Bug 398332

Summary: Plasma (plasmashell), signal: Segmentation fault: QQmlDelegateModel::_q_layoutChanged(QList<QPersistentModelIndex> const&, QAbstractItemModel::LayoutChangeHint)
Product: [Plasma] plasmashell Reporter: Don Curtis <bugrprt21882>
Component: Networking in generalAssignee: Jan Grulich <jgrulich>
Status: RESOLVED FIXED    
Severity: crash CC: jgrulich, plasma-bugs-null
Priority: NOR Keywords: drkonqi
Version First Reported In: master   
Target Milestone: 1.0   
Platform: openSUSE   
OS: Linux   
Latest Commit: Version Fixed/Implemented In:
Sentry Crash Report:

Description Don Curtis 2018-09-06 17:35:25 UTC 
Application: plasmashell (5.12.6)

Qt Version: 5.9.4
Frameworks Version: 5.45.0
Operating System: Linux 4.12.14-lp150.12.16-default x86_64
Distribution: "openSUSE Leap 15.0"

-- Information about the crash:
- What I was doing when the application crashed:
Renewing the Network Manager WLAN entries -- the Plasma crash doesn't seem to have affected the interaction with KWallet …

-- Backtrace:
Application: Plasma (plasmashell), signal: Segmentation fault
Using host libthread_db library "/lib64/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f7177d50100 (LWP 13054))]

Thread 9 (Thread 0x7f70a1fea700 (LWP 13241)):
#0  0x00007f716b90065d in g_main_context_prepare () at /usr/lib64/libglib-2.0.so.0
#1  0x00007f716b90103b in  () at /usr/lib64/libglib-2.0.so.0
#2  0x00007f716b90121c in g_main_context_iteration () at /usr/lib64/libglib-2.0.so.0
#3  0x00007f71719c4c0b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=0x7f709c000b10, flags=...) at kernel/qeventdispatcher_glib.cpp:425
#4  0x00007f717196d09a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) (this=this@entry=0x7f70a1fe9c50, flags=..., flags@entry=...) at kernel/qeventloop.cpp:212
#5  0x00007f717179c4da in QThread::exec() (this=<optimized out>) at thread/qthread.cpp:515
#6  0x00007f70a4903f67 in KCupsConnection::run() () at /usr/lib64/libkcupslib.so
#7  0x00007f71717a10ce in QThreadPrivate::start(void*) (arg=0x55c7f6528fb0) at thread/qthread_unix.cpp:368
#8  0x00007f717093a559 in start_thread () at /lib64/libpthread.so.0
#9  0x00007f717109382f in clone () at /lib64/libc.so.6

Thread 8 (Thread 0x7f70c1db1700 (LWP 13227)):
#0  0x00007f717094089d in pthread_cond_wait@@GLIBC_2.3.2 () at /lib64/libpthread.so.0
#1  0x00007f70c67f3ceb in  () at /usr/lib64/dri/r600_dri.so
#2  0x00007f70c67f3a17 in  () at /usr/lib64/dri/r600_dri.so
#3  0x00007f717093a559 in start_thread () at /lib64/libpthread.so.0
#4  0x00007f717109382f in clone () at /lib64/libc.so.6

Thread 7 (Thread 0x7f70c25b2700 (LWP 13226)):
#0  0x00007f717094089d in pthread_cond_wait@@GLIBC_2.3.2 () at /lib64/libpthread.so.0
#1  0x00007f70c67f3ceb in  () at /usr/lib64/dri/r600_dri.so
#2  0x00007f70c67f3a17 in  () at /usr/lib64/dri/r600_dri.so
#3  0x00007f717093a559 in start_thread () at /lib64/libpthread.so.0
#4  0x00007f717109382f in clone () at /lib64/libc.so.6

Thread 6 (Thread 0x7f7151562700 (LWP 13214)):
#0  0x00007f717094089d in pthread_cond_wait@@GLIBC_2.3.2 () at /lib64/libpthread.so.0
#1  0x00007f71774165e4 in  () at /usr/lib64/libQt5Script.so.5
#2  0x00007f7177416629 in  () at /usr/lib64/libQt5Script.so.5
#3  0x00007f717093a559 in start_thread () at /lib64/libpthread.so.0
#4  0x00007f717109382f in clone () at /lib64/libc.so.6

