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20 hours ago •
rust-windowing
rust-windowing
X11 crash: Failed to get root window: XError GLXBadFBConfig
Hiya, I ran into the following intermittent error (approximately 1 out of every 15 runs) when creating multiple windows within the same executable on X11:
[winit X11 error] XError {
description: "GLXBadFBConfig",
error_code: 179,
request_code: 155,
minor_code: 34
}
thread '<unnamed>' panicked at 'Failed to get root window: XError { description: "GLXBadFBConfig", error_code: 179, request_code: 155, minor_code: 34 }', libcore/result.rs:945:5
note: Run with `RUST_BACKTRACE=1` for a backtrace.
Middle (useful) part of the stack trace
stack backtrace:
...
8: core::result::unwrap_failed
at /checkout/src/libcore/macros.rs:26
9: <core::result::Result<T, E>>::expect
at /checkout/src/libcore/result.rs:809
10: glutin::platform::platform::x11::Context::new
at /home/azriel/.cargo/registry/src/github.com-1ecc6299db9ec823/glutin-0.16.0/src/platform/linux/x11.rs:224
11: glutin::platform::platform::Context::new
at /home/azriel/.cargo/registry/src/github.com-1ecc6299db9ec823/glutin-0.16.0/src/platform/linux/mod.rs:58
12: glutin::GlWindow::new
at /home/azriel/.cargo/registry/src/github.com-1ecc6299db9ec823/glutin-0.16.0/src/lib.rs:337
13: gfx_window_glutin::init_raw
at /home/azriel/.cargo/registry/src/github.com-1ecc6299db9ec823/gfx_window_glutin-0.24.0/src/lib.rs:144
14: gfx_window_glutin::init
at /home/azriel/.cargo/registry/src/github.com-1ecc6299db9ec823/gfx_window_glutin-0.24.0/src/lib.rs:67
15: amethyst_renderer::renderer::init_backend
at /home/azriel/.cargo/git/checkouts/amethyst-fedb0a1032a075ce/00fa904/amethyst_renderer/src/renderer.rs:288
16: amethyst_renderer::renderer::RendererBuilder::build
at /home/azriel/.cargo/git/checkouts/amethyst-fedb0a1032a075ce/00fa904/amethyst_renderer/src/renderer.rs:202
17: <amethyst_renderer::system::RenderSystem<P>>::build
...
I'm using Winit 0.15.1 (4bb6ea35) and Glutin 0.16.0 (42fb2de), so I do have the fixes for https://github.com/tomaka/winit/issues/458. I did also run into the error reported in https://github.com/tomaka/glutin/issues/1034, though I'm not sure if it has the same cause.
System info:
- OpenGL core profile version string: 4.2 (Core Profile) Mesa 18.0.0-rc5
- X version: 7.7
- Ubuntu 18.04
I haven't got a minimal example yet, multithread_window doesn't fail. Shall update this issue if/when I do.
Vaguely related issues:
- https://github.com/PistonDevelopers/piston-examples/issues/334
- https://github.com/glium/glium/issues/1585
The main reasons for GLXBadFBConfig are
- Your OpenGL setup (drivers etc) is broken. Try running "glxinfo" to check that OpenGL is at least minimally functional.
- You're requesting an OpenGL version which is newer than what your hardware or drivers support.
(source)
GLX Extensions spec. Maybe these keyphrases jump to interesting sections "Create a Window" or "GLXBadFBConfig".
Tracing code:
- Panic occurs on
display.check_errors().expect("Failed to get root window");. -
displayis anXConnection, andcheck_errors()checks thelatest_errorfield. -
latest_erroris only set toSome(..)inunsafe extern "C" fn x_error_callback - ??
Missing info / TODO:
- What's in that GLXFBConfig that makes it Bad?
- What is calling the
x_error_callback?
What is calling the x_error_callback?
