http://article.gmane.org/gmane.comp.video.mesa3d.devel/19775 It crashes for me, too, slightly differently: Backtrace: [ 128.071] 0: X (xorg_backtrace+0x34) [0x80de4b4] [ 128.071] 1: X (0x8048000+0x5b4ff) [0x80a34ff] [ 128.071] 2: (vdso) (__kernel_rt_sigreturn+0x0) [0xffffe410] [ 128.071] 3: /usr/X11R7/lib/xorg/modules/extensions/libdri2.so (0xb7371000+0x 3472) [0xb7374472] [ 128.071] 4: X (0x8048000+0x270c1) [0x806f0c1] [ 128.071] 5: X (0x8048000+0x1b028) [0x8063028] [ 128.071] 6: /lib/libc.so.6 (__libc_start_main+0xe6) [0xb7420b86] [ 128.072] 7: X (0x8048000+0x1ac01) [0x8062c01] [ 128.072] Segmentation fault at address 0xd73cb27a [ 128.072] Fatal server error: [ 128.072] Caught signal 11 (Segmentation fault). Server aborting [ 128.072] [ 128.072] --- BUT if i set export LIBGL_ALWAYS_INDIRECT=1 i got at least some glxinfo and slow (but hw-decellerated, sorry for pun, gears): guest at slax:~$ glxinfo name of display: :0.0 display: :0 screen: 0 direct rendering: No server glx vendor string: SGI server glx version string: 1.4 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_SGIS_multisample, GLX_SGIX_fbconfig, GLX_SGIX_pbuffer, GLX_SGIX_visual_select_group, GLX_INTEL_swap_event client glx vendor string: Mesa Project and 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_INTEL_swap_event GLX version: 1.4 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_OML_swap_method, GLX_SGI_make_current_read, GLX_SGIS_multisample, GLX_SGIX_fbconfig, GLX_SGIX_pbuffer, GLX_SGIX_visual_select_group, GLX_EXT_texture_from_pixmap, GLX_INTEL_swap_event OpenGL vendor string: Nouveau OpenGL renderer string: Mesa DRI nv11 20091015 x86/MMX+/3DNow!+ OpenGL version string: 1.2 Mesa 7.9-devel OpenGL extensions: GL_ARB_draw_buffers, GL_ARB_imaging, GL_ARB_multisample, GL_ARB_multitexture, GL_ARB_texture_compression, GL_ARB_texture_env_add, GL_ARB_texture_env_combine, GL_ARB_texture_env_dot3, GL_ARB_texture_mirrored_repeat, GL_ARB_texture_rectangle, GL_ARB_transpose_matrix, GL_ARB_window_pos, GL_EXT_abgr, GL_EXT_bgra, GL_EXT_blend_color, GL_EXT_blend_logic_op, GL_EXT_blend_minmax, GL_EXT_blend_subtract, GL_EXT_copy_texture, GL_EXT_draw_range_elements, GL_EXT_fog_coord, GL_EXT_framebuffer_object, GL_EXT_multi_draw_arrays, GL_EXT_packed_pixels, GL_EXT_polygon_offset, GL_EXT_rescale_normal, GL_EXT_secondary_color, GL_EXT_separate_specular_color, 