Thread 5 (Thread 0x7f71533b2700 (LWP 13185)):
#0  0x00007f717108908b in poll () at /lib64/libc.so.6
#1  0x00007f716b901109 in  () at /usr/lib64/libglib-2.0.so.0
#2  0x00007f716b90121c in g_main_context_iteration () at /usr/lib64/libglib-2.0.so.0
#3  0x00007f71719c4c0b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=0x7f7148000b10, flags=...) at kernel/qeventdispatcher_glib.cpp:425
#4  0x00007f717196d09a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) (this=this@entry=0x7f71533b1c70, flags=..., flags@entry=...) at kernel/qeventloop.cpp:212
#5  0x00007f717179c4da in QThread::exec() (this=<optimized out>) at thread/qthread.cpp:515
#6  0x00007f7175081cb5 in  () at /usr/lib64/libQt5Qml.so.5
#7  0x00007f71717a10ce in QThreadPrivate::start(void*) (arg=0x55c7f4e2ccf0) at thread/qthread_unix.cpp:368
#8  0x00007f717093a559 in start_thread () at /lib64/libpthread.so.0
#9  0x00007f717109382f in clone () at /lib64/libc.so.6

Thread 4 (Thread 0x7f7158fea700 (LWP 13168)):
#0  0x00007f716b946759 in g_mutex_lock () at /usr/lib64/libglib-2.0.so.0
#1  0x00007f716b9010ce in  () at /usr/lib64/libglib-2.0.so.0
#2  0x00007f716b90121c in g_main_context_iteration () at /usr/lib64/libglib-2.0.so.0
#3  0x00007f71719c4c0b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=0x7f714c000b10, flags=...) at kernel/qeventdispatcher_glib.cpp:425
#4  0x00007f717196d09a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) (this=this@entry=0x7f7158fe9c70, flags=..., flags@entry=...) at kernel/qeventloop.cpp:212
#5  0x00007f717179c4da in QThread::exec() (this=<optimized out>) at thread/qthread.cpp:515
#6  0x00007f7175081cb5 in  () at /usr/lib64/libQt5Qml.so.5
#7  0x00007f71717a10ce in QThreadPrivate::start(void*) (arg=0x55c7f503b730) at thread/qthread_unix.cpp:368
#8  0x00007f717093a559 in start_thread () at /lib64/libpthread.so.0
#9  0x00007f717109382f in clone () at /lib64/libc.so.6

Thread 3 (Thread 0x7f715aa42700 (LWP 13106)):
#0  0x00007f717108908b in poll () at /lib64/libc.so.6
#1  0x00007f716b901109 in  () at /usr/lib64/libglib-2.0.so.0
#2  0x00007f716b90121c in g_main_context_iteration () at /usr/lib64/libglib-2.0.so.0
#3  0x00007f71719c4c0b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=0x7f7154000b10, flags=...) at kernel/qeventdispatcher_glib.cpp:425
#4  0x00007f717196d09a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) (this=this@entry=0x7f715aa41c60, flags=..., flags@entry=...) at kernel/qeventloop.cpp:212
#5  0x00007f717179c4da in QThread::exec() (this=<optimized out>) at thread/qthread.cpp:515
#6  0x00007f7173249985 in  () at /usr/lib64/libQt5DBus.so.5
#7  0x00007f71717a10ce in QThreadPrivate::start(void*) (arg=0x7f71734b9d60) at thread/qthread_unix.cpp:368
#8  0x00007f717093a559 in start_thread () at /lib64/libpthread.so.0
#9  0x00007f717109382f in clone () at /lib64/libc.so.6

Thread 2 (Thread 0x7f716165a700 (LWP 13064)):
#0  0x00007f717108908b in poll () at /lib64/libc.so.6
#1  0x00007f71760e8387 in  () at /usr/lib64/libxcb.so.1
#2  0x00007f71760e9faa in xcb_wait_for_event () at /usr/lib64/libxcb.so.1
#3  0x00007f7163a07029 in  () at /usr/lib64/libQt5XcbQpa.so.5
#4  0x00007f71717a10ce in QThreadPrivate::start(void*) (arg=0x55c7f4e112e0) at thread/qthread_unix.cpp:368
#5  0x00007f717093a559 in start_thread () at /lib64/libpthread.so.0
#6  0x00007f717109382f in clone () at /lib64/libc.so.6

