Adding a system load viewer in compact mode to the panel causes Plasma to freeze after a while. Can't reproduce in the default bar mode. Backtrace: (gdb) bt #0 0x00007ffff5ac7c18 in QQuickShaderEffectSource::updatePaintNode(QSGNode*, QQuickItem::UpdatePaintNodeData*) () from /usr/lib/libQt5Quick.so.5 #1 0x00007ffff59de408 in QQuickWindowPrivate::updateDirtyNode(QQuickItem*) () from /usr/lib/libQt5Quick.so.5 #2 0x00007ffff59dec8b in QQuickWindowPrivate::updateDirtyNodes() () from /usr/lib/libQt5Quick.so.5 #3 0x00007ffff59dee00 in QQuickWindowPrivate::syncSceneGraph() () from /usr/lib/libQt5Quick.so.5 #4 0x00007ffff59adb5c in ?? () from /usr/lib/libQt5Quick.so.5 #5 0x00007ffff59aecd1 in ?? () from /usr/lib/libQt5Quick.so.5 #6 0x00007ffff34e100c in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /usr/lib/libQt5Widgets.so.5 #7 0x00007ffff34e64e6 in QApplication::notify(QObject*, QEvent*) () from /usr/lib/libQt5Widgets.so.5 #8 0x00007ffff211289b in QCoreApplication::notifyInternal(QObject*, QEvent*) () from /usr/lib/libQt5Core.so.5 #9 0x00007ffff216805d in QTimerInfoList::activateTimers() () from /usr/lib/libQt5Core.so.5 #10 0x00007ffff2168561 in ?? () from /usr/lib/libQt5Core.so.5 #11 0x00007fffedad09fd in g_main_context_dispatch () from /usr/lib/libglib-2.0.so.0 #12 0x00007fffedad0ce0 in ?? () from /usr/lib/libglib-2.0.so.0 #13 0x00007fffedad0d8c in g_main_context_iteration () from /usr/lib/libglib-2.0.so.0 #14 0x00007ffff216923f in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQt5Core.so.5 #15 0x00007ffff211026a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQt5Core.so.5 #16 0x00007ffff211820c in QCoreApplication::exec() () from /usr/lib/libQt5Core.so.5 #17 0x000000000042ed66 in main () Reproducible: Always
Probably it is dup of bug 348385
and given is Qt 5.5 it can be this too : https://bugs.kde.org/show_bug.cgi?id=350143
*** This bug has been marked as a duplicate of bug 348385 ***