Bug 357512

Application: plasmashell (5.5.0)

Qt Version: 5.5.1
Operating System: Linux 4.2.8-300.fc23.x86_64 x86_64
Distribution (Platform): Fedora RPMs

-- Information about the crash:
- Custom settings of the application:

On this notebook I regularly connect an external screen to extend my desktop size.
Plasma did not like the addition of a screen and crashed.
after the crash both screens work as expected.

-- Backtrace:
Application: Plasma (plasmashell), signal: Segmentation fault
Using host libthread_db library "/lib64/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f9716bd2940 (LWP 4717))]

Thread 8 (Thread 0x7f96f6ca9700 (LWP 4733)):
#0  0x00007f970e5b7ffd in poll () at /lib64/libc.so.6
#1  0x00007f9714a6c272 in _xcb_conn_wait () at /lib64/libxcb.so.1
#2  0x00007f9714a6dee7 in xcb_wait_for_event () at /lib64/libxcb.so.1
#3  0x00007f96f8c32da9 in QXcbEventReader::run() () at /lib64/libQt5XcbQpa.so.5
#4  0x00007f970f1c03ce in QThreadPrivate::start(void*) () at /lib64/libQt5Core.so.5
#5  0x00007f970d8fb60a in start_thread () at /lib64/libpthread.so.0
#6  0x00007f970e5c3a9d in clone () at /lib64/libc.so.6

Thread 7 (Thread 0x7f96effff700 (LWP 4740)):
#0  0x00007f9709b24719 in g_mutex_lock () at /lib64/libglib-2.0.so.0
#1  0x00007f9709adfa2e in g_main_context_check () at /lib64/libglib-2.0.so.0
#2  0x00007f9709ae0110 in g_main_context_iterate.isra () at /lib64/libglib-2.0.so.0
#3  0x00007f9709ae027c in g_main_context_iteration () at /lib64/libglib-2.0.so.0
#4  0x00007f970f3f7f0b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#5  0x00007f970f39ef0a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#6  0x00007f970f1bb424 in QThread::exec() () at /lib64/libQt5Core.so.5
#7  0x00007f9713505b45 in QQmlThreadPrivate::run() () at /lib64/libQt5Qml.so.5
#8  0x00007f970f1c03ce in QThreadPrivate::start(void*) () at /lib64/libQt5Core.so.5
#9  0x00007f970d8fb60a in start_thread () at /lib64/libpthread.so.0
#10 0x00007f970e5c3a9d in clone () at /lib64/libc.so.6

Thread 6 (Thread 0x7f96e6fe6700 (LWP 4792)):
#0  0x00007f970e5b7ffd in poll () at /lib64/libc.so.6
#1  0x00007f9709ae016c in g_main_context_iterate.isra () at /lib64/libglib-2.0.so.0
#2  0x00007f9709ae027c in g_main_context_iteration () at /lib64/libglib-2.0.so.0
#3  0x00007f970f3f7f0b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#4  0x00007f970f39ef0a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#5  0x00007f970f1bb424 in QThread::exec() () at /lib64/libQt5Core.so.5
#6  0x00007f9713505b45 in QQmlThreadPrivate::run() () at /lib64/libQt5Qml.so.5
#7  0x00007f970f1c03ce in QThreadPrivate::start(void*) () at /lib64/libQt5Core.so.5
#8  0x00007f970d8fb60a in start_thread () at /lib64/libpthread.so.0
#9  0x00007f970e5c3a9d in clone () at /lib64/libc.so.6

Thread 5 (Thread 0x7f96e4e1a700 (LWP 4798)):
#0  0x00007f9709add1e7 in g_source_iter_next () at /lib64/libglib-2.0.so.0
#1  0x00007f9709adf6ab in g_main_context_prepare () at /lib64/libglib-2.0.so.0
#2  0x00007f9709ae009b in g_main_context_iterate.isra () at /lib64/libglib-2.0.so.0
#3  0x00007f9709ae027c in g_main_context_iteration () at /lib64/libglib-2.0.so.0
#4  0x00007f970f3f7f0b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#5  0x00007f970f39ef0a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#6  0x00007f970f1bb424 in QThread::exec() () at /lib64/libQt5Core.so.5
#7  0x00007f9713505b45 in QQmlThreadPrivate::run() () at /lib64/libQt5Qml.so.5
#8  0x00007f970f1c03ce in QThreadPrivate::start(void*) () at /lib64/libQt5Core.so.5
#9  0x00007f970d8fb60a in start_thread () at /lib64/libpthread.so.0
#10 0x00007f970e5c3a9d in clone () at /lib64/libc.so.6

