Uploaded image for project: 'Qt'
  1. Qt
  2. QTBUG-85655

SIGSEGV in QSGBasicGeometryNode::matrix

    XMLWordPrintable

    Details

    • Type: Bug
    • Status: Open
    • Priority: P1: Critical
    • Resolution: Unresolved
    • Affects Version/s: 5.15
    • Fix Version/s: None
    • Component/s: Quick: SceneGraph
    • Labels:
      None
    • Environment:
      Ubuntu 18.04.3
      macOS 10.15.5

      Description

      When clicking on "New Game" in the attached application, I get a SIGSEGV:

      1  QSGBasicGeometryNode::matrix                  qsgnode.h                   199  0x7ffff63b746e 
      2  QSGBatchRenderer::Renderer::updateStencilClip qsgbatchrenderer.cpp        2488 0x7ffff63a8bd5 
      3  QSGBatchRenderer::Renderer::updateClip        qsgbatchrenderer.cpp        2590 0x7ffff63a9446 
      4  QSGBatchRenderer::Renderer::renderMergedBatch qsgbatchrenderer.cpp        3060 0x7ffff63ac43e 
      5  QSGBatchRenderer::Renderer::renderBatches     qsgbatchrenderer.cpp        4059 0x7ffff63b1fcd 
      6  QSGBatchRenderer::Renderer::render            qsgbatchrenderer.cpp        4356 0x7ffff63b3e7e 
      7  QSGRenderer::renderScene                      qsgrenderer.cpp             264  0x7ffff639a754 
      8  QSGRenderer::renderScene                      qsgrenderer.cpp             212  0x7ffff639a55a 
      9  QSGDefaultRenderContext::renderNextFrame      qsgdefaultrendercontext.cpp 228  0x7ffff643782e 
      10 QQuickWindowPrivate::renderSceneGraph         qquickwindow.cpp            617  0x7ffff64c9126 
      11 QSGRenderThread::syncAndRender                qsgthreadedrenderloop.cpp   837  0x7ffff644bbbd 
      12 QSGRenderThread::run                          qsgthreadedrenderloop.cpp   1043 0x7ffff644cd3e 
      13 QThreadPrivate::start                         qthread_unix.cpp            329  0x7ffff44279c1 
      14 start_thread                                  pthread_create.c            463  0x7ffff2a9f6db 
      15 clone                                         clone.S                     95   0x7ffff3acba3f 
      

      Full backtrace here:

      full-backtrace.txt

      With QSG_RHI set to 1, I can avoid the crash, but then I get:

      38:32:181 qUncompress: qUncompress: Z_DATA_ERROR: Input data is corrupted
      38:32:182 QShader::fromSerialized: Attempted to deserialize QShader with unknown version 0.
      38:32:182 QSGRhiGuiThreadShaderEffectManager::prepareShaderCode: ShaderEffect: Failed to deserialize QShader from :/qt-project.org/imports/QtGraphicalEffects/shaders/colorize.frag
      38:32:182 QQuickGenericShaderEffect::shaderCodePrepared: ShaderEffect: shader preparation failed for qrc:/qt-project.org/imports/QtGraphicalEffects/shaders/colorize.frag
      
      
      38:32:182 qUncompress: qUncompress: Z_DATA_ERROR: Input data is corrupted
      38:32:182 QShader::fromSerialized: Attempted to deserialize QShader with unknown version 0.
      38:32:182 QSGRhiGuiThreadShaderEffectManager::prepareShaderCode: ShaderEffect: Failed to deserialize QShader from :/qt-project.org/imports/QtGraphicalEffects/shaders/coloroverlay.frag
      38:32:182 QQuickGenericShaderEffect::shaderCodePrepared: ShaderEffect: shader preparation failed for qrc:/qt-project.org/imports/QtGraphicalEffects/shaders/coloroverlay.frag
      
      
      38:32:289 qUncompress: qUncompress: Z_DATA_ERROR: Input data is corrupted
      38:32:289 QShader::fromSerialized: Attempted to deserialize QShader with unknown version 0.
      38:32:289 QSGRhiGuiThreadShaderEffectManager::prepareShaderCode: ShaderEffect: Failed to deserialize QShader from :/qt-project.org/imports/QtGraphicalEffects/shaders/coloroverlay.frag
      38:32:289 QQuickGenericShaderEffect::shaderCodePrepared: ShaderEffect: shader preparation failed for qrc:/qt-project.org/imports/QtGraphicalEffects/shaders/coloroverlay.frag
      
