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  1. Qt
  2. QTBUG-71752

E-Bike demo crashes on Qt Emulator

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      Running E-Bike demo from the Qt launcher on emulator crashes. Following stack trace was taken from the crash:

      #0  0xb6a1a733 in QV4::Heap::String::markObjects (that=0xb18d2b40, markStack=0xbfff9740)
          at /usr/src/debug/qtdeclarative/5.12.0+gitAUTOINC+0477a057fd-r0/git/src/qml/jsruntime/qv4string.cpp:67
      #1  0xb688c6b1 in QV4::MarkStack::drain (this=0xbfff9740) at /usr/src/debug/qtdeclarative/5.12.0+gitAUTOINC+0477a057fd-r0/git/src/qml/memory/qv4mm.cpp:907
      #2  0xb6a08720 in QV4::ExecutionEngine::markObjects (this=0x833d4e0, markStack=0xbfff9740)
          at /usr/src/debug/qtdeclarative/5.12.0+gitAUTOINC+0477a057fd-r0/git/src/qml/jsruntime/qv4engine.cpp:1084
      #3  0xb688d583 in QV4::MemoryManager::collectRoots (this=0x82f3500, markStack=0xbfff9740)
          at /usr/src/debug/qtdeclarative/5.12.0+gitAUTOINC+0477a057fd-r0/git/src/qml/memory/qv4mm.cpp:913
      #4  0xb688d799 in QV4::MemoryManager::mark (this=0x82f3500) at /usr/src/debug/qtdeclarative/5.12.0+gitAUTOINC+0477a057fd-r0/git/src/qml/memory/qv4mm.cpp:961
      #5  0xb688f701 in QV4::MemoryManager::runGC (this=0x82f3500) at /usr/src/debug/qtdeclarative/5.12.0+gitAUTOINC+0477a057fd-r0/git/src/qml/memory/qv4mm.cpp:1098
      #6  0xb6891519 in QV4::MemoryManager::allocString (this=0x82f3500, unmanagedSize=82)
          at /usr/src/debug/qtdeclarative/5.12.0+gitAUTOINC+0477a057fd-r0/git/src/qml/memory/qv4mm.cpp:792
      #7  0xb69fffa8 in QV4::MemoryManager::allocWithStringData<QV4::String, QString> (arg1=..., unmanagedSize=<optimized out>, this=0x82f3500)
          at /usr/src/debug/qtdeclarative/5.12.0+gitAUTOINC+0477a057fd-r0/git/src/qml/memory/qv4mm_p.h:217
      #8  QV4::ExecutionEngine::newString (this=0x833d4e0, s=...) at /usr/src/debug/qtdeclarative/5.12.0+gitAUTOINC+0477a057fd-r0/git/src/qml/jsruntime/qv4engine.cpp:724
      #9  0xb6a07901 in QV4::ErrorObject::create<QV4::TypeErrorObject> (message=..., e=0x833d4e0)
          at /usr/src/debug/qtdeclarative/5.12.0+gitAUTOINC+0477a057fd-r0/git/src/qml/jsruntime/qv4errorobject_p.h:347
      #10 QV4::ExecutionEngine::newTypeErrorObject (this=0x833d4e0, message=...)
          at /usr/src/debug/qtdeclarative/5.12.0+gitAUTOINC+0477a057fd-r0/git/src/qml/jsruntime/qv4engine.cpp:881
      #11 0xb6a0a0d2 in QV4::ExecutionEngine::throwTypeError (this=0x833d4e0, message=...)
          at /usr/src/debug/qtdeclarative/5.12.0+gitAUTOINC+0477a057fd-r0/git/src/qml/jsruntime/qv4engine.cpp:1163
      #12 0xb6a18b33 in QV4::Runtime::method_loadProperty (engine=0x833d4e0, object=..., nameIndex=288)
          at /usr/src/debug/qtdeclarative/5.12.0+gitAUTOINC+0477a057fd-r0/git/src/qml/jsruntime/qv4runtime.cpp:972
      #13 0xae91a7ea in ?? ()
      #14 0xb69aed8d in QV4::Moth::VME::exec (frame=0xbfff9a2c, engine=0x833d4e0)
          at /usr/src/debug/qtdeclarative/5.12.0+gitAUTOINC+0477a057fd-r0/git/src/qml/jsruntime/qv4vme_moth.cpp:433
      #15 0xb693d200 in QV4::Function::call (this=<optimized out>, thisObject=<optimized out>, argv=<optimized out>, argc=<optimized out>, context=<optimized out>)
          at /usr/src/debug/qtdeclarative/5.12.0+gitAUTOINC+0477a057fd-r0/git/src/qml/jsruntime/qv4function.cpp:68
      #16 0xb6abe890 in QQmlJavaScriptExpression::evaluate (this=0x896f670, callData=0xb1ec1768, isUndefined=0xbfff9bb7)
          at /usr/src/debug/qtdeclarative/5.12.0+gitAUTOINC+0477a057fd-r0/git/src/qml/qml/qqmljavascriptexpression.cpp:216
      #17 0xb6ac3692 in QQmlBinding::evaluate (this=0x896f670, isUndefined=0xbfff9bb7)
          at /usr/src/debug/qtdeclarative/5.12.0+gitAUTOINC+0477a057fd-r0/git/src/qml/qml/qqmlbinding.cpp:209
