Application: plasmashell (5.8.4)

Qt Version: 5.7.1
Frameworks Version: 5.28.0
Operating System: Linux 4.9.0+ x86_64
Distribution: Debian GNU/Linux unstable (sid)

-- Information about the crash:
When quitting firefox and chromium, the plasmashell panel disappeared and reappeared along with the crash bug symbol.

The crash can be reproduced sometimes.

-- Backtrace:
Application: Plasma (plasmashell), signal: Segmentation fault
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f9b149a5d40 (LWP 7887))]

Thread 13 (Thread 0x7f9a4affa700 (LWP 9072)):
#0  0x00007f9b213dc18f in pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f9b222c3c6b in QWaitCondition::wait(QMutex*, unsigned long) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#2  0x00007f9b255493f5 in  () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#3  0x00007f9b25549cea in  () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#4  0x00007f9b222c2da8 in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f9b213d6464 in start_thread (arg=0x7f9a4affa700) at pthread_create.c:333
#6  0x00007f9b21bdc9df in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:105

Thread 12 (Thread 0x7f9a5526d700 (LWP 8135)):
#0  0x00007f9b213dc18f in pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f9b222c3c6b in QWaitCondition::wait(QMutex*, unsigned long) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#2  0x00007f9b255493f5 in  () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#3  0x00007f9b25549cea in  () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#4  0x00007f9b222c2da8 in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f9b213d6464 in start_thread (arg=0x7f9a5526d700) at pthread_create.c:333
#6  0x00007f9b21bdc9df in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:105

Thread 11 (Thread 0x7f9a55feb700 (LWP 7954)):
#0  0x00007f9b213dc18f in pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f9b222c3c6b in QWaitCondition::wait(QMutex*, unsigned long) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#2  0x00007f9b255493f5 in  () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#3  0x00007f9b25549cea in  () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#4  0x00007f9b222c2da8 in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f9b213d6464 in start_thread (arg=0x7f9a55feb700) at pthread_create.c:333
#6  0x00007f9b21bdc9df in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:105

Thread 10 (Thread 0x7f9a677fe700 (LWP 7933)):
#0  0x00007ffe4bafa947 in  ()
#1  0x00007ffe4bafabda in clock_gettime ()
#2  0x00007f9b21be9886 in __GI___clock_gettime (clock_id=1, tp=0x7f9a677fdb60) at ../sysdeps/unix/clock_gettime.c:115
#3  0x00007f9b22368021 in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007f9b224e4bd9 in QTimerInfoList::updateCurrentTime() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f9b224e5185 in QTimerInfoList::timerWait(timespec&) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f9b224e652e in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007f9b1d563edd in g_main_context_prepare (context=context@entry=0x7f9a58000990, priority=priority@entry=0x7f9a677fdcc0) at ././glib/gmain.c:3501
#8  0x00007f9b1d56491b in g_main_context_iterate (context=context@entry=0x7f9a58000990, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at ././glib/gmain.c:3909
#9  0x00007f9b1d564b0c in g_main_context_iteration (context=0x7f9a58000990, may_block=1) at ././glib/gmain.c:3990
#10 0x00007f9b224e6f5b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#11 0x00007f9b224908da in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#12 0x00007f9b222be0f3 in QThread::exec() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#13 0x00007f9b222c2da8 in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#14 0x00007f9b213d6464 in start_thread (arg=0x7f9a677fe700) at pthread_create.c:333
#15 0x00007f9b21bdc9df in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:105

Thread 9 (Thread 0x7f9a67fff700 (LWP 7932)):
#0  0x00007f9b21be91ff in __libc_enable_asynccancel () at ../sysdeps/unix/sysv/linux/x86_64/cancellation.S:67
#1  0x00007f9b21bcf5d2 in read () at ../sysdeps/unix/syscall-template.S:84
#2  0x00007f9b1d5a8c40 in read (__nbytes=16, __buf=0x7f9a67ffebc0, __fd=<optimized out>) at /usr/include/x86_64-linux-gnu/bits/unistd.h:44
#3  0x00007f9b1d5a8c40 in g_wakeup_acknowledge (wakeup=0x7f9a68002570) at ././glib/gwakeup.c:210
#4  0x00007f9b1d5644be in g_main_context_check (context=context@entry=0x7f9a60000990, max_priority=2147483647, fds=fds@entry=0x7f9a600013c0, n_fds=n_fds@entry=1) at ././glib/gmain.c:3707
#5  0x00007f9b1d564994 in g_main_context_iterate (context=context@entry=0x7f9a60000990, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at ././glib/gmain.c:3926
#6  0x00007f9b1d564b0c in g_main_context_iteration (context=0x7f9a60000990, may_block=1) at ././glib/gmain.c:3990
#7  0x00007f9b224e6f5b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007f9b224908da in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#9  0x00007f9b222be0f3 in QThread::exec() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#10 0x00007f9a6c4c8a35 in  () at /usr/lib/x86_64-linux-gnu/qt5/qml/QtQuick/XmlListModel/libqmlxmllistmodelplugin.so
#11 0x00007f9b222c2da8 in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#12 0x00007f9b213d6464 in start_thread (arg=0x7f9a67fff700) at pthread_create.c:333
#13 0x00007f9b21bdc9df in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:105