      
      38:32:291 qUncompress: qUncompress: Z_DATA_ERROR: Input data is corrupted
      38:32:291 QShader::fromSerialized: Attempted to deserialize QShader with unknown version 0.
      38:32:291 QSGRhiGuiThreadShaderEffectManager::prepareShaderCode: ShaderEffect: Failed to deserialize QShader from :/qt-project.org/imports/QtGraphicalEffects/shaders/coloroverlay.frag
      38:32:291 QQuickGenericShaderEffect::shaderCodePrepared: ShaderEffect: shader preparation failed for qrc:/qt-project.org/imports/QtGraphicalEffects/shaders/coloroverlay.frag
      
      
      38:32:292 qUncompress: qUncompress: Z_DATA_ERROR: Input data is corrupted
      38:32:292 QShader::fromSerialized: Attempted to deserialize QShader with unknown version 0.
      38:32:292 QSGRhiGuiThreadShaderEffectManager::prepareShaderCode: ShaderEffect: Failed to deserialize QShader from :/qt-project.org/imports/QtGraphicalEffects/shaders/coloroverlay.frag
      38:32:292 QQuickGenericShaderEffect::shaderCodePrepared: ShaderEffect: shader preparation failed for qrc:/qt-project.org/imports/QtGraphicalEffects/shaders/coloroverlay.frag
      
      
      38:32:293 qUncompress: qUncompress: Z_DATA_ERROR: Input data is corrupted
      38:32:293 QShader::fromSerialized: Attempted to deserialize QShader with unknown version 0.
      38:32:293 QSGRhiGuiThreadShaderEffectManager::prepareShaderCode: ShaderEffect: Failed to deserialize QShader from :/qt-project.org/imports/QtGraphicalEffects/shaders/coloroverlay.frag
      38:32:293 QQuickGenericShaderEffect::shaderCodePrepared: ShaderEffect: shader preparation failed for qrc:/qt-project.org/imports/QtGraphicalEffects/shaders/coloroverlay.frag
      
      
      38:32:294 qUncompress: qUncompress: Z_DATA_ERROR: Input data is corrupted
      38:32:294 QShader::fromSerialized: Attempted to deserialize QShader with unknown version 0.
      38:32:294 QSGRhiGuiThreadShaderEffectManager::prepareShaderCode: ShaderEffect: Failed to deserialize QShader from :/qt-project.org/imports/QtGraphicalEffects/shaders/coloroverlay.frag
      38:32:294 QQuickGenericShaderEffect::shaderCodePrepared: ShaderEffect: shader preparation failed for qrc:/qt-project.org/imports/QtGraphicalEffects/shaders/coloroverlay.frag
      
      
      38:32:331 qUncompress: qUncompress: Z_DATA_ERROR: Input data is corrupted
      38:32:331 QShader::fromSerialized: Attempted to deserialize QShader with unknown version 0.
      38:32:331 QSGRhiGuiThreadShaderEffectManager::prepareShaderCode: ShaderEffect: Failed to deserialize QShader from :/qt-project.org/imports/QtGraphicalEffects/shaders/coloroverlay.frag
      38:32:331 QQuickGenericShaderEffect::shaderCodePrepared: ShaderEffect: shader preparation failed for qrc:/qt-project.org/imports/QtGraphicalEffects/shaders/coloroverlay.frag
      
      
      38:34:258 QRhiImplementation::~QRhiImplementation: QRhi 0x7fff9c001de0 going down with 1 unreleased resources that own native graphics objects. This is not nice.
      38:34:258 QRhiImplementation::~QRhiImplementation:   Texture resource 0x7fff9d859c30 ()
      

      QSG_INFO output:

