https://bugs.kde.org/show_bug.cgi?id=470103
Bug ID: 470103 Summary: Plasma crashed when moving window between displays Classification: Plasma Product: kwin Version: 5.20.5 Platform: Debian stable OS: Linux Status: REPORTED Keywords: drkonqi Severity: crash Priority: NOR Component: general Assignee: kwin-bugs-n...@kde.org Reporter: solly.ucko+...@gmail.com Target Milestone: --- Application: kwin_x11 (5.20.5) Qt Version: 5.15.2 Frameworks Version: 5.78.0 Operating System: Linux 5.10.0-22-amd64 x86_64 Windowing system: X11 Distribution: Debian GNU/Linux 11 (bullseye) -- Information about the crash: - What I was doing when the application crashed: Moving a maximized window (maybe Firefox DevTools while using Responsive Design Mode on a webpage?) between my two physical displays (from the smaller left one to the bigger right one). I had high RAM usage, but enough swap to deal with it. - Unusual behavior I noticed: The window I was moving got stuck between the two displays, the desktop showed for a few seconds on both screens, possibly other glitchiness. - Custom settings of the application that may be related: I have the following Screen Edge actions enabled: top => Show KRunner, left => Present Windows - All Desktops, bottom left => Show Desktop. My displays are aligned at the top, but the left one is shorter. My GPU is: (based on https://askubuntu.com/questions/5417/how-to-get-the-gpu-info) $ sudo lshw -C display *-display description: VGA compatible controller product: Oland PRO [Radeon R7 240/340] vendor: Advanced Micro Devices, Inc. [AMD/ATI] physical id: 0 bus info: pci@0000:07:00.0 version: 87 width: 64 bits clock: 33MHz capabilities: pm pciexpress msi vga_controller bus_master cap_list rom configuration: driver=radeon latency=0 resources: irq:73 memory:e0000000-efffffff memory:fce00000-fce3ffff ioport:e000(size=256) memory:c0000-dffff $ glxinfo | head -n384 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_no_error, 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_no_config_context, 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_no_error, 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_swap_control, GLX_EXT_swap_control_tear, 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_no_error, 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_swap_control, GLX_EXT_swap_control_tear, GLX_EXT_texture_from_pixmap, GLX_EXT_visual_info, GLX_EXT_visual_rating, GLX_INTEL_swap_event, GLX_MESA_copy_sub_buffer, 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: AMD (0x1002) Device: AMD OLAND (DRM 2.50.0, 5.10.0-22-amd64, LLVM 11.0.1) (0x6613) Version: 20.3.5 Accelerated: yes Video memory: 2048MB Unified memory: no Preferred profile: core (0x1) Max core profile version: 4.5 Max compat profile version: 4.5 Max GLES1 profile version: 1.1 Max GLES[23] profile version: 3.2 Memory info (GL_ATI_meminfo): VBO free memory - total: 0 MB, largest block: 0 MB VBO free aux. memory - total: 0 MB, largest block: 0 MB Texture free memory - total: 0 MB, largest block: 0 MB Texture free aux. memory - total: 0 MB, largest block: 0 MB Renderbuffer free memory - total: 0 MB, largest block: 0 MB Renderbuffer free aux. memory - total: 0 MB, largest block: 0 MB Memory info (GL_NVX_gpu_memory_info): Dedicated video memory: 2048 MB Total available memory: 4091 MB Currently available dedicated video memory: 0 MB OpenGL vendor string: AMD OpenGL renderer string: AMD OLAND (DRM 2.50.0, 5.10.0-22-amd64, LLVM 11.0.1) OpenGL core profile version string: 4.5 (Core Profile) Mesa 20.3.5 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_AMD_conservative_depth, GL_AMD_depth_clamp_separate, GL_AMD_draw_buffers_blend, GL_AMD_gpu_shader_int64, GL_AMD_multi_draw_indirect, GL_AMD_performance_monitor, GL_AMD_pinned_memory, GL_AMD_query_buffer_object, GL_AMD_seamless_cubemap_per_texture, GL_AMD_shader_stencil_export, GL_AMD_shader_trinary_minmax, GL_AMD_texture_texture4, GL_AMD_vertex_shader_layer, GL_AMD_vertex_shader_viewport_index, GL_ANGLE_texture_compression_dxt3, GL_ANGLE_texture_compression_dxt5, GL_ARB_ES2_compatibility, GL_ARB_ES3_1_compatibility, GL_ARB_ES3_2_compatibility, GL_ARB_ES3_compatibility, GL_ARB_arrays_of_arrays, GL_ARB_base_instance, GL_ARB_bindless_texture, 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_compute_variable_group_size, 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_gl_spirv, GL_ARB_gpu_shader5, GL_ARB_gpu_shader_fp64, GL_ARB_gpu_shader_int64, 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_parallel_shader_compile, 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_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_ballot, GL_ARB_shader_bit_encoding, GL_ARB_shader_clock, 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_stencil_export, 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_include, GL_ARB_shading_language_packing, GL_ARB_spirv_extensions, 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_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_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_buffer_object, 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_meminfo, GL_ATI_texture_float, GL_ATI_texture_mirror_once, GL_EXT_EGL_image_storage, GL_EXT_EGL_sync, GL_EXT_abgr, GL_EXT_blend_equation_separate, GL_EXT_depth_bounds_test, 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_object, GL_EXT_framebuffer_sRGB, GL_EXT_memory_object, GL_EXT_memory_object_fd, 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_image_load_formatted, GL_EXT_shader_image_load_store, 