This bug is affecting me as well. I just ran `ubuntu-bug gnome-shell`,
hopefully you can see my files?

-- 
You received this bug notification because you are a member of Desktop
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https://bugs.launchpad.net/bugs/1696305

Title:
  High CPU usage in gnome-shell just redrawing the screen (Firefox is
  running)

Status in gnome-shell package in Ubuntu:
  Incomplete
Status in mutter package in Ubuntu:
  Incomplete

Bug description:
  Even when doing nothing at all, gnome-shell uses around 70% CPU.

  ```
  inxi -t cm
  Processes: CPU: % used - top 5 active
             1: cpu: 68.6% command: gnome-shell pid: 1399
             2: cpu: 50.4% command: Xwayland pid: 1405
             3: cpu: 19.7% command: firefox pid: 3684
             4: cpu: 2.4% command: gnome-shell pid: 1859
             5: cpu: 1.5% command: gnome-tweak-tool (started by: python) pid: 
13603
             Memory: MB / % used - Used/Total: 2350.1/11897.0MB - top 5 active
             1: mem: 1033.63MB (8.6%) command: firefox pid: 3684
             2: mem: 317.59MB (2.6%) command: gnome-shell pid: 1859
             3: mem: 267.55MB (2.2%) command: gnome-software pid: 2058
             4: mem: 111.25MB (0.9%) command: Xorg pid: 1506
             5: mem: 90.90MB (0.7%) command: nautilus-desktop pid: 2055
  ```

  It's also strange that Xwayland is active as I did choose the "normal" gnome 
session upon signin.
  ```
  echo $XDG_SESSION_TYPE
  x11
  ```

