glXCreatePbuffer fails on Ubuntu 12.04 VM

Maik Riechert <[email protected]>
Newsgroups gmane.comp.video.mesa3d.user
Message-ID <[email protected]>
Hi,

I loaded the Mesa demos 8.1.0 and ran xdemos/glxpbdemo. The output is:

libGL: OpenDriver: trying /usr/lib/x86_64-linux-gnu/dri/tls/swrast_dri.so
libGL: OpenDriver: trying /usr/lib/x86_64-linux-gnu/dri/swrast_dri.so
Chose 0x69 as fbconfigid
failed to create drawable
Error: couldn't create pbuffer

I'm using Xvfb on Ubuntu 12.04 and glxinfo says:

name of display: :99.0
display: :99  screen: 0
direct rendering: Yes
server glx vendor string: SGI
server glx version string: 1.4
server glx extensions:
     GLX_ARB_multisample, GLX_EXT_visual_info, GLX_EXT_visual_rating,
     GLX_EXT_import_context, GLX_EXT_texture_from_pixmap, 
GLX_OML_swap_method,
     GLX_SGI_make_current_read, GLX_SGIS_multisample, GLX_SGIX_fbconfig,
     GLX_SGIX_pbuffer, GLX_MESA_copy_sub_buffer, GLX_INTEL_swap_event
client glx vendor string: Mesa Project and SGI
client glx version string: 1.4
client glx extensions:
     GLX_ARB_create_context, GLX_ARB_create_context_profile,
     GLX_ARB_get_proc_address, GLX_ARB_multisample, GLX_EXT_import_context,
     GLX_EXT_visual_info, GLX_EXT_visual_rating, GLX_EXT_framebuffer_sRGB,
     GLX_EXT_create_context_es2_profile, GLX_MESA_copy_sub_buffer,
     GLX_MESA_multithread_makecurrent, GLX_MESA_swap_control,
     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_multithread_makecurrent, GLX_OML_swap_method,
     GLX_SGI_make_current_read, GLX_SGIS_multisample, GLX_SGIX_fbconfig,
     GLX_SGIX_pbuffer, GLX_EXT_texture_from_pixmap
OpenGL vendor string: VMware, Inc.
OpenGL renderer string: Gallium 0.4 on llvmpipe (LLVM 0x300)
OpenGL version string: 2.1 Mesa 8.0.4
OpenGL shading language version string: 1.20
OpenGL extensions:
     GL_ARB_multisample, GL_EXT_abgr, GL_EXT_bgra, GL_EXT_blend_color,
     GL_EXT_blend_minmax, GL_EXT_blend_subtract, GL_EXT_copy_texture,
     GL_EXT_polygon_offset, GL_EXT_subtexture, GL_EXT_texture_object,
     GL_EXT_vertex_array, GL_EXT_compiled_vertex_array, GL_EXT_texture,
     GL_EXT_texture3D, GL_IBM_rasterpos_clip, GL_ARB_point_parameters,
     GL_EXT_draw_range_elements, GL_EXT_packed_pixels, 
GL_EXT_point_parameters,
     GL_EXT_rescale_normal, GL_EXT_separate_specular_color,
     GL_EXT_texture_edge_clamp, GL_SGIS_generate_mipmap,
     GL_SGIS_texture_border_clamp, GL_SGIS_texture_edge_clamp,
     GL_SGIS_texture_lod, GL_ARB_multitexture, GL_IBM_multimode_draw_arrays,
     GL_IBM_texture_mirrored_repeat, GL_ARB_texture_cube_map,
     GL_ARB_texture_env_add, GL_ARB_transpose_matrix,
     GL_EXT_blend_func_separate, GL_EXT_fog_coord, GL_EXT_multi_draw_arrays,
     GL_EXT_secondary_color, GL_EXT_texture_env_add, 
GL_EXT_texture_lod_bias,
     GL_INGR_blend_func_separate, GL_NV_blend_square, 
GL_NV_light_max_exponent,