https://github.com/mesa3d/mesa/search?q=GLXBadFBConfig&unscoped_q=GLXBadFBConfig
glxinfo (wall of text)
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_create_context_robustness, 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_INTEL_swap_event,
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, GLX_SGI_swap_control
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_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
Extended renderer info (GLX_MESA_query_renderer):
Vendor: Intel Open Source Technology Center (0x8086)
Device: Mesa DRI Intel(R) Ivybridge Mobile (0x166)
Version: 18.0.0
Accelerated: yes
Video memory: 1536MB
Unified memory: yes
Preferred profile: core (0x1)
Max core profile version: 4.2
Max compat profile version: 3.0
Max GLES1 profile version: 1.1
Max GLES[23] profile version: 3.0
OpenGL vendor string: Intel Open Source Technology Center
OpenGL renderer string: Mesa DRI Intel(R) Ivybridge Mobile
OpenGL core profile version string: 4.2 (Core Profile) Mesa 18.0.0-rc5
OpenGL core profile shading language version string: 4.20
OpenGL core profile context flags: (none)
OpenGL core profile profile mask: core profile
OpenGL core profile extensions:
GL_3DFX_texture_compression_FXT1, GL_AMD_conservative_depth,
GL_AMD_draw_buffers_blend, GL_AMD_seamless_cubemap_per_texture,
GL_AMD_shader_trinary_minmax, GL_AMD_vertex_shader_layer,
GL_AMD_vertex_shader_viewport_index, GL_ANGLE_texture_compression_dxt3,
GL_ANGLE_texture_compression_dxt5, GL_APPLE_object_purgeable,
GL_ARB_ES2_compatibility, GL_ARB_ES3_compatibility,
GL_ARB_arrays_of_arrays, GL_ARB_base_instance, GL_ARB_blend_func_extended,
GL_ARB_buffer_storage, GL_ARB_clear_buffer_object, GL_ARB_clear_texture,
GL_ARB_clip_control, GL_ARB_compressed_texture_pixel_storage,
GL_ARB_compute_shader, GL_ARB_conditional_render_inverted,
GL_ARB_conservative_depth, GL_ARB_copy_buffer, GL_ARB_copy_image,
GL_ARB_cull_distance, GL_ARB_debug_output, GL_ARB_depth_buffer_float,
GL_ARB_depth_clamp, GL_ARB_derivative_control, GL_ARB_direct_state_access,
GL_ARB_draw_buffers, GL_ARB_draw_buffers_blend,
GL_ARB_draw_elements_base_vertex, GL_ARB_draw_indirect,
GL_ARB_draw_instanced, GL_ARB_enhanced_layouts,
GL_ARB_explicit_attrib_location, GL_ARB_explicit_uniform_location,
GL_ARB_fragment_coord_conventions, GL_ARB_fragment_layer_viewport,
GL_ARB_fragment_shader, GL_ARB_framebuffer_no_attachments,
GL_ARB_framebuffer_object, GL_ARB_framebuffer_sRGB,
GL_ARB_get_program_binary, GL_ARB_get_texture_sub_image,
GL_ARB_gpu_shader5, GL_ARB_gpu_shader_fp64, GL_ARB_half_float_pixel,
GL_ARB_half_float_vertex, GL_ARB_indirect_parameters,
GL_ARB_instanced_arrays, 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_multi_draw_indirect, GL_ARB_occlusion_query2,
GL_ARB_pipeline_statistics_query, GL_ARB_pixel_buffer_object,
GL_ARB_point_sprite, GL_ARB_polygon_offset_clamp,
GL_ARB_program_interface_query, GL_ARB_provoking_vertex,
GL_ARB_robustness, GL_ARB_sample_shading, GL_ARB_sampler_objects,
GL_ARB_seamless_cube_map, GL_ARB_seamless_cubemap_per_texture,
GL_ARB_separate_shader_objects, GL_ARB_shader_atomic_counter_ops,
GL_ARB_shader_atomic_counters, GL_ARB_shader_bit_encoding,
GL_ARB_shader_clock, GL_ARB_shader_draw_parameters,
GL_ARB_shader_group_vote, GL_ARB_shader_image_load_store,
GL_ARB_shader_image_size, GL_ARB_shader_objects, GL_ARB_shader_precision,
GL_ARB_shader_storage_buffer_object, GL_ARB_shader_subroutine,
GL_ARB_shader_texture_image_samples, GL_ARB_shader_texture_lod,
GL_ARB_shader_viewport_layer_array, GL_ARB_shading_language_420pack,
