Can't get OpenGL working within guest

[Masadow]

Hi there,

I'm hosting an Ubuntu 18 from another Ubuntu 18 using Virtualbox 5.2.18

glxinfo | grep OpenGL on the host shows :

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OpenGL vendor string: NVIDIA Corporation
OpenGL renderer string: GeForce GTX 1060 6GB/PCIe/SSE2
OpenGL core profile version string: 4.6.0 NVIDIA 390.77
OpenGL core profile shading language version string: 4.60 NVIDIA
OpenGL core profile context flags: (none)
OpenGL core profile profile mask: core profile
OpenGL core profile extensions:
OpenGL version string: 4.6.0 NVIDIA 390.77
OpenGL shading language version string: 4.60 NVIDIA
OpenGL context flags: (none)
OpenGL profile mask: (none)
OpenGL extensions:
OpenGL ES profile version string: OpenGL ES 3.2 NVIDIA 390.77
OpenGL ES profile shading language version string: OpenGL ES GLSL ES 3.20
OpenGL ES profile extensions:

And on the VM shows

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OpenGL Warning: vboxCall failed with VBox status code VERR_BUFFER_OVERFLOW

OpenGL vendor string: Humper
OpenGL renderer string: Chromium
OpenGL version string: 2.1 Chromium 1.9
OpenGL shading language version string: 4.60 NVIDIA
OpenGL extensions:
Guest addditions are installed on the VM.

I have an application that works under the host but fails with a segfault on the VM when I turn 3D acceleration ON (which I need for further usage) with the following backtrace (gdb) :

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(gdb) bt
#0  0x0000000000000000 in ?? ()
#1  0x00007ffff78e438a in _ogl_is_extension_supported (extension=0x7ffff79093c8 "GL_ARB_imaging", disp=0x555555a0bda0) at /home/jimmy/allegro5/src/opengl/extensions.c:478
#2  0x00007ffff78ecd42 in _al_ogl_manage_extensions (gl_disp=gl_disp@entry=0x555555a0bda0) at /home/jimmy/allegro5/include/allegro5/opengl/GLext/gl_ext_list.h:1
#3  0x00007ffff78cf9c3 in xdpy_create_display_locked (system=system@entry=0x5555559fbfc0, flags=flags@entry=128, w=w@entry=1600, h=h@entry=900, adapter=<optimized out>)
    at /home/jimmy/allegro5/src/x/xdisplay.c:477
#4  0x00007ffff78d0265 in xdpy_create_display (w=1600, h=900) at /home/jimmy/allegro5/src/x/xdisplay.c:603
#5  0x00007ffff788a0b5 in al_create_display (w=1600, h=900) at /home/jimmy/allegro5/src/display.c:53
#6  0x00007ffff7b9c645 in Display::Display (this=0x555555a0baa0, width=1600, height=900) at engine/src/core/display.cpp:8
#7  0x00005555556e06ae in main (argc=1, argv=0x7fffffffdf68) at main.cpp:78

On top of that, VM has 2 processors allocated and 4Gb of RAM.

As I don't have enough knowledge in virtualization, I'm out of clues on how to solve this problem.

[socratis]

Host capabilities and guest capabilities won't match. Your guest has a virtual GPU.
VirtualBox 6.0.x has set the field for much improved graphics, but it may have still some kinks. Try the latest 6.0.4, and experiment with the two options for the GPU: VBoxVGA and VMSVGA.

[Masadow]

Thanks for the quick answer.

So I've installed version 6, updated my guest additions accordingly and played with the three options :

VBoxSVGA : Complaining about unsupported glsl version :
0:1(10): error: GLSL 1.50 is not supported. Supported versions are: 1.10, 1.20, 1.30, 1.40, 1.00 ES, and 3.00 ES

VMSVGA: Doesn't segfault anymore, glxinfo shows much more extensions but still fails with a "X Error of failed request: GLXBadFBConfig"

VBoxVGA: Same as 5.2, just a plain segfault

What are my option from that ?

[socratis]

VMSVGA: Doesn't segfault anymore, glxinfo shows much more extensions but still fails with a "X Error of failed request: GLXBadFBConfig"

VMSVGA is your best option. What "fails" with that error?

[Masadow]

The error occur when trying to use OpenGL 3 with allegro library.

I think the issue simply is that my VM still is not compatible with OpenGL 3 if I read glxinfo properly :