Thread 8 (Thread 0x7f9a707b6700 (LWP 7897)):
#0  0x00007f9b213dc18f in pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f9b222c3c6b in QWaitCondition::wait(QMutex*, unsigned long) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#2  0x00007f9b255493f5 in  () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#3  0x00007f9b25549cea in  () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#4  0x00007f9b222c2da8 in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f9b213d6464 in start_thread (arg=0x7f9a707b6700) at pthread_create.c:333
#6  0x00007f9b21bdc9df in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:105

Thread 7 (Thread 0x7f9afd8fe700 (LWP 7895)):
#0  0x00007f9b213dc18f in pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f9b26d432c4 in  () at /usr/lib/x86_64-linux-gnu/libQt5Script.so.5
#2  0x00007f9b26d43309 in  () at /usr/lib/x86_64-linux-gnu/libQt5Script.so.5
#3  0x00007f9b213d6464 in start_thread (arg=0x7f9afd8fe700) at pthread_create.c:333
#4  0x00007f9b21bdc9df in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:105

Thread 6 (Thread 0x7f9aff5c8700 (LWP 7893)):
#0  0x00007f9b222c1c10 in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#1  0x00007f9b224e66aa in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#2  0x00007f9b1d563edd in g_main_context_prepare (context=context@entry=0x7f9af4000990, priority=priority@entry=0x7f9aff5c7ca0) at ././glib/gmain.c:3501
#3  0x00007f9b1d56491b in g_main_context_iterate (context=context@entry=0x7f9af4000990, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at ././glib/gmain.c:3909
#4  0x00007f9b1d564b0c in g_main_context_iteration (context=0x7f9af4000990, may_block=1) at ././glib/gmain.c:3990
#5  0x00007f9b224e6f5b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f9b224908da in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007f9b222be0f3 in QThread::exec() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007f9b24b506a5 in  () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#9  0x00007f9b222c2da8 in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#10 0x00007f9b213d6464 in start_thread (arg=0x7f9aff5c8700) at pthread_create.c:333
#11 0x00007f9b21bdc9df in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:105

Thread 5 (Thread 0x7f9b04e17700 (LWP 7892)):
#0  0x00007f9b1d5a9fe0 in g_mutex_lock (mutex=mutex@entry=0x7f9af8000990) at ././glib/gthread-posix.c:1336
#1  0x00007f9b1d5649b2 in g_main_context_iterate (context=context@entry=0x7f9af8000990, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at ././glib/gmain.c:3933
#2  0x00007f9b1d564b0c in g_main_context_iteration (context=0x7f9af8000990, may_block=1) at ././glib/gmain.c:3990
#3  0x00007f9b224e6f5b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007f9b224908da in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f9b222be0f3 in QThread::exec() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f9b24b506a5 in  () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#7  0x00007f9b222c2da8 in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007f9b213d6464 in start_thread (arg=0x7f9b04e17700) at pthread_create.c:333
#9  0x00007f9b21bdc9df in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:105

