Application: plasmashell (5.14.5)

Qt Version: 5.11.3
Frameworks Version: 5.58.0
Operating System: Linux 5.1.8-200.fc29.x86_64 x86_64
Distribution: "Fedora release 29 (Twenty Nine)"

-- Information about the crash:
Crash occurred while I was attempting to switch from Internet to Graphics categories in Applications Menu.

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 0x7f5f651f6580 (LWP 3591))]

Thread 8 (Thread 0x7f5f1bbff700 (LWP 9422)):
#0  0x00007f5f4c132cc0 in pa_fdsem_before_poll () at /usr/lib64/pulseaudio/libpulsecommon-12.2.so
#1  0x00007f5f4c14ad47 in srbchannel_rwloop () at /usr/lib64/pulseaudio/libpulsecommon-12.2.so
#2  0x00007f5f4c1eafd8 in pa_mainloop_dispatch () at /lib64/libpulse.so.0
#3  0x00007f5f4c1eb2b0 in pa_mainloop_iterate () at /lib64/libpulse.so.0
#4  0x00007f5f4c1eb350 in pa_mainloop_run () at /lib64/libpulse.so.0
#5  0x00007f5f4c1f95bd in thread () at /lib64/libpulse.so.0
#6  0x00007f5f4c15b06c in internal_thread_func () at /usr/lib64/pulseaudio/libpulsecommon-12.2.so
#7  0x00007f5f680e058e in start_thread () at /lib64/libpthread.so.0
#8  0x00007f5f685386f3 in clone () at /lib64/libc.so.6

Thread 7 (Thread 0x7f5f41602700 (LWP 5343)):
#0  0x00007f5f6852d461 in poll () at /lib64/libc.so.6
#1  0x00007f5f4c1f9675 in poll_func () at /lib64/libpulse.so.0
#2  0x00007f5f4c1eac58 in pa_mainloop_poll () at /lib64/libpulse.so.0
#3  0x00007f5f4c1eb2a2 in pa_mainloop_iterate () at /lib64/libpulse.so.0
#4  0x00007f5f4c1eb350 in pa_mainloop_run () at /lib64/libpulse.so.0
#5  0x00007f5f4c1f95bd in thread () at /lib64/libpulse.so.0
#6  0x00007f5f4c15b06c in internal_thread_func () at /usr/lib64/pulseaudio/libpulsecommon-12.2.so
#7  0x00007f5f680e058e in start_thread () at /lib64/libpthread.so.0
#8  0x00007f5f685386f3 in clone () at /lib64/libc.so.6

Thread 6 (Thread 0x7f5f4300b700 (LWP 4589)):
#0  0x00007f5f689ef8ba in QMutex::lock() () at /lib64/libQt5Core.so.5
#1  0x00007f5f68bdc75f in  () at /lib64/libQt5Core.so.5
#2  0x00007f5f65898dc1 in g_main_context_check () at /lib64/libglib-2.0.so.0
#3  0x00007f5f65899350 in  () at /lib64/libglib-2.0.so.0
#4  0x00007f5f658994d0 in g_main_context_iteration () at /lib64/libglib-2.0.so.0
#5  0x00007f5f68bdc85b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#6  0x00007f5f68b8b3db in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#7  0x00007f5f689f2d36 in QThread::exec() () at /lib64/libQt5Core.so.5
#8  0x00007f5f437f1d9b in KCupsConnection::run() () at /lib64/libkcupslib.so
#9  0x00007f5f689fc19b in  () at /lib64/libQt5Core.so.5
#10 0x00007f5f680e058e in start_thread () at /lib64/libpthread.so.0
#11 0x00007f5f685386f3 in clone () at /lib64/libc.so.6