  While searching I found a recent problem with AMD GPUs, but I'm using an 
Intel GPU
  ```
  glxinfo 
  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_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) Haswell Mobile  (0xa16)
      Version: 17.1.0
      Accelerated: yes
      Video memory: 1536MB
      Unified memory: yes
      Preferred profile: core (0x1)
      Max core profile version: 4.5
      Max compat profile version: 3.0
      Max GLES1 profile version: 1.1
      Max GLES[23] profile version: 3.1
  OpenGL vendor string: Intel Open Source Technology Center
  OpenGL renderer string: Mesa DRI Intel(R) Haswell Mobile 
  OpenGL core profile version string: 4.5 (Core Profile) Mesa 17.1.0
  OpenGL core profile shading language version string: 4.50
  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_1_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_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_program_interface_query, GL_ARB_provoking_vertex, 
      GL_ARB_query_buffer_object, GL_ARB_robust_buffer_access_behavior, 
      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_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_stencil_texturing, 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_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_stencil8, 
      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_robust_buffer_access_behavior, 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 17.1.0
  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_APPLE_vertex_array_object, 
      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_program_interface_query, GL_ARB_provoking_vertex, 
      GL_ARB_query_buffer_object, GL_ARB_robust_buffer_access_behavior, 
      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_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_stencil_texturing, 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_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_stencil8, 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_robust_buffer_access_behavior, 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 3.1 Mesa 17.1.0
  OpenGL ES profile shading language version string: OpenGL ES GLSL ES 3.10
  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_buffer_storage, GL_EXT_clip_cull_distance, 
      GL_EXT_color_buffer_float, GL_EXT_compressed_ETC1_RGB8_sub_texture, 
      GL_EXT_discard_framebuffer, GL_EXT_draw_buffers, 
      GL_EXT_draw_buffers_indexed, GL_EXT_draw_elements_base_vertex, 
      GL_EXT_frag_depth, GL_EXT_geometry_point_size, GL_EXT_geometry_shader, 
      GL_EXT_gpu_shader5, GL_EXT_map_buffer_range, GL_EXT_multi_draw_arrays, 
      GL_EXT_polygon_offset_clamp, GL_EXT_primitive_bounding_box, 
      GL_EXT_read_format_bgra, GL_EXT_robustness, 
      GL_EXT_separate_shader_objects, GL_EXT_shader_integer_mix, 
      GL_EXT_shader_io_blocks, GL_EXT_shader_samples_identical, 
      GL_EXT_tessellation_point_size, GL_EXT_tessellation_shader, 
      GL_EXT_texture_border_clamp, GL_EXT_texture_buffer, 
      GL_EXT_texture_compression_dxt1, GL_EXT_texture_cube_map_array, 
      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_robust_buffer_access_behavior, GL_KHR_robustness, 
      GL_MESA_shader_integer_functions, GL_NV_draw_buffers, 
      GL_NV_fbo_color_attachments, GL_NV_image_formats, 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_geometry_point_size, 