GL_ARB_shading_language_packing, GL_ARB_sync, GL_ARB_tessellation_shader,
GL_ARB_texture_barrier, GL_ARB_texture_buffer_object,
GL_ARB_texture_buffer_object_rgb32, GL_ARB_texture_buffer_range,
GL_ARB_texture_compression_bptc, GL_ARB_texture_compression_rgtc,
GL_ARB_texture_cube_map_array, GL_ARB_texture_filter_anisotropic,
GL_ARB_texture_float, GL_ARB_texture_gather,
GL_ARB_texture_mirror_clamp_to_edge, GL_ARB_texture_multisample,
GL_ARB_texture_non_power_of_two, GL_ARB_texture_query_levels,
GL_ARB_texture_query_lod, GL_ARB_texture_rectangle, GL_ARB_texture_rg,
GL_ARB_texture_rgb10_a2ui, GL_ARB_texture_storage,
GL_ARB_texture_storage_multisample, GL_ARB_texture_swizzle,
GL_ARB_texture_view, GL_ARB_timer_query, GL_ARB_transform_feedback2,
GL_ARB_transform_feedback3, GL_ARB_transform_feedback_instanced,
GL_ARB_transform_feedback_overflow_query, GL_ARB_uniform_buffer_object,
GL_ARB_vertex_array_bgra, GL_ARB_vertex_array_object,
GL_ARB_vertex_attrib_64bit, GL_ARB_vertex_attrib_binding,
GL_ARB_vertex_shader, GL_ARB_vertex_type_10f_11f_11f_rev,
GL_ARB_vertex_type_2_10_10_10_rev, GL_ARB_viewport_array,
GL_ATI_blend_equation_separate, GL_ATI_texture_float, GL_EXT_abgr,
GL_EXT_blend_equation_separate, GL_EXT_draw_buffers2,
GL_EXT_draw_instanced, GL_EXT_framebuffer_blit,
GL_EXT_framebuffer_multisample, GL_EXT_framebuffer_multisample_blit_scaled,
GL_EXT_framebuffer_sRGB, GL_EXT_packed_depth_stencil, GL_EXT_packed_float,
GL_EXT_pixel_buffer_object, GL_EXT_polygon_offset_clamp,
GL_EXT_provoking_vertex, GL_EXT_shader_integer_mix,
GL_EXT_shader_samples_identical, GL_EXT_texture_array,
GL_EXT_texture_compression_dxt1, GL_EXT_texture_compression_rgtc,
GL_EXT_texture_compression_s3tc, GL_EXT_texture_filter_anisotropic,
GL_EXT_texture_integer, GL_EXT_texture_sRGB, GL_EXT_texture_sRGB_decode,
GL_EXT_texture_shared_exponent, GL_EXT_texture_snorm,
GL_EXT_texture_swizzle, GL_EXT_timer_query, GL_EXT_transform_feedback,
GL_EXT_vertex_array_bgra, GL_IBM_multimode_draw_arrays,
GL_INTEL_performance_query, GL_KHR_blend_equation_advanced,
GL_KHR_context_flush_control, GL_KHR_debug, GL_KHR_no_error,
GL_KHR_robustness, GL_MESA_pack_invert, GL_MESA_shader_integer_functions,
GL_MESA_texture_signed_rgba, GL_NV_conditional_render, GL_NV_depth_clamp,
GL_NV_packed_depth_stencil, GL_NV_texture_barrier, GL_OES_EGL_image,
GL_S3_s3tc
OpenGL version string: 3.0 Mesa 18.0.0-rc5
OpenGL shading language version string: 1.30
OpenGL context flags: (none)
OpenGL extensions:
GL_3DFX_texture_compression_FXT1, GL_AMD_conservative_depth,
GL_AMD_draw_buffers_blend, GL_AMD_seamless_cubemap_per_texture,
GL_AMD_shader_trinary_minmax, GL_ANGLE_texture_compression_dxt3,
GL_ANGLE_texture_compression_dxt5, GL_APPLE_object_purgeable,
GL_APPLE_packed_pixels, GL_ARB_ES2_compatibility,
GL_ARB_ES3_compatibility, GL_ARB_arrays_of_arrays,
GL_ARB_blend_func_extended, GL_ARB_buffer_storage,
GL_ARB_clear_buffer_object, GL_ARB_clear_texture, GL_ARB_clip_control,
GL_ARB_color_buffer_float, GL_ARB_compressed_texture_pixel_storage,
GL_ARB_compute_shader, GL_ARB_conditional_render_inverted,
GL_ARB_conservative_depth, GL_ARB_copy_buffer, GL_ARB_copy_image,
GL_ARB_cull_distance, GL_ARB_debug_output, GL_ARB_depth_buffer_float,
GL_ARB_depth_clamp, GL_ARB_depth_texture, GL_ARB_derivative_control,
GL_ARB_draw_buffers, GL_ARB_draw_buffers_blend,
GL_ARB_draw_elements_base_vertex, GL_ARB_draw_instanced,
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_no_attachments, GL_ARB_framebuffer_object,
GL_ARB_framebuffer_sRGB, GL_ARB_get_program_binary,