Thread 5 (Thread 0x7f5f4dabc700 (LWP 4543)):
#0  0x00007ffe2c5aa63e in  ()
#1  0x00007f5f68546732 in clock_gettime () at /lib64/libc.so.6
#2  0x00007f5f68bdc065 in  () at /lib64/libQt5Core.so.5
#3  0x00007f5f68bdab4d in QTimerInfoList::updateCurrentTime() () at /lib64/libQt5Core.so.5
#4  0x00007f5f68bdaf59 in QTimerInfoList::timerWait(timespec&) () at /lib64/libQt5Core.so.5
#5  0x00007f5f68bdc514 in  () at /lib64/libQt5Core.so.5
#6  0x00007f5f68bdc5c2 in  () at /lib64/libQt5Core.so.5
#7  0x00007f5f658988e9 in g_main_context_prepare () at /lib64/libglib-2.0.so.0
#8  0x00007f5f658992db in  () at /lib64/libglib-2.0.so.0
#9  0x00007f5f658994d0 in g_main_context_iteration () at /lib64/libglib-2.0.so.0
#10 0x00007f5f68bdc85b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#11 0x00007f5f68b8b3db in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#12 0x00007f5f689f2d36 in QThread::exec() () at /lib64/libQt5Core.so.5
#13 0x00007f5f6aa0c53a in  () at /lib64/libQt5Quick.so.5
#14 0x00007f5f689fc19b in  () at /lib64/libQt5Core.so.5
#15 0x00007f5f680e058e in start_thread () at /lib64/libpthread.so.0
#16 0x00007f5f685386f3 in clone () at /lib64/libc.so.6

Thread 4 (Thread 0x7f5f5c97f700 (LWP 4276)):
#0  0x00007f5f680e672c in pthread_cond_wait@@GLIBC_2.3.2 () at /lib64/libpthread.so.0
#1  0x00007f5f5cd638bb in  () at /usr/lib64/dri/i965_dri.so
#2  0x00007f5f5cd635fb in  () at /usr/lib64/dri/i965_dri.so
#3  0x00007f5f680e058e in start_thread () at /lib64/libpthread.so.0
#4  0x00007f5f685386f3 in clone () at /lib64/libc.so.6

Thread 3 (Thread 0x7f5f5ebe5700 (LWP 3968)):
#0  0x00007ffe2c5aa63e in  ()
#1  0x00007f5f68546732 in clock_gettime () at /lib64/libc.so.6
#2  0x00007f5f68bdc065 in  () at /lib64/libQt5Core.so.5
#3  0x00007f5f68bdab4d in QTimerInfoList::updateCurrentTime() () at /lib64/libQt5Core.so.5
#4  0x00007f5f68bdaf59 in QTimerInfoList::timerWait(timespec&) () at /lib64/libQt5Core.so.5
#5  0x00007f5f68bdc514 in  () at /lib64/libQt5Core.so.5
#6  0x00007f5f68bdc5c2 in  () at /lib64/libQt5Core.so.5
#7  0x00007f5f658988e9 in g_main_context_prepare () at /lib64/libglib-2.0.so.0
#8  0x00007f5f658992db in  () at /lib64/libglib-2.0.so.0
#9  0x00007f5f658994d0 in g_main_context_iteration () at /lib64/libglib-2.0.so.0
#10 0x00007f5f68bdc85b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#11 0x00007f5f68b8b3db in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#12 0x00007f5f689f2d36 in QThread::exec() () at /lib64/libQt5Core.so.5
#13 0x00007f5f6a779f59 in  () at /lib64/libQt5Qml.so.5
#14 0x00007f5f689fc19b in  () at /lib64/libQt5Core.so.5
#15 0x00007f5f680e058e in start_thread () at /lib64/libpthread.so.0
#16 0x00007f5f685386f3 in clone () at /lib64/libc.so.6

Thread 2 (Thread 0x7f5f5fdf6700 (LWP 3607)):
#0  0x00007ffe2c5aa61b in  ()
#1  0x00007f5f68546732 in clock_gettime () at /lib64/libc.so.6
#2  0x00007f5f68bdc065 in  () at /lib64/libQt5Core.so.5
#3  0x00007f5f68bdab4d in QTimerInfoList::updateCurrentTime() () at /lib64/libQt5Core.so.5
#4  0x00007f5f68bdaf59 in QTimerInfoList::timerWait(timespec&) () at /lib64/libQt5Core.so.5
#5  0x00007f5f68bdc514 in  () at /lib64/libQt5Core.so.5
#6  0x00007f5f68bdc5c2 in  () at /lib64/libQt5Core.so.5
#7  0x00007f5f658988e9 in g_main_context_prepare () at /lib64/libglib-2.0.so.0
#8  0x00007f5f658992db in  () at /lib64/libglib-2.0.so.0
#9  0x00007f5f658994d0 in g_main_context_iteration () at /lib64/libglib-2.0.so.0
#10 0x00007f5f68bdc85b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#11 0x00007f5f68b8b3db in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#12 0x00007f5f689f2d36 in QThread::exec() () at /lib64/libQt5Core.so.5
#13 0x00007f5f693c0f89 in  () at /lib64/libQt5DBus.so.5
#14 0x00007f5f689fc19b in  () at /lib64/libQt5Core.so.5
#15 0x00007f5f680e058e in start_thread () at /lib64/libpthread.so.0
#16 0x00007f5f685386f3 in clone () at /lib64/libc.so.6

