Application: plasmashell (5.5.5)

Qt Version: 5.5.1
Operating System: Linux 4.1.20-11-default x86_64
Distribution: "openSUSE Leap 42.1 (x86_64)"

-- Information about the crash:
- What I was doing when the application crashed:

In this bug report, i was trying to connect a wifi network previously saved in networkmanager; by clicking connect, plasmashell sometimes crashes!

The same if i click connect/disconnect on wired/wifi/openvpn/UMTS profile already stored on networkmanager ---> plasmashell sometimes crash.

My system:

Opensuse Leap 42.1 x86_64 with latest updates
KDE from opensuse std rpms
Dell latitude E6520
i5-2520M
6 GB of ram
nvidia + intel VGA  (with bumblebee) at this time i use only intel VGA

The crash can be reproduced sometimes.

-- Backtrace:
Application: Plasma (plasmashell), signal: Segmentation fault
Using host libthread_db library "/lib64/libthread_db.so.1".
[Current thread is 1 (Thread 0x7efeec0897c0 (LWP 1567))]

Thread 8 (Thread 0x7efed5abf700 (LWP 1569)):
#0  0x00007efee5590bbd in poll () at /lib64/libc.so.6
#1  0x00007efeea4e2422 in  () at /usr/lib64/libxcb.so.1
#2  0x00007efeea4e400f in xcb_wait_for_event () at /usr/lib64/libxcb.so.1
#3  0x00007efed7c103c9 in  () at /usr/lib64/libQt5XcbQpa.so.5
#4  0x00007efee5c8b32f in  () at /usr/lib64/libQt5Core.so.5
#5  0x00007efee4d9a0a4 in start_thread () at /lib64/libpthread.so.0
#6  0x00007efee5598fed in clone () at /lib64/libc.so.6

Thread 7 (Thread 0x7efecedb7700 (LWP 1576)):
#0  0x00007efee1c6c1c2 in  () at /usr/lib64/libglib-2.0.so.0
#1  0x00007efee1c6e44b in g_main_context_prepare () at /usr/lib64/libglib-2.0.so.0
#2  0x00007efee1c6ed80 in  () at /usr/lib64/libglib-2.0.so.0
#3  0x00007efee1c6ef7c in g_main_context_iteration () at /usr/lib64/libglib-2.0.so.0
#4  0x00007efee5ebdd8b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#5  0x00007efee5e64d53 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#6  0x00007efee5c8661a in QThread::exec() () at /usr/lib64/libQt5Core.so.5
#7  0x00007efee8f98e18 in  () at /usr/lib64/libQt5Qml.so.5
#8  0x00007efee5c8b32f in  () at /usr/lib64/libQt5Core.so.5
#9  0x00007efee4d9a0a4 in start_thread () at /lib64/libpthread.so.0
#10 0x00007efee5598fed in clone () at /lib64/libc.so.6

Thread 6 (Thread 0x7efec192a700 (LWP 1595)):
#0  0x00007efee1cb0d14 in g_mutex_unlock () at /usr/lib64/libglib-2.0.so.0
#1  0x00007efee1c6ee59 in  () at /usr/lib64/libglib-2.0.so.0
#2  0x00007efee1c6ef7c in g_main_context_iteration () at /usr/lib64/libglib-2.0.so.0
#3  0x00007efee5ebdd8b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#4  0x00007efee5e64d53 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#5  0x00007efee5c8661a in QThread::exec() () at /usr/lib64/libQt5Core.so.5
#6  0x00007efee8f98e18 in  () at /usr/lib64/libQt5Qml.so.5
#7  0x00007efee5c8b32f in  () at /usr/lib64/libQt5Core.so.5
#8  0x00007efee4d9a0a4 in start_thread () at /lib64/libpthread.so.0
#9  0x00007efee5598fed in clone () at /lib64/libc.so.6