Thread 4 (Thread 0x7f96df3d6700 (LWP 4839)):
#0  0x00007f970d900b10 in pthread_cond_wait@@GLIBC_2.3.2 () at /lib64/libpthread.so.0
#1  0x00007f971635d514 in QTWTF::TCMalloc_PageHeap::scavengerThread() () at /lib64/libQt5Script.so.5
#2  0x00007f971635d559 in  () at /lib64/libQt5Script.so.5
#3  0x00007f970d8fb60a in start_thread () at /lib64/libpthread.so.0
#4  0x00007f970e5c3a9d in clone () at /lib64/libc.so.6

Thread 3 (Thread 0x7f9657911700 (LWP 4900)):
#0  0x00007f970e5b7ffd in poll () at /lib64/libc.so.6
#1  0x00007f9709ae016c in g_main_context_iterate.isra () at /lib64/libglib-2.0.so.0
#2  0x00007f9709ae027c in g_main_context_iteration () at /lib64/libglib-2.0.so.0
#3  0x00007f970f3f7f0b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#4  0x00007f970f39ef0a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#5  0x00007f970f1bb424 in QThread::exec() () at /lib64/libQt5Core.so.5
#6  0x00007f97140b28d6 in QQuickPixmapReader::run() () at /lib64/libQt5Quick.so.5
#7  0x00007f970f1c03ce in QThreadPrivate::start(void*) () at /lib64/libQt5Core.so.5
#8  0x00007f970d8fb60a in start_thread () at /lib64/libpthread.so.0
#9  0x00007f970e5c3a9d in clone () at /lib64/libc.so.6

Thread 2 (Thread 0x7f9656910700 (LWP 5317)):
#0  0x00007fff5852d93c in  ()
#1  0x00007fff5852dc55 in clock_gettime ()
#2  0x00007f970e5d1d36 in clock_gettime () at /lib64/libc.so.6
#3  0x00007f970f270956 in qt_gettime() () at /lib64/libQt5Core.so.5
#4  0x00007f970f3f5999 in QTimerInfoList::updateCurrentTime() () at /lib64/libQt5Core.so.5
#5  0x00007f970f3f5f05 in QTimerInfoList::timerWait(timespec&) () at /lib64/libQt5Core.so.5
#6  0x00007f970f3f72ee in timerSourcePrepare(_GSource*, int*) () at /lib64/libQt5Core.so.5
#7  0x00007f9709adf70d in g_main_context_prepare () at /lib64/libglib-2.0.so.0
#8  0x00007f9709ae009b in g_main_context_iterate.isra () at /lib64/libglib-2.0.so.0
#9  0x00007f9709ae027c in g_main_context_iteration () at /lib64/libglib-2.0.so.0
#10 0x00007f970f3f7f0b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#11 0x00007f970f39ef0a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#12 0x00007f970f1bb424 in QThread::exec() () at /lib64/libQt5Core.so.5
#13 0x00007f964d4503c7 in KCupsConnection::run() () at /lib64/libkcupslib.so
#14 0x00007f970f1c03ce in QThreadPrivate::start(void*) () at /lib64/libQt5Core.so.5
#15 0x00007f970d8fb60a in start_thread () at /lib64/libpthread.so.0
#16 0x00007f970e5c3a9d in clone () at /lib64/libc.so.6