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_lod_bias, GL_EXT_texture_object, GL_EXT_texture_rectangle, GL_EXT_vertex_array, GL_APPLE_packed_pixels, GL_ATI_draw_buffers, GL_IBM_texture_mirrored_repeat, GL_NV_blend_square, GL_NV_light_max_exponent, GL_NV_texgen_reflection, GL_NV_texture_rectangle, GL_SGI_color_matrix, GL_SGI_color_table, GL_SGIS_generate_mipmap, GL_SGIS_texture_edge_clamp, GL_SGIS_texture_lod, GL_SUN_multi_draw_arrays 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 0xc9 24 tc 0 32 0 r . . 8 8 8 8 0 0 0 0 0 0 0 0 0 None 0xca 24 tc 0 32 0 r . . 8 8 8 8 0 0 0 16 16 16 16 0 0 Slow 0xcb 24 tc 0 32 0 r y . 8 8 8 8 0 0 0 0 0 0 0 0 0 None 0xcc 24 tc 0 32 0 r y . 8 8 8 8 0 0 0 16 16 16 16 0 0 Slow 0xcd 24 tc 0 32 0 r . . 8 8 8 8 0 16 0 0 0 0 0 0 0 None 0xce 24 tc 0 32 0 r . . 8 8 8 8 0 16 0 16 16 16 16 0 0 Slow 0xcf 24 tc 0 32 0 r y . 8 8 8 8 0 16 0 16 16 16 16 0 0 Slow 0xd0 24 tc 0 32 0 r . . 8 8 8 8 0 24 0 0 0 0 0 0 0 None 0xd1 24 tc 0 32 0 r . . 8 8 8 8 0 24 0 16 16 16 16 0 0 Slow 0xd2 24 tc 0 32 0 r y . 8 8 8 8 0 24 0 0 0 0 0 0 0 None 0xd3 24 tc 0 32 0 r y . 8 8 8 8 0 24 0 16 16 16 16 0 0 Slow 0xd4 24 tc 0 32 0 r . . 8 8 8 8 0 24 8 0 0 0 0 0 0 None 0xd5 24 tc 0 32 0 r . . 8 8 8 8 0 24 8 16 16 16 16 0 0 Slow 0xd6 24 tc 0 32 0 r y . 8 8 8 8 0 24 8 16 16 16 16 0 0 Slow 0xd7 24 tc 0 24 0 r . . 8 8 8 0 0 0 0 0 0 0 0 0 0 None 0xd8 24 tc 0 24 0 r . . 8 8 8 0 0 0 0 16 16 16 0 0 0 Slow 0xd9 24 tc 0 24 0 r y . 8 8 8 0 0 0 0 0 0 0 0 0 0 None 0xda 24 tc 0 24 0 r y . 8 8 8 0 0 0 0 16 16 16 0 0 0 Slow 0xdb 24 tc 0 24 0 r . . 8 8 8 0 0 16 0 0 0 0 0 0 0 None 0xdc 24 tc 0 24 0 r . . 8 8 8 0 0 16 0 16 16 16 0 0 0 Slow 0xdd 24 tc 0 24 0 r y . 8 8 8 0 0 16 0 0 0 0 0 0 0 None 0xde 24 tc 0 24 0 r y . 8 8 8 0 0 16 0 16 16 16 0 0 0 Slow 0xdf 24 tc 0 24 0 r . . 8 8 8 0 0 24 0 0 0 0 0 0 0 None 0xe0 24 tc 0 24 0 r . . 8 8 8 0 0 24 0 16 16 16 0 0 0 Slow 0xe1 24 tc 0 24 0 r y . 8 8 8 0 0 24 0 0 0 0 0 0 0 None 0xe2 24 tc 0 24 0 r y . 8 8 8 0 0 24 0 16 16 16 0 0 0 Slow 0xe3 24 tc 0 24 0 r . . 8 8 8 0 0 24 8 0 0 0 0 0 0 None 0xe4 24 tc 0 24 0 r . . 8 8 8 0 0 24 8 16 16 16 0 0 0 Slow 0xe5 24 tc 0 24 0 r y . 8 8 8 0 0 24 8 0 0 0 0 0 0 None 0xe6 24 tc 0 24 0 r y . 