GL_ARB_get_texture_sub_image, GL_ARB_half_float_pixel,
GL_ARB_half_float_vertex, GL_ARB_instanced_arrays,
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_pipeline_statistics_query, GL_ARB_pixel_buffer_object,
GL_ARB_point_parameters, GL_ARB_point_sprite, GL_ARB_polygon_offset_clamp,
GL_ARB_program_interface_query, GL_ARB_provoking_vertex,
GL_ARB_robustness, GL_ARB_sample_shading, GL_ARB_sampler_objects,
GL_ARB_seamless_cube_map, GL_ARB_seamless_cubemap_per_texture,
GL_ARB_separate_shader_objects, GL_ARB_shader_atomic_counter_ops,
GL_ARB_shader_atomic_counters, GL_ARB_shader_bit_encoding,
GL_ARB_shader_clock, GL_ARB_shader_draw_parameters,
GL_ARB_shader_group_vote, GL_ARB_shader_image_load_store,
GL_ARB_shader_image_size, GL_ARB_shader_objects, GL_ARB_shader_precision,
GL_ARB_shader_storage_buffer_object, GL_ARB_shader_texture_image_samples,
GL_ARB_shader_texture_lod, GL_ARB_shading_language_100,
GL_ARB_shading_language_420pack, GL_ARB_shading_language_packing,
GL_ARB_shadow, GL_ARB_sync, GL_ARB_texture_barrier,
GL_ARB_texture_border_clamp, GL_ARB_texture_compression,
GL_ARB_texture_compression_bptc, GL_ARB_texture_compression_rgtc,
GL_ARB_texture_cube_map, GL_ARB_texture_cube_map_array,
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_gather, GL_ARB_texture_mirror_clamp_to_edge,
GL_ARB_texture_mirrored_repeat, GL_ARB_texture_multisample,
GL_ARB_texture_non_power_of_two, GL_ARB_texture_query_levels,
GL_ARB_texture_query_lod, GL_ARB_texture_rectangle, GL_ARB_texture_rg,
GL_ARB_texture_rgb10_a2ui, GL_ARB_texture_storage,
GL_ARB_texture_storage_multisample, GL_ARB_texture_swizzle,
GL_ARB_texture_view, GL_ARB_timer_query, GL_ARB_transform_feedback2,
GL_ARB_transform_feedback3, GL_ARB_transform_feedback_instanced,
GL_ARB_transform_feedback_overflow_query, GL_ARB_transpose_matrix,
GL_ARB_uniform_buffer_object, 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_vertex_type_10f_11f_11f_rev, GL_ARB_vertex_type_2_10_10_10_rev,
GL_ARB_window_pos, GL_ATI_blend_equation_separate, GL_ATI_draw_buffers,
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_buffers2, GL_EXT_draw_instanced,
GL_EXT_draw_range_elements, GL_EXT_fog_coord, GL_EXT_framebuffer_blit,
GL_EXT_framebuffer_multisample, GL_EXT_framebuffer_multisample_blit_scaled,
GL_EXT_framebuffer_object, GL_EXT_framebuffer_sRGB,
GL_EXT_gpu_program_parameters, GL_EXT_multi_draw_arrays,
GL_EXT_packed_depth_stencil, GL_EXT_packed_float, GL_EXT_packed_pixels,
GL_EXT_pixel_buffer_object, GL_EXT_point_parameters,
GL_EXT_polygon_offset, GL_EXT_polygon_offset_clamp,
GL_EXT_provoking_vertex, GL_EXT_rescale_normal, GL_EXT_secondary_color,
GL_EXT_separate_specular_color, GL_EXT_shader_integer_mix,
GL_EXT_shader_samples_identical, 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_array,
GL_EXT_texture_compression_dxt1, GL_EXT_texture_compression_rgtc,
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_integer,
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_shared_exponent, GL_EXT_texture_snorm,
GL_EXT_texture_swizzle, GL_EXT_timer_query, GL_EXT_transform_feedback,
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_INTEL_performance_query, GL_KHR_blend_equation_advanced,
GL_KHR_context_flush_control, GL_KHR_debug, GL_KHR_no_error,
GL_KHR_robustness, GL_MESA_pack_invert, GL_MESA_shader_integer_functions,
GL_MESA_texture_signed_rgba, GL_MESA_window_pos, GL_NV_blend_square,
GL_NV_conditional_render, GL_NV_depth_clamp, GL_NV_light_max_exponent,
GL_NV_packed_depth_stencil, GL_NV_primitive_restart,
GL_NV_texgen_reflection, GL_NV_texture_barrier,
