求解惑，关于r600/r700的开源驱动的3d问题。

[root@HomeServer ~]# glxinfo
name of display: :0.0
IRQ's not enabled, falling back to busy waits: 2 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_SGIS_multisample, 
 GLX_SGIX_fbconfig, GLX_SGIX_pbuffer, 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_frame_usage, GLX_OML_swap_method, GLX_SGI_make_current_read, 
 GLX_SGIS_multisample, GLX_SGIX_fbconfig, GLX_SGIX_pbuffer, 
 GLX_SGIX_visual_select_group
OpenGL vendor string: Advanced Micro Devices, Inc.
OpenGL renderer string: Mesa DRI R600 (RS780 9610) 20090101 TCL
OpenGL version string: 1.4 Mesa 7.6
OpenGL extensions:
 GL_ARB_depth_texture, GL_ARB_draw_buffers, 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_compiled_vertex_array, GL_EXT_convolution, 
 GL_EXT_copy_texture, GL_EXT_draw_range_elements, GL_EXT_fog_coord, 
 GL_EXT_gpu_program_parameters, GL_EXT_histogram, GL_EXT_multi_draw_arrays, 
 GL_EXT_packed_depth_stencil, 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_ATI_separate_stencil, 
 GL_IBM_multimode_draw_arrays, 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_SUN_multi_draw_arrays

8 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
0x72 24 tc 0 32 0 r . . 8 8 8 8 0 24 8 16 16 16 16 0 0 Slow
0x73 24 tc 0 32 0 r y . 8 8 8 8 0 24 8 16 16 16 16 0 0 Slow
0x74 24 dc 0 32 0 r . . 8 8 8 8 0 24 8 0 0 0 0 0 0 None
0x75 24 dc 0 32 0 r . . 8 8 8 8 0 24 8 16 16 16 16 0 0 Slow
0x76 24 dc 0 32 0 r y . 8 8 8 8 0 24 8 16 16 16 16 0 0 Slow
0x69 32 tc 0 32 0 r . . 8 8 8 8 0 24 8 0 0 0 0 0 0 Ncon

8 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
----------------------------------------------------------------------
0x6a 0 tc 0 32 0 r . . 8 8 8 8 0 24 8 0 0 0 0 0 0 None
0x6b 0 tc 0 32 0 r . . 8 8 8 8 0 24 8 16 16 16 16 0 0 Slow
0x6c 0 tc 0 32 0 r y . 8 8 8 8 0 24 8 0 0 0 0 0 0 None
0x6d 0 tc 0 32 0 r y . 8 8 8 8 0 24 8 16 16 16 16 0 0 Slow
0x6e 0 dc 0 32 0 r . . 8 8 8 8 0 24 8 0 0 0 0 0 0 None
0x6f 0 dc 0 32 0 r . . 8 8 8 8 0 24 8 16 16 16 16 0 0 Slow
0x70 0 dc 0 32 0 r y . 8 8 8 8 0 24 8 0 0 0 0 0 0 None
0x71 0 dc 0 32 0 r y . 8 8 8 8 0 24 8 16 16 16 16 0 0 Slow

[root@HomeServer ~]# glxgears
IRQ's not enabled, falling back to busy waits: 2 0
drmRadeonCmdBuffer: -22. Kernel failed to parse or rejected command stream. See dmesg for more info.

[drm] Setting GART location based on new memory map
[drm] Loading RS780 CP Microcode
platform r600_cp.0: firmware: using built-in firmware radeon/RS780_pfp.bin
platform r600_cp.0: firmware: using built-in firmware radeon/RS780_me.bin
[drm] Resetting GPU
[drm] writeback test succeeded in 1 usecs
[drm:r600_cs_packet_next_reloc_nomm] *ERROR* No packet3 for relocation for packet at 47.
[drm:r600_packet3_check] *ERROR* bad SET_CONTEXT_REG 0x28014
[drm:r600_cs_legacy] *ERROR* Invalid command stream !
[drm:r600_cs_packet_next_reloc_nomm] *ERROR* No packet3 for relocation for packet at 47.
[drm:r600_packet3_check] *ERROR* bad SET_CONTEXT_REG 0x28014
[drm:r600_cs_legacy] *ERROR* Invalid command stream !