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_mirror_clamp, GL_EXT_texture_sRGB, GL_EXT_texture_sRGB_R8, GL_EXT_texture_sRGB_decode, GL_EXT_texture_shadow_lod, 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_EXT_vertex_attrib_64bit, GL_EXT_window_rectangles, GL_IBM_multimode_draw_arrays, GL_INTEL_blackhole_render, GL_KHR_blend_equation_advanced, GL_KHR_context_flush_control, GL_KHR_debug, GL_KHR_no_error, GL_KHR_parallel_shader_compile, GL_KHR_robust_buffer_access_behavior, GL_KHR_robustness, GL_KHR_texture_compression_astc_ldr, GL_KHR_texture_compression_astc_sliced_3d, GL_MESA_framebuffer_flip_y, GL_MESA_pack_invert, GL_MESA_shader_integer_functions, GL_MESA_texture_signed_rgba, GL_NVX_gpu_memory_info, GL_NV_alpha_to_coverage_dither_control, GL_NV_conditional_render, GL_NV_copy_image, GL_NV_depth_clamp, GL_NV_packed_depth_stencil, GL_NV_shader_atomic_int64, GL_NV_texture_barrier, GL_NV_vdpau_interop, GL_OES_EGL_image, GL_S3_s3tc OpenGL version string: 4.5 (Compatibility Profile) Mesa 20.3.5 OpenGL shading language version string: 4.50 OpenGL context flags: (none) OpenGL profile mask: compatibility profile OpenGL extensions: GL_AMD_conservative_depth, GL_AMD_depth_clamp_separate, GL_AMD_draw_buffers_blend, GL_AMD_multi_draw_indirect, GL_AMD_performance_monitor, GL_AMD_pinned_memory, GL_AMD_query_buffer_object, GL_AMD_seamless_cubemap_per_texture, GL_AMD_shader_stencil_export, GL_AMD_shader_trinary_minmax, GL_AMD_texture_texture4, GL_AMD_vertex_shader_layer, GL_AMD_vertex_shader_viewport_index, GL_ANGLE_texture_compression_dxt3, GL_ANGLE_texture_compression_dxt5, GL_APPLE_packed_pixels, GL_ARB_ES2_compatibility, GL_ARB_ES3_1_compatibility, GL_ARB_ES3_compatibility, GL_ARB_arrays_of_arrays, GL_ARB_base_instance, GL_ARB_bindless_texture, 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_compatibility, GL_ARB_compressed_texture_pixel_storage, GL_ARB_compute_shader, GL_ARB_compute_variable_group_size, 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_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_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_gl_spirv, GL_ARB_gpu_shader5, GL_ARB_gpu_shader_fp64, GL_ARB_gpu_shader_int64, 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_multisample, GL_ARB_multitexture, GL_ARB_occlusion_query, GL_ARB_occlusion_query2, GL_ARB_parallel_shader_compile, 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_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_ballot, GL_ARB_shader_bit_encoding, GL_ARB_shader_clock, 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_stencil_export, 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_100, GL_ARB_shading_language_420pack, GL_ARB_shading_language_include, GL_ARB_shading_language_packing, GL_ARB_shadow, GL_ARB_spirv_extensions, GL_ARB_stencil_texturing, GL_ARB_sync, GL_ARB_tessellation_shader, GL_ARB_texture_barrier, GL_ARB_texture_border_clamp, GL_ARB_texture_buffer_object, GL_ARB_texture_buffer_object_rgb32, GL_ARB_texture_buffer_range, 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_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_64bit, 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_viewport_array, GL_ARB_window_pos, GL_ATI_blend_equation_separate, GL_ATI_draw_buffers, GL_ATI_fragment_shader, GL_ATI_meminfo, GL_ATI_separate_stencil, GL_ATI_texture_compression_3dc, GL_ATI_texture_env_combine3, GL_ATI_texture_float, GL_ATI_texture_mirror_once, GL_EXT_EGL_image_storage, GL_EXT_EGL_sync, 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_depth_bounds_test, GL_EXT_direct_state_access, 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_gpu_shader4, GL_EXT_memory_object, GL_EXT_memory_object_fd, 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_clamp, GL_EXT_provoking_vertex, GL_EXT_rescale_normal, GL_EXT_secondary_color, GL_EXT_separate_specular_color, GL_EXT_shader_image_load_formatted, GL_EXT_shader_image_load_store, 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_buffer_object, GL_EXT_texture_compression_dxt1, GL_EXT_texture_compression_latc, 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_mirror_clamp, GL_EXT_texture_object, GL_EXT_texture_rectangle, GL_EXT_texture_sRGB, GL_EXT_texture_sRGB_R8, GL_EXT_texture_sRGB_decode, GL_EXT_texture_shadow_lod, 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_EXT_vertex_attrib_64bit, GL_EXT_window_rectangles, GL_IBM_multimode_draw_arrays, GL_IBM_rasterpos_clip, GL_IBM_texture_mirrored_repeat, GL_INGR_blend_func_separate, GL_INTEL_blackhole_render, GL_KHR_blend_equation_advanced, GL_KHR_context_flush_control, GL_KHR_debug, GL_KHR_no_error, GL_KHR_parallel_shader_compile, GL_KHR_robust_buffer_access_behavior, GL_KHR_robustness, GL_KHR_texture_compression_astc_ldr, GL_KHR_texture_compression_astc_sliced_3d, GL_MESA_framebuffer_flip_y, GL_MESA_pack_invert, GL_MESA_shader_integer_functions, GL_MESA_texture_signed_rgba, GL_MESA_window_pos, GL_NVX_gpu_memory_info, GL_NV_alpha_to_coverage_dither_control, GL_NV_blend_square, GL_NV_conditional_render, GL_NV_copy_depth_to_color, GL_NV_copy_image, GL_NV_depth_clamp, GL_NV_fog_distance, GL_NV_half_float, GL_NV_light_max_exponent, GL_NV_packed_depth_stencil, GL_NV_primitive_restart, GL_NV_shader_atomic_int64, GL_NV_texgen_reflection, GL_NV_texture_barrier, GL_NV_texture_env_combine4, GL_NV_texture_rectangle, GL_NV_vdpau_interop, 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 3.2 Mesa 20.3.5 OpenGL ES profile shading language version string: OpenGL ES GLSL ES 3.20 OpenGL ES profile extensions: GL_AMD_performance_monitor, GL_ANDROID_extension_pack_es31a, GL_ANGLE_pack_reverse_row_order, GL_ANGLE_texture_compression_dxt3, GL_ANGLE_texture_compression_dxt5, GL_APPLE_texture_max_level, GL_EXT_EGL_image_storage, GL_EXT_base_instance, GL_EXT_blend_func_extended, GL_EXT_blend_minmax, GL_EXT_buffer_storage, GL_EXT_clip_control, GL_EXT_clip_cull_distance, GL_EXT_color_buffer_float, GL_EXT_color_buffer_half_float, GL_EXT_compressed_ETC1_RGB8_sub_texture, GL_EXT_copy_image, GL_EXT_depth_clamp, 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_draw_instanced, GL_EXT_float_blend, GL_EXT_frag_depth, GL_EXT_geometry_point_size, GL_EXT_geometry_shader, GL_EXT_gpu_shader5, GL_EXT_map_buffer_range, GL_EXT_memory_object, GL_EXT_memory_object_fd, GL_EXT_multi_draw_arrays, GL_EXT_occlusion_query_boolean, GL_EXT_polygon_offset_clamp, GL_EXT_primitive_bounding_box, GL_EXT_read_format_bgra, GL_EXT_render_snorm, GL_EXT_robustness, GL_EXT_sRGB_write_control, GL_EXT_separate_shader_objects, GL_EXT_shader_group_vote, GL_EXT_shader_implicit_conversions, 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_bptc, GL_EXT_texture_compression_dxt1, GL_EXT_texture_compression_rgtc, GL_EXT_texture_compression_s3tc, GL_EXT_texture_compression_s3tc_srgb, GL_EXT_texture_cube_map_array, GL_EXT_texture_filter_anisotropic, GL_EXT_texture_format_BGRA8888, GL_EXT_texture_norm16, GL_EXT_texture_query_lod, GL_EXT_texture_rg, GL_EXT_texture_sRGB_R8, GL_EXT_texture_sRGB_decode, GL_EXT_texture_shadow_lod, GL_EXT_texture_type_2_10_10_10_REV, GL_EXT_texture_view, GL_EXT_unpack_subimage, GL_EXT_window_rectangles, GL_INTEL_blackhole_render, GL_KHR_blend_equation_advanced, GL_KHR_context_flush_control, GL_KHR_debug, GL_KHR_no_error, GL_KHR_parallel_shader_compile, GL_KHR_robust_buffer_access_behavior, GL_KHR_robustness, GL_KHR_texture_compression_astc_ldr, GL_KHR_texture_compression_astc_sliced_3d, GL_MESA_framebuffer_flip_y, GL_MESA_shader_integer_functions, GL_NV_alpha_to_coverage_dither_control, GL_NV_conditional_render, GL_NV_draw_buffers, GL_NV_fbo_color_attachments, GL_NV_image_formats, GL_NV_pixel_buffer_object, 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_image_external_essl3, GL_OES_EGL_sync, GL_OES_compressed_ETC1_RGB8_texture, GL_OES_copy_image, 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_required_internalformat, 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_texture_view, GL_OES_vertex_array_object, GL_OES_vertex_half_float, GL_OES_viewport_array 504 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 ---------------------------------------------------------------------------- 0x021 24 tc 0 32 0 r y . 8 8 8 8 . . 0 24 8 0 0 0 0 0 0 None $ lspci | grep VGA 07:00.0 VGA compatible controller: Advanced Micro Devices, Inc. [AMD/ATI] Oland PRO [Radeon R7 240/340] (rev 87) $ sudo lspci -v -s 07:00.0 07:00.0 VGA compatible controller: Advanced Micro Devices, Inc. [AMD/ATI] Oland PRO [Radeon R7 240/340] (rev 87) (prog-if 00 [VGA controller]) Subsystem: Micro-Star International Co., Ltd. [MSI] Oland PRO [Radeon R7 240/340] Flags: bus master, fast devsel, latency 0, IRQ 73 Memory at e0000000 (64-bit, prefetchable) [size=256M] Memory at fce00000 (64-bit, non-prefetchable) [size=256K] I/O ports at e000 [size=256] Expansion ROM at 000c0000 [disabled] [size=128K] Capabilities: [48] Vendor Specific Information: Len=08 <?> Capabilities: [50] Power Management version 3 Capabilities: [58] Express Legacy Endpoint, MSI 00 Capabilities: [a0] MSI: Enable+ Count=1/1 Maskable- 64bit+ Capabilities: [100] Vendor Specific Information: ID=0001 Rev=1 Len=010 <?> Capabilities: [150] Advanced Error Reporting Capabilities: [200] Physical Resizable BAR Capabilities: [270] Secondary PCI Express Kernel driver in use: radeon Kernel modules: radeon, amdgpu The crash does not seem to be reproducible. -- Backtrace: Application: KWin (kwin_x11), signal: Segmentation fault [KCrash Handler] #4 __GI___pthread_mutex_lock (mutex=0xe8) at ../nptl/pthread_mutex_lock.c:67 #5 0x00007fe2ab7dd150 in mtx_lock (mtx=0xe8) at ../include/c11/threads_posix.h:223 #6 dri3_update_drawable (draw=draw@entry=0x0) at ../src/loader/loader_dri3_helper.c:1568 #7 0x00007fe2ab7dee8c in loader_dri3_get_buffers (driDrawable=<optimized out>, format=4099, stamp=0x5612548c9260, loaderPrivate=0x0, buffer_mask=2, buffers=0x7fe16ae6ecd0) at ../src/loader/loader_dri3_helper.c:2056 #8 0x00007fe2a9e1566b in dri_image_drawable_get_buffers (statts_count=<optimized out>, statts=<optimized out>, images=<optimized out>, drawable=<optimized out>) at ../src/gallium/frontends/dri/dri2.c:282 #9 dri2_allocate_textures (ctx=0x56124f613b70, drawable=0x5612548c9260, statts=0x7fe1580022a8, statts_count=1) at ../src/gallium/frontends/dri/dri2.c:415 #10 0x00007fe2a9e16f24 in dri_st_framebuffer_validate (stctx=<optimized out>, stfbi=<optimized out>, statts=0x7fe1580022a8, count=1, out=0x7fe16ae6ee80) at ../src/gallium/frontends/dri/dri_drawable.c:82 #11 0x00007fe2a9e2262c in st_framebuffer_validate (stfb=stfb@entry=0x7fe158001dd0, st=st@entry=0x56124fec5900) at ../src/mesa/state_tracker/st_manager.c:223 #12 0x00007fe2a9e22c48 in st_manager_validate_framebuffers (st=0x56124fec5900) at ../src/mesa/state_tracker/st_manager.c:1174 #13 0x00007fe2a9e435e5 in st_validate_state (st=st@entry=0x56124fec5900, pipeline=pipeline@entry=ST_PIPELINE_CLEAR) at ../src/mesa/state_tracker/st_atom.c:203 #14 0x00007fe2a9e48501 in st_Clear (ctx=0x7fe1915e4010, mask=1) at ../src/mesa/state_tracker/st_cb_clear.c:442 #15 0x00007fe2b6046367 in QSGBatchRenderer::Renderer::renderBatches (this=this@entry=0x7fe1580042f0) at scenegraph/coreapi/qsgbatchrenderer.cpp:4042 #16 0x00007fe2b6046c72 in QSGBatchRenderer::Renderer::render (this=<optimized out>) at scenegraph/coreapi/qsgbatchrenderer.cpp:4363 #17 0x00007fe2b602f310 in QSGRenderer::renderScene (bindable=..., this=0x7fe1580042f0) at scenegraph/coreapi/qsgrenderer.cpp:264 #18 QSGRenderer::renderScene (this=0x7fe1580042f0, bindable=...) at scenegraph/coreapi/qsgrenderer.cpp:220 #19 0x00007fe2b602f7e3 in QSGRenderer::renderScene (this=<optimized out>, fboId=<optimized out>) at scenegraph/coreapi/qsgrenderer.cpp:212 #20 0x00007fe2b608e9b3 in QSGDefaultRenderContext::renderNextFrame (this=0x56124fe11430, renderer=0x7fe1580042f0, fboId=<optimized out>) at scenegraph/qsgdefaultrendercontext.cpp:228 #21 0x00007fe2b60f8539 in QQuickWindowPrivate::renderSceneGraph (this=0x56124fe13bb0, size=..., surfaceSize=...) at items/qquickwindow.cpp:617 #22 0x00007fe2b609c75d in QSGRenderThread::syncAndRender (this=0x56124fe7e280, grabImage=0x0) at scenegraph/qsgthreadedrenderloop.cpp:837 #23 0x00007fe2b609d0b7 in QSGRenderThread::run (this=0x56124fe7e280) at scenegraph/qsgthreadedrenderloop.cpp:1043 #24 0x00007fe2b74dfbe1 in QThreadPrivate::start (arg=0x56124fe7e280) at thread/qthread_unix.cpp:329 #25 0x00007fe2b6794ea7 in start_thread (arg=<optimized out>) at pthread_create.c:477 #26 0x00007fe2b7140a2f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 30 (Thread 0x7fe16b671700 (LWP 115431) "kwin_x11:gdrv0"): #1 __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x56124fea0010, cond=0x56124fea0038) at pthread_cond_wait.c:508 #2 __pthread_cond_wait (cond=0x56124fea0038, mutex=0x56124fea0010) at pthread_cond_wait.c:638 #3 0x00007fe2aa1cb5db in cnd_wait (mtx=0x56124fea0010, cond=0x56124fea0038) at ../include/c11/threads_posix.h:155 #4 util_queue_thread_func (input=input@entry=0x56124e98cb10) at ../src/util/u_queue.c:289 #5 0x00007fe2aa1cb0a7 in impl_thrd_routine (p=<optimized out>) at ../include/c11/threads_posix.h:87 #6 0x00007fe2b6794ea7 in start_thread (arg=<optimized out>) at pthread_create.c:477 #7 0x00007fe2b7140a2f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 29 (Thread 0x7fe19266f700 (LWP 8304) "QQmlThread"): #1 0x00007fe2b7714589 in ppoll (__ss=<optimized out>, __timeout=<optimized out>, __nfds=<optimized out>, __fds=<optimized out>) at /usr/include/x86_64-linux-gnu/bits/poll2.h:77 #2 qt_ppoll (timeout_ts=0x0, nfds=1, fds=0x7fe184000d78) at kernel/qcore_unix.cpp:132 #3 qt_ppoll (timeout_ts=0x0, nfds=1, fds=0x7fe184000d78) at kernel/qcore_unix.cpp:129 #4 qt_safe_poll (fds=0x7fe184000d78, nfds=1, timeout_ts=timeout_ts@entry=0x0) at kernel/qcore_unix.cpp:155 #5 0x00007fe2b7715c23 in QEventDispatcherUNIX::processEvents (this=<optimized out>, flags=...) at kernel/qeventdispatcher_unix.cpp:502 #6 0x00007fe2b76bf98b in QEventLoop::exec (this=this@entry=0x7fe19266ecc0, flags=..., flags@entry=...) at ../../include/QtCore/../../src/corelib/global/qflags.h:69 #7 0x00007fe2b74dea9e in QThread::exec (this=this@entry=0x56124ee5bff0) at ../../include/QtCore/../../src/corelib/global/qflags.h:121 #8 0x00007fe2b5d4af85 in QQmlThreadPrivate::run (this=0x56124ee5bff0) at qml/ftw/qqmlthread.cpp:155 #9 0x00007fe2b74dfbe1 in QThreadPrivate::start (arg=0x56124ee5bff0) at thread/qthread_unix.cpp:329 #10 0x00007fe2b6794ea7 in start_thread (arg=<optimized out>) at pthread_create.c:477 #11 0x00007fe2b7140a2f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 28 (Thread 0x7fe192e70700 (LWP 8303) "kwin_x11:gdrv0"): #1 __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x56124f118e70, cond=0x56124f118e98) at pthread_cond_wait.c:508 #2 __pthread_cond_wait (cond=0x56124f118e98, mutex=0x56124f118e70) at pthread_cond_wait.c:638 #3 0x00007fe2aa1cb5db in cnd_wait (mtx=0x56124f118e70, cond=0x56124f118e98) at ../include/c11/threads_posix.h:155 #4 util_queue_thread_func (input=input@entry=0x56124ee05d20) at ../src/util/u_queue.c:289 #5 0x00007fe2aa1cb0a7 in impl_thrd_routine (p=<optimized out>) at ../include/c11/threads_posix.h:87 #6 0x00007fe2b6794ea7 in start_thread (arg=<optimized out>) at pthread_create.c:477 #7 0x00007fe2b7140a2f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 27 (Thread 0x7fe260dea700 (LWP 2631) "kwin_x11"): #1 __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x7fe2b6f28f88 <QTWTF::pageheap_memory+57512>, cond=0x7fe2b6f28fb0 <QTWTF::pageheap_memory+57552>) at pthread_cond_wait.c:508 #2 __pthread_cond_wait (cond=0x7fe2b6f28fb0 <QTWTF::pageheap_memory+57552>, mutex=0x7fe2b6f28f88 <QTWTF::pageheap_memory+57512>) at pthread_cond_wait.c:638 #3 0x00007fe2b6e358fc in QTWTF::TCMalloc_PageHeap::scavengerThread (this=0x7fe2b6f1aee0 <QTWTF::pageheap_memory>) at ../3rdparty/javascriptcore/JavaScriptCore/wtf/FastMalloc.cpp:2359 #4 0x00007fe2b6e35929 in QTWTF::TCMalloc_PageHeap::runScavengerThread (context=<optimized out>) at ../3rdparty/javascriptcore/JavaScriptCore/wtf/FastMalloc.cpp:1464 #5 0x00007fe2b6794ea7 in start_thread (arg=<optimized out>) at pthread_create.c:477 #6 0x00007fe2b7140a2f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 26 (Thread 0x7fe22bfff700 (LWP 2606) "kwin_x11:gdrv0"): #1 __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x56124e0ab840, cond=0x56124e0ab868) at pthread_cond_wait.c:508 #2 __pthread_cond_wait (cond=0x56124e0ab868, mutex=0x56124e0ab840) at pthread_cond_wait.c:638 #3 0x00007fe2aa1cb5db in