8 8 8 0 0 24 8 16 16 16 0 0 0 Slow 0xe7 24 dc 0 32 0 r . . 8 8 8 8 0 0 0 0 0 0 0 0 0 None 0xe8 24 dc 0 32 0 r . . 8 8 8 8 0 0 0 16 16 16 16 0 0 Slow 0xe9 24 dc 0 32 0 r y . 8 8 8 8 0 0 0 0 0 0 0 0 0 None 0xea 24 dc 0 32 0 r y . 8 8 8 8 0 0 0 16 16 16 16 0 0 Slow 0xeb 24 dc 0 32 0 r . . 8 8 8 8 0 16 0 0 0 0 0 0 0 None 0xec 24 dc 0 32 0 r . . 8 8 8 8 0 16 0 16 16 16 16 0 0 Slow 0xed 24 dc 0 32 0 r y . 8 8 8 8 0 16 0 0 0 0 0 0 0 None 0xee 24 dc 0 32 0 r y . 8 8 8 8 0 16 0 16 16 16 16 0 0 Slow 0xef 24 dc 0 32 0 r . . 8 8 8 8 0 24 0 0 0 0 0 0 0 None 0xf0 24 dc 0 32 0 r . . 8 8 8 8 0 24 0 16 16 16 16 0 0 Slow 0xf1 24 dc 0 32 0 r y . 8 8 8 8 0 24 0 0 0 0 0 0 0 None 0xf2 24 dc 0 32 0 r y . 8 8 8 8 0 24 0 16 16 16 16 0 0 Slow 0xf3 24 dc 0 32 0 r . . 8 8 8 8 0 24 8 0 0 0 0 0 0 None 0xf4 24 dc 0 32 0 r . . 8 8 8 8 0 24 8 16 16 16 16 0 0 Slow 0xf5 24 dc 0 32 0 r y . 8 8 8 8 0 24 8 16 16 16 16 0 0 Slow 0xf6 24 dc 0 24 0 r . . 8 8 8 0 0 0 0 0 0 0 0 0 0 None 0xf7 24 dc 0 24 0 r . . 8 8 8 0 0 0 0 16 16 16 0 0 0 Slow 0xf8 24 dc 0 24 0 r y . 8 8 8 0 0 0 0 0 0 0 0 0 0 None 0xf9 24 dc 0 24 0 r y . 8 8 8 0 0 0 0 16 16 16 0 0 0 Slow 0xfa 24 dc 0 24 0 r . . 8 8 8 0 0 16 0 0 0 0 0 0 0 None 0xfb 24 dc 0 24 0 r . . 8 8 8 0 0 16 0 16 16 16 0 0 0 Slow 0xfc 24 dc 0 24 0 r y . 8 8 8 0 0 16 0 0 0 0 0 0 0 None 0xfd 24 dc 0 24 0 r y . 8 8 8 0 0 16 0 16 16 16 0 0 0 Slow 0xfe 24 dc 0 24 0 r . . 8 8 8 0 0 24 0 0 0 0 0 0 0 None 0xff 24 dc 0 24 0 r . . 8 8 8 0 0 24 0 16 16 16 0 0 0 Slow 0x100 24 dc 0 24 0 r y . 8 8 8 0 0 24 0 0 0 0 0 0 0 None 0x101 24 dc 0 24 0 r y . 8 8 8 0 0 24 0 16 16 16 0 0 0 Slow 0x102 24 dc 0 24 0 r . . 8 8 8 0 0 24 8 0 0 0 0 0 0 None 0x103 24 dc 0 24 0 r . . 8 8 8 0 0 24 8 16 16 16 0 0 0 Slow 0x104 24 dc 0 24 0 r y . 8 8 8 0 0 24 8 0 0 0 0 0 0 None 0x105 24 dc 0 24 0 r y . 8 8 8 0 0 24 8 16 16 16 0 0 0 Slow 0x68 32 tc 0 32 0 r y . 8 8 8 8 0 16 0 0 0 0 0 0 0 None guest at slax:~$ glxgears 142 frames in 6.0 seconds = 23.523 FPS 278 frames in 5.1 seconds = 54.870 FPS 1020 frames in 5.1 seconds = 201.240 FPS 695 frames in 5.0 seconds = 138.097 FPS XIO: fatal IO error 11 (Resource temporarily unavailable) on X server ":0.0" after 5347 requests (3308 known processed) with 0 events remaining. (i've resized glxgears window to very small size)