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  1. Qt
  2. QTBUG-110839

Background crashes with BusyIndicator

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Details

    • Bug
    • Resolution: Cannot Reproduce
    • P1: Critical
    • None
    • 6.4.2
    • Quick: Controls 2
    • None
    • iOS/tvOS/watchOS

    Description

      I can see relative frequent crashes related to the BusyIndicator / Material in our application reporting. I'm unable to reproduce them on a local device which is attached to a debugger, though. Maybe this is due to suspend/resume cycles of iOS devices.

      The crash comes in the following flavors:

       

      QPen::QPen(Qt::PenStyle)
      QPaintEngineExPrivate::QPaintEngineExPrivate()
      QRasterPaintEngine::QRasterPaintEngine(QPaintDevice*)
      QImage::paintEngine() constfah-debugQPainter::begin(QPaintDevice*)
      QPainter::QPainter(QPaintDevice*)
      QQuickMaterialBusyIndicatorNode::updateCurrentTime(int)
      QQuickAnimatedNode::advance()
      void doActivate<false>(QObject*, int, void**)
      QQuickWindowPrivate::renderSceneGraph(QSize const&, QSize const&)
      QSGRenderThread::syncAndRender()fah-debugQSGRenderThread::run()
      QThreadPrivate::start(void*)libsystem_pthread.dylib_pthread_start

      and

      QBrush::QBrush()
      QPainter::QPainter(QPaintDevice*)
      QQuickMaterialBusyIndicatorNode::updateCurrentTime(int)
      QQuickAnimatedNode::advance()
      void doActivate<false>(QObject*, int, void**)
      QQuickWindowPrivate::renderSceneGraph(QSize const&, QSize const&)
      QSGRenderThread::syncAndRender()
      QSGRenderThread::run()
      QThreadPrivate::start(void*)
      libsystem_pthread.dylib _pthread_start
      libsystem_pthread.dylib thread_start

      .

      The app uses the stock busy indicator when reconnecting to a service.

       

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            axelspoerl Axel Spoerl
            cajus Cajus Pollmeier
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            Dates

              Created:
              Updated:
              Resolved:

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