Hi Benjamin and thanks for quick answer but I think that problem is another one because I haven't installed SElinux on my Ubuntu and I have mesa dri as rendering.
 
As it follow I paste my output when I run  "glxinfo" command on terminal :
 

///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////

maforast@Trade:~$ glxinfo

name of display: :0.0

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_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_allocate_memory,

GLX_MESA_copy_sub_buffer, GLX_MESA_swap_control,

GLX_MESA_swap_frame_usage, GLX_OML_swap_method, GLX_SGI_make_current_read,

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 R200 20060602 AGP 1x x86/MMX+/3DNow!+/SSE TCL

OpenGL version string: 1.3 Mesa 6.5.2

OpenGL extensions:

GL_ARB_imaging, GL_ARB_multisample, GL_ARB_multitexture,

GL_ARB_point_parameters, GL_ARB_point_sprite, 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_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_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_fog_coord,

GL_EXT_histogram, 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_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_fragment_shader, 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_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

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 24 tc 0 32 0 r y . 8 8 8 8 0 24 8 0 0 0 0 0 0 None

0x24 24 tc 0 32 0 r y . 8 8 8 8 0 24 0 0 0 0 0 0 0 None

0x25 24 tc 0 32 0 r y . 8 8 8 8 0 24 8 16 16 16 16 0 0 Slow

0x26 24 tc 0 32 0 r y . 8 8 8 8 0 24 0 16 16 16 16 0 0 Slow

0x27 24 tc 0 32 0 r . . 8 8 8 8 0 24 8 0 0 0 0 0 0 None

0x28 24 tc 0 32 0 r . . 8 8 8 8 0 24 0 0 0 0 0 0 0 None

0x29 24 tc 0 32 0 r . . 8 8 8 8 0 24 8 16 16 16 16 0 0 Slow

0x2a 24 tc 0 32 0 r . . 8 8 8 8 0 24 0 16 16 16 16 0 0 Slow

0x2b 24 dc 0 32 0 r y . 8 8 8 8 0 24 8 0 0 0 0 0 0 None

0x2c 24 dc 0 32 0 r y . 8 8 8 8 0 24 0 0 0 0 0 0 0 None

0x2d 24 dc 0 32 0 r y . 8 8 8 8 0 24 8 16 16 16 16 0 0 Slow

0x2e 24 dc 0 32 0 r y . 8 8 8 8 0 24 0 16 16 16 16 0 0 Slow

0x2f 24 dc 0 32 0 r . . 8 8 8 8 0 24 8 0 0 0 0 0 0 None

0x30 24 dc 0 32 0 r . . 8 8 8 8 0 24 0 0 0 0 0 0 0 None

0x31 24 dc 0 32 0 r . . 8 8 8 8 0 24 8 16 16 16 16 0 0 Slow

0x32 24 dc 0 32 0 r . . 8 8 8 8 0 24 0 16 16 16 16 0 0 Slow

0x4b 32 tc 0 32 0 r . . 8 8 8 8 0 0 0 0 0 0 0 0 0 Ncon

/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////

As you can see the method renerding is mesa dri :(

I cannot be explained as all working well except wxgazebo

I'm in trouble :|

 
----- Original Message -----
From: "Benjamin Chase" <benjamin.chase@informatik.uni-luebeck.de>
To: "Gazebo developers" <playerstage-gazebo@lists.sourceforge.net>
Sent: Sunday, June 03, 2007 11:17 PM
Subject: Re: [PlayerStage-Gazebo] X Error of failedrequest: GLXUnsupportedPrivateRequest

> Hello Man,
>
>    I had similar Problems with Fedora Core 6 as well.  First make sure
> you have Mesa installed as OpenGL Renderer. Second make sure SELinux
> Policy allows the use of OpenGL through wxgazebo or disable SELinux
> completely. That was my problem. I hope that helps you.
>
> Sincerly,
>
> Benjamin Chase
>
> Man Forast wrote:
>> Hi, I've problem with wxgazebo and gazebo too. When I try to run some
>> world I get this error message:
>>
>> X Error of failed request:  GLXUnsupportedPrivateRequest
>>   Major opcode of failed request:  143 (GLX)
>>   Minor opcode of failed request:  16 (X_GLXVendorPrivate)
>>   Serial number of failed request:  21
>>   Current serial number in output stream:  22
>> server died
>> stopping server
>>
>>
>> I try with all library SGIX GLX GLXP etc. but with same results!
>>
>> I have an ATI 9200 video card on Ubuntu Feasty and all work well less
>> gazebo. If I run " glxinfo | grep rendering" and "glxinfo |grep
>> vendor" commands on terminal the output is:
>>
>> -direct rendering: Yes
>>
>> -server glx vendor string: SGI
>>  client glx vendor string: SGI
>>  OpenGL vendor string: Tungsten Graphics, Inc.
>>
>> So, my open source driver work well and I don't know which is my
>> problem!!
>>
>> Can anyone help me?
>>
>> tnx in advance!
>> ------------------------------------------------------------------------
>>
>> -------------------------------------------------------------------------
>> This SF.net email is sponsored by DB2 Express
>> Download DB2 Express C - the FREE version of DB2 express and take
>> control of your XML. No limits. Just data. Click to get it now.
>>
http://sourceforge.net/powerbar/db2/
>> ------------------------------------------------------------------------
>>
>> _______________________________________________
>> Playerstage-gazebo mailing list
>>
Playerstage-gazebo@lists.sourceforge.net
>> https://lists.sourceforge.net/lists/listinfo/playerstage-gazebo
>>  
>
>
> -------------------------------------------------------------------------
> This SF.net email is sponsored by DB2 Express
> Download DB2 Express C - the FREE version of DB2 express and take
> control of your XML. No limits. Just data. Click to get it now.
>
http://sourceforge.net/powerbar/db2/
> _______________________________________________
> Playerstage-gazebo mailing list
>
Playerstage-gazebo@lists.sourceforge.net
> https://lists.sourceforge.net/lists/listinfo/playerstage-gazebo