      GL_OES_geometry_shader, GL_OES_get_program_binary, GL_OES_gpu_shader5, 
      GL_OES_mapbuffer, GL_OES_packed_depth_stencil, 
      GL_OES_primitive_bounding_box, GL_OES_rgb8_rgba8, GL_OES_sample_shading, 
      GL_OES_sample_variables, GL_OES_shader_image_atomic, 
      GL_OES_shader_io_blocks, GL_OES_shader_multisample_interpolation, 
      GL_OES_standard_derivatives, GL_OES_stencil8, GL_OES_surfaceless_context, 
      GL_OES_tessellation_point_size, GL_OES_tessellation_shader, 
      GL_OES_texture_3D, GL_OES_texture_border_clamp, GL_OES_texture_buffer, 
      GL_OES_texture_cube_map_array, 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_texture_stencil8, GL_OES_texture_storage_multisample_2d_array, 
      GL_OES_vertex_array_object, GL_OES_vertex_half_float, 
      GL_OES_viewport_array

  40 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
  ----------------------------------------------------------------------------
  0x041 24 tc  0  32  0 r  y .   8  8  8  8 .  .  0 24  8  0  0  0  0  0 0 None
  0x042 24 dc  0  32  0 r  y .   8  8  8  8 .  .  0 24  8  0  0  0  0  0 0 None
  0x0ec 24 tc  0  32  0 r  y .   8  8  8  8 .  .  0  0  0  0  0  0  0  0 0 None
  0x0ed 24 tc  0  32  0 r  . .   8  8  8  8 .  .  0  0  0  0  0  0  0  0 0 None
  0x0ee 24 tc  0  32  0 r  . .   8  8  8  8 .  .  0 24  8  0  0  0  0  0 0 None
  0x0ef 24 tc  0  24  0 r  y .   8  8  8  0 .  .  0  0  0  0  0  0  0  0 0 None
  0x0f0 24 tc  0  24  0 r  . .   8  8  8  0 .  .  0  0  0  0  0  0  0  0 0 None
  0x0f1 24 tc  0  24  0 r  y .   8  8  8  0 .  .  0 24  8  0  0  0  0  0 0 None
  0x0f2 24 tc  0  24  0 r  . .   8  8  8  0 .  .  0 24  8  0  0  0  0  0 0 None
  0x0f3 24 tc  0  32  0 r  y .   8  8  8  8 .  .  0 24  8 16 16 16 16  0 0 Slow
  0x0f4 24 tc  0  24  0 r  y .   8  8  8  0 .  .  0 24  8  0  0  0  0  0 0 None
  0x0f5 24 tc  0  24  0 r  y .   8  8  8  0 .  .  0 24  8 16 16 16  0  0 0 Slow
  0x0f6 24 tc  0  32  0 r  y .   8  8  8  8 .  .  0  0  0  0  0  0  0  4 1 None
  0x0f7 24 tc  0  32  0 r  y .   8  8  8  8 .  .  0  0  0  0  0  0  0  8 1 None
  0x0f8 24 tc  0  32  0 r  y .   8  8  8  8 .  .  0 24  8  0  0  0  0  4 1 None
  0x0f9 24 tc  0  32  0 r  y .   8  8  8  8 .  .  0 24  8  0  0  0  0  8 1 None
  0x0fa 24 tc  0  24  0 r  y .   8  8  8  0 .  .  0  0  0  0  0  0  0  4 1 None
  0x0fb 24 tc  0  24  0 r  y .   8  8  8  0 .  .  0  0  0  0  0  0  0  8 1 None
  0x0fc 24 tc  0  24  0 r  y .   8  8  8  0 .  .  0 24  8  0  0  0  0  4 1 None
  0x0fd 24 tc  0  24  0 r  y .   8  8  8  0 .  .  0 24  8  0  0  0  0  8 1 None
  0x0fe 24 dc  0  32  0 r  y .   8  8  8  8 .  .  0  0  0  0  0  0  0  0 0 None
  0x0ff 24 dc  0  32  0 r  . .   8  8  8  8 .  .  0  0  0  0  0  0  0  0 0 None
  0x100 24 dc  0  32  0 r  . .   8  8  8  8 .  .  0 24  8  0  0  0  0  0 0 None
  0x101 24 dc  0  24  0 r  y .   8  8  8  0 .  .  0  0  0  0  0  0  0  0 0 None
  0x102 24 dc  0  24  0 r  . .   8  8  8  0 .  .  0  0  0  0  0  0  0  0 0 None
  0x103 24 dc  0  24  0 r  y .   8  8  8  0 .  .  0 24  8  0  0  0  0  0 0 None
  0x104 24 dc  0  24  0 r  . .   8  8  8  0 .  .  0 24  8  0  0  0  0  0 0 None
  0x105 24 dc  0  32  0 r  y .   8  8  8  8 .  .  0 24  8  0  0  0  0  0 0 None
  0x106 24 dc  0  32  0 r  y .   8  8  8  8 .  .  0 24  8 16 16 16 16  0 0 Slow
  0x107 24 dc  0  24  0 r  y .   8  8  8  0 .  .  0 24  8  0  0  0  0  0 0 None