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 3.0 Mesa 18.0.0-rc5
OpenGL ES profile shading language version string: OpenGL ES GLSL ES 3.00
OpenGL ES profile extensions:
GL_ANGLE_texture_compression_dxt3, GL_ANGLE_texture_compression_dxt5,
GL_APPLE_texture_max_level, GL_EXT_blend_func_extended,
GL_EXT_blend_minmax, GL_EXT_clip_cull_distance, GL_EXT_color_buffer_float,
GL_EXT_compressed_ETC1_RGB8_sub_texture, GL_EXT_discard_framebuffer,
GL_EXT_disjoint_timer_query, GL_EXT_draw_buffers,
GL_EXT_draw_buffers_indexed, 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_polygon_offset_clamp,
GL_EXT_read_format_bgra, GL_EXT_robustness,
GL_EXT_separate_shader_objects, GL_EXT_shader_integer_mix,
GL_EXT_texture_border_clamp, GL_EXT_texture_compression_dxt1,
GL_EXT_texture_filter_anisotropic, GL_EXT_texture_format_BGRA8888,
GL_EXT_texture_rg, GL_EXT_texture_sRGB_decode,
GL_EXT_texture_type_2_10_10_10_REV, GL_EXT_unpack_subimage,
GL_INTEL_performance_query, GL_KHR_blend_equation_advanced,
GL_KHR_context_flush_control, GL_KHR_debug, GL_KHR_no_error,
GL_KHR_robustness, GL_MESA_shader_integer_functions, 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_compressed_ETC1_RGB8_texture, GL_OES_depth24, GL_OES_depth_texture,
GL_OES_depth_texture_cube_map, GL_OES_draw_buffers_indexed,
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_sample_shading, GL_OES_sample_variables,
GL_OES_shader_multisample_interpolation, 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_float_linear, GL_OES_texture_half_float,
GL_OES_texture_half_float_linear, GL_OES_texture_npot,
GL_OES_vertex_array_object, GL_OES_vertex_half_float
70 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
----------------------------------------------------------------------------
0x047 24 tc 0 32 0 r y . 8 8 8 8 . . 0 24 8 0 0 0 0 0 0 None
0x048 24 dc 0 32 0 r y . 8 8 8 8 . . 0 24 8 0 0 0 0 0 0 None
0x134 24 tc 0 32 0 r y . 8 8 8 8 . . 0 0 0 0 0 0 0 0 0 None
0x135 24 tc 0 32 0 r . . 8 8 8 8 . . 0 0 0 0 0 0 0 0 0 None
0x136 24 tc 0 32 0 r . . 8 8 8 8 . . 0 24 8 0 0 0 0 0 0 None
0x137 24 tc 0 24 0 r y . 8 8 8 0 . . 0 0 0 0 0 0 0 0 0 None
0x138 24 tc 0 24 0 r . . 8 8 8 0 . . 0 0 0 0 0 0 0 0 0 None
0x139 24 tc 0 24 0 r y . 8 8 8 0 . . 0 24 8 0 0 0 0 0 0 None
0x13a 24 tc 0 24 0 r . . 8 8 8 0 . . 0 24 8 0 0 0 0 0 0 None
0x13b 24 tc 0 32 0 r y . 8 8 8 8 . s 0 0 0 0 0 0 0 0 0 None
0x13c 24 tc 0 32 0 r . . 8 8 8 8 . s 0 0 0 0 0 0 0 0 0 None
0x13d 24 tc 0 32 0 r y . 8 8 8 8 . s 0 24 8 0 0 0 0 0 0 None
0x13e 24 tc 0 32 0 r . . 8 8 8 8 . s 0 24 8 0 0 0 0 0 0 None
0x13f 24 tc 0 32 0 r y . 8 8 8 8 . . 0 24 8 0 0 0 0 0 0 None
0x140 24 tc 0 32 0 r y . 8 8 8 8 . . 0 24 8 16 16 16 16 0 0 Slow
0x141 24 tc 0 24 0 r y . 8 8 8 0 . . 0 24 8 0 0 0 0 0 0 None
0x142 24 tc 0 24 0 r y . 8 8 8 0 . . 0 24 8 16 16 16 0 0 0 Slow
0x143 24 tc 0 32 0 r y . 8 8 8 8 . s 0 24 8 0 0 0 0 0 0 None
0x144 24 tc 0 32 0 r y . 8 8 8 8 . s 0 24 8 16 16 16 16 0 0 Slow
0x145 24 tc 0 32 0 r y . 8 8 8 8 . . 0 0 0 0 0 0 0 4 1 None
0x146 24 tc 0 32 0 r y . 8 8 8 8 . . 0 0 0 0 0 0 0 8 1 None
0x147 24 tc 0 32 0 r y . 8 8 8 8 . . 0 24 8 0 0 0 0 4 1 None
0x148 24 tc 0 32 0 r y . 8 8 8 8 . . 0 24 8 0 0 0 0 8 1 None
0x149 24 tc 0 24 0 r y . 8 8 8 0 . . 0 0 0 0 0 0 0 4 1 None
0x14a 24 tc 0 24 0 r y . 8 8 8 0 . . 0 0 0 0 0 0 0 8 1 None
0x14b 24 tc 0 24 0 r y . 8 8 8 0 . . 0 24 8 0 0 0 0 4 1 None
0x14c 24 tc 0 24 0 r y . 8 8 8 0 . . 0 24 8 0 0 0 0 8 1 None
0x14d 24 tc 0 32 0 r y . 8 8 8 8 . s 0 0 0 0 0 0 0 4 1 None
0x14e 24 tc 0 32 0 r y . 8 8 8 8 . s 0 0 0 0 0 0 0 8 1 None