cnd_wait (mtx=0x56124e0ab840, cond=0x56124e0ab868) at ../include/c11/threads_posix.h:155 #4 util_queue_thread_func (input=input@entry=0x56124da61770) at ../src/util/u_queue.c:289 #5 0x00007fe2aa1cb0a7 in impl_thrd_routine (p=<optimized out>) at ../include/c11/threads_posix.h:87 #6 0x00007fe2b6794ea7 in start_thread (arg=<optimized out>) at pthread_create.c:477 #7 0x00007fe2b7140a2f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 25 (Thread 0x7fe2615eb700 (LWP 2561) "QQmlThread"): #1 0x00007fe2b7714589 in ppoll (__ss=<optimized out>, __timeout=<optimized out>, __nfds=<optimized out>, __fds=<optimized out>) at /usr/include/x86_64-linux-gnu/bits/poll2.h:77 #2 qt_ppoll (timeout_ts=0x0, nfds=1, fds=0x7fe22c000d78) at kernel/qcore_unix.cpp:132 #3 qt_ppoll (timeout_ts=0x0, nfds=1, fds=0x7fe22c000d78) at kernel/qcore_unix.cpp:129 #4 qt_safe_poll (fds=0x7fe22c000d78, nfds=1, timeout_ts=timeout_ts@entry=0x0) at kernel/qcore_unix.cpp:155 #5 0x00007fe2b7715c23 in QEventDispatcherUNIX::processEvents (this=<optimized out>, flags=...) at kernel/qeventdispatcher_unix.cpp:502 #6 0x00007fe2b76bf98b in QEventLoop::exec (this=this@entry=0x7fe2615eacc0, flags=..., flags@entry=...) at ../../include/QtCore/../../src/corelib/global/qflags.h:69 #7 0x00007fe2b74dea9e in QThread::exec (this=this@entry=0x56124dd0aaa0) at ../../include/QtCore/../../src/corelib/global/qflags.h:121 #8 0x00007fe2b5d4af85 in QQmlThreadPrivate::run (this=0x56124dd0aaa0) at qml/ftw/qqmlthread.cpp:155 #9 0x00007fe2b74dfbe1 in QThreadPrivate::start (arg=0x56124dd0aaa0) at thread/qthread_unix.cpp:329 #10 0x00007fe2b6794ea7 in start_thread (arg=<optimized out>) at pthread_create.c:477 #11 0x00007fe2b7140a2f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 24 (Thread 0x7fe262ffd700 (LWP 2311) "kwin_x11:shlo4"): #1 __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x56124d898aa8, cond=0x56124d898ad0) at pthread_cond_wait.c:508 #2 __pthread_cond_wait (cond=0x56124d898ad0, mutex=0x56124d898aa8) at pthread_cond_wait.c:638 #3 0x00007fe2aa1cb5db in cnd_wait (mtx=0x56124d898aa8, cond=0x56124d898ad0) at ../include/c11/threads_posix.h:155 #4 util_queue_thread_func (input=input@entry=0x56124d89e1c0) at ../src/util/u_queue.c:289 #5 0x00007fe2aa1cb0a7 in impl_thrd_routine (p=<optimized out>) at ../include/c11/threads_posix.h:87 #6 0x00007fe2b6794ea7 in start_thread (arg=<optimized out>) at pthread_create.c:477 #7 0x00007fe2b7140a2f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 23 (Thread 0x7fe2637fe700 (LWP 2310) "kwin_x11:shlo3"): #1 __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x56124d898aa8, cond=0x56124d898ad0) at pthread_cond_wait.c:508 #2 __pthread_cond_wait (cond=0x56124d898ad0, mutex=0x56124d898aa8) at pthread_cond_wait.c:638 #3 0x00007fe2aa1cb5db in cnd_wait (mtx=0x56124d898aa8, cond=0x56124d898ad0) at ../include/c11/threads_posix.h:155 #4 util_queue_thread_func (input=input@entry=0x56124d89df60) at ../src/util/u_queue.c:289 #5 0x00007fe2aa1cb0a7 in impl_thrd_routine (p=<optimized out>) at ../include/c11/threads_posix.h:87 #6 0x00007fe2b6794ea7 in start_thread (arg=<optimized out>) at pthread_create.c:477 #7 0x00007fe2b7140a2f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 22 (Thread 0x7fe268ff9700 (LWP 2309) "kwin_x11:shlo2"): #1 __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x56124d898aa8, cond=0x56124d898ad0) at pthread_cond_wait.c:508 #2 __pthread_cond_wait (cond=0x56124d898ad0, mutex=0x56124d898aa8) at pthread_cond_wait.c:638 #3 0x00007fe2aa1cb5db in cnd_wait (mtx=0x56124d898aa8, cond=0x56124d898ad0) at ../include/c11/threads_posix.h:155 #4 util_queue_thread_func (input=input@entry=0x56124d89dd00) at ../src/util/u_queue.c:289 #5 0x00007fe2aa1cb0a7 in impl_thrd_routine (p=<optimized out>) at ../include/c11/threads_posix.h:87 #6 0x00007fe2b6794ea7 in start_thread (arg=<optimized out>) at pthread_create.c:477 #7 0x00007fe2b7140a2f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 21 (Thread 0x7fe2697fa700 (LWP 2308) "kwin_x11:shlo1"): #1 __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x56124d898aa8, cond=0x56124d898ad0) at pthread_cond_wait.c:508 #2 __pthread_cond_wait (cond=0x56124d898ad0, mutex=0x56124d898aa8) at pthread_cond_wait.c:638 #3 0x00007fe2aa1cb5db in cnd_wait (mtx=0x56124d898aa8, cond=0x56124d898ad0) at ../include/c11/threads_posix.h:155 #4 util_queue_thread_func (input=input@entry=0x56124d899200) at ../src/util/u_queue.c:289 #5 0x00007fe2aa1cb0a7 in impl_thrd_routine (p=<optimized out>) at ../include/c11/threads_posix.h:87 #6 0x00007fe2b6794ea7 in start_thread (arg=<optimized out>) at pthread_create.c:477 #7 0x00007fe2b7140a2f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 20 (Thread 0x7fe269ffb700 (LWP 2307) "kwin_x11:shlo0"): #1 __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x56124d898aa8, cond=0x56124d898ad0) at pthread_cond_wait.c:508 #2 __pthread_cond_wait (cond=0x56124d898ad0, mutex=0x56124d898aa8) at pthread_cond_wait.c:638 #3 0x00007fe2aa1cb5db in cnd_wait (mtx=0x56124d898aa8, cond=0x56124d898ad0) at ../include/c11/threads_posix.h:155 #4 util_queue_thread_func (input=input@entry=0x56124d8991c0) at ../src/util/u_queue.c:289 #5 0x00007fe2aa1cb0a7 in impl_thrd_routine (p=<optimized out>) at ../include/c11/threads_posix.h:87 #6 0x00007fe2b6794ea7 in start_thread (arg=<optimized out>) at pthread_create.c:477 #7 0x00007fe2b7140a2f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 19 (Thread 0x7fe26a7fc700 (LWP 2306) "kwin_x11:sh11"): #1 __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x56124d8983a0, cond=0x56124d8983c8) at pthread_cond_wait.c:508 #2 __pthread_cond_wait (cond=0x56124d8983c8, mutex=0x56124d8983a0) at pthread_cond_wait.c:638 #3 0x00007fe2aa1cb5db in cnd_wait (mtx=0x56124d8983a0, cond=0x56124d8983c8) at ../include/c11/threads_posix.h:155 #4 util_queue_thread_func (input=input@entry=0x56124d899150) at ../src/util/u_queue.c:289 #5 0x00007fe2aa1cb0a7 in impl_thrd_routine (p=<optimized out>) at ../include/c11/threads_posix.h:87 #6 0x00007fe2b6794ea7 in start_thread (arg=<optimized out>) at pthread_create.c:477 #7 0x00007fe2b7140a2f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 18 (Thread 0x7fe26affd700 (LWP 2305) "kwin_x11:sh10"): #1 __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x56124d8983a0, cond=0x56124d8983c8) at pthread_cond_wait.c:508 #2 __pthread_cond_wait (cond=0x56124d8983c8, mutex=0x56124d8983a0) at pthread_cond_wait.c:638 #3 0x00007fe2aa1cb5db in cnd_wait (mtx=0x56124d8983a0, cond=0x56124d8983c8) at ../include/c11/threads_posix.h:155 #4 util_queue_thread_func (input=input@entry=0x56124d899110) at ../src/util/u_queue.c:289 #5 0x00007fe2aa1cb0a7 in impl_thrd_routine (p=<optimized out>) at ../include/c11/threads_posix.h:87 #6 0x00007fe2b6794ea7 in start_thread (arg=<optimized out>) at pthread_create.c:477 #7 0x00007fe2b7140a2f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 17 (Thread 0x7fe26b7fe700 (LWP 2304) "kwin_x11:sh9"): #1 __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x56124d8983a0, cond=0x56124d8983c8) at pthread_cond_wait.c:508 #2 __pthread_cond_wait (cond=0x56124d8983c8, mutex=0x56124d8983a0) at pthread_cond_wait.c:638 #3 0x00007fe2aa1cb5db in cnd_wait (mtx=0x56124d8983a0, cond=0x56124d8983c8) at ../include/c11/threads_posix.h:155 #4 util_queue_thread_func (input=input@entry=0x56124d8990d0) at ../src/util/u_queue.c:289 #5 0x00007fe2aa1cb0a7 in impl_thrd_routine (p=<optimized out>) at ../include/c11/threads_posix.h:87 #6 0x00007fe2b6794ea7 in start_thread (arg=<optimized out>) at pthread_create.c:477 #7 0x00007fe2b7140a2f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 16 (Thread 0x7fe263fff700 (LWP 2303) "kwin_x11:sh8"): #1 __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x56124d8983a0, cond=0x56124d8983c8) at pthread_cond_wait.c:508 #2 __pthread_cond_wait (cond=0x56124d8983c8, mutex=0x56124d8983a0) at pthread_cond_wait.c:638 #3 0x00007fe2aa1cb5db in cnd_wait (mtx=0x56124d8983a0, cond=0x56124d8983c8) at ../include/c11/threads_posix.h:155 #4 util_queue_thread_func (input=input@entry=0x56124d899090) at ../src/util/u_queue.c:289 #5 0x00007fe2aa1cb0a7 in impl_thrd_routine (p=<optimized out>) at ../include/c11/threads_posix.h:87 #6 0x00007fe2b6794ea7 in start_thread (arg=<optimized out>) at pthread_create.c:477 #7 0x00007fe2b7140a2f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 15 (Thread 0x7fe26bfff700 (LWP 2302) "kwin_x11:sh7"): #1 __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x56124d8983a0, cond=0x56124d8983c8) at pthread_cond_wait.c:508 #2 __pthread_cond_wait (cond=0x56124d8983c8, mutex=0x56124d8983a0) at pthread_cond_wait.c:638 #3 0x00007fe2aa1cb5db in cnd_wait (mtx=0x56124d8983a0, cond=0x56124d8983c8) at ../include/c11/threads_posix.h:155 #4 util_queue_thread_func (input=input@entry=0x56124d89a230) at ../src/util/u_queue.c:289 #5 0x00007fe2aa1cb0a7 in impl_thrd_routine (p=<optimized out>) at ../include/c11/threads_posix.h:87 #6 0x00007fe2b6794ea7 in start_thread (arg=<optimized out>) at pthread_create.c:477 #7 0x00007fe2b7140a2f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 14 (Thread 0x7fe28cff9700 (LWP 2301) "kwin_x11:sh6"): #1 __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x56124d8983a0, cond=0x56124d8983c8) at pthread_cond_wait.c:508 #2 __pthread_cond_wait (cond=0x56124d8983c8, mutex=0x56124d8983a0) at pthread_cond_wait.c:638 #3 0x00007fe2aa1cb5db in cnd_wait (mtx=0x56124d8983a0, cond=0x56124d8983c8) at ../include/c11/threads_posix.h:155 #4 util_queue_thread_func (input=input@entry=0x56124d89a1f0) at ../src/util/u_queue.c:289 #5 0x00007fe2aa1cb0a7 in impl_thrd_routine (p=<optimized out>) at ../include/c11/threads_posix.h:87 #6 0x00007fe2b6794ea7 in start_thread (arg=<optimized out>) at pthread_create.c:477 #7 0x00007fe2b7140a2f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 13 (Thread 0x7fe28d7fa700 (LWP 2300) "kwin_x11:sh5"): #1 __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x56124d8983a0, cond=0x56124d8983c8) at pthread_cond_wait.c:508 #2 __pthread_cond_wait (cond=0x56124d8983c8, mutex=0x56124d8983a0) at pthread_cond_wait.c:638 #3 0x00007fe2aa1cb5db in cnd_wait (mtx=0x56124d8983a0, cond=0x56124d8983c8) at ../include/c11/threads_posix.h:155 #4 util_queue_thread_func (input=input@entry=0x56124d89bcf0) at ../src/util/u_queue.c:289 #5 0x00007fe2aa1cb0a7 in impl_thrd_routine (p=<optimized out>) at ../include/c11/threads_posix.h:87 #6 0x00007fe2b6794ea7 in start_thread (arg=<optimized out>) at pthread_create.c:477 #7 0x00007fe2b7140a2f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 12 (Thread 0x7fe28dffb700 (LWP 2299) "kwin_x11:sh4"): #1 __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x56124d8983a0, cond=0x56124d8983c8) at pthread_cond_wait.c:508 #2 __pthread_cond_wait (cond=0x56124d8983c8, mutex=0x56124d8983a0) at pthread_cond_wait.c:638 #3 0x00007fe2aa1cb5db in cnd_wait (mtx=0x56124d8983a0, cond=0x56124d8983c8) at ../include/c11/threads_posix.h:155 #4 util_queue_thread_func (input=input@entry=0x56124d89bcb0) at ../src/util/u_queue.c:289 #5 