$ export LIBGL_DEBUG=verbose $ glxinfo name of display: :0.0 libGL: XF86DRIGetClientDriverName: 1.9.0 i965 (screen 0) libGL: OpenDriver: trying /usr/lib/dri/i965_dri.so drmOpenDevice: node name is /dev/dri/card0 drmOpenDevice: open result is 4, (OK) drmOpenByBusid: Searching for BusID pci:0000:00:02.0 drmOpenDevice: node name is /dev/dri/card0 drmOpenDevice: open result is 4, (OK) drmOpenByBusid: drmOpenMinor returns 4 drmOpenByBusid: drmGetBusid reports pci:0000:00:02.0 libGL error: Can't open configuration file /etc/drirc: No such file or directory. libGL error: Can't open configuration file /home/joe/.drirc: No such file or directory. 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_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_swap_control, GLX_MESA_swap_frame_usage, GLX_OML_swap_method, 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) 965GME/GLE GEM 20080716 x86/MMX/SSE2 OpenGL version string: 1.4 Mesa 7.3-devel 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_pixel_buffer_object, GL_ARB_point_parameters, GL_ARB_point_sprite, GL_ARB_shader_objects, GL_ARB_shading_language_100, GL_ARB_shading_language_120, 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_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 0x74 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 ---------------------------------------------------------------------- 0x75 0 tc 0 32 0 r . . 8 8 8 8 0 0 0 0 0 0 0 0 0 None 0x76 0 tc 0 32 0 r . . 8 8 8 8 0 0 0 16 16 16 16 0 0 Slow 0x77 0 tc 0 32 0 r y . 8 8 8 8 0 0 0 0 0 0 0 0 0 None 0x78 0 tc 0 32 0 r y . 8 8 8 8 0 0 0 16 16 16 16 0 0 Slow 0x79 0 tc 0 32 0 r y . 8 8 8 8 0 0 0 0 0 0 0 0 0 None 0x7a 0 tc 0 32 0 r y . 8 8 8 8 0 0 0 16 16 16 16 0 0 Slow 0x7b 0 tc 0 32 0 r . . 8 8 8 8 0 24 8 0 0 0 0 0 0 None 0x7c 0 tc 0 32 0 r . . 8 8 8 8 0 24 8 16 16 16 16 0 0 Slow 0x7d 0 tc 0 32 0 r y . 8 8 8 8 0 24 8 0 0 0 0 0 0 None 0x7e 0 tc 0 32 0 r y . 8 8 8 8 0 24 8 16 16 16 16 0 0 Slow 0x7f 0 tc 0 32 0 r y . 8 8 8 8 0 24 8 0 0 0 0 0 0 None 0x80 0 tc 0 32 0 r y . 8 8 8 8 0 24 8 16 16 16 16 0 0 Slow 0x81 0 tc 0 32 0 r . . 8 8 8 8 0 24 8 0 0 0 0 0 0 None 0x82 0 tc 0 32 0 r . . 8 8 8 8 0 24 8 16 16 16 16 0 0 Slow 0x83 0 tc 0 32 0 r y . 8 8 8 8 0 24 8 0 0 0 0 0 0 None 0x84 0 tc 0 32 0 r y . 8 8 8 8 0 24 8 16 16 16 16 0 0 Slow 0x85 0 tc 0 32 0 r y . 8 8 8 8 0 24 8 0 0 0 0 0 0 None 0x86 0 tc 0 32 0 r y . 8 8 8 8 0 24 8 16 16 16 16 0 0 Slow 0x87 0 dc 0 32 0 r . . 8 8 8 8 0 0 0 0 0 0 0 0 0 None 0x88 0 dc 0 32 0 r . . 8 8 8 8 0 0 0 16 16 16 16 0 0 Slow 0x89 0 dc 0 32 0 r y . 8 8 8 8 0 0 0 0 0 0 0 0 0 None 0x8a 0 dc 0 32 0 r y . 8 8 8 8 0 0 0 16 16 16 16 0 0 Slow 0x8b 0 dc 0 32 0 r y . 8 8 8 8 0 0 0 0 0 0 0 0 0 None 0x8c 0 dc 0 32 0 r y . 8 8 8 8 0 0 0 16 16 16 16 0 0 Slow 0x8d 0 dc 0 32 0 r . . 8 8 8 8 0 24 8 0 0 0 0 0 0 None 0x8e 0 dc 0 32 0 r . . 8 8 8 8 0 24 8 16 16 16 16 0 0 Slow 0x8f 0 dc 0 32 0 r y . 8 8 8 8 0 24 8 0 0 0 0 0 0 None 0x90 0 dc 0 32 0 r y . 8 8 8 8 0 24 8 16 16 16 16 0 0 Slow 0x91 0 dc 0 32 0 r y . 8 8 8 8 0 24 8 0 0 0 0 0 0 None 0x92 0 dc 0 32 0 r y . 8 8 8 8 0 24 8 16 16 16 16 0 0 Slow 0x93 0 dc 0 32 0 r . . 8 8 8 8 0 24 8 0 0 0 0 0 0 None 0x94 0 dc 0 32 0 r . . 8 8 8 8 0 24 8 16 16 16 16 0 0 Slow 0x95 0 dc 0 32 0 r y . 8 8 8 8 0 24 8 0 0 0 0 0 0 None 0x96 0 dc 0 32 0 r y . 8 8 8 8 0 24 8 16 16 16 16 0 0 Slow 0x97 0 dc 0 32 0 r y . 8 8 8 8 0 24 8 0 0 0 0 0 0 None 0x98 0 dc 0 32 0 r y . 8 8 8 8 0 24 8 16 16 16 16 0 0 Slow