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  1. Qt
  2. QTBUG-57812

ASSERT failure crash when starting up examples

    XMLWordPrintable

Details

    • Bug
    • Resolution: Duplicate
    • P1: Critical
    • None
    • 5.8.0 RC
    • GUI: Font handling
    • None
    • Windows 10 (China)

    Description

      the install package was qt-opensource-windows-x86-msvc2015-5.8.0-rc_699.exe from http://download.qt.io/development_releases/qt/5.8/5.8.0-rc/
      markdowneditor example

      Starting C:\Qt\Qt5.8.0\Examples\Qt-5.8\webenginewidgets\build-markdowneditor-Desktop_Qt_5_8_0_MSVC2015_32bit-Debug\debug\markdowneditor.exe...
      ASSERT failure in void __thiscall QtFontFamily::ensurePopulated(void): "SimSun", file text\qfontdatabase.cpp, line 425
      QMutex: destroying locked mutex
      

      demobrowser example

      Starting C:\Qt\Qt5.8.0\Examples\Qt-5.8\webenginewidgets\build-demobrowser-Desktop_Qt_5_8_0_MSVC2015_32bit-Debug\debug\demobrowser.exe...
      QML debugging is enabled. Only use this in a safe environment.
      [548:3720:1227/161754:ERROR:dxva_video_decode_accelerator_win.cc(395)] EGL_EXT_device_query missing
      [548:3720:1227/161754:ERROR:dxva_video_decode_accelerator_win.cc(395)] EGL_EXT_device_query missing
      ASSERT failure in void __thiscall QtFontFamily::ensurePopulated(void): "SimSun", file text\qfontdatabase.cpp, line 425
      The program has unexpectedly finished.
      

      simplebrowser example

      Starting C:\Qt\Qt5.8.0\Examples\Qt-5.8\webenginewidgets\build-simplebrowser-Desktop_Qt_5_8_0_MSVC2015_32bit-Debug\debug\simplebrowser.exe...
      [13020:9496:1227/161945:ERROR:dxva_video_decode_accelerator_win.cc(395)] EGL_EXT_device_query missing
      [13020:9496:1227/161945:ERROR:dxva_video_decode_accelerator_win.cc(395)] EGL_EXT_device_query missing
      ASSERT failure in void __thiscall QtFontFamily::ensurePopulated(void): "SimSun", file text\qfontdatabase.cpp, line 425
      QMutex: destroying locked mutex
      

      fontcrash example backtrace

      1  qt_message_fatal              qlogging.cpp      1681 0x661b6e31 
      2  QMessageLogger::fatal         qlogging.cpp      795  0x661b5abd 
      3  qt_assert_x                   qglobal.cpp       3078 0x661aae97 
      4  QtFontFamily::ensurePopulated qfontdatabase.cpp 425  0xf660c11  
      5  QFontDatabase::families       qfontdatabase.cpp 1571 0xf65b9fd  
      6  MainWindow::MainWindow        mainwindow.cpp    10   0x9325c3   
      7  main                          main.cpp          8    0x93247c   
      8  WinMain                       qtmain_win.cpp    111  0x935b7d   
      9  invoke_main                   exe_common.inl    99   0x933e7e   
      10 __scrt_common_main_seh        exe_common.inl    255  0x933cca   
      11 __scrt_common_main            exe_common.inl    300  0x933b5d   
      12 WinMainCRTStartup             exe_winmain.cpp   17   0x933e98   
      13 BaseThreadInitThunk           KERNEL32               0x75c862c4 
      14 __RtlUserThreadStart          ntdll                  0x77db0fd9 
      15 _RtlUserThreadStart           ntdll                  0x77db0fa4 
      
      

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            qt_webengine_team Qt WebEngine Team
            vidarxu Carter Davies
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            Dates

              Created:
              Updated:
              Resolved:

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