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  1. Qt
  2. QTBUG-89016

valgrind failed to profile qml application on virtual machine (Ubuntu16.04)

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Details

    • Bug
    • Resolution: Out of scope
    • Not Evaluated
    • None
    • 5.15.1
    • Quick: Other
    • None
    • Linux/X11

    Description

      Hi, 

      I want to utilize valgrind to profile my QML app in vmware Ubuntu. 

      But it failed to start a QML application.

      Here is the backtrace log:

      ==84848== Memcheck, a memory error detector
      ==84848== Copyright (C) 2002-2017, and GNU GPL'd, by Julian Seward et al.
      ==84848== Using Valgrind-3.16.1 and LibVEX; rerun with -h for copyright info
      ==84848== Command: /home/chenxiyu/Qt/Examples/Qt-5.15.0/charts/build-chartthemes-Desktop_Qt_5_15_0_GCC_64bit-Debug/chartthemes
      ==84848==
      ==84848==
      ==84848== Process terminating with default action of signal 11 (SIGSEGV)
      ==84848== General Protection Fault
      ==84848== at 0x1EC016E6: ??? (in /usr/lib/x86_64-linux-gnu/dri/vmwgfx_dri.so)
      ==84848== by 0x1EC0EBD5: ??? (in /usr/lib/x86_64-linux-gnu/dri/vmwgfx_dri.so)
      ==84848== by 0x1EC0EFFF: ??? (in /usr/lib/x86_64-linux-gnu/dri/vmwgfx_dri.so)
      ==84848== by 0x1E505C62: ??? (in /usr/lib/x86_64-linux-gnu/dri/vmwgfx_dri.so)
      ==84848== by 0x1E9C3C22: ??? (in /usr/lib/x86_64-linux-gnu/dri/vmwgfx_dri.so)
      ==84848== by 0x1E884D13: ??? (in /usr/lib/x86_64-linux-gnu/dri/vmwgfx_dri.so)
      ==84848== by 0x1E8800B6: ??? (in /usr/lib/x86_64-linux-gnu/dri/vmwgfx_dri.so)
      ==84848== by 0x7745232: ??? (in /usr/lib/x86_64-linux-gnu/mesa/libGL.so.1.2.0)
      ==84848== by 0x771CD03: ??? (in /usr/lib/x86_64-linux-gnu/mesa/libGL.so.1.2.0)
      ==84848== by 0x7718E9A: ??? (in /usr/lib/x86_64-linux-gnu/mesa/libGL.so.1.2.0)
      ==84848== by 0x77192D1: glXQueryExtensionsString (in /usr/lib/x86_64-linux-gnu/mesa/libGL.so.1.2.0)
      ==84848== by 0x1E27E841: QXcbGlxWindow::createVisual() (in /home/chenxiyu/Qt/5.15.0/gcc_64/plugins/xcbglintegrations/libqxcb-glx-integration.so)
      ==84848==
      ==84848== HEAP SUMMARY:
      ==84848== in use at exit: 4,197,735 bytes in 40,524 blocks
      ==84848== total heap usage: 178,488 allocs, 137,964 frees, 93,542,039 bytes allocated
      ==84848==
      ==84848== LEAK SUMMARY:
      ==84848== definitely lost: 732 bytes in 8 blocks
      ==84848== indirectly lost: 90 bytes in 2 blocks
      ==84848== possibly lost: 34,888 bytes in 438 blocks
      ==84848== still reachable: 4,079,409 bytes in 39,400 blocks
      ==84848== of which reachable via heuristic:
      ==84848== length64 : 5,336 bytes in 89 blocks
      ==84848== newarray : 2,160 bytes in 55 blocks

       

      And here is the QSG_INFO:

      QML debugging is enabled. Only use this in a safe environment.
      qt.scenegraph.general: threaded render loop
      qt.scenegraph.general: Using sg animation driver
      qt.scenegraph.general: Animation Driver: using vsync: 16.67 ms
      qt.scenegraph.general: Using sg animation driver
      qt.scenegraph.general: Animation Driver: using vsync: 16.67 ms
      qt.scenegraph.general: opengl texture atlas dimensions: 1024x512
      qt.scenegraph.general: R/G/B/A Buffers: 8 8 8 0
      qt.scenegraph.general: Depth Buffer: 24
      qt.scenegraph.general: Stencil Buffer: 8
      qt.scenegraph.general: Samples: -1
      qt.scenegraph.general: GL_VENDOR: VMware, Inc.
      qt.scenegraph.general: GL_RENDERER: SVGA3D; build: RELEASE; LLVM;
      qt.scenegraph.general: GL_VERSION: 3.0 Mesa 18.0.5
      qt.scenegraph.general: GL_EXTENSIONS: GL_AMD_conservative_depth GL_AMD_shader_trinary_minmax GL_ANGLE_texture_compression_dxt3 GL_ANGLE_texture_compression_dxt5 GL_APPLE_packed_pixels GL_ARB_ES2_compatibility GL_ARB_ES3_compatibility GL_ARB_arrays_of_arrays GL_ARB_blend_func_extended GL_ARB_clear_buffer_object GL_ARB_clear_texture GL_ARB_color_buffer_float GL_ARB_compressed_texture_pixel_storage GL_ARB_conservative_depth GL_ARB_copy_buffer GL_ARB_copy_image GL_ARB_debug_output GL_ARB_depth_buffer_float GL_ARB_depth_clamp GL_ARB_depth_texture GL_ARB_draw_buffers 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_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_pixel_buffer_object GL_ARB_point_parameters GL_ARB_point_sprite GL_ARB_program_interface_query GL_ARB_provoking_vertex GL_ARB_robustness GL_ARB_sampler_objects GL_ARB_seamless_cube_map GL_ARB_separate_shader_objects GL_ARB_shader_bit_encoding GL_ARB_shader_objects GL_ARB_shader_texture_lod GL_ARB_shading_language_100 GL_ARB_shading_language_420pack GL_ARB_shading_language_packing GL_ARB_shadow GL_ARB_sync GL_ARB_texture_border_clamp GL_ARB_texture_buffer_object GL_ARB_texture_compression GL_ARB_texture_compression_rgtc GL_ARB_texture_cube_map 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_mirrored_repeat GL_ARB_texture_multisample GL_ARB_texture_non_power_of_two GL_ARB_texture_query_levels GL_ARB_texture_rectangle GL_ARB_texture_rg GL_ARB_texture_rgb10_a2ui GL_ARB_texture_storage GL_ARB_texture_storage_multisample GL_ARB_texture_swizzle GL_ARB_timer_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_2_10_10_10_rev GL_ARB_window_pos GL_ATI_blend_equation_separate GL_ATI_draw_buffers GL_ATI_fragment_shader 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_provoking_vertex GL_EXT_rescale_normal GL_EXT_secondary_color GL_EXT_separate_specular_color GL_EXT_shader_integer_mix 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_KHR_context_flush_control GL_KHR_debug GL_KHR_no_error 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_fog_distance GL_NV_light_max_exponent GL_NV_packed_depth_stencil GL_NV_primitive_restart GL_NV_texgen_reflection 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
      qt.scenegraph.general: Max Texture Size: 16384
      qt.scenegraph.general: Debug context: false

       

      ==84848== suppressed: 0 bytes in 0 blocks
      ==84848== Rerun with --leak-check=full to see details of leaked memory
      ==84848==
      ==84848== For lists of detected and suppressed errors, rerun with: -s
      ==84848== ERROR SUMMARY: 0 errors from 0 contexts (suppressed: 0 from 0)
      Segmentation fault (core dumped)

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            yorkchenqt1989 York Chen
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