Thread 1 (Thread 0x7f7177d50100 (LWP 13054)):
[KCrash Handler]
#6  0x00007f7174e5832b in  () at /usr/lib64/libQt5Qml.so.5
#7  0x00007f71750a4e3a in QQmlDelegateModel::_q_itemsChanged(int, int, QVector<int> const&) () at /usr/lib64/libQt5Qml.so.5
#8  0x00007f71750aaf54 in QQmlDelegateModel::_q_layoutChanged(QList<QPersistentModelIndex> const&, QAbstractItemModel::LayoutChangeHint) () at /usr/lib64/libQt5Qml.so.5
#9  0x00007f71750ab267 in  () at /usr/lib64/libQt5Qml.so.5
#10 0x00007f71750ab645 in QQmlDelegateModel::qt_metacall(QMetaObject::Call, int, void**) () at /usr/lib64/libQt5Qml.so.5
#11 0x00007f717199c0fe in QMetaObject::activate(QObject*, int, int, void**) (sender=sender@entry=0x55c7f74453d0, signalOffset=<optimized out>, local_signal_index=local_signal_index@entry=3, argv=argv@entry=0x7ffe033395e0) at kernel/qobject.cpp:3781
#12 0x00007f717199c757 in QMetaObject::activate(QObject*, QMetaObject const*, int, void**) (sender=sender@entry=0x55c7f74453d0, m=m@entry=0x7f7171e25680 <QAbstractItemModel::staticMetaObject>, local_signal_index=local_signal_index@entry=3, argv=argv@entry=0x7ffe033395e0) at kernel/qobject.cpp:3628
#13 0x00007f717190e076 in QAbstractItemModel::layoutChanged(QList<QPersistentModelIndex> const&, QAbstractItemModel::LayoutChangeHint) (this=this@entry=0x55c7f74453d0, _t1=..., _t2=<optimized out>, _t2@entry=QAbstractItemModel::VerticalSortHint) at .moc/moc_qabstractitemmodel.cpp:581
#14 0x00007f7171938f93 in QSortFilterProxyModelPrivate::_q_sourceDataChanged(QModelIndex const&, QModelIndex const&, QVector<int> const&) (this=0x7f7154039be0, source_top_left=..., source_bottom_right=..., roles=...) at itemmodels/qsortfilterproxymodel.cpp:1232
#15 0x00007f717193a018 in QSortFilterProxyModel::qt_static_metacall(QObject*, QMetaObject::Call, int, void**) (_o=<optimized out>, _c=<optimized out>, _id=<optimized out>, _a=<optimized out>) at .moc/moc_qsortfilterproxymodel.cpp:204
#16 0x00007f717199c04a in QMetaObject::activate(QObject*, int, int, void**) (sender=0x55c7f70e6d40, signalOffset=<optimized out>, local_signal_index=local_signal_index@entry=0, argv=argv@entry=0x7ffe033398b0) at kernel/qobject.cpp:3766
#17 0x00007f717199c757 in QMetaObject::activate(QObject*, QMetaObject const*, int, void**) (sender=<optimized out>, m=m@entry=0x7f7171e25680 <QAbstractItemModel::staticMetaObject>, local_signal_index=local_signal_index@entry=0, argv=argv@entry=0x7ffe033398b0) at kernel/qobject.cpp:3628
#18 0x00007f717190dfcc in QAbstractItemModel::dataChanged(QModelIndex const&, QModelIndex const&, QVector<int> const&) (this=<optimized out>, _t1=..., _t2=..., _t3=...) at .moc/moc_qabstractitemmodel.cpp:567
#19 0x00007f709bbaa700 in NetworkModel::updateItem(NetworkModelItem*) () at /usr/lib64/libplasmanm_internal.so
#20 0x00007f709bbafa3e in NetworkModel::updateFromWirelessNetwork(NetworkModelItem*, QSharedPointer<NetworkManager::WirelessNetwork> const&, QSharedPointer<NetworkManager::WirelessDevice> const&) () at /usr/lib64/libplasmanm_internal.so
#21 0x00007f709bbb0290 in NetworkModel::addWirelessNetwork(QSharedPointer<NetworkManager::WirelessNetwork> const&, QSharedPointer<NetworkManager::WirelessDevice> const&) () at /usr/lib64/libplasmanm_internal.so