      0:25:660 QSGRhiSupport::applySettings: Using QRhi with backend OpenGL
        graphics API debug/validation layers: 0
        QRhi profiling and debug markers: 0
      40:25:682 QSGRenderLoop::instance: threaded render loop
      40:25:682 qsg_useConsistentTiming: Using sg animation driver
      40:25:682 QSGAnimationDriver::QSGAnimationDriver: Animation Driver: using vsync: 16.67 ms
      40:25:748 qsg_useConsistentTiming: Using sg animation driver
      40:25:748 QSGAnimationDriver::QSGAnimationDriver: Animation Driver: using vsync: 16.67 ms
      40:25:751 QRhiGles2::create: Created OpenGL context QSurfaceFormat(version 3.0, options QFlags<QSurfaceFormat::FormatOption>(DeprecatedFunctions), depthBufferSize 24, redBufferSize 8, greenBufferSize 8, blueBufferSize 8, alphaBufferSize 0, stencilBufferSize 8, samples -1, swapBehavior QSurfaceFormat::DoubleBuffer, swapInterval 1, colorSpace QSurfaceFormat::DefaultColorSpace, profile  QSurfaceFormat::NoProfile)
      40:25:752 QRhiGles2::create: OpenGL VENDOR: Intel Open Source Technology Center RENDERER: Mesa DRI Intel(R) Haswell Desktop  VERSION: 3.0 Mesa 19.2.8
      40:25:753 QSGRenderThread::ensureRhi: MSAA sample count for the swapchain is 1. Alpha channel requested = no.
      40:25:753 QSGRhiAtlasTexture::Manager::Manager: rhi texture atlas dimensions: 4096x2048
      

      QSG_INFO output when not using RHI:

      43:05:149 QSGRenderLoop::instance: threaded render loop
      43:05:149 qsg_useConsistentTiming: Using sg animation driver
      43:05:149 QSGAnimationDriver::QSGAnimationDriver: Animation Driver: using vsync: 16.67 ms
      43:05:207 qsg_useConsistentTiming: Using sg animation driver
      43:05:207 QSGAnimationDriver::QSGAnimationDriver: Animation Driver: using vsync: 16.67 ms
      43:05:208 QSGOpenGLAtlasTexture::Manager::Manager: opengl texture atlas dimensions: 4096x2048
      43:05:208 QSGDefaultContext::renderContextInitialized: R/G/B/A Buffers:   8 8 8 0
      43:05:208 QSGDefaultContext::renderContextInitialized: Depth Buffer:      24
      43:05:208 QSGDefaultContext::renderContextInitialized: Stencil Buffer:    8
      43:05:208 QSGDefaultContext::renderContextInitialized: Samples:           -1
      43:05:208 QSGDefaultContext::renderContextInitialized: GL_VENDOR:         Intel Open Source Technology Center
      43:05:208 QSGDefaultContext::renderContextInitialized: GL_RENDERER:       Mesa DRI Intel(R) Haswell Desktop 
      43:05:208 QSGDefaultContext::renderContextInitialized: GL_VERSION:        3.0 Mesa 19.2.8
      43:05:209 QSGDefaultContext::renderContextInitialized: GL_EXTENSIONS:    GL_3DFX_texture_compression_FXT1 GL_AMD_conservative_depth GL_AMD_draw_buffers_blend GL_AMD_multi_draw_indirect GL_AMD_query_buffer_object GL_AMD_seamless_cubemap_per_texture GL_AMD_shader_trinary_minmax GL_AMD_texture_texture4 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_1_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_indirect GL_ARB_draw_instanced 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_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_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_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_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_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_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_clamp GL_EXT_provoking_vertex GL_EXT_rescale_normal GL_EXT_secondary_color GL_EXT_separate_specular_color GL_EXT_shader_framebuffer_fetch_non_coherent 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_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_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_parallel_shader_compile 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_compute_shader_derivatives GL_NV_conditional_render GL_NV_depth_clamp GL_NV_fog_distance GL_NV_light_max_exponent GL_NV_packed_depth_stencil GL_NV_primitive_restart GL_NV_texgen_reflection GL_NV_texture_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
      43:05:209 QSGDefaultContext::renderContextInitialized: Max Texture Size: 16384
      43:05:209 QSGDefaultContext::renderContextInitialized: Debug context:    false
      

        Attachments

        1. full-backtrace.txt
          42 kB
        2. qtbug85655.zip
          11 kB
        No reviews matched the request. Check your Options in the drop-down menu of this sections header.

          Activity

            People

            Assignee:
            lagocs Laszlo Agocs
            Reporter:
            mitch_curtis Mitch Curtis
            Votes:
            0 Vote for this issue
            Watchers:
            4 Start watching this issue

              Dates

              Created:
              Updated:

                Gerrit Reviews

                There are no open Gerrit changes