0x00007fe2aa1cb0a7 in impl_thrd_routine (p=<optimized out>) at ../include/c11/threads_posix.h:87 #6 0x00007fe2b6794ea7 in start_thread (arg=<optimized out>) at pthread_create.c:477 #7 0x00007fe2b7140a2f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 11 (Thread 0x7fe28e7fc700 (LWP 2298) "kwin_x11:sh3"): #1 __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x56124d8983a0, cond=0x56124d8983c8) at pthread_cond_wait.c:508 #2 __pthread_cond_wait (cond=0x56124d8983c8, mutex=0x56124d8983a0) at pthread_cond_wait.c:638 #3 0x00007fe2aa1cb5db in cnd_wait (mtx=0x56124d8983a0, cond=0x56124d8983c8) at ../include/c11/threads_posix.h:155 #4 util_queue_thread_func (input=input@entry=0x56124d89ba50) at ../src/util/u_queue.c:289 #5 0x00007fe2aa1cb0a7 in impl_thrd_routine (p=<optimized out>) at ../include/c11/threads_posix.h:87 #6 0x00007fe2b6794ea7 in start_thread (arg=<optimized out>) at pthread_create.c:477 #7 0x00007fe2b7140a2f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 10 (Thread 0x7fe28effd700 (LWP 2297) "kwin_x11:sh2"): #1 __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x56124d8983a0, cond=0x56124d8983c8) at pthread_cond_wait.c:508 #2 __pthread_cond_wait (cond=0x56124d8983c8, mutex=0x56124d8983a0) at pthread_cond_wait.c:638 #3 0x00007fe2aa1cb5db in cnd_wait (mtx=0x56124d8983a0, cond=0x56124d8983c8) at ../include/c11/threads_posix.h:155 #4 util_queue_thread_func (input=input@entry=0x56124d89b7f0) at ../src/util/u_queue.c:289 #5 0x00007fe2aa1cb0a7 in impl_thrd_routine (p=<optimized out>) at ../include/c11/threads_posix.h:87 #6 0x00007fe2b6794ea7 in start_thread (arg=<optimized out>) at pthread_create.c:477 #7 0x00007fe2b7140a2f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 9 (Thread 0x7fe28f7fe700 (LWP 2296) "kwin_x11:sh1"): #1 __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x56124d8983a0, cond=0x56124d8983c8) at pthread_cond_wait.c:508 #2 __pthread_cond_wait (cond=0x56124d8983c8, mutex=0x56124d8983a0) at pthread_cond_wait.c:638 #3 0x00007fe2aa1cb5db in cnd_wait (mtx=0x56124d8983a0, cond=0x56124d8983c8) at ../include/c11/threads_posix.h:155 #4 util_queue_thread_func (input=input@entry=0x56124d899030) at ../src/util/u_queue.c:289 #5 0x00007fe2aa1cb0a7 in impl_thrd_routine (p=<optimized out>) at ../include/c11/threads_posix.h:87 #6 0x00007fe2b6794ea7 in start_thread (arg=<optimized out>) at pthread_create.c:477 #7 0x00007fe2b7140a2f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 8 (Thread 0x7fe28ffff700 (LWP 2295) "kwin_x11:sh0"): #1 __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x56124d8983a0, cond=0x56124d8983c8) at pthread_cond_wait.c:508 #2 __pthread_cond_wait (cond=0x56124d8983c8, mutex=0x56124d8983a0) at pthread_cond_wait.c:638 #3 0x00007fe2aa1cb5db in cnd_wait (mtx=0x56124d8983a0, cond=0x56124d8983c8) at ../include/c11/threads_posix.h:155 #4 util_queue_thread_func (input=input@entry=0x56124d89a190) at ../src/util/u_queue.c:289 #5 0x00007fe2aa1cb0a7 in impl_thrd_routine (p=<optimized out>) at ../include/c11/threads_posix.h:87 #6 0x00007fe2b6794ea7 in start_thread (arg=<optimized out>) at pthread_create.c:477 #7 0x00007fe2b7140a2f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 7 (Thread 0x7fe29cefd700 (LWP 2294) "kwin_x1:disk$3"): #1 __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x56124d896d18, cond=0x56124d896d40) at pthread_cond_wait.c:508 #2 __pthread_cond_wait (cond=0x56124d896d40, mutex=0x56124d896d18) at pthread_cond_wait.c:638 #3 0x00007fe2aa1cb5db in cnd_wait (mtx=0x56124d896d18, cond=0x56124d896d40) at ../include/c11/threads_posix.h:155 #4 util_queue_thread_func (input=input@entry=0x56124d89a960) at ../src/util/u_queue.c:289 #5 0x00007fe2aa1cb0a7 in impl_thrd_routine (p=<optimized out>) at ../include/c11/threads_posix.h:87 #6 0x00007fe2b6794ea7 in start_thread (arg=<optimized out>) at pthread_create.c:477 #7 0x00007fe2b7140a2f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 6 (Thread 0x7fe29d6fe700 (LWP 2293) "kwin_x1:disk$2"): #1 __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x56124d896d18, cond=0x56124d896d40) at pthread_cond_wait.c:508 #2 __pthread_cond_wait (cond=0x56124d896d40, mutex=0x56124d896d18) at pthread_cond_wait.c:638 #3 0x00007fe2aa1cb5db in cnd_wait (mtx=0x56124d896d18, cond=0x56124d896d40) at ../include/c11/threads_posix.h:155 #4 util_queue_thread_func (input=input@entry=0x56124d89a700) at ../src/util/u_queue.c:289 #5 0x00007fe2aa1cb0a7 in impl_thrd_routine (p=<optimized out>) at ../include/c11/threads_posix.h:87 #6 0x00007fe2b6794ea7 in start_thread (arg=<optimized out>) at pthread_create.c:477 #7 0x00007fe2b7140a2f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 5 (Thread 0x7fe29deff700 (LWP 2292) "kwin_x1:disk$1"): #1 __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x56124d896d18, cond=0x56124d896d40) at pthread_cond_wait.c:508 #2 __pthread_cond_wait (cond=0x56124d896d40, mutex=0x56124d896d18) at pthread_cond_wait.c:638 #3 0x00007fe2aa1cb5db in cnd_wait (mtx=0x56124d896d18, cond=0x56124d896d40) at ../include/c11/threads_posix.h:155 #4 util_queue_thread_func (input=input@entry=0x56124d89a0e0) at ../src/util/u_queue.c:289 #5 0x00007fe2aa1cb0a7 in impl_thrd_routine (p=<optimized out>) at ../include/c11/threads_posix.h:87 #6 0x00007fe2b6794ea7 in start_thread (arg=<optimized out>) at pthread_create.c:477 #7 0x00007fe2b7140a2f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 4 (Thread 0x7fe29e700700 (LWP 2291) "kwin_x1:disk$0"): #1 __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x56124d896d18, cond=0x56124d896d40) at