_vertex_program GL_OES_read_format GL_SGI_color_matrix GL_SGI_color_table GL_SGIS_generate_mipmap GL_SGIS_texture_border_clamp GL_SGIS_texture_edge_clamp GL_SGIS_texture_lod GL_SGIX_depth_texture GL_SGIX_shadow_ambient GL_SUN_multi_draw_arrays Traceback (most recent call last): File "/var/lib/python-support/python2.6/glchess/gtkui/chessview.py", line 168, in __expose self.view.feedback.renderGL() File "/var/lib/python-support/python2.6/glchess/display.py", line 489, in renderGL self.scene.controller.render() File "/var/lib/python-support/python2.6/glchess/scene/opengl/opengl.py", line 396, in render self.drawPieces() File "/var/lib/python-support/python2.6/glchess/scene/opengl/opengl.py", line 897, in drawPieces piece.draw() File "/var/lib/python-support/python2.6/glchess/scene/opengl/opengl.py", line 143, in draw self.chessSet.drawPiece(self.name, state, self.scene) File "/var/lib/python-support/python2.6/glchess/scene/opengl/new_models.py", line 111, in drawPiece if glGetBoolean(GL_TEXTURE_2D): File "/usr/lib/python2.6/dist-packages/OpenGL/wrapper.py", line 1631, in __call__ return self.finalise()( *args, **named ) File "/usr/lib/python2.6/dist-packages/OpenGL/wrapper.py", line 683, in wrapperCall converter( pyArgs, index, self ) File "/usr/lib/python2.6/dist-packages/OpenGL/converters.py", line 195, in __call__ return self.arrayType.zeros( self.getSize(pyArgs) ) File "/usr/lib/python2.6/dist-packages/OpenGL/arrays/arraydatatype.py", line 98, in zeros return cls.returnHandler().zeros( dims, typeCode or cls.typeConstant ) File "/usr/lib/python2.6/dist-packages/OpenGL/arrays/nones.py", line 32, in zeros raise TypeError( """Can't create NULL pointer filled with values""" ) TypeError: ("Can't create NULL pointer filled with values", 'Failure in cConverter ', [GL_TEXTURE_2D], 1, ) sh: bug-buddy: not found