0x14f 24 tc 0 32 0 r y . 8 8 8 8 . s 0 24 8 0 0 0 0 4 1 None
0x150 24 tc 0 32 0 r y . 8 8 8 8 . s 0 24 8 0 0 0 0 8 1 None
0x151 24 dc 0 32 0 r y . 8 8 8 8 . . 0 0 0 0 0 0 0 0 0 None
0x152 24 dc 0 32 0 r . . 8 8 8 8 . . 0 0 0 0 0 0 0 0 0 None
0x153 24 dc 0 32 0 r . . 8 8 8 8 . . 0 24 8 0 0 0 0 0 0 None
0x154 24 dc 0 24 0 r y . 8 8 8 0 . . 0 0 0 0 0 0 0 0 0 None
0x155 24 dc 0 24 0 r . . 8 8 8 0 . . 0 0 0 0 0 0 0 0 0 None
0x156 24 dc 0 24 0 r y . 8 8 8 0 . . 0 24 8 0 0 0 0 0 0 None
0x157 24 dc 0 24 0 r . . 8 8 8 0 . . 0 24 8 0 0 0 0 0 0 None
0x158 24 dc 0 32 0 r y . 8 8 8 8 . s 0 0 0 0 0 0 0 0 0 None
0x159 24 dc 0 32 0 r . . 8 8 8 8 . s 0 0 0 0 0 0 0 0 0 None
0x15a 24 dc 0 32 0 r y . 8 8 8 8 . s 0 24 8 0 0 0 0 0 0 None
0x15b 24 dc 0 32 0 r . . 8 8 8 8 . s 0 24 8 0 0 0 0 0 0 None
0x15c 24 dc 0 32 0 r y . 8 8 8 8 . . 0 24 8 0 0 0 0 0 0 None
0x15d 24 dc 0 32 0 r y . 8 8 8 8 . . 0 24 8 16 16 16 16 0 0 Slow
0x15e 24 dc 0 24 0 r y . 8 8 8 0 . . 0 24 8 0 0 0 0 0 0 None
0x15f 24 dc 0 24 0 r y . 8 8 8 0 . . 0 24 8 16 16 16 0 0 0 Slow
0x160 24 dc 0 32 0 r y . 8 8 8 8 . s 0 24 8 0 0 0 0 0 0 None
0x161 24 dc 0 32 0 r y . 8 8 8 8 . s 0 24 8 16 16 16 16 0 0 Slow
0x162 24 dc 0 32 0 r y . 8 8 8 8 . . 0 0 0 0 0 0 0 4 1 None
0x163 24 dc 0 32 0 r y . 8 8 8 8 . . 0 0 0 0 0 0 0 8 1 None
0x164 24 dc 0 32 0 r y . 8 8 8 8 . . 0 24 8 0 0 0 0 4 1 None
0x165 24 dc 0 32 0 r y . 8 8 8 8 . . 0 24 8 0 0 0 0 8 1 None
0x166 24 dc 0 24 0 r y . 8 8 8 0 . . 0 0 0 0 0 0 0 4 1 None
0x167 24 dc 0 24 0 r y . 8 8 8 0 . . 0 0 0 0 0 0 0 8 1 None
0x168 24 dc 0 24 0 r y . 8 8 8 0 . . 0 24 8 0 0 0 0 4 1 None
0x169 24 dc 0 24 0 r y . 8 8 8 0 . . 0 24 8 0 0 0 0 8 1 None
0x16a 24 dc 0 32 0 r y . 8 8 8 8 . s 0 0 0 0 0 0 0 4 1 None
0x16b 24 dc 0 32 0 r y . 8 8 8 8 . s 0 0 0 0 0 0 0 8 1 None
0x16c 24 dc 0 32 0 r y . 8 8 8 8 . s 0 24 8 0 0 0 0 4 1 None
0x16d 24 dc 0 32 0 r y . 8 8 8 8 . s 0 24 8 0 0 0 0 8 1 None
0x0d5 32 tc 0 32 0 r y . 8 8 8 8 . . 0 24 8 0 0 0 0 0 0 None
0x16e 32 tc 0 32 0 r y . 8 8 8 8 . . 0 0 0 0 0 0 0 0 0 None
0x16f 32 tc 0 32 0 r . . 8 8 8 8 . . 0 0 0 0 0 0 0 0 0 None
0x170 32 tc 0 32 0 r . . 8 8 8 8 . . 0 24 8 0 0 0 0 0 0 None
0x171 32 tc 0 32 0 r y . 8 8 8 8 . s 0 0 0 0 0 0 0 0 0 None
0x172 32 tc 0 32 0 r . . 8 8 8 8 . s 0 0 0 0 0 0 0 0 0 None
0x173 32 tc 0 32 0 r y . 8 8 8 8 . s 0 24 8 0 0 0 0 0 0 None
0x174 32 tc 0 32 0 r . . 8 8 8 8 . s 0 24 8 0 0 0 0 0 0 None
0x175 32 tc 0 32 0 r y . 8 8 8 8 . . 0 24 8 0 0 0 0 0 0 None
0x176 32 tc 0 32 0 r y . 8 8 8 8 . s 0 24 8 0 0 0 0 0 0 None
94 GLXFBConfigs:
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
----------------------------------------------------------------------------
0x0d6 0 tc 0 16 0 r y . 5 6 5 0 . . 0 0 0 0 0 0 0 0 0 None
0x0d7 0 tc 0 16 0 r . . 5 6 5 0 . . 0 0 0 0 0 0 0 0 0 None
0x0d8 0 tc 0 16 0 r y . 5 6 5 0 . . 0 16 0 0 0 0 0 0 0 None
0x0d9 0 tc 0 16 0 r . . 5 6 5 0 . . 0 16 0 0 0 0 0 0 0 None
0x0da 0 tc 0 16 0 r y . 5 6 5 0 . . 0 24 8 0 0 0 0 0 0 None
0x0db 0 tc 0 16 0 r . . 5 6 5 0 . . 0 24 8 0 0 0 0 0 0 None
0x0dc 24 tc 0 32 0 r y . 8 8 8 8 . . 0 0 0 0 0 0 0 0 0 None
0x0dd 24 tc 0 32 0 r . . 8 8 8 8 . . 0 0 0 0 0 0 0 0 0 None
0x0de 24 tc 0 32 0 r y . 8 8 8 8 . . 0 24 8 0 0 0 0 0 0 None
0x0df 24 tc 0 32 0 r . . 8 8 8 8 . . 0 24 8 0 0 0 0 0 0 None
0x0e0 24 tc 0 24 0 r y . 8 8 8 0 . . 0 0 0 0 0 0 0 0 0 None
0x0e1 24 tc 0 24 0 r . . 8 8 8 0 . . 0 0 0 0 0 0 0 0 0 None
0x0e2 24 tc 0 24 0 r y . 8 8 8 0 . . 0 24 8 0 0 0 0 0 0 None
0x0e3 24 tc 0 24 0 r . . 8 8 8 0 . . 0 24 8 0 0 0 0 0 0 None
0x0e4 24 tc 0 32 0 r y . 8 8 8 8 . s 0 0 0 0 0 0 0 0 0 None