pthread_cond_wait.c:508 #2 __pthread_cond_wait (cond=0x56124d896d40, mutex=0x56124d896d18) at pthread_cond_wait.c:638 #3 0x00007fe2aa1cb5db in cnd_wait (mtx=0x56124d896d18, cond=0x56124d896d40) at ../include/c11/threads_posix.h:155 #4 util_queue_thread_func (input=input@entry=0x56124d899e80) at ../src/util/u_queue.c:289 #5 0x00007fe2aa1cb0a7 in impl_thrd_routine (p=<optimized out>) at ../include/c11/threads_posix.h:87 #6 0x00007fe2b6794ea7 in start_thread (arg=<optimized out>) at pthread_create.c:477 #7 0x00007fe2b7140a2f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 3 (Thread 0x7fe29ef01700 (LWP 2290) "kwin_x11:rcs0"): #1 __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x56124d895d90, cond=0x56124d895db8) at pthread_cond_wait.c:508 #2 __pthread_cond_wait (cond=0x56124d895db8, mutex=0x56124d895d90) at pthread_cond_wait.c:638 #3 0x00007fe2aa1cb5db in cnd_wait (mtx=0x56124d895d90, cond=0x56124d895db8) at ../include/c11/threads_posix.h:155 #4 util_queue_thread_func (input=input@entry=0x56124d8950b0) at ../src/util/u_queue.c:289 #5 0x00007fe2aa1cb0a7 in impl_thrd_routine (p=<optimized out>) at ../include/c11/threads_posix.h:87 #6 0x00007fe2b6794ea7 in start_thread (arg=<optimized out>) at pthread_create.c:477 #7 0x00007fe2b7140a2f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 2 (Thread 0x7fe2abfff700 (LWP 2286) "QDBusConnection"): #1 0x00007fe2b7714589 in ppoll (__ss=<optimized out>, __timeout=<optimized out>, __nfds=<optimized out>, __fds=<optimized out>) at /usr/include/x86_64-linux-gnu/bits/poll2.h:77 #2 qt_ppoll (timeout_ts=0x0, nfds=1, fds=0x7fe2a400b108) at kernel/qcore_unix.cpp:132 #3 qt_ppoll (timeout_ts=0x0, nfds=1, fds=0x7fe2a400b108) at kernel/qcore_unix.cpp:129 #4 qt_safe_poll (fds=0x7fe2a400b108, nfds=1, timeout_ts=timeout_ts@entry=0x0) at kernel/qcore_unix.cpp:155 #5 0x00007fe2b7715c23 in QEventDispatcherUNIX::processEvents (this=<optimized out>, flags=...) at kernel/qeventdispatcher_unix.cpp:502 #6 0x00007fe2b76bf98b in QEventLoop::exec (this=this@entry=0x7fe2abffec90, flags=..., flags@entry=...) at ../../include/QtCore/../../src/corelib/global/qflags.h:69 #7 0x00007fe2b74dea9e in QThread::exec (this=<optimized out>) at ../../include/QtCore/../../src/corelib/global/qflags.h:121 #8 0x00007fe2b87b6a27 in QDBusConnectionManager::run (this=0x7fe2b8823d80 <(anonymous namespace)::Q_QGS__q_manager::innerFunction()::holder>) at qdbusconnection.cpp:179 #9 0x00007fe2b74dfbe1 in QThreadPrivate::start (arg=0x7fe2b8823d80 <(anonymous namespace)::Q_QGS__q_manager::innerFunction()::holder>) at thread/qthread_unix.cpp:329 #10 0x00007fe2b6794ea7 in start_thread (arg=<optimized out>) at pthread_create.c:477 #11 0x00007fe2b7140a2f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 1 (Thread 0x7fe2b15718c0 (LWP 2270) "kwin_x11"): #1 __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x56124fe61a50, cond=0x56124fe61a78) at pthread_cond_wait.c:508 #2 __pthread_cond_wait (cond=0x56124fe61a78, mutex=0x56124fe61a50) at pthread_cond_wait.c:638 #3 0x00007fe2b74e5b5b in QWaitConditionPrivate::wait (deadline=..., deadline=..., this=0x56124fe61a50) at thread/qwaitcondition_unix.cpp:146 #4 QWaitCondition::wait (this=<optimized out>, mutex=0x56124fe7e2d8, deadline=...) at thread/qwaitcondition_unix.cpp:225 #5 0x00007fe2b609e8aa in QSGThreadedRenderLoop::polishAndSync (this=0x56124f9406e0, w=0x7fe2ac03bac0, inExpose=<optimized out>) at /usr/include/x86_64-linux-gnu/qt5/QtCore/qdeadlinetimer.h:68 #6 0x00007fe2b61064a7 in QQuickWindow::event (this=0x56124fe0d510, e=0x7ffd1fe11c30) at items/qquickwindow.cpp:1858 #7 0x00007fe2b818315f in QApplicationPrivate::notify_helper (this=<optimized out>, receiver=0x56124fe0d510, e=0x7ffd1fe11c30) at kernel/qapplication.cpp:3632 #8 0x00007fe2b76c0fca in QCoreApplication::notifyInternal2 (receiver=0x56124fe0d510, event=0x7ffd1fe11c30) at kernel/qcoreapplication.cpp:1063 #9 0x00007fe2b7a8a814 in QPlatformWindow::deliverUpdateRequest (this=<optimized out>) at kernel/qplatformwindow.cpp:789 #10 QPlatformWindow::windowEvent (this=<optimized out>, event=<optimized out>) at kernel/qplatformwindow.cpp:476 #11 0x00007fe2b8189c16 in QApplication::notify (this=0x7ffd1fe12130, receiver=0x56124fe0d510, e=0x7ffd1fe11eb0) at kernel/qapplication.cpp:2874 #12 0x00007fe2b76c0fca in QCoreApplication::notifyInternal2 (receiver=0x56124fe0d510, event=0x7ffd1fe11eb0) at kernel/qcoreapplication.cpp:1063 #13 0x00007fe2b77178e3 in QTimerInfoList::activateTimers (this=this@entry=0x56124d67b2b8) at kernel/qtimerinfo_unix.cpp:643 #14 0x00007fe2b771501c in QEventDispatcherUNIXPrivate::activateTimers (this=this@entry=0x56124d67b230) at kernel/qeventdispatcher_unix.cpp:249 #15 0x00007fe2b7715d77 in QEventDispatcherUNIX::processEvents (this=<optimized out>, flags=...) at kernel/qeventdispatcher_unix.cpp:516 #16 0x00007fe2b1159b7e in QXcbUnixEventDispatcher::processEvents (this=0x56124d7b6b10, flags=...) at qxcbeventdispatcher.cpp:60 #17 0x00007fe2b76bf98b in QEventLoop::exec (this=this@entry=0x7ffd1fe12050, flags=..., flags@entry=...) at ../../include/QtCore/../../src/corelib/global/qflags.h:69 #18 0x00007fe2b76c7c00 in QCoreApplication::exec () at ../../include/QtCore/../../src/corelib/global/qflags.h:121 #19 0x000056124c80ff59 in main (argc=<optimized out>, argv=0x7ffd1fe122d8) at ./main_x11.cpp:484 [Inferior 1 (process 2270) detached] Possible duplicates by query: bug 459691, bug 434359, bug 411017, bug 408367, bug 405595. 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