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  1. Qt
  2. QTBUG-67524

WebEngine broken on Windows (Q_UNREACHABLE in gl_surface_qt.cpp)

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    Details

    • Type: Bug
    • Status: Closed
    • Priority: Not Evaluated
    • Resolution: Duplicate
    • Affects Version/s: 5.10.1, 5.11.0 Beta 2
    • Fix Version/s: None
    • Component/s: WebEngine
    • Labels:
      None
    • Environment:
      Windows 10, MSVC 2017, Qt 5.11, Qt 5.10, NVIDIA, Intel HD Graphics

      Description

      WebEngine seems to be completely broken on Windows for versions past Qt 5.9. As soon as a web view is opened (e.g. simplebrowser Qt example) I'm getting an exception window for Debug builds showing

      ASSERT failure in Q_UNREACHABLE(): "Q_UNREACHABLE was reached", file
      C:/Users/qt/work/qt/qtwebengine/src/core/gl_surface_qt.cpp, line 752
      

      and the console output

      [11624:2720:0406/111507.984:ERROR:gl_surface_wgl.cc(372)] wglCreatePbufferARB not available.
      [11624:2720:0406/111507.984:ERROR:gl_surface_qt.cpp(751)] Requested OpenGL implementation is not supported
      

      In release mode the application just crashes instantly without opening any window.

      I'm seeing the same behaviour on 3 different Windows 10 machines with Qt 5.11. Qt 5.10 crashes as well, Qt 5.9 works fine.

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              Assignee:
              qt_webengine_team Qt WebEngine Team
              Reporter:
              pwuertz Peter W├╝rtz
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                Created:
                Updated:
                Resolved:

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