Public bug reported:

Running glxgears spreads the moving gears over the whole screen
past the border of the box.  The same happens with screensavers
with motion.  Running those screensavers can also freeze the
system.  Screenshot of glxgears is attaches.

lshw output for video:
 *-pci
          description: Host bridge
          product: 82815 815 Chipset Host Bridge and Memory Controller Hub
          vendor: Intel Corporation
          physical id: 100
          bus info: [EMAIL PROTECTED]:00:00.0
          version: 04
          width: 32 bits
          clock: 33MHz
          configuration: driver=agpgart-intel module=intel_agp
        *-display
             description: VGA compatible controller
             product: 82815 Chipset Graphics Controller (CGC)
             vendor: Intel Corporation
             physical id: 2
             bus info: [EMAIL PROTECTED]:00:02.0
             version: 04
             width: 32 bits
             clock: 66MHz
             capabilities: pm vga_controller bus_master cap_list
             configuration: driver=i810_smbus latency=0 module=i2c_i810

glxinfo:
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_OML_swap_method, 
    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_OML_swap_method, 
    GLX_SGIS_multisample, GLX_SGIX_fbconfig, GLX_SGIX_visual_select_group
OpenGL vendor string: Keith Whitwell
OpenGL renderer string: Mesa DRI i815 20050821 x86/MMX/SSE
OpenGL version string: 1.2 Mesa 7.0.3-rc2
OpenGL extensions:
    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_crossbar, 
    GL_ARB_texture_mirrored_repeat, GL_ARB_texture_rectangle, 
    GL_ARB_transpose_matrix, GL_ARB_vertex_buffer_object, GL_ARB_window_pos, 
    GL_EXT_abgr, GL_EXT_bgra, GL_EXT_blend_color, 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_histogram, GL_EXT_packed_pixels, 
    GL_EXT_polygon_offset, GL_EXT_rescale_normal, 
    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_env_combine, 
    GL_EXT_texture_lod_bias, GL_EXT_texture_object, GL_EXT_texture_rectangle, 
    GL_EXT_vertex_array, GL_APPLE_packed_pixels, GL_IBM_rasterpos_clip, 
    GL_IBM_texture_mirrored_repeat, 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_OES_read_format, GL_SGI_color_matrix, 
    GL_SGI_color_table, GL_SGIS_generate_mipmap, GL_SGIS_texture_edge_clamp, 
    GL_SGIS_texture_lod

   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
----------------------------------------------------------------------
0x23 16 tc  0 16  0 r  y  .  5  6  5  0  0 16  0  0  0  0  0  0 0 None
0x24 16 tc  0 16  0 r  .  .  5  6  5  0  0 16  0  0  0  0  0  0 0 None
0x25 16 tc  0 16  0 r  y  .  5  6  5  0  0 16  8  0  0  0  0  0 0 Slow
0x26 16 tc  0 16  0 r  .  .  5  6  5  0  0 16  8  0  0  0  0  0 0 Slow
0x27 16 tc  0 16  0 r  y  .  5  6  5  0  0 16  0 16 16 16  0  0 0 Slow
0x28 16 tc  0 16  0 r  .  .  5  6  5  0  0 16  0 16 16 16  0  0 0 Slow
0x29 16 tc  0 16  0 r  y  .  5  6  5  0  0 16  8 16 16 16  0  0 0 Slow
0x2a 16 tc  0 16  0 r  .  .  5  6  5  0  0 16  8 16 16 16  0  0 0 Slow
0x2b 16 dc  0 16  0 r  y  .  5  6  5  0  0 16  0  0  0  0  0  0 0 None
0x2c 16 dc  0 16  0 r  .  .  5  6  5  0  0 16  0  0  0  0  0  0 0 None
0x2d 16 dc  0 16  0 r  y  .  5  6  5  0  0 16  8  0  0  0  0  0 0 Slow
0x2e 16 dc  0 16  0 r  .  .  5  6  5  0  0 16  8  0  0  0  0  0 0 Slow
0x2f 16 dc  0 16  0 r  y  .  5  6  5  0  0 16  0 16 16 16  0  0 0 Slow
0x30 16 dc  0 16  0 r  .  .  5  6  5  0  0 16  0 16 16 16  0  0 0 Slow
0x31 16 dc  0 16  0 r  y  .  5  6  5  0  0 16  8 16 16 16  0  0 0 Slow
0x32 16 dc  0 16  0 r  .  .  5  6  5  0  0 16  8 16 16 16  0  0 0 Slow
0x4c 32 tc  0 32  0 r  .  .  8  8  8  8  0  0  0  0  0  0  0  0 0 Ncon

xorg.config is the standard conf.

** Affects: xorg (Ubuntu)
     Importance: Undecided
         Status: New

-- 
video acceleration broken with .810 driver in Hardy Beta
https://bugs.launchpad.net/bugs/214168
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