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  2. Thread 1 "simplebrowser" received signal SIGSEGV, Segmentation fault.
  3. 0x00007fffec99b5cd in QSGSoftwareRenderableNode::update (this=this@entry=0x555555b0b1e0) at /usr/src/debug/qtdeclarative-everywhere-src-6.3.0/src/quick/scenegraph/adaptations/software/qsgsoftwarerenderablenode.cpp:187
  4. Downloading 0.01 MB source file /usr/src/debug/qtdeclarative-everywhere-src-6.3.0/src/quick/scenegraph/adaptations/software/qsgsoftwarerenderablenode.cpp
  5. 187            if (!m_handle.simpleImageNode->texture()->hasAlphaChannel())
  6. (gdb) bt
  7. #0  0x00007fffec99b5cd in QSGSoftwareRenderableNode::update() (this=this@entry=0x555555b0b1e0) at /usr/src/debug/qtdeclarative-everywhere-src-6.3.0/src/quick/scenegraph/adaptations/software/qsgsoftwarerenderablenode.cpp:187
  8. #1  0x00007fffec99d815 in QSGSoftwareRenderableNodeUpdater::updateRenderableNode<QSGSimpleRectNode>(QSGSoftwareRenderableNode::NodeType, QSGSimpleRectNode*) (this=0x555555ad09b0, type=<optimized out>, node=0x555555a8bf30)
  9.     at /usr/src/debug/qtdeclarative-everywhere-src-6.3.0/src/quick/scenegraph/adaptations/software/qsgsoftwarerenderablenodeupdater_p.h:135
  10. #2  0x00007fffec99e4af in QSGSoftwareRenderableNodeUpdater::updateNodes(QSGNode*, bool) (this=0x555555ad09b0, node=<optimized out>, isNodeRemoved=<optimized out>)
  11.     at /usr/src/debug/qtdeclarative-everywhere-src-6.3.0/src/quick/scenegraph/adaptations/software/qsgsoftwarerenderablenodeupdater.cpp:268
  12. #3  0x00007fffec995089 in QSGAbstractSoftwareRenderer::nodeChanged(QSGNode*, QFlags<QSGNode::DirtyStateBit>) (this=0x555556149270, node=0x555555a8bf30, state=...)
  13.     at /usr/src/debug/qtdeclarative-everywhere-src-6.3.0/src/quick/scenegraph/adaptations/software/qsgabstractsoftwarerenderer.cpp:108
  14. #4  0x00007fffec9c10b8 in QSGRootNode::notifyNodeChange(QSGNode*, QFlags<QSGNode::DirtyStateBit>) (this=this@entry=0x555556133020, node=node@entry=0x555555a8bf30, state=state@entry=...)
  15.     at /usr/src/debug/qtdeclarative-everywhere-src-6.3.0/src/quick/scenegraph/coreapi/qsgnode.cpp:1277
  16. #5  0x00007fffec9c1141 in QSGNode::markDirty(QFlags<QSGNode::DirtyStateBit>) (this=0x555555a8bf30, bits=...) at /usr/src/debug/qtdeclarative-everywhere-src-6.3.0/src/quick/scenegraph/coreapi/qsgnode.cpp:671
  17. #6  0x00007fffec98ae9a in QQuickWindowPrivate::updateDirtyNodes() (this=0x55555621be00) at /usr/src/debug/qtdeclarative-everywhere-src-6.3.0/src/quick/items/qquickwindow.cpp:1892
  18. #7  0x00007fffec98014d in QQuickWindowPrivate::syncSceneGraph() (this=<optimized out>) at /usr/src/debug/qtdeclarative-everywhere-src-6.3.0/src/quick/items/qquickwindow.cpp:568
  19. #8  0x00007fffec91f7e5 in QQuickRenderControl::sync() (this=<optimized out>) at /usr/src/debug/qtdeclarative-everywhere-src-6.3.0/src/quick/items/qquickrendercontrol.cpp:390
  20. #9  0x00007fffeaba251a in QQuickWidgetPrivate::render(bool) (this=0x5555558fd220, needsSync=<optimized out>) at /usr/src/debug/qtdeclarative-everywhere-src-6.3.0/src/quickwidgets/qquickwidget.cpp:436
  21. #10 0x00007fffeaba380c in QQuickWidgetPrivate::renderSceneGraph() (this=0x5555558fd220) at /usr/src/debug/qtdeclarative-everywhere-src-6.3.0/src/quickwidgets/qquickwidget.cpp:473
  22. #11 QQuickWidget::timerEvent(QTimerEvent*) (this=<optimized out>, e=<optimized out>) at /usr/src/debug/qtdeclarative-everywhere-src-6.3.0/src/quickwidgets/qquickwidget.cpp:1318
  23. #12 0x00007fffeb2406e6 in QObject::event(QEvent*) (this=0x55555611d9d0, e=0x7fffffffc790) at /usr/src/debug/qtbase-everywhere-src-6.3.0/src/corelib/kernel/qobject.cpp:1333
  24. #13 0x00007ffff796ab5d in QApplicationPrivate::notify_helper(QObject*, QEvent*) (this=<optimized out>, receiver=0x55555611d9d0, e=0x7fffffffc790) at /usr/src/debug/qtbase-everywhere-src-6.3.0/src/widgets/kernel/qapplication.cpp:3337
  25. #14 0x00007fffeb1fa43a in QCoreApplication::notifyInternal2(QObject*, QEvent*) (receiver=0x55555611d9d0, event=0x7fffffffc790) at /usr/src/debug/qtbase-everywhere-src-6.3.0/src/corelib/kernel/qcoreapplication.cpp:1068
  26. #15 0x00007fffeb34a39d in QTimerInfoList::activateTimers() (this=0x555555655a90) at /usr/src/debug/qtbase-everywhere-src-6.3.0/src/corelib/kernel/qtimerinfo_unix.cpp:646
  27. #16 0x00007fffeb4156fa in timerSourceDispatch(GSource*, GSourceFunc, gpointer) (source=<optimized out>) at /usr/src/debug/qtbase-everywhere-src-6.3.0/src/corelib/kernel/qeventdispatcher_glib.cpp:185
  28. #17 0x00007fffe835a163 in g_main_dispatch (context=0x7fffd0005040) at ../glib/glib/gmain.c:3417
  29. #18 g_main_context_dispatch (context=0x7fffd0005040) at ../glib/glib/gmain.c:4135
  30. #19 0x00007fffe83b09e9 in g_main_context_iterate.constprop.0 (context=context@entry=0x7fffd0005040, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at ../glib/glib/gmain.c:4211
  31. #20 0x00007fffe83576c5 in g_main_context_iteration (context=0x7fffd0005040, may_block=1) at ../glib/glib/gmain.c:4276
  32. #21 0x00007fffeb4138d0 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=0x55555564c780, flags=...) at /usr/src/debug/qtbase-everywhere-src-6.3.0/src/corelib/kernel/qeventdispatcher_glib.cpp:429
  33. #22 0x00007fffeb20294b in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) (this=0x7fffffffca40, flags=...) at /usr/src/debug/qtbase-everywhere-src-6.3.0/src/corelib/global/qflags.h:70
  34. #23 0x00007fffeb1fcfb9 in QCoreApplication::exec() () at /usr/src/debug/qtbase-everywhere-src-6.3.0/src/corelib/global/qflags.h:110
  35. #24 0x00005555555667a9 in main ()