0x0e5 24 tc 0 32 0 r . . 8 8 8 8 . s 0 0 0 0 0 0 0 0 0 None
0x0e6 24 tc 0 32 0 r y . 8 8 8 8 . s 0 24 8 0 0 0 0 0 0 None
0x0e7 24 tc 0 32 0 r . . 8 8 8 8 . s 0 24 8 0 0 0 0 0 0 None
0x0e8 0 tc 0 16 0 r y . 5 6 5 0 . . 0 16 0 0 0 0 0 0 0 None
0x0e9 0 tc 0 16 0 r y . 5 6 5 0 . . 0 16 0 16 16 16 0 0 0 Slow
0x0ea 24 tc 0 32 0 r y . 8 8 8 8 . . 0 24 8 0 0 0 0 0 0 None
0x0eb 24 tc 0 32 0 r y . 8 8 8 8 . . 0 24 8 16 16 16 16 0 0 Slow
0x0ec 24 tc 0 24 0 r y . 8 8 8 0 . . 0 24 8 0 0 0 0 0 0 None
0x0ed 24 tc 0 24 0 r y . 8 8 8 0 . . 0 24 8 16 16 16 0 0 0 Slow
0x0ee 24 tc 0 32 0 r y . 8 8 8 8 . s 0 24 8 0 0 0 0 0 0 None
0x0ef 24 tc 0 32 0 r y . 8 8 8 8 . s 0 24 8 16 16 16 16 0 0 Slow
0x0f0 0 tc 0 16 0 r y . 5 6 5 0 . . 0 0 0 0 0 0 0 4 1 None
0x0f1 0 tc 0 16 0 r y . 5 6 5 0 . . 0 0 0 0 0 0 0 8 1 None
0x0f2 0 tc 0 16 0 r y . 5 6 5 0 . . 0 16 0 0 0 0 0 4 1 None
0x0f3 0 tc 0 16 0 r y . 5 6 5 0 . . 0 16 0 0 0 0 0 8 1 None
0x0f4 24 tc 0 32 0 r y . 8 8 8 8 . . 0 0 0 0 0 0 0 4 1 None
0x0f5 24 tc 0 32 0 r y . 8 8 8 8 . . 0 0 0 0 0 0 0 8 1 None
0x0f6 24 tc 0 32 0 r y . 8 8 8 8 . . 0 24 8 0 0 0 0 4 1 None
0x0f7 24 tc 0 32 0 r y . 8 8 8 8 . . 0 24 8 0 0 0 0 8 1 None
0x0f8 24 tc 0 24 0 r y . 8 8 8 0 . . 0 0 0 0 0 0 0 4 1 None
0x0f9 24 tc 0 24 0 r y . 8 8 8 0 . . 0 0 0 0 0 0 0 8 1 None
0x0fa 24 tc 0 24 0 r y . 8 8 8 0 . . 0 24 8 0 0 0 0 4 1 None
0x0fb 24 tc 0 24 0 r y . 8 8 8 0 . . 0 24 8 0 0 0 0 8 1 None
0x0fc 24 tc 0 32 0 r y . 8 8 8 8 . s 0 0 0 0 0 0 0 4 1 None
0x0fd 24 tc 0 32 0 r y . 8 8 8 8 . s 0 0 0 0 0 0 0 8 1 None
0x0fe 24 tc 0 32 0 r y . 8 8 8 8 . s 0 24 8 0 0 0 0 4 1 None
0x0ff 24 tc 0 32 0 r y . 8 8 8 8 . s 0 24 8 0 0 0 0 8 1 None
0x100 0 dc 0 16 0 r y . 5 6 5 0 . . 0 0 0 0 0 0 0 0 0 None
0x101 0 dc 0 16 0 r . . 5 6 5 0 . . 0 0 0 0 0 0 0 0 0 None
0x102 0 dc 0 16 0 r y . 5 6 5 0 . . 0 16 0 0 0 0 0 0 0 None
0x103 0 dc 0 16 0 r . . 5 6 5 0 . . 0 16 0 0 0 0 0 0 0 None
0x104 0 dc 0 16 0 r y . 5 6 5 0 . . 0 24 8 0 0 0 0 0 0 None
0x105 0 dc 0 16 0 r . . 5 6 5 0 . . 0 24 8 0 0 0 0 0 0 None
0x106 24 dc 0 32 0 r y . 8 8 8 8 . . 0 0 0 0 0 0 0 0 0 None
0x107 24 dc 0 32 0 r . . 8 8 8 8 . . 0 0 0 0 0 0 0 0 0 None
0x108 24 dc 0 32 0 r y . 8 8 8 8 . . 0 24 8 0 0 0 0 0 0 None
0x109 24 dc 0 32 0 r . . 8 8 8 8 . . 0 24 8 0 0 0 0 0 0 None
0x10a 24 dc 0 24 0 r y . 8 8 8 0 . . 0 0 0 0 0 0 0 0 0 None
0x10b 24 dc 0 24 0 r . . 8 8 8 0 . . 0 0 0 0 0 0 0 0 0 None
0x10c 24 dc 0 24 0 r y . 8 8 8 0 . . 0 24 8 0 0 0 0 0 0 None
0x10d 24 dc 0 24 0 r . . 8 8 8 0 . . 0 24 8 0 0 0 0 0 0 None
0x10e 24 dc 0 32 0 r y . 8 8 8 8 . s 0 0 0 0 0 0 0 0 0 None
0x10f 24 dc 0 32 0 r . . 8 8 8 8 . s 0 0 0 0 0 0 0 0 0 None
0x110 24 dc 0 32 0 r y . 8 8 8 8 . s 0 24 8 0 0 0 0 0 0 None
0x111 24 dc 0 32 0 r . . 8 8 8 8 . s 0 24 8 0 0 0 0 0 0 None
0x112 0 dc 0 16 0 r y . 5 6 5 0 . . 0 16 0 0 0 0 0 0 0 None
0x113 0 dc 0 16 0 r y . 5 6 5 0 . . 0 16 0 16 16 16 0 0 0 Slow
0x114 24 dc 0 32 0 r y . 8 8 8 8 . . 0 24 8 0 0 0 0 0 0 None
0x115 24 dc 0 32 0 r y . 8 8 8 8 . . 0 24 8 16 16 16 16 0 0 Slow
0x116 24 dc 0 24 0 r y . 8 8 8 0 . . 0 24 8 0 0 0 0 0 0 None
0x117 24 dc 0 24 0 r y . 8 8 8 0 . . 0 24 8 16 16 16 0 0 0 Slow
0x118 24 dc 0 32 0 r y . 8 8 8 8 . s 0 24 8 0 0 0 0 0 0 None
0x119 24 dc 0 32 0 r y . 8 8 8 8 . s 0 24 8 16 16 16 16 0 0 Slow
0x11a 0 dc 0 16 0 r y . 5 6 5 0 . . 0 0 0 0 0 0 0 4 1 None
0x11b 0 dc 0 16 0 r y . 5 6 5 0 . . 0 0 0 0 0 0 0 8 1 None
0x11c 0 dc 0 16 0 r y . 5 6 5 0 . . 0 16 0 0 0 0 0 4 1 None
0x11d 0 dc 0 16 0 r y . 5 6 5 0 . . 0 16 0 0 0 0 0 8 1 None
0x11e 24 dc 0 32 0 r y . 8 8 8 8 . . 0 0 0 0 0 0 0 4 1 None