  0x108 24 dc  0  24  0 r  y .   8  8  8  0 .  .  0 24  8 16 16 16  0  0 0 Slow
  0x109 24 dc  0  32  0 r  y .   8  8  8  8 .  .  0  0  0  0  0  0  0  4 1 None
  0x10a 24 dc  0  32  0 r  y .   8  8  8  8 .  .  0  0  0  0  0  0  0  8 1 None
  0x10b 24 dc  0  32  0 r  y .   8  8  8  8 .  .  0 24  8  0  0  0  0  4 1 None
  0x10c 24 dc  0  32  0 r  y .   8  8  8  8 .  .  0 24  8  0  0  0  0  8 1 None
  0x10d 24 dc  0  24  0 r  y .   8  8  8  0 .  .  0  0  0  0  0  0  0  4 1 None
  0x10e 24 dc  0  24  0 r  y .   8  8  8  0 .  .  0  0  0  0  0  0  0  8 1 None
  0x10f 24 dc  0  24  0 r  y .   8  8  8  0 .  .  0 24  8  0  0  0  0  4 1 None
  0x110 24 dc  0  24  0 r  y .   8  8  8  0 .  .  0 24  8  0  0  0  0  8 1 None
  0x0ab 32 tc  0  32  0 r  y .   8  8  8  8 .  .  0 24  8  0  0  0  0  0 0 None

  64 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
  ----------------------------------------------------------------------------
  0x0ac  0 tc  0  16  0 r  y .   5  6  5  0 .  .  0  0  0  0  0  0  0  0 0 None
  0x0ad  0 tc  0  16  0 r  . .   5  6  5  0 .  .  0  0  0  0  0  0  0  0 0 None
  0x0ae  0 tc  0  16  0 r  y .   5  6  5  0 .  .  0 16  0  0  0  0  0  0 0 None
  0x0af  0 tc  0  16  0 r  . .   5  6  5  0 .  .  0 16  0  0  0  0  0  0 0 None
  0x0b0  0 tc  0  16  0 r  y .   5  6  5  0 .  .  0 24  8  0  0  0  0  0 0 None
  0x0b1  0 tc  0  16  0 r  . .   5  6  5  0 .  .  0 24  8  0  0  0  0  0 0 None
  0x0b2 24 tc  0  32  0 r  y .   8  8  8  8 .  .  0  0  0  0  0  0  0  0 0 None
  0x0b3 24 tc  0  32  0 r  . .   8  8  8  8 .  .  0  0  0  0  0  0  0  0 0 None
  0x0b4 24 tc  0  32  0 r  y .   8  8  8  8 .  .  0 24  8  0  0  0  0  0 0 None
  0x0b5 24 tc  0  32  0 r  . .   8  8  8  8 .  .  0 24  8  0  0  0  0  0 0 None
  0x0b6 24 tc  0  24  0 r  y .   8  8  8  0 .  .  0  0  0  0  0  0  0  0 0 None
  0x0b7 24 tc  0  24  0 r  . .   8  8  8  0 .  .  0  0  0  0  0  0  0  0 0 None
  0x0b8 24 tc  0  24  0 r  y .   8  8  8  0 .  .  0 24  8  0  0  0  0  0 0 None
  0x0b9 24 tc  0  24  0 r  . .   8  8  8  0 .  .  0 24  8  0  0  0  0  0 0 None
  0x0ba  0 tc  0  16  0 r  y .   5  6  5  0 .  .  0 16  0  0  0  0  0  0 0 None
  0x0bb  0 tc  0  16  0 r  y .   5  6  5  0 .  .  0 16  0 16 16 16  0  0 0 Slow
  0x0bc 32 tc  0  32  0 r  y .   8  8  8  8 .  .  0 24  8  0  0  0  0  0 0 None
  0x0bd 24 tc  0  32  0 r  y .   8  8  8  8 .  .  0 24  8 16 16 16 16  0 0 Slow
  0x0be 24 tc  0  24  0 r  y .   8  8  8  0 .  .  0 24  8  0  0  0  0  0 0 None
  0x0bf 24 tc  0  24  0 r  y .   8  8  8  0 .  .  0 24  8 16 16 16  0  0 0 Slow
  0x0c0  0 tc  0  16  0 r  y .   5  6  5  0 .  .  0  0  0  0  0  0  0  4 1 None
  0x0c1  0 tc  0  16  0 r  y .   5  6  5  0 .  .  0  0  0  0  0  0  0  8 1 None
  0x0c2  0 tc  0  16  0 r  y .   5  6  5  0 .  .  0 16  0  0  0  0  0  4 1 None
  0x0c3  0 tc  0  16  0 r  y .   5  6  5  0 .  .  0 16  0  0  0  0  0  8 1 None
  0x0c4 24 tc  0  32  0 r  y .   8  8  8  8 .  .  0  0  0  0  0  0  0  4 1 None
  0x0c5 24 tc  0  32  0 r  y .   8  8  8  8 .  .  0  0  0  0  0  0  0  8 1 None
  0x0c6 24 tc  0  32  0 r  y .   8  8  8  8 .  .  0 24  8  0  0  0  0  4 1 None
  0x0c7 24 tc  0  32  0 r  y .   8  8  8  8 .  .  0 24  8  0  0  0  0  8 1 None
  0x0c8 24 tc  0  24  0 r  y .   8  8  8  0 .  .  0  0  0  0  0  0  0  4 1 None
  0x0c9 24 tc  0  24  0 r  y .   8  8  8  0 .  .  0  0  0  0  0  0  0  8 1 None
  0x0ca 24 tc  0  24  0 r  y .   8  8  8  0 .  .  0 24  8  0  0  0  0  4 1 None