Thread 5 (Thread 0x7efebbfff700 (LWP 1613)):
#0  0x00007efee5ebe691 in  () at /usr/lib64/libQt5Core.so.5
#1  0x00007efee1c6e4ad in g_main_context_prepare () at /usr/lib64/libglib-2.0.so.0
#2  0x00007efee1c6ed80 in  () at /usr/lib64/libglib-2.0.so.0
#3  0x00007efee1c6ef7c in g_main_context_iteration () at /usr/lib64/libglib-2.0.so.0
#4  0x00007efee5ebdd8b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#5  0x00007efee5e64d53 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#6  0x00007efee5c8661a in QThread::exec() () at /usr/lib64/libQt5Core.so.5
#7  0x00007efee8f98e18 in  () at /usr/lib64/libQt5Qml.so.5
#8  0x00007efee5c8b32f in  () at /usr/lib64/libQt5Core.so.5
#9  0x00007efee4d9a0a4 in start_thread () at /lib64/libpthread.so.0
#10 0x00007efee5598fed in clone () at /lib64/libc.so.6

Thread 4 (Thread 0x7efeba7b9700 (LWP 1634)):
#0  0x00007efee4d9e03f in pthread_cond_wait@@GLIBC_2.3.2 () at /lib64/libpthread.so.0
#1  0x00007efeeb76786b in  () at /usr/lib64/libQt5Script.so.5
#2  0x00007efeeb767899 in  () at /usr/lib64/libQt5Script.so.5
#3  0x00007efee4d9a0a4 in start_thread () at /lib64/libpthread.so.0
#4  0x00007efee5598fed in clone () at /lib64/libc.so.6

Thread 3 (Thread 0x7efe32c2d700 (LWP 1667)):
#0  0x00007efee5590bbd in poll () at /lib64/libc.so.6
#1  0x00007efee1c6ee64 in  () at /usr/lib64/libglib-2.0.so.0
#2  0x00007efee1c6ef7c in g_main_context_iteration () at /usr/lib64/libglib-2.0.so.0
#3  0x00007efee5ebdd8b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#4  0x00007efee5e64d53 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#5  0x00007efee5c8661a in QThread::exec() () at /usr/lib64/libQt5Core.so.5
#6  0x00007efee9b34282 in  () at /usr/lib64/libQt5Quick.so.5
#7  0x00007efee5c8b32f in  () at /usr/lib64/libQt5Core.so.5
#8  0x00007efee4d9a0a4 in start_thread () at /lib64/libpthread.so.0
#9  0x00007efee5598fed in clone () at /lib64/libc.so.6

Thread 2 (Thread 0x7efe270d1700 (LWP 1783)):
#0  0x00007efee5590bbd in poll () at /lib64/libc.so.6
#1  0x00007efee1c6ee64 in  () at /usr/lib64/libglib-2.0.so.0
#2  0x00007efee1c6ef7c in g_main_context_iteration () at /usr/lib64/libglib-2.0.so.0
#3  0x00007efee5ebdd8b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#4  0x00007efee5e64d53 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#5  0x00007efee5c8661a in QThread::exec() () at /usr/lib64/libQt5Core.so.5
#6  0x00007efe2871ecf7 in KCupsConnection::run() () at /usr/lib64/libkcupslib.so
#7  0x00007efee5c8b32f in  () at /usr/lib64/libQt5Core.so.5
#8  0x00007efee4d9a0a4 in start_thread () at /lib64/libpthread.so.0
#9  0x00007efee5598fed in clone () at /lib64/libc.so.6