Thread 4 (Thread 0x7f9b0758c700 (LWP 7890)):
#0  0x00007f9b21bd356d in poll () at ../sysdeps/unix/syscall-template.S:84
#1  0x00007f9b1d5649f6 in g_main_context_poll (priority=<optimized out>, n_fds=1, fds=0x7f9b00011b40, timeout=<optimized out>, context=0x7f9b00000990) at ././glib/gmain.c:4228
#2  0x00007f9b1d5649f6 in g_main_context_iterate (context=context@entry=0x7f9b00000990, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at ././glib/gmain.c:3924
#3  0x00007f9b1d564b0c in g_main_context_iteration (context=0x7f9b00000990, may_block=1) at ././glib/gmain.c:3990
#4  0x00007f9b224e6f5b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f9b224908da in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f9b222be0f3 in QThread::exec() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007f9b274066d5 in  () at /usr/lib/x86_64-linux-gnu/libQt5DBus.so.5
#8  0x00007f9b222c2da8 in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#9  0x00007f9b213d6464 in start_thread (arg=0x7f9b0758c700) at pthread_create.c:333
#10 0x00007f9b21bdc9df in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:105

Thread 3 (Thread 0x7f9b08717700 (LWP 7889)):
#0  0x00007f9b213dc18f in pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f9b10fdc2bb in  () at /usr/lib/x86_64-linux-gnu/dri/r600_dri.so
#2  0x00007f9b10fdc117 in  () at /usr/lib/x86_64-linux-gnu/dri/r600_dri.so
#3  0x00007f9b213d6464 in start_thread (arg=0x7f9b08717700) at pthread_create.c:333
#4  0x00007f9b21bdc9df in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:105

Thread 2 (Thread 0x7f9b12bf4700 (LWP 7888)):
#0  0x00007f9b21bd356d in poll () at ../sysdeps/unix/syscall-template.S:84
#1  0x00007f9b25c9a150 in poll (__timeout=-1, __nfds=1, __fds=0x7f9b12bf3d00) at /usr/include/x86_64-linux-gnu/bits/poll2.h:46
#2  0x00007f9b25c9a150 in _xcb_conn_wait (c=c@entry=0x5606b5eb4370, cond=cond@entry=0x5606b5eb43b0, vector=vector@entry=0x0, count=count@entry=0x0) at ../../src/xcb_conn.c:479
#3  0x00007f9b25c9bee9 in xcb_wait_for_event (c=0x5606b5eb4370) at ../../src/xcb_in.c:693
#4  0x00007f9b14715b69 in  () at /usr/lib/x86_64-linux-gnu/libQt5XcbQpa.so.5
#5  0x00007f9b222c2da8 in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f9b213d6464 in start_thread (arg=0x7f9b12bf4700) at pthread_create.c:333
#7  0x00007f9b21bdc9df in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:105

