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  1. Qt
  2. QTBUG-115093

[macOS] [NSView convertSizeToBacking:] must be used from main thread only

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Details

    • Bug
    • Resolution: Duplicate
    • P2: Important
    • None
    • 6.5.1
    • None
    • Qt 6.5.1
      macOS 13.4
      Xcode 14.3
    • macOS

    Description

      Please see attached project.
      Configure with CMake for Xcode generator, run with Xcode.

      Main Thread Checker
      /Users/sergei.nevdakh/Qt/6.5.1.universal/qt_src_6.5.1/qtbase/src/plugins/platforms/cocoa/qcocoawindow.mm:1925 -[NSView convertSizeToBacking:] must be used from main thread only
      
      Thread 26
      #0 0x000000010625a98b in QCocoaWindow::devicePixelRatio() const [inlined] at /Users/sergei.nevdakh/Qt/6.5.1.universal/qt_src_6.5.1/qtbase/src/plugins/platforms/cocoa/qcocoawindow.mm:1925
      #1 0x000000010625a97c in non-virtual thunk to QCocoaWindow::devicePixelRatio() const ()
      #2 0x000000010625a97b in non-virtual thunk to QCocoaWindow::devicePixelRatio() const ()
      #3 0x000000010303dea3 in QWindow::devicePixelRatio() const at /Users/sergei.nevdakh/Qt/6.5.1.universal/qt_src_6.5.1/qtbase/src/gui/kernel/qwindow.cpp:1334
      #4 0x00000001043af78f in QQuickWindow::effectiveDevicePixelRatio() const [inlined] ()
      #5 0x00000001043af764 in QQuickWindowPrivate::syncSceneGraph() at /Users/sergei.nevdakh/Qt/6.5.1.universal/qt_src_6.5.1/qtdeclarative/src/quick/items/qquickwindow.cpp:531
      #6 0x00000001043af763 in QQuickWindowPrivate::syncSceneGraph() at /Users/sergei.nevdakh/Qt/6.5.1.universal/qt_src_6.5.1/qtdeclarative/src/quick/items/qquickwindow.cpp:531
      #7 0x0000000104539ddf in QSGRenderThread::sync(bool) at /Users/sergei.nevdakh/Qt/6.5.1.universal/qt_src_6.5.1/qtdeclarative/src/quick/scenegraph/qsgthreadedrenderloop.cpp:550
      #8 0x000000010453a177 in QSGRenderThread::syncAndRender() at /Users/sergei.nevdakh/Qt/6.5.1.universal/qt_src_6.5.1/qtdeclarative/src/quick/scenegraph/qsgthreadedrenderloop.cpp:688
      #9 0x000000010453b1a7 in QSGRenderThread::run() at /Users/sergei.nevdakh/Qt/6.5.1.universal/qt_src_6.5.1/qtdeclarative/src/quick/scenegraph/qsgthreadedrenderloop.cpp:938
      #10 0x000000010664c3a3 in QThreadPrivate::start(void*)::$_0::operator()() const [inlined] at /Users/sergei.nevdakh/Qt/6.5.1.universal/qt_src_6.5.1/qtbase/src/corelib/thread/qthread_unix.cpp:321
      #11 0x000000010664c2a4 in void (anonymous namespace)::terminate_on_exception<QThreadPrivate::start(void*)::$_0>(QThreadPrivate::start(void*)::$_0&&) [inlined] at /Users/sergei.nevdakh/Qt/6.5.1.universal/qt_src_6.5.1/qtbase/src/corelib/thread/qthread_unix.cpp:257
      #12 0x000000010664c2a4 in QThreadPrivate::start(void*) at /Users/sergei.nevdakh/Qt/6.5.1.universal/qt_src_6.5.1/qtbase/src/corelib/thread/qthread_unix.cpp:280
      #13 0x000000010664c2a3 in QThreadPrivate::start(void*) at /Users/sergei.nevdakh/Qt/6.5.1.universal/qt_src_6.5.1/qtbase/src/corelib/thread/qthread_unix.cpp:278
      #14 0x000000010664c2a3 in QThreadPrivate::start(void*) at /Users/sergei.nevdakh/Qt/6.5.1.universal/qt_src_6.5.1/qtbase/src/corelib/thread/qthread_unix.cpp:278
      #15 0x00000001024f955b in _pthread_start ()
      
      
      

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              qt_webengine_team Qt WebEngine Team
              sergei.nevdakh Sergei Nevdakh
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                Resolved:

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