     GL_NV_texgen_reflection, GL_NV_texture_env_combine4, GL_S3_s3tc,
     GL_SUN_multi_draw_arrays, GL_ARB_texture_border_clamp,
     GL_ARB_texture_compression, GL_EXT_framebuffer_object,
     GL_EXT_texture_compression_s3tc, GL_EXT_texture_env_combine,
     GL_EXT_texture_env_dot3, GL_MESA_window_pos, 
GL_NV_packed_depth_stencil,
     GL_NV_texture_rectangle, GL_ARB_depth_texture, GL_ARB_occlusion_query,
     GL_ARB_shadow, GL_ARB_texture_env_combine, GL_ARB_texture_env_crossbar,
     GL_ARB_texture_env_dot3, GL_ARB_texture_mirrored_repeat,
     GL_ARB_window_pos, GL_EXT_stencil_two_side, GL_EXT_texture_cube_map,
     GL_NV_fog_distance, GL_APPLE_packed_pixels, 
GL_APPLE_vertex_array_object,
     GL_ARB_draw_buffers, GL_ARB_fragment_program, GL_ARB_fragment_shader,
     GL_ARB_shader_objects, GL_ARB_vertex_program, GL_ARB_vertex_shader,
     GL_ATI_draw_buffers, GL_ATI_texture_env_combine3, GL_ATI_texture_float,
     GL_EXT_shadow_funcs, GL_EXT_stencil_wrap, GL_MESA_pack_invert,
     GL_MESA_ycbcr_texture, GL_NV_primitive_restart,
     GL_ARB_fragment_program_shadow, GL_ARB_half_float_pixel,
     GL_ARB_occlusion_query2, GL_ARB_point_sprite, 
GL_ARB_shading_language_100,
     GL_ARB_sync, GL_ARB_texture_non_power_of_two, 
GL_ARB_vertex_buffer_object,
     GL_ATI_blend_equation_separate, GL_EXT_blend_equation_separate,
     GL_OES_read_format, GL_ARB_pixel_buffer_object,
     GL_ARB_texture_compression_rgtc, GL_ARB_texture_float,
     GL_ARB_texture_rectangle, GL_ATI_texture_compression_3dc,
     GL_EXT_packed_float, GL_EXT_pixel_buffer_object,
     GL_EXT_texture_compression_dxt1, GL_EXT_texture_compression_rgtc,
     GL_EXT_texture_mirror_clamp, GL_EXT_texture_rectangle,
     GL_EXT_texture_sRGB, GL_EXT_texture_shared_exponent,
     GL_ARB_framebuffer_object, GL_EXT_framebuffer_blit,
     GL_EXT_framebuffer_multisample, GL_EXT_packed_depth_stencil,
     GL_ARB_vertex_array_object, GL_ATI_separate_stencil,
     GL_ATI_texture_mirror_once, GL_EXT_draw_buffers2, 
GL_EXT_draw_instanced,
     GL_EXT_gpu_program_parameters, GL_EXT_texture_compression_latc,
     GL_EXT_texture_sRGB_decode, GL_OES_EGL_image, GL_ARB_copy_buffer,
     GL_ARB_draw_instanced, GL_ARB_half_float_vertex, 
GL_ARB_instanced_arrays,
     GL_ARB_map_buffer_range, GL_ARB_texture_rg, GL_ARB_texture_swizzle,
     GL_ARB_vertex_array_bgra, GL_EXT_separate_shader_objects,
     GL_EXT_texture_swizzle, GL_EXT_vertex_array_bgra,
     GL_NV_conditional_render, GL_AMD_draw_buffers_blend,
     GL_ARB_ES2_compatibility, GL_ARB_draw_buffers_blend,
     GL_ARB_draw_elements_base_vertex, GL_ARB_explicit_attrib_location,
     GL_ARB_fragment_coord_conventions, GL_ARB_provoking_vertex,
     GL_ARB_sampler_objects, GL_ARB_shader_texture_lod,
     GL_ARB_vertex_type_2_10_10_10_rev, GL_EXT_provoking_vertex,
     GL_EXT_texture_snorm, GL_MESA_texture_signed_rgba, GL_ARB_robustness,
     GL_ARB_texture_storage