Thread 1 (Thread 0x7f5f651f6580 (LWP 3591)):
[KCrash Handler]
#6  0x00007f5f68b95b04 in QMetaObject::methodOffset() const () at /lib64/libQt5Core.so.5
#7  0x00007f5f68bb580b in QMetaObject::activate(QObject*, int, void**) () at /lib64/libQt5Core.so.5
#8  0x00007f5f6a56a940 in  () at /lib64/libQt5Qml.so.5
#9  0x00007f5f6a7bafae in QQmlDelegateModel::_q_itemsChanged(int, int, QVector<int> const&) () at /lib64/libQt5Qml.so.5
#10 0x00007f5f6a7c1dac in  () at /lib64/libQt5Qml.so.5
#11 0x00007f5f6a7c2093 in QQmlDelegateModel::qt_metacall(QMetaObject::Call, int, void**) () at /lib64/libQt5Qml.so.5
#12 0x00007f5f68bb51f7 in QMetaObject::activate(QObject*, int, int, void**) () at /lib64/libQt5Core.so.5
#13 0x00007f5f68b47f60 in QAbstractItemModel::dataChanged(QModelIndex const&, QModelIndex const&, QVector<int> const&) () at /lib64/libQt5Core.so.5
#14 0x00007f5f4cca8d24 in  () at /usr/lib64/qt5/qml/org/kde/plasma/private/kicker/libkickerplugin.so
#15 0x00007f5f4ccc6073 in  () at /usr/lib64/qt5/qml/org/kde/plasma/private/kicker/libkickerplugin.so
#16 0x00007f5f4ccc930b in  () at /usr/lib64/qt5/qml/org/kde/plasma/private/kicker/libkickerplugin.so
#17 0x00007f5f6a6c9e56 in QQmlVMEMetaObject::metaCall(QObject*, QMetaObject::Call, int, void**) () at /lib64/libQt5Qml.so.5
#18 0x00007f5f6a6e09e6 in  () at /lib64/libQt5Qml.so.5
#19 0x00007f5f6a6ddc1a in QQmlPropertyPrivate::write(QObject*, QQmlPropertyData const&, QVariant const&, QQmlContextData*, QFlags<QQmlPropertyData::WriteFlag>) () at /lib64/libQt5Qml.so.5
#20 0x00007f5f6a692e6d in QV4::QObjectWrapper::setProperty(QV4::ExecutionEngine*, QObject*, QQmlPropertyData*, QV4::Value const&) () at /lib64/libQt5Qml.so.5
#21 0x00007f5f6a69382e in QV4::QObjectWrapper::setQmlProperty(QV4::ExecutionEngine*, QQmlContextData*, QObject*, QV4::String*, QV4::QObjectWrapper::RevisionMode, QV4::Value const&) () at /lib64/libQt5Qml.so.5
#22 0x00007f5f6a69392c in QV4::QObjectWrapper::put(QV4::Managed*, QV4::String*, QV4::Value const&) () at /lib64/libQt5Qml.so.5
#23 0x00007f5f6a6a6fc0 in QV4::Runtime::method_storeProperty(QV4::ExecutionEngine*, QV4::Value const&, int, QV4::Value const&) () at /lib64/libQt5Qml.so.5
#24 0x00007f5f6a6b2abd in  () at /lib64/libQt5Qml.so.5
#25 0x00007f5f402447af in  ()
#26 0x00007f5f5dfa64f8 in  ()
#27 0x00007f5f5dfa6508 in  ()
#28 0x0000559677289290 in  ()
#29 0x0000000000000000 in  ()
[Inferior 1 (process 3591) detached]

Reported using DrKonqi