      #18 0xb6ac7d47 in QQmlNonbindingBinding::doUpdate (this=0x896f670, watcher=..., flags=..., scope=...)
          at /usr/src/debug/qtdeclarative/5.12.0+gitAUTOINC+0477a057fd-r0/git/src/qml/qml/qqmlbinding.cpp:245
      #19 0xb6ac48ed in QQmlBinding::update (this=0x896f670, flags=...) at /usr/src/debug/qtdeclarative/5.12.0+gitAUTOINC+0477a057fd-r0/git/src/qml/qml/qqmlbinding.cpp:185
      #20 0xb6ac4ab5 in QQmlBinding::setEnabled (this=0x896f670, e=true, flags=...)
          at /usr/src/debug/qtdeclarative/5.12.0+gitAUTOINC+0477a057fd-r0/git/src/qml/qml/qqmlbinding.cpp:550
      #21 0xb6ad2106 in QQmlObjectCreator::finalize (this=0x8955230, interrupt=...)
          at /usr/src/debug/qtdeclarative/5.12.0+gitAUTOINC+0477a057fd-r0/git/src/qml/qml/qqmlobjectcreator.cpp:1345
      #22 0xb6a56547 in QQmlIncubatorPrivate::incubate (this=0x896efb0, i=...) at /usr/src/debug/qtdeclarative/5.12.0+gitAUTOINC+0477a057fd-r0/git/src/qml/qml/qqmlincubator.cpp:345
      #23 0xb6a56ab1 in QQmlEnginePrivate::incubate (this=0x834b920, i=..., forContext=0x896ef40)
          at /usr/src/debug/qtdeclarative/5.12.0+gitAUTOINC+0477a057fd-r0/git/src/qml/qml/qqmlincubator.cpp:89
      #24 0xb6a53335 in QQmlComponent::create (this=0x844ff80, incubator=..., context=<optimized out>, forContext=0x0)
          at /usr/src/debug/qtdeclarative/5.12.0+gitAUTOINC+0477a057fd-r0/git/src/qml/qml/qqmlcomponent.cpp:1058
      #25 0xb7cf0acd in QQuickLoaderPrivate::_q_sourceLoaded (this=0x8946d00)
          at /usr/src/debug/qtdeclarative/5.12.0+gitAUTOINC+0477a057fd-r0/git/src/quick/items/qquickloader.cpp:739
      #26 0xb7cf0c29 in QQuickLoaderPrivate::load (this=0x8946d00) at /usr/src/debug/qtdeclarative/5.12.0+gitAUTOINC+0477a057fd-r0/git/src/quick/items/qquickloader.cpp:614
      #27 0xb6ad22bb in QQmlObjectCreator::finalize (this=0x892abe0, interrupt=...)
          at /usr/src/debug/qtdeclarative/5.12.0+gitAUTOINC+0477a057fd-r0/git/src/qml/qml/qqmlobjectcreator.cpp:1364
      #28 0xb6a56547 in QQmlIncubatorPrivate::incubate (this=0x874a770, i=...) at /usr/src/debug/qtdeclarative/5.12.0+gitAUTOINC+0477a057fd-r0/git/src/qml/qml/qqmlincubator.cpp:345
      #29 0xb6a56ab1 in QQmlEnginePrivate::incubate (this=0x834b920, i=..., forContext=0x874a7e0)
          at /usr/src/debug/qtdeclarative/5.12.0+gitAUTOINC+0477a057fd-r0/git/src/qml/qml/qqmlincubator.cpp:89
      #30 0xb6a53335 in QQmlComponent::create (this=0x88fd440, incubator=..., context=<optimized out>, forContext=0x0)
          at /usr/src/debug/qtdeclarative/5.12.0+gitAUTOINC+0477a057fd-r0/git/src/qml/qml/qqmlcomponent.cpp:1058
      #31 0xb7cf0acd in QQuickLoaderPrivate::_q_sourceLoaded (this=0x83cb160)
          at /usr/src/debug/qtdeclarative/5.12.0+gitAUTOINC+0477a057fd-r0/git/src/quick/items/qquickloader.cpp:739
      #32 0xb7cf0c29 in QQuickLoaderPrivate::load (this=0x83cb160) at /usr/src/debug/qtdeclarative/5.12.0+gitAUTOINC+0477a057fd-r0/git/src/quick/items/qquickloader.cpp:614
      #33 0xb7cf1c6d in QQuickLoader::setSource (url=..., this=0x83cb100) at /usr/src/debug/qtdeclarative/5.12.0+gitAUTOINC+0477a057fd-r0/git/src/quick/items/qquickloader.cpp:408
      #34 QQuickLoader::qt_static_metacall (_o=0x83cb100, _c=QMetaObject::WriteProperty, _id=1, _a=0xbfffa210)
          at /usr/src/debug/qtdeclarative/5.12.0+gitAUTOINC+0477a057fd-r0/build/src/quick/.moc/moc_qquickloader_p.cpp:258
      #35 0xb7cf1df5 in QQuickLoader::qt_metacall (this=0x83cb100, _c=QMetaObject::WriteProperty, _id=1, _a=0xbfffa210)
      
      

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              • Assignee:
                qt.team.quick.subscriptions Qt Quick and Widgets Team
                Reporter:
                gronoff Mikko Gronoff
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                • Created:
                  Updated:
                  Resolved:

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