49 GLX Visuals
     visual  x   bf lv rg d st  colorbuffer  sr ax dp st accumbuffer  ms 
  cav
   id dep cl sp  sz l  ci b ro  r  g  b  a F gb bf th cl  r  g  b  a ns 
b eat
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Slow
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144 GLXFBConfigs:
     visual  x   bf lv rg d st  colorbuffer  sr ax dp st accumbuffer  ms 
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None
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Slow
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Slow
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Slow
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Slow
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Slow
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Slow
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Slow
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Slow
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None
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Slow
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Slow
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Slow
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None
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Slow
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Slow
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Slow
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Slow
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Slow
0x07d 16 tc  0  16  0 r  y .   5  6  5  0 .  .  0 24  8  0  0  0  0  0 0 
None
0x07e 16 tc  0  16  0 r  y .   5  6  5  0 .  .  0 24  8 16 16 16  0  0 0 
Slow
0x07f 16 tc  0  16  0 r  y .   5  6  5  0 .  .  0 24  8  0  0  0  0  0 0 
None
0x080 16 tc  0  16  0 r  y .   5  6  5  0 .  .  0 24  8 16 16 16  0  0 0 
Slow
0x081 16 tc  0  16  0 r  . .   5  6  5  0 .  .  0 32  0  0  0  0  0  0 0 
None
0x082 16 tc  0  16  0 r  . .   5  6  5  0 .  .  0 32  0 16 16 16  0  0 0 
Slow
0x083 16 tc  0  16  0 r  y .   5  6  5  0 .  .  0 32  0  0  0  0  0  0 0 
None
0x084 16 tc  0  16  0 r  y .   5  6  5  0 .  .  0 32  0 16 16 16  0  0 0 
Slow
0x085 16 tc  0  16  0 r  y .   5  6  5  0 .  .  0 32  0  0  0  0  0  0 0 
None
0x086 16 tc  0  16  0 r  y .   5  6  5  0 .  .  0 32  0 16 16 16  0  0 0 
Slow
0x087  0 dc  0  32  0 r  . .   8  8  8  8 .  .  0  0  0  0  0  0  0  0 0 
None
0x088  0 dc  0  32  0 r  . .   8  8  8  8 .  .  0  0  0 16 16 16 16  0 0 
Slow
0x089  0 dc  0  32  0 r  y .   8  8  8  8 .  .  0  0  0  0  0  0  0  0 0 
None
0x08a  0 dc  0  32  0 r  y .   8  8  8  8 .  .  0  0  0 16 16 16 16  0 0 
Slow
0x08b  0 dc  0  32  0 r  y .   8  8  8  8 .  .  0  0  0  0  0  0  0  0 0 
None
0x08c  0 dc  0  32  0 r  y .   8  8  8  8 .  .  0  0  0 16 16 16 16  0 0 
Slow
0x08d  0 dc  0  32  0 r  . .   8  8  8  8 .  .  0 24  0  0  0  0  0  0 0 
None
0x08e  0 dc  0  32  0 r  . .   8  8  8  8 .  .  0 24  0 16 16 16 16  0 0 
Slow
0x08f  0 dc  0  32  0 r  y .   8  8  8  8 .  .  0 24  0  0  0  0  0  0 0 