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name of display: :0
display: :0  screen: 0
direct rendering: Yes
server glx vendor string: SGI
server glx version string: 1.4
server glx extensions:
    GLX_ARB_create_context, GLX_ARB_create_context_profile, 
    GLX_ARB_fbconfig_float, GLX_ARB_framebuffer_sRGB, GLX_ARB_multisample, 
    GLX_EXT_create_context_es2_profile, GLX_EXT_create_context_es_profile, 
    GLX_EXT_fbconfig_packed_float, GLX_EXT_framebuffer_sRGB, 
    GLX_EXT_import_context, GLX_EXT_libglvnd, 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_SGI_make_current_read
client glx vendor string: Mesa Project and SGI
client glx version string: 1.4
client glx extensions:
    GLX_ARB_context_flush_control, GLX_ARB_create_context, 
    GLX_ARB_create_context_profile, GLX_ARB_create_context_robustness, 
    GLX_ARB_fbconfig_float, GLX_ARB_framebuffer_sRGB, 
    GLX_ARB_get_proc_address, GLX_ARB_multisample, GLX_EXT_buffer_age, 
    GLX_EXT_create_context_es2_profile, GLX_EXT_create_context_es_profile, 
    GLX_EXT_fbconfig_packed_float, GLX_EXT_framebuffer_sRGB, 
    GLX_EXT_import_context, GLX_EXT_texture_from_pixmap, GLX_EXT_visual_info, 
    GLX_EXT_visual_rating, GLX_INTEL_swap_event, GLX_MESA_copy_sub_buffer, 
    GLX_MESA_multithread_makecurrent, GLX_MESA_query_renderer, 
    GLX_MESA_swap_control, GLX_OML_swap_method, GLX_OML_sync_control, 
    GLX_SGIS_multisample, GLX_SGIX_fbconfig, GLX_SGIX_pbuffer, 
    GLX_SGIX_visual_select_group, GLX_SGI_make_current_read, 
    GLX_SGI_swap_control, GLX_SGI_video_sync
GLX version: 1.4
GLX extensions:
    GLX_ARB_create_context, GLX_ARB_create_context_profile, 
    GLX_ARB_fbconfig_float, GLX_ARB_framebuffer_sRGB, 
    GLX_ARB_get_proc_address, GLX_ARB_multisample, 
    GLX_EXT_create_context_es2_profile, GLX_EXT_create_context_es_profile, 
    GLX_EXT_fbconfig_packed_float, GLX_EXT_framebuffer_sRGB, 
    GLX_EXT_import_context, GLX_EXT_texture_from_pixmap, GLX_EXT_visual_info, 
    GLX_EXT_visual_rating, GLX_MESA_copy_sub_buffer, GLX_MESA_query_renderer, 
    GLX_MESA_swap_control, GLX_OML_swap_method, GLX_SGIS_multisample, 
    GLX_SGIX_fbconfig, GLX_SGIX_pbuffer, GLX_SGIX_visual_select_group, 
    GLX_SGI_make_current_read, GLX_SGI_video_sync
Extended renderer info (GLX_MESA_query_renderer):
    Vendor: VMware, Inc. (0x15ad)
    Device: SVGA3D; build: RELEASE;  LLVM; (0x405)
    Version: 18.2.8
    Accelerated: no
    Video memory: 1MB
    Unified memory: no
    Preferred profile: compat (0x2)
    Max core profile version: 0.0
    Max compat profile version: 2.1
    Max GLES1 profile version: 1.1
    Max GLES[23] profile version: 2.0
OpenGL vendor string: VMware, Inc.
OpenGL renderer string: SVGA3D; build: RELEASE;  LLVM;
OpenGL version string: 2.1 Mesa 18.2.8
OpenGL shading language version string: 1.20
OpenGL extensions:
    GL_AMD_shader_trinary_minmax, GL_ANGLE_texture_compression_dxt3, 
    GL_ANGLE_texture_compression_dxt5, GL_APPLE_packed_pixels, 
    GL_ARB_ES2_compatibility, GL_ARB_clear_buffer_object, 
    GL_ARB_color_buffer_float, GL_ARB_compressed_texture_pixel_storage, 
    GL_ARB_copy_buffer, GL_ARB_debug_output, GL_ARB_depth_texture, 
    GL_ARB_draw_buffers, GL_ARB_draw_elements_base_vertex, 
    GL_ARB_explicit_attrib_location, GL_ARB_explicit_uniform_location, 
    GL_ARB_fragment_coord_conventions, GL_ARB_fragment_program, 
    GL_ARB_fragment_program_shadow, GL_ARB_fragment_shader, 
    GL_ARB_framebuffer_object, GL_ARB_get_program_binary, 
    GL_ARB_get_texture_sub_image, GL_ARB_half_float_pixel, 
    GL_ARB_half_float_vertex, GL_ARB_internalformat_query, 
    GL_ARB_internalformat_query2, GL_ARB_invalidate_subdata, 
    GL_ARB_map_buffer_alignment, GL_ARB_map_buffer_range, GL_ARB_multi_bind, 
    GL_ARB_multisample, GL_ARB_multitexture, GL_ARB_occlusion_query, 
    GL_ARB_occlusion_query2, GL_ARB_pixel_buffer_object, 
    GL_ARB_point_parameters, GL_ARB_point_sprite, 
    GL_ARB_program_interface_query, GL_ARB_provoking_vertex, 
    GL_ARB_robustness, GL_ARB_sampler_objects, GL_ARB_separate_shader_objects, 
    GL_ARB_shader_objects, GL_ARB_shader_texture_lod, 
    GL_ARB_shading_language_100, GL_ARB_shadow, GL_ARB_sync, 
    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_filter_anisotropic, 
    GL_ARB_texture_float, GL_ARB_texture_mirrored_repeat, 
    GL_ARB_texture_non_power_of_two, GL_ARB_texture_rectangle, 
    GL_ARB_texture_storage, GL_ARB_texture_swizzle, GL_ARB_transpose_matrix, 
    GL_ARB_vertex_array_bgra, GL_ARB_vertex_array_object, 
    GL_ARB_vertex_attrib_binding, GL_ARB_vertex_buffer_object, 
    GL_ARB_vertex_program, GL_ARB_vertex_shader, GL_ARB_window_pos, 
    GL_ATI_blend_equation_separate, GL_ATI_draw_buffers, 
    GL_ATI_fragment_shader, GL_ATI_separate_stencil, 
    GL_ATI_texture_env_combine3, GL_ATI_texture_float, 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_compiled_vertex_array, GL_EXT_copy_texture, 
    GL_EXT_draw_range_elements, GL_EXT_fog_coord, GL_EXT_framebuffer_blit, 
    GL_EXT_framebuffer_object, GL_EXT_gpu_program_parameters, 
    GL_EXT_multi_draw_arrays, GL_EXT_packed_depth_stencil, 
    GL_EXT_packed_pixels, GL_EXT_pixel_buffer_object, GL_EXT_point_parameters, 
    GL_EXT_provoking_vertex, 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_compression_dxt1, 
    GL_EXT_texture_compression_s3tc, GL_EXT_texture_cube_map, 
    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_object, GL_EXT_texture_rectangle, GL_EXT_texture_sRGB, 
    GL_EXT_texture_sRGB_decode, GL_EXT_texture_swizzle, GL_EXT_vertex_array, 
    GL_EXT_vertex_array_bgra, GL_IBM_multimode_draw_arrays, 
    GL_IBM_rasterpos_clip, GL_IBM_texture_mirrored_repeat, 
    GL_INGR_blend_func_separate, GL_KHR_context_flush_control, GL_KHR_debug, 
    GL_KHR_no_error, GL_MESA_pack_invert, GL_MESA_window_pos, 
    GL_NV_blend_square, GL_NV_fog_distance, GL_NV_light_max_exponent, 
    GL_NV_packed_depth_stencil, GL_NV_primitive_restart, 
    GL_NV_texgen_reflection, GL_NV_texture_env_combine4, 
    GL_NV_texture_rectangle, GL_OES_EGL_image, GL_OES_read_format, 
    GL_S3_s3tc, GL_SGIS_generate_mipmap, GL_SGIS_texture_border_clamp, 
    GL_SGIS_texture_edge_clamp, GL_SGIS_texture_lod, GL_SUN_multi_draw_arrays