  0x0cb 24 tc  0  24  0 r  y .   8  8  8  0 .  .  0 24  8  0  0  0  0  8 1 None
  0x0cc  0 dc  0  16  0 r  y .   5  6  5  0 .  .  0  0  0  0  0  0  0  0 0 None
  0x0cd  0 dc  0  16  0 r  . .   5  6  5  0 .  .  0  0  0  0  0  0  0  0 0 None
  0x0ce  0 dc  0  16  0 r  y .   5  6  5  0 .  .  0 16  0  0  0  0  0  0 0 None
  0x0cf  0 dc  0  16  0 r  . .   5  6  5  0 .  .  0 16  0  0  0  0  0  0 0 None
  0x0d0  0 dc  0  16  0 r  y .   5  6  5  0 .  .  0 24  8  0  0  0  0  0 0 None
  0x0d1  0 dc  0  16  0 r  . .   5  6  5  0 .  .  0 24  8  0  0  0  0  0 0 None
  0x0d2 24 dc  0  32  0 r  y .   8  8  8  8 .  .  0  0  0  0  0  0  0  0 0 None
  0x0d3 24 dc  0  32  0 r  . .   8  8  8  8 .  .  0  0  0  0  0  0  0  0 0 None
  0x0d4 24 dc  0  32  0 r  y .   8  8  8  8 .  .  0 24  8  0  0  0  0  0 0 None
  0x0d5 24 dc  0  32  0 r  . .   8  8  8  8 .  .  0 24  8  0  0  0  0  0 0 None
  0x0d6 24 dc  0  24  0 r  y .   8  8  8  0 .  .  0  0  0  0  0  0  0  0 0 None
  0x0d7 24 dc  0  24  0 r  . .   8  8  8  0 .  .  0  0  0  0  0  0  0  0 0 None
  0x0d8 24 dc  0  24  0 r  y .   8  8  8  0 .  .  0 24  8  0  0  0  0  0 0 None
  0x0d9 24 dc  0  24  0 r  . .   8  8  8  0 .  .  0 24  8  0  0  0  0  0 0 None
  0x0da  0 dc  0  16  0 r  y .   5  6  5  0 .  .  0 16  0  0  0  0  0  0 0 None
  0x0db  0 dc  0  16  0 r  y .   5  6  5  0 .  .  0 16  0 16 16 16  0  0 0 Slow
  0x0dc 24 dc  0  32  0 r  y .   8  8  8  8 .  .  0 24  8  0  0  0  0  0 0 None
  0x0dd 24 dc  0  32  0 r  y .   8  8  8  8 .  .  0 24  8 16 16 16 16  0 0 Slow
  0x0de 24 dc  0  24  0 r  y .   8  8  8  0 .  .  0 24  8  0  0  0  0  0 0 None
  0x0df 24 dc  0  24  0 r  y .   8  8  8  0 .  .  0 24  8 16 16 16  0  0 0 Slow
  0x0e0  0 dc  0  16  0 r  y .   5  6  5  0 .  .  0  0  0  0  0  0  0  4 1 None
  0x0e1  0 dc  0  16  0 r  y .   5  6  5  0 .  .  0  0  0  0  0  0  0  8 1 None
  0x0e2  0 dc  0  16  0 r  y .   5  6  5  0 .  .  0 16  0  0  0  0  0  4 1 None
  0x0e3  0 dc  0  16  0 r  y .   5  6  5  0 .  .  0 16  0  0  0  0  0  8 1 None
  0x0e4 24 dc  0  32  0 r  y .   8  8  8  8 .  .  0  0  0  0  0  0  0  4 1 None
  0x0e5 24 dc  0  32  0 r  y .   8  8  8  8 .  .  0  0  0  0  0  0  0  8 1 None
  0x0e6 24 dc  0  32  0 r  y .   8  8  8  8 .  .  0 24  8  0  0  0  0  4 1 None
  0x0e7 24 dc  0  32  0 r  y .   8  8  8  8 .  .  0 24  8  0  0  0  0  8 1 None
  0x0e8 24 dc  0  24  0 r  y .   8  8  8  0 .  .  0  0  0  0  0  0  0  4 1 None
  0x0e9 24 dc  0  24  0 r  y .   8  8  8  0 .  .  0  0  0  0  0  0  0  8 1 None
  0x0ea 24 dc  0  24  0 r  y .   8  8  8  0 .  .  0 24  8  0  0  0  0  4 1 None
  0x0eb 24 dc  0  24  0 r  y .   8  8  8  0 .  .  0 24  8  0  0  0  0  8 1 None
  ```

  ProblemType: Bug
  DistroRelease: Ubuntu 17.10
  Package: gnome-shell 3.24.2-0ubuntu6
  ProcVersionSignature: Ubuntu 4.10.0-22.24-generic 4.10.15
  Uname: Linux 4.10.0-22-generic x86_64
  ApportVersion: 2.20.5-0ubuntu4
  Architecture: amd64
  CurrentDesktop: GNOME
  Date: Wed Jun  7 07:30:40 2017
  DisplayManager: lightdm
  InstallationDate: Installed on 2017-06-03 (3 days ago)
  InstallationMedia: Ubuntu 17.10 "Artful Aardvark" - Alpha amd64 (20170602)
  SourcePackage: gnome-shell
  UpgradeStatus: No upgrade log present (probably fresh install)

To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/gnome-shell/+bug/1696305/+subscriptions

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