None
0x090  0 dc  0  32  0 r  y .   8  8  8  8 .  .  0 24  0 16 16 16 16  0 0 
Slow
0x091  0 dc  0  32  0 r  y .   8  8  8  8 .  .  0 24  0  0  0  0  0  0 0 
None
0x092  0 dc  0  32  0 r  y .   8  8  8  8 .  .  0 24  0 16 16 16 16  0 0 
Slow
0x093  0 dc  0  32  0 r  . .   8  8  8  8 .  .  0 24  8  0  0  0  0  0 0 
None
0x094  0 dc  0  32  0 r  . .   8  8  8  8 .  .  0 24  8 16 16 16 16  0 0 
Slow
0x095  0 dc  0  32  0 r  y .   8  8  8  8 .  .  0 24  8  0  0  0  0  0 0 
None
0x096  0 dc  0  32  0 r  y .   8  8  8  8 .  .  0 24  8 16 16 16 16  0 0 
Slow
0x097  0 dc  0  32  0 r  y .   8  8  8  8 .  .  0 24  8  0  0  0  0  0 0 
None
0x098  0 dc  0  32  0 r  y .   8  8  8  8 .  .  0 24  8 16 16 16 16  0 0 
Slow
0x099  0 dc  0  32  0 r  . .   8  8  8  8 .  .  0 32  0  0  0  0  0  0 0 
None
0x09a  0 dc  0  32  0 r  . .   8  8  8  8 .  .  0 32  0 16 16 16 16  0 0 
Slow
0x09b  0 dc  0  32  0 r  y .   8  8  8  8 .  .  0 32  0  0  0  0  0  0 0 
None
0x09c  0 dc  0  32  0 r  y .   8  8  8  8 .  .  0 32  0 16 16 16 16  0 0 
Slow
0x09d  0 dc  0  32  0 r  y .   8  8  8  8 .  .  0 32  0  0  0  0  0  0 0 
None
0x09e  0 dc  0  32  0 r  y .   8  8  8  8 .  .  0 32  0 16 16 16 16  0 0 
Slow
0x09f  0 dc  0  24  0 r  . .   8  8  8  0 .  .  0  0  0  0  0  0  0  0 0 
None
0x0a0  0 dc  0  24  0 r  . .   8  8  8  0 .  .  0  0  0 16 16 16  0  0 0 
Slow
0x0a1  0 dc  0  24  0 r  y .   8  8  8  0 .  .  0  0  0  0  0  0  0  0 0 
None
0x0a2  0 dc  0  24  0 r  y .   8  8  8  0 .  .  0  0  0 16 16 16  0  0 0 
Slow
0x0a3  0 dc  0  24  0 r  y .   8  8  8  0 .  .  0  0  0  0  0  0  0  0 0 
None
0x0a4  0 dc  0  24  0 r  y .   8  8  8  0 .  .  0  0  0 16 16 16  0  0 0 
Slow
0x0a5  0 dc  0  24  0 r  . .   8  8  8  0 .  .  0 24  0  0  0  0  0  0 0 
None
0x0a6  0 dc  0  24  0 r  . .   8  8  8  0 .  .  0 24  0 16 16 16  0  0 0 
Slow
0x0a7  0 dc  0  24  0 r  y .   8  8  8  0 .  .  0 24  0  0  0  0  0  0 0 
None
0x0a8  0 dc  0  24  0 r  y .   8  8  8  0 .  .  0 24  0 16 16 16  0  0 0 
Slow
0x0a9  0 dc  0  24  0 r  y .   8  8  8  0 .  .  0 24  0  0  0  0  0  0 0 
None
0x0aa  0 dc  0  24  0 r  y .   8  8  8  0 .  .  0 24  0 16 16 16  0  0 0 
Slow
0x0ab  0 dc  0  24  0 r  . .   8  8  8  0 .  .  0 24  8  0  0  0  0  0 0 
None
0x0ac  0 dc  0  24  0 r  . .   8  8  8  0 .  .  0 24  8 16 16 16  0  0 0 
Slow
0x0ad  0 dc  0  24  0 r  y .   8  8  8  0 .  .  0 24  8  0  0  0  0  0 0 
None
0x0ae  0 dc  0  24  0 r  y .   8  8  8  0 .  .  0 24  8 16 16 16  0  0 0 
Slow
0x0af  0 dc  0  24  0 r  y .   8  8  8  0 .  .  0 24  8  0  0  0  0  0 0 
None
0x0b0  0 dc  0  24  0 r  y .   8  8  8  0 .  .  0 24  8 16 16 16  0  0 0 
Slow
0x0b1  0 dc  0  24  0 r  . .   8  8  8  0 .  .  0 32  0  0  0  0  0  0 0 
None
0x0b2  0 dc  0  24  0 r  . .   8  8  8  0 .  .  0 32  0 16 16 16  0  0 0 
Slow
0x0b3  0 dc  0  24  0 r  y .   8  8  8  0 .  .  0 32  0  0  0  0  0  0 0 
None
0x0b4  0 dc  0  24  0 r  y .   8  8  8  0 .  .  0 32  0 16 16 16  0  0 0 