OpenGL ES profile version string: OpenGL ES 2.0 Mesa 18.2.8
OpenGL ES profile shading language version string: OpenGL ES GLSL ES 1.0.16
OpenGL ES profile extensions:
    GL_ANGLE_texture_compression_dxt3, GL_ANGLE_texture_compression_dxt5, 
    GL_APPLE_texture_max_level, GL_EXT_blend_minmax, 
    GL_EXT_discard_framebuffer, GL_EXT_draw_buffers, 
    GL_EXT_draw_elements_base_vertex, GL_EXT_frag_depth, 
    GL_EXT_map_buffer_range, GL_EXT_multi_draw_arrays, 
    GL_EXT_occlusion_query_boolean, GL_EXT_read_format_bgra, 
    GL_EXT_separate_shader_objects, GL_EXT_texture_border_clamp, 
    GL_EXT_texture_compression_dxt1, GL_EXT_texture_filter_anisotropic, 
    GL_EXT_texture_format_BGRA8888, GL_EXT_unpack_subimage, 
    GL_KHR_context_flush_control, GL_KHR_debug, GL_KHR_no_error, 
    GL_NV_draw_buffers, GL_NV_fbo_color_attachments, GL_NV_read_buffer, 
    GL_NV_read_depth, GL_NV_read_depth_stencil, GL_NV_read_stencil, 
    GL_OES_EGL_image, GL_OES_EGL_image_external, GL_OES_EGL_sync, 
    GL_OES_depth24, GL_OES_depth_texture, GL_OES_draw_elements_base_vertex, 
    GL_OES_element_index_uint, GL_OES_fbo_render_mipmap, 
    GL_OES_get_program_binary, GL_OES_mapbuffer, GL_OES_packed_depth_stencil, 
    GL_OES_required_internalformat, GL_OES_rgb8_rgba8, 
    GL_OES_standard_derivatives, GL_OES_stencil8, GL_OES_surfaceless_context, 
    GL_OES_texture_3D, GL_OES_texture_border_clamp, GL_OES_texture_float, 
    GL_OES_texture_half_float, GL_OES_texture_npot, 
    GL_OES_vertex_array_object, GL_OES_vertex_half_float

Is my sole option to stick with OpenGL 2 ?

[socratis]

Is my sole option to stick with OpenGL 2 ?

I'm afraid, yes.