Thread 1 (Thread 0x7f9b149a5d40 (LWP 7887)):
[KCrash Handler]
#6  0x00007f9b22458d10 in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007f9b22458ff9 in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007f9b22460fe9 in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#9  0x00007f9b224be4e9 in QMetaObject::activate(QObject*, int, int, void**) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#10 0x00007f9b22535814 in QAbstractItemModel::rowsRemoved(QModelIndex const&, int, int, QAbstractItemModel::QPrivateSignal) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#11 0x00007f9b2243a06b in QAbstractItemModel::endRemoveRows() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#12 0x00007f9a6db77018 in  () at /usr/lib/x86_64-linux-gnu/libtaskmanager.so.6
#13 0x00007f9a6db7a0a9 in  () at /usr/lib/x86_64-linux-gnu/libtaskmanager.so.6
#14 0x00007f9b224be4e9 in QMetaObject::activate(QObject*, int, int, void**) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#15 0x00007f9b225357a4 in QAbstractItemModel::rowsAboutToBeRemoved(QModelIndex const&, int, int, QAbstractItemModel::QPrivateSignal) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#16 0x00007f9b22439913 in QAbstractItemModel::beginRemoveRows(QModelIndex const&, int, int) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#17 0x00007f9b2245e735 in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#18 0x00007f9b2245e934 in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#19 0x00007f9b22460fc8 in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#20 0x00007f9b224be4e9 in QMetaObject::activate(QObject*, int, int, void**) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#21 0x00007f9b225357a4 in QAbstractItemModel::rowsAboutToBeRemoved(QModelIndex const&, int, int, QAbstractItemModel::QPrivateSignal) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#22 0x00007f9b22439913 in QAbstractItemModel::beginRemoveRows(QModelIndex const&, int, int) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#23 0x00007f9a6f667265 in  () at /usr/lib/x86_64-linux-gnu/libKF5ItemModels.so.5
#24 0x00007f9a6f668711 in  () at /usr/lib/x86_64-linux-gnu/libKF5ItemModels.so.5
#25 0x00007f9b224be4e9 in QMetaObject::activate(QObject*, int, int, void**) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#26 0x00007f9b225357a4 in QAbstractItemModel::rowsAboutToBeRemoved(QModelIndex const&, int, int, QAbstractItemModel::QPrivateSignal) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#27 0x00007f9b22439913 in QAbstractItemModel::beginRemoveRows(QModelIndex const&, int, int) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#28 0x00007f9b22453f10 in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#29 0x00007f9b224be4e9 in QMetaObject::activate(QObject*, int, int, void**) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#30 0x00007f9b225357a4 in QAbstractItemModel::rowsAboutToBeRemoved(QModelIndex const&, int, int, QAbstractItemModel::QPrivateSignal) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#31 0x00007f9b22439913 in QAbstractItemModel::beginRemoveRows(QModelIndex const&, int, int) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#32 0x00007f9a6db90df3 in TaskManager::XWindowTasksModel::Private::removeWindow(unsigned long long) () at /usr/lib/x86_64-linux-gnu/libtaskmanager.so.6
#33 0x00007f9b224be85e in QMetaObject::activate(QObject*, int, int, void**) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#34 0x00007f9b246732e2 in KWindowSystem::windowRemoved(unsigned long long) () at /usr/lib/x86_64-linux-gnu/libKF5WindowSystem.so.5
#35 0x00007f9b05236a66 in  () at /usr/lib/x86_64-linux-gnu/qt5/plugins/kf5/org.kde.kwindowsystem.platforms/KF5WindowSystemX11Plugin.so
#36 0x00007f9b2466b632 in NETRootInfo::update(QFlags<NET::Property>, QFlags<NET::Property2>) () at /usr/lib/x86_64-linux-gnu/libKF5WindowSystem.so.5
#37 0x00007f9b2466c65c in NETRootInfo::event(xcb_generic_event_t*, QFlags<NET::Property>*, QFlags<NET::Property2>*) () at /usr/lib/x86_64-linux-gnu/libKF5WindowSystem.so.5
#38 0x00007f9b2466c982 in NETRootInfo::event(xcb_generic_event_t*, unsigned long*, int) () at /usr/lib/x86_64-linux-gnu/libKF5WindowSystem.so.5
#39 0x00007f9b05236196 in  () at /usr/lib/x86_64-linux-gnu/qt5/plugins/kf5/org.kde.kwindowsystem.platforms/KF5WindowSystemX11Plugin.so
#40 0x00007f9b2248fa1f in QAbstractEventDispatcher::filterNativeEvent(QByteArray const&, void*, long*) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#41 0x00007f9b14717334 in QXcbConnection::handleXcbEvent(xcb_generic_event_t*) () at /usr/lib/x86_64-linux-gnu/libQt5XcbQpa.so.5
#42 0x00007f9b14718015 in QXcbConnection::processXcbEvents() () at /usr/lib/x86_64-linux-gnu/libQt5XcbQpa.so.5
#43 0x00007f9b224bf399 in QObject::event(QEvent*) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#44 0x00007f9b22d75b2c in QApplicationPrivate::notify_helper(QObject*, QEvent*) () at /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#45 0x00007f9b22d7d2e1 in QApplication::notify(QObject*, QEvent*) () at /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#46 0x00007f9b224928f0 in QCoreApplication::notifyInternal2(QObject*, QEvent*) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#47 0x00007f9b2249507d in QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#48 0x00007f9b224e6b33 in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#49 0x00007f9b1d5647f7 in g_main_dispatch (context=0x7f9b0c0016f0) at ././glib/gmain.c:3203
#50 0x00007f9b1d5647f7 in g_main_context_dispatch (context=context@entry=0x7f9b0c0016f0) at ././glib/gmain.c:3856
#51 0x00007f9b1d564a60 in g_main_context_iterate (context=context@entry=0x7f9b0c0016f0, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at ././glib/gmain.c:3929
#52 0x00007f9b1d564b0c in g_main_context_iteration (context=0x7f9b0c0016f0, may_block=1) at ././glib/gmain.c:3990
#53 0x00007f9b224e6f3f in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#54 0x00007f9b224908da in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#55 0x00007f9b2249904c in QCoreApplication::exec() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#56 0x00005606b3e62d92 in  ()
#57 0x00007f9b21b142b1 in __libc_start_main (main=0x5606b3e62230, argc=2, argv=0x7ffe4baae0e8, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7ffe4baae0d8) at ../csu/libc-start.c:291
#58 0x00005606b3e6311a in _start ()

Reported using DrKonqi