Thread 1 (Thread 0x7f9716bd2940 (LWP 4717)):
[KCrash Handler]
#5  0x00007f970f3a9530 in QMetaObject::methodOffset() const () at /lib64/libQt5Core.so.5
#6  0x00007f970f3d0b1b in QMetaObject::activate(QObject*, int, void**) () at /lib64/libQt5Core.so.5
#7  0x00007f97132d10e2 in VDMModelDelegateDataType::notify(QQmlAdaptorModel const&, QList<QQmlDelegateModelItem*> const&, int, int, QVector<int> const&) const () at /lib64/libQt5Qml.so.5
#8  0x00007f97135473aa in QQmlDelegateModel::_q_itemsChanged(int, int, QVector<int> const&) () at /lib64/libQt5Qml.so.5
#9  0x00007f971354bfe2 in QQmlDelegateModel::_q_layoutChanged(QList<QPersistentModelIndex> const&, QAbstractItemModel::LayoutChangeHint) () at /lib64/libQt5Qml.so.5
#10 0x00007f971356ea3f in QQmlDelegateModel::qt_static_metacall(QObject*, QMetaObject::Call, int, void**) () at /lib64/libQt5Qml.so.5
#11 0x00007f971356f1f8 in QQmlDelegateModel::qt_metacall(QMetaObject::Call, int, void**) () at /lib64/libQt5Qml.so.5
#12 0x00007f970f3d04a0 in QMetaObject::activate(QObject*, int, int, void**) () at /lib64/libQt5Core.so.5
#13 0x00007f970f44cbe6 in QAbstractItemModel::layoutChanged(QList<QPersistentModelIndex> const&, QAbstractItemModel::LayoutChangeHint) () at /lib64/libQt5Core.so.5
#14 0x00007f970f370ede in QSortFilterProxyModelPrivate::_q_sourceDataChanged(QModelIndex const&, QModelIndex const&, QVector<int> const&) () at /lib64/libQt5Core.so.5
#15 0x00007f970f3729c8 in QSortFilterProxyModel::qt_static_metacall(QObject*, QMetaObject::Call, int, void**) () at /lib64/libQt5Core.so.5
#16 0x00007f970f3d02ea in QMetaObject::activate(QObject*, int, int, void**) () at /lib64/libQt5Core.so.5
#17 0x00007f970f44cafc in QAbstractItemModel::dataChanged(QModelIndex const&, QModelIndex const&, QVector<int> const&) () at /lib64/libQt5Core.so.5
#18 0x00007f963eb9e1cd in NetworkModel::updateItem(NetworkModelItem*) () at /lib64/libplasmanm_internal.so
#19 0x00007f963eba3aa7 in NetworkModel::addActiveConnection(QSharedPointer<NetworkManager::ActiveConnection> const&) () at /lib64/libplasmanm_internal.so
#20 0x00007f963eba3fb3 in NetworkModel::activeConnectionAdded(QString const&) () at /lib64/libplasmanm_internal.so
#21 0x00007f970f3d0177 in QMetaObject::activate(QObject*, int, int, void**) () at /lib64/libQt5Core.so.5
#22 0x00007f963e65dd55 in NetworkManager::Notifier::activeConnectionAdded(QString const&) () at /lib64/libKF5NetworkManagerQt.so.6
#23 0x00007f963e5d0dc1 in NetworkManager::NetworkManagerPrivate::propertiesChanged(QMap<QString, QVariant> const&) () at /lib64/libKF5NetworkManagerQt.so.6
#24 0x00007f970f3d0177 in QMetaObject::activate(QObject*, int, int, void**) () at /lib64/libQt5Core.so.5
#25 0x00007f963e668980 in OrgFreedesktopNetworkManagerInterface::qt_static_metacall(QObject*, QMetaObject::Call, int, void**) () at /lib64/libKF5NetworkManagerQt.so.6
#26 0x00007f963e66e9a0 in OrgFreedesktopNetworkManagerInterface::qt_metacall(QMetaObject::Call, int, void**) () at /lib64/libKF5NetworkManagerQt.so.6
#27 0x00007f9710157c73 in QDBusConnectionPrivate::deliverCall(QObject*, int, QDBusMessage const&, QVector<int> const&, int) () at /lib64/libQt5DBus.so.5
#28 0x00007f970f3d11b1 in QObject::event(QEvent*) () at /lib64/libQt5Core.so.5
#29 0x00007f971095641c in QApplicationPrivate::notify_helper(QObject*, QEvent*) () at /lib64/libQt5Widgets.so.5
#30 0x00007f971095b8e6 in QApplication::notify(QObject*, QEvent*) () at /lib64/libQt5Widgets.so.5
#31 0x00007f970f3a177b in QCoreApplication::notifyInternal(QObject*, QEvent*) () at /lib64/libQt5Core.so.5
#32 0x00007f970f3a3b76 in QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*) () at /lib64/libQt5Core.so.5
#33 0x00007f970f3f7ae3 in postEventSourceDispatch(_GSource*, int (*)(void*), void*) () at /lib64/libQt5Core.so.5
#34 0x00007f9709adfe3a in g_main_context_dispatch () at /lib64/libglib-2.0.so.0
#35 0x00007f9709ae01d0 in g_main_context_iterate.isra () at /lib64/libglib-2.0.so.0
#36 0x00007f9709ae027c in g_main_context_iteration () at /lib64/libglib-2.0.so.0
#37 0x00007f970f3f7eef in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#38 0x00007f970f39ef0a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#39 0x00007f970f3a6fec in QCoreApplication::exec() () at /lib64/libQt5Core.so.5
#40 0x000056093161d8a4 in main ()

Possible duplicates by query: bug 357056, bug 356982, bug 356892, bug 356713, bug 353191.

Reported using DrKonqi