Details
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Bug
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Resolution: Unresolved
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P2: Important
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None
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5.15
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None
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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:
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