0x11f 24 dc 0 32 0 r y . 8 8 8 8 . . 0 0 0 0 0 0 0 8 1 None
0x120 24 dc 0 32 0 r y . 8 8 8 8 . . 0 24 8 0 0 0 0 4 1 None
0x121 24 dc 0 32 0 r y . 8 8 8 8 . . 0 24 8 0 0 0 0 8 1 None
0x122 24 dc 0 24 0 r y . 8 8 8 0 . . 0 0 0 0 0 0 0 4 1 None
0x123 24 dc 0 24 0 r y . 8 8 8 0 . . 0 0 0 0 0 0 0 8 1 None
0x124 24 dc 0 24 0 r y . 8 8 8 0 . . 0 24 8 0 0 0 0 4 1 None
0x125 24 dc 0 24 0 r y . 8 8 8 0 . . 0 24 8 0 0 0 0 8 1 None
0x126 24 dc 0 32 0 r y . 8 8 8 8 . s 0 0 0 0 0 0 0 4 1 None
0x127 24 dc 0 32 0 r y . 8 8 8 8 . s 0 0 0 0 0 0 0 8 1 None
0x128 24 dc 0 32 0 r y . 8 8 8 8 . s 0 24 8 0 0 0 0 4 1 None
0x129 24 dc 0 32 0 r y . 8 8 8 8 . s 0 24 8 0 0 0 0 8 1 None
0x12a 32 tc 0 32 0 r y . 8 8 8 8 . . 0 0 0 0 0 0 0 0 0 None
0x12b 32 tc 0 32 0 r . . 8 8 8 8 . . 0 0 0 0 0 0 0 0 0 None
0x12c 32 tc 0 32 0 r y . 8 8 8 8 . . 0 24 8 0 0 0 0 0 0 None
0x12d 32 tc 0 32 0 r . . 8 8 8 8 . . 0 24 8 0 0 0 0 0 0 None
0x12e 32 tc 0 32 0 r y . 8 8 8 8 . s 0 0 0 0 0 0 0 0 0 None
0x12f 32 tc 0 32 0 r . . 8 8 8 8 . s 0 0 0 0 0 0 0 0 0 None
0x130 32 tc 0 32 0 r y . 8 8 8 8 . s 0 24 8 0 0 0 0 0 0 None
0x131 32 tc 0 32 0 r . . 8 8 8 8 . s 0 24 8 0 0 0 0 0 0 None
0x132 32 tc 0 32 0 r y . 8 8 8 8 . . 0 24 8 0 0 0 0 0 0 None
0x133 32 tc 0 32 0 r y . 8 8 8 8 . s 0 24 8 0 0 0 0 0 0 None
Just the versions:
GLX version: 1.4
OpenGL core profile version string: 4.2 (Core Profile) Mesa 18.0.0-rc5
OpenGL core profile shading language version string: 4.20
OpenGL version string: 3.0 Mesa 18.0.0-rc5
OpenGL shading language version string: 1.30
OpenGL ES profile version string: OpenGL ES 3.0 Mesa 18.0.0-rc5
OpenGL ES profile shading language version string: OpenGL ES GLSL ES 3.00
Okay so I have something that reproduces it, though not as minimal as I'd like. It's on the glxbadfbconfig-failed-to-get-root-window branch of multithread_window. Commands:
git clone -b glxbadfbconfig-failed-to-get-root-window --depth 1 [email protected]:azriel91/multithread_window.git
cd multithread_window
cargo run # to compile it
for i in {1..20}; do target/debug/multithread_window; done
This branch goes through the Amethyst stack, so compilation takes a number of minutes; I couldn't reproduce the issue simply through gfx_window_glutin + trying to mimic Amethyst's window + GL initialization code.
Some sample output, which contains https://github.com/tomaka/glutin/issues/1034:
Spawned threads.
Waited for 100 ms.
Spawned threads.
[xcb] Unknown sequence number while processing queue
[xcb] Most likely this is a multi-threaded client and XInitThreads has not been called
[xcb] Aborting, sorry about that.
multithread_window: ../../src/xcb_io.c:259: poll_for_event: Assertion `!xcb_xlib_threads_sequence_lost' failed.
Spawned threads.
Waited for 100 ms.
thread '<unnamed>' panicked at 'called `Result::unwrap()` on an `Err` value: OsError("glxGetVisualFromFBConfig failed")', libcore/result.rs:945:5
Spawned threads.
[winit X11 error] XError {
description: "GLXBadFBConfig",
error_code: 179,
request_code: 155,
minor_code: 34
}
thread '<unnamed>' panicked at 'Failed to get root window: XError { description: "GLXBadFBConfig", error_code: 179, request_code: 155, minor_code: 34 }', libcore/result.rs:945:5
note: Run with `RUST_BACKTRACE=1` for a backtrace.
(note: I've removed duplicates in the sample output so the frequency of errors isn't authoritative)
#1034 has been fixed by sending a patch upstream to mesa. I however know for a fact that this wasn't fixed, as I've experienced despite my patch.
Alas, this is 100% a mesa bug, and should be filed with them. More specifically, a glx one.