Thread 1 (Thread 0x7efeec0897c0 (LWP 1567)):
[KCrash Handler]
#6  0x00007efee5e6f050 in QMetaObject::methodOffset() const () at /usr/lib64/libQt5Core.so.5
#7  0x00007efee5e9731b in QMetaObject::activate(QObject*, int, void**) () at /usr/lib64/libQt5Core.so.5
#8  0x00007efee8d6a372 in  () at /usr/lib64/libQt5Qml.so.5
#9  0x00007efee8fd8029 in QQmlDelegateModel::_q_itemsChanged(int, int, QVector<int> const&) () at /usr/lib64/libQt5Qml.so.5
#10 0x00007efee8fdda61 in QQmlDelegateModel::_q_layoutChanged(QList<QPersistentModelIndex> const&, QAbstractItemModel::LayoutChangeHint) () at /usr/lib64/libQt5Qml.so.5
#11 0x00007efee8fffadf in  () at /usr/lib64/libQt5Qml.so.5
#12 0x00007efee900032b in QQmlDelegateModel::qt_metacall(QMetaObject::Call, int, void**) () at /usr/lib64/libQt5Qml.so.5
#13 0x00007efee5e96dc1 in QMetaObject::activate(QObject*, int, int, void**) () at /usr/lib64/libQt5Core.so.5
#14 0x00007efee5f158d6 in QAbstractItemModel::layoutChanged(QList<QPersistentModelIndex> const&, QAbstractItemModel::LayoutChangeHint) () at /usr/lib64/libQt5Core.so.5
#15 0x00007efee5e363c5 in  () at /usr/lib64/libQt5Core.so.5
#16 0x00007efee5e38248 in  () at /usr/lib64/libQt5Core.so.5
#17 0x00007efee5e96cc6 in QMetaObject::activate(QObject*, int, int, void**) () at /usr/lib64/libQt5Core.so.5
#18 0x00007efee5f1582c in QAbstractItemModel::dataChanged(QModelIndex const&, QModelIndex const&, QVector<int> const&) () at /usr/lib64/libQt5Core.so.5
#19 0x00007efe2556aeef in NetworkModel::updateItem(NetworkModelItem*) () at /usr/lib64/libplasmanm_internal.so
#20 0x00007efe25570a5d in NetworkModel::addActiveConnection(QSharedPointer<NetworkManager::ActiveConnection> const&) () at /usr/lib64/libplasmanm_internal.so
#21 0x00007efe25570ff3 in NetworkModel::activeConnectionAdded(QString const&) () at /usr/lib64/libplasmanm_internal.so
#22 0x00007efee5e9673f in QMetaObject::activate(QObject*, int, int, void**) () at /usr/lib64/libQt5Core.so.5
#23 0x00007efe25302ff5 in NetworkManager::Notifier::activeConnectionAdded(QString const&) () at /usr/lib64/libKF5NetworkManagerQt.so.6
#24 0x00007efe2528b5b3 in  () at /usr/lib64/libKF5NetworkManagerQt.so.6
#25 0x00007efee5e9673f in QMetaObject::activate(QObject*, int, int, void**) () at /usr/lib64/libQt5Core.so.5
#26 0x00007efe2530c560 in  () at /usr/lib64/libKF5NetworkManagerQt.so.6
#27 0x00007efe2531288b in  () at /usr/lib64/libKF5NetworkManagerQt.so.6
#28 0x00007efee6c0eda4 in  () at /usr/lib64/libQt5DBus.so.5
#29 0x00007efee5e97ac6 in QObject::event(QEvent*) () at /usr/lib64/libQt5Core.so.5
#30 0x00007efee71dfe7c in QApplicationPrivate::notify_helper(QObject*, QEvent*) () at /usr/lib64/libQt5Widgets.so.5
#31 0x00007efee71e4cc8 in QApplication::notify(QObject*, QEvent*) () at /usr/lib64/libQt5Widgets.so.5
#32 0x00007efee5e66e95 in QCoreApplication::notifyInternal(QObject*, QEvent*) () at /usr/lib64/libQt5Core.so.5
#33 0x00007efee5e69057 in QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*) () at /usr/lib64/libQt5Core.so.5
#34 0x00007efee5ebe8f3 in  () at /usr/lib64/libQt5Core.so.5
#35 0x00007efee1c6ec84 in g_main_context_dispatch () at /usr/lib64/libglib-2.0.so.0
#36 0x00007efee1c6eed8 in  () at /usr/lib64/libglib-2.0.so.0
#37 0x00007efee1c6ef7c in g_main_context_iteration () at /usr/lib64/libglib-2.0.so.0
#38 0x00007efee5ebdd6c in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#39 0x00007efee5e64d53 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#40 0x00007efee5e6c8f6 in QCoreApplication::exec() () at /usr/lib64/libQt5Core.so.5
#41 0x0000000000436b3d in main ()

Reported using DrKonqi