I'm guessing it's due to eeee9f1466ffaf17f81d635c2e43dca76ce5b021 in qtdeclarative Reproducible: Always backtrace: Thread 1 (Thread 0x7f222f1d5880 (LWP 1916)): [KCrash Handler] #6 0x0000000000000000 in () #7 0x00007f222ccea745 in QSGOpaqueTextureMaterial::setTexture(QSGTexture*) (this=this@entry=0x1c88208, texture=texture@entry=0x1c89150) at /usr/src/debug/qtdeclarative-opensource-src-5.5.1/src/quick/scenegraph/util/qsgtexturematerial.cpp:195 #8 0x00007f222cce9b7b in QSGSimpleTextureNode::setTexture(QSGTexture*) (this=this@entry=0x1c880d0, texture=0x1c89150) at /usr/src/debug/qtdeclarative-opensource-src-5.5.1/src/quick/scenegraph/util/qsgsimpletexturenode.cpp:229 #9 0x00007f222ce1f878 in QQuickCanvasItem::updatePaintNode(QSGNode*, QQuickItem::UpdatePaintNodeData*) (this=<optimized out>, oldNode=<optimized out>) at /usr/src/debug/qtdeclarative-opensource-src-5.5.1/src/quick/items/context2d/qquickcanvasitem.cpp:765 #10 0x00007f222cd3c430 in QQuickWindowPrivate::updateDirtyNode(QQuickItem*) (this=this@entry=0xe8beb0, item=item@entry=0x149f360) at /usr/src/debug/qtdeclarative-opensource-src-5.5.1/src/quick/items/qquickwindow.cpp:2984 #11 0x00007f222cd3cc78 in QQuickWindowPrivate::updateDirtyNodes() (this=this@entry=0xe8beb0) at /usr/src/debug/qtdeclarative-opensource-src-5.5.1/src/quick/items/qquickwindow.cpp:2722 #12 0x00007f222cd3cdc0 in QQuickWindowPrivate::syncSceneGraph() (this=this@entry=0xe8beb0) at /usr/src/debug/qtdeclarative-opensource-src-5.5.1/src/quick/items/qquickwindow.cpp:341 #13 0x00007f222cd0da54 in QSGGuiThreadRenderLoop::renderWindow(QQuickWindow*) (this=this@entry=0x9480d0, window=0xb06b90) at /usr/src/debug/qtdeclarative-opensource-src-5.5.1/src/quick/scenegraph/qsgrenderloop.cpp:372 #14 0x00007f222cd0ebc1 in QSGGuiThreadRenderLoop::event(QEvent*) (this=0x9480d0, e=<optimized out>) at /usr/src/debug/qtdeclarative-opensource-src-5.5.1/src/quick/scenegraph/qsgrenderloop.cpp:474 #15 0x00007f222a40d8fc in QApplicationPrivate::notify_helper(QObject*, QEvent*) () at /usr/lib64/libQt5Widgets.so.5 #16 0x00007f222a412a06 in QApplication::notify(QObject*, QEvent*) () at /usr/lib64/libQt5Widgets.so.5 #17 0x00007f2229098b33 in QCoreApplication::notifyInternal(QObject*, QEvent*) () at /usr/lib64/libQt5Core.so.5 #18 0x00007f22290eb1fd in QTimerInfoList::activateTimers() () at /usr/lib64/libQt5Core.so.5 #19 0x00007f22290eb711 in () at /usr/lib64/libQt5Core.so.5 #20 0x00007f2224ee0cc7 in g_main_context_dispatch () at /usr/lib64/libglib-2.0.so.0 #21 0x00007f2224ee0ef8 in () at /usr/lib64/libglib-2.0.so.0 #22 0x00007f2224ee0f9c in g_main_context_iteration () at /usr/lib64/libglib-2.0.so.0 #23 0x00007f22290ec34f in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5 #24 0x00007f222909647a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5 #25 0x00007f222909e13d in QCoreApplication::exec() () at /usr/lib64/libQt5Core.so.5 #26 0x0000000000432fc0 in main ()
>QQuickCanvasItem The only applet I can think of that uses this are the calendar full view and the system load viewer. Do you have one of these? Could you also file a bug on Qt's bug tracker.
(In reply to David Edmundson from comment #1) > >QQuickCanvasItem > > The only applet I can think of that uses this are the calendar full view and > the system load viewer. > Do you have one of these? Yep, i have the load viewer in panel. > Could you also file a bug on Qt's bug tracker. Sure. Trying first qtdeclarative 5.5 branch with mentioned commit reverted just to confirm there's the regression.
Could you put in a link to the upstream bug please.