Slow
0x0b5  0 dc  0  24  0 r  y .   8  8  8  0 .  .  0 32  0  0  0  0  0  0 0 
None
0x0b6  0 dc  0  24  0 r  y .   8  8  8  0 .  .  0 32  0 16 16 16  0  0 0 
Slow
0x0b7 16 dc  0  16  0 r  . .   5  6  5  0 .  .  0  0  0  0  0  0  0  0 0 
None
0x0b8 16 dc  0  16  0 r  . .   5  6  5  0 .  .  0  0  0 16 16 16  0  0 0 
Slow
0x0b9 16 dc  0  16  0 r  y .   5  6  5  0 .  .  0  0  0  0  0  0  0  0 0 
None
0x0ba 16 dc  0  16  0 r  y .   5  6  5  0 .  .  0  0  0 16 16 16  0  0 0 
Slow
0x0bb 16 dc  0  16  0 r  y .   5  6  5  0 .  .  0  0  0  0  0  0  0  0 0 
None
0x0bc 16 dc  0  16  0 r  y .   5  6  5  0 .  .  0  0  0 16 16 16  0  0 0 
Slow
0x0bd 16 dc  0  16  0 r  . .   5  6  5  0 .  .  0 24  0  0  0  0  0  0 0 
None
0x0be 16 dc  0  16  0 r  . .   5  6  5  0 .  .  0 24  0 16 16 16  0  0 0 
Slow
0x0bf 16 dc  0  16  0 r  y .   5  6  5  0 .  .  0 24  0  0  0  0  0  0 0 
None
0x0c0 16 dc  0  16  0 r  y .   5  6  5  0 .  .  0 24  0 16 16 16  0  0 0 
Slow
0x0c1 16 dc  0  16  0 r  y .   5  6  5  0 .  .  0 24  0  0  0  0  0  0 0 
None
0x0c2 16 dc  0  16  0 r  y .   5  6  5  0 .  .  0 24  0 16 16 16  0  0 0 
Slow
0x0c3 16 dc  0  16  0 r  . .   5  6  5  0 .  .  0 24  8  0  0  0  0  0 0 
None
0x0c4 16 dc  0  16  0 r  . .   5  6  5  0 .  .  0 24  8 16 16 16  0  0 0 
Slow
0x0c5 16 dc  0  16  0 r  y .   5  6  5  0 .  .  0 24  8  0  0  0  0  0 0 
None
0x0c6 16 dc  0  16  0 r  y .   5  6  5  0 .  .  0 24  8 16 16 16  0  0 0 
Slow
0x0c7 16 dc  0  16  0 r  y .   5  6  5  0 .  .  0 24  8  0  0  0  0  0 0 
None
0x0c8 16 dc  0  16  0 r  y .   5  6  5  0 .  .  0 24  8 16 16 16  0  0 0 
Slow
0x0c9 16 dc  0  16  0 r  . .   5  6  5  0 .  .  0 32  0  0  0  0  0  0 0 
None
0x0ca 16 dc  0  16  0 r  . .   5  6  5  0 .  .  0 32  0 16 16 16  0  0 0 
Slow
0x0cb 16 dc  0  16  0 r  y .   5  6  5  0 .  .  0 32  0  0  0  0  0  0 0 
None
0x0cc 16 dc  0  16  0 r  y .   5  6  5  0 .  .  0 32  0 16 16 16  0  0 0 
Slow
0x0cd 16 dc  0  16  0 r  y .   5  6  5  0 .  .  0 32  0  0  0  0  0  0 0 
None
0x0ce 16 dc  0  16  0 r  y .   5  6  5  0 .  .  0 32  0 16 16 16  0  0 0 
Slow


Some more version numbers:
xvfb  2:1.11.4-0ubuntu10.12
Mesa  8.0.4-0ubuntu0.4
libllvm3.0  3.0-4ubuntu1

The same error happens on the VMs of the continuous integration service 
travis-ci.org (Ubuntu 12.04.1, Mesa 8.0.2):

https://travis-ci.org/neothemachine/ardor3d-screenshot/builds/5527942

That's a build of one of my (Java) projects where I actually use the 
pbuffers, but as I traced it down to the level of Mesa/llvm/.. the Java 
part can be ignored.

An interesting fact is that it seems to work on a Debian 7 VM with Mesa 
8.0.5: https://jogamp.org/bugzilla/show_bug.cgi?id=704#c10

(I originally posted my bug there.)

As Ubuntu doesn't have Mesa 8.0.5 in its official repos yet and I 
couldn't see any relevant entry in the changelog for 8.0.5 I haven't 
tested it with 8.0.5 yet.

What can you make of all this?

Cheers
Maik
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