#22 0x00007f709bbb0e1d in NetworkModel::availableConnectionDisappeared(QString const&) () at /usr/lib64/libplasmanm_internal.so
#23 0x00007f717199c14c in QtPrivate::QSlotObjectBase::call(QObject*, void**) (a=0x7ffe03339d30, r=0x55c7f70e6d40, this=0x55c7f7443340) at ../../include/QtCore/../../src/corelib/kernel/qobject_impl.h:101
#24 0x00007f717199c14c in QMetaObject::activate(QObject*, int, int, void**) (sender=0x55c7f6829600, signalOffset=<optimized out>, local_signal_index=<optimized out>, argv=<optimized out>) at kernel/qobject.cpp:3749
#25 0x00007f709b934e05 in NetworkManager::Device::availableConnectionDisappeared(QString const&) () at /usr/lib64/libKF5NetworkManagerQt.so.6
#26 0x00007f709b87c2e7 in  () at /usr/lib64/libKF5NetworkManagerQt.so.6
#27 0x00007f709b8c4bbe in  () at /usr/lib64/libKF5NetworkManagerQt.so.6
#28 0x00007f709b87a242 in  () at /usr/lib64/libKF5NetworkManagerQt.so.6
#29 0x00007f709b945575 in  () at /usr/lib64/libKF5NetworkManagerQt.so.6
#30 0x00007f709b945715 in  () at /usr/lib64/libKF5NetworkManagerQt.so.6
#31 0x00007f7173254318 in  () at /usr/lib64/libQt5DBus.so.5
#32 0x00007f717199ca32 in QObject::event(QEvent*) (this=0x55c7f680b2e0, e=<optimized out>) at kernel/qobject.cpp:1246
#33 0x00007f7172b5ee8c in QApplicationPrivate::notify_helper(QObject*, QEvent*) () at /usr/lib64/libQt5Widgets.so.5
#34 0x00007f7172b66244 in QApplication::notify(QObject*, QEvent*) () at /usr/lib64/libQt5Widgets.so.5
#35 0x00007f717196ea88 in QCoreApplication::notifyInternal2(QObject*, QEvent*) (receiver=0x55c7f680b2e0, event=event@entry=0x7f71540525b0) at kernel/qcoreapplication.cpp:1016
#36 0x00007f7171971075 in QCoreApplication::sendEvent(QObject*, QEvent*) (event=0x7f71540525b0, receiver=<optimized out>) at kernel/qcoreapplication.h:233
#37 0x00007f7171971075 in QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*) (receiver=receiver@entry=0x0, event_type=event_type@entry=0, data=0x55c7f4dc7e40) at kernel/qcoreapplication.cpp:1676
#38 0x00007f71719715f8 in QCoreApplication::sendPostedEvents(QObject*, int) (receiver=receiver@entry=0x0, event_type=event_type@entry=0) at kernel/qcoreapplication.cpp:1530
#39 0x00007f71719c5573 in postEventSourceDispatch(GSource*, GSourceFunc, gpointer) (s=0x55c7f4e5cb40) at kernel/qeventdispatcher_glib.cpp:276
#40 0x00007f716b900f57 in g_main_context_dispatch () at /usr/lib64/libglib-2.0.so.0
#41 0x00007f716b901190 in  () at /usr/lib64/libglib-2.0.so.0
#42 0x00007f716b90121c in g_main_context_iteration () at /usr/lib64/libglib-2.0.so.0
#43 0x00007f71719c4bef in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=0x55c7f4e62ed0, flags=...) at kernel/qeventdispatcher_glib.cpp:423
#44 0x00007f717196d09a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) (this=this@entry=0x7ffe0333a5a0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:212
#45 0x00007f71719759e4 in QCoreApplication::exec() () at kernel/qcoreapplication.cpp:1289
#46 0x000055c7f3512e20 in main(int, char**) (argc=<optimized out>, argv=<optimized out>) at /usr/src/debug/plasma5-workspace-5.12.6-lp150.2.3.1.x86_64/shell/main.cpp:172

Reported using DrKonqi
Comment 1 Jan Grulich 2019-07-10 12:09:39 UTC 
This was a bug in Qt some time ago, fixed in newer versions.
Comment 2 Ben Cooksley 2024-12-23 18:23:36 UTC 
Bulk transfer as requested in T17796