Application: plasmashell (5.8.7)

Qt Version: 5.7.1
Frameworks Version: 5.28.0
Operating System: Linux 4.13.0-rc2+ x86_64
Distribution: Debian GNU/Linux unstable (sid)

-- Information about the crash:
- What I was doing when the application crashed: I quit chromium which had several windows and tabs open. plasmashell did restart successfully.

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 0x7f58aacbec40 (LWP 4276))]

Thread 14 (Thread 0x7f57e126c700 (LWP 4566)):
#0  0x00007f58a0b50494 in g_mutex_unlock (mutex=0x7f57d0000990) at ././glib/gthread-posix.c:1348
#1  0x00007f58a0b0a1fb in g_main_context_prepare (context=context@entry=0x7f57d0000990, priority=priority@entry=0x7f57e126bcc0) at ././glib/gmain.c:3606
#2  0x00007f58a0b0ab3b in g_main_context_iterate (context=context@entry=0x7f57d0000990, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at ././glib/gmain.c:3952
#3  0x00007f58a0b0ad2c in g_main_context_iteration (context=0x7f57d0000990, may_block=1) at ././glib/gmain.c:4033
#4  0x00007f58a5cb83db in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f58a5c6283a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f58a5a92f73 in QThread::exec() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007f58a5a97c28 in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007f58a4bab494 in start_thread (arg=0x7f57e126c700) at pthread_create.c:333
#9  0x00007f58a53b1a8f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:97

Thread 13 (Thread 0x7f57e1a6d700 (LWP 4565)):
#0  0x00007fff88775939 in  ()
#1  0x00007fff88775bf7 in clock_gettime ()
#2  0x00007f58a53be926 in __GI___clock_gettime (clock_id=1, tp=0x7f57e1a6cb40) at ../sysdeps/unix/clock_gettime.c:115
#3  0x00007f58a5b3c011 in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007f58a5cb6059 in QTimerInfoList::updateCurrentTime() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f58a5cb6605 in QTimerInfoList::timerWait(timespec&) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f58a5cb79ae in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007f58a0b0a0ed in g_main_context_prepare (context=context@entry=0x7f57d8000990, priority=priority@entry=0x7f57e1a6cca0) at ././glib/gmain.c:3536
#8  0x00007f58a0b0ab3b in g_main_context_iterate (context=context@entry=0x7f57d8000990, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at ././glib/gmain.c:3952
#9  0x00007f58a0b0ad2c in g_main_context_iteration (context=0x7f57d8000990, may_block=1) at ././glib/gmain.c:4033
#10 0x00007f58a5cb83db in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#11 0x00007f58a5c6283a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#12 0x00007f58a5a92f73 in QThread::exec() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#13 0x00007f57e1ebea35 in  () at /usr/lib/x86_64-linux-gnu/qt5/qml/QtQuick/XmlListModel/libqmlxmllistmodelplugin.so
#14 0x00007f58a5a97c28 in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#15 0x00007f58a4bab494 in start_thread (arg=0x7f57e1a6d700) at pthread_create.c:333
#16 0x00007f58a53b1a8f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:97

Thread 12 (Thread 0x7f57f6831700 (LWP 4526)):
#0  0x00007f58a4bb115f in pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f588166162b in  () at /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#2  0x00007f5881661357 in  () at /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#3  0x00007f58a4bab494 in start_thread (arg=0x7f57f6831700) at pthread_create.c:333
#4  0x00007f58a53b1a8f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:97

Thread 11 (Thread 0x7f57f7032700 (LWP 4525)):
#0  0x00007f58a4bb115f in pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f588166162b in  () at /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#2  0x00007f5881661357 in  () at /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#3  0x00007f58a4bab494 in start_thread (arg=0x7f57f7032700) at pthread_create.c:333
#4  0x00007f58a53b1a8f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:97

Thread 10 (Thread 0x7f57f7833700 (LWP 4524)):
#0  0x00007f58a4bb115f in pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f588166162b in  () at /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#2  0x00007f5881661357 in  () at /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#3  0x00007f58a4bab494 in start_thread (arg=0x7f57f7833700) at pthread_create.c:333
#4  0x00007f58a53b1a8f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:97

Thread 9 (Thread 0x7f57f8034700 (LWP 4523)):
#0  0x00007f58a4bb115f in pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f588166162b in  () at /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#2  0x00007f5881661357 in  () at /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#3  0x00007f58a4bab494 in start_thread (arg=0x7f57f8034700) at pthread_create.c:333
#4  0x00007f58a53b1a8f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:97

Thread 8 (Thread 0x7f57f8835700 (LWP 4522)):
#0  0x00007f58a4bb115f in pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f588166162b in  () at /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#2  0x00007f5881661357 in  () at /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#3  0x00007f58a4bab494 in start_thread (arg=0x7f57f8835700) at pthread_create.c:333
#4  0x00007f58a53b1a8f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:97

Thread 7 (Thread 0x7f57f9036700 (LWP 4521)):
#0  0x00007f58a4bb115f in pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f588166162b in  () at /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#2  0x00007f5881661357 in  () at /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#3  0x00007f58a4bab494 in start_thread (arg=0x7f57f9036700) at pthread_create.c:333
#4  0x00007f58a53b1a8f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:97

Thread 6 (Thread 0x7f5883233700 (LWP 4516)):
#0  0x00007f58a4bb115f in pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f58aa7172c4 in  () at /usr/lib/x86_64-linux-gnu/libQt5Script.so.5
#2  0x00007f58aa717309 in  () at /usr/lib/x86_64-linux-gnu/libQt5Script.so.5
#3  0x00007f58a4bab494 in start_thread (arg=0x7f5883233700) at pthread_create.c:333
#4  0x00007f58a53b1a8f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:97

Thread 5 (Thread 0x7f588d068700 (LWP 4515)):
#0  0x00007fff88775bfb in clock_gettime ()
#1  0x00007f58a53be926 in __GI___clock_gettime (clock_id=1, tp=0x7f588d067b40) at ../sysdeps/unix/clock_gettime.c:115
#2  0x00007f58a5b3c011 in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#3  0x00007f58a5cb6059 in QTimerInfoList::updateCurrentTime() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007f58a5cb6605 in QTimerInfoList::timerWait(timespec&) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f58a5cb79ae in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f58a0b0a0ed in g_main_context_prepare (context=context@entry=0x7f587c000990, priority=priority@entry=0x7f588d067ca0) at ././glib/gmain.c:3536
#7  0x00007f58a0b0ab3b in g_main_context_iterate (context=context@entry=0x7f587c000990, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at ././glib/gmain.c:3952
#8  0x00007f58a0b0ad2c in g_main_context_iteration (context=0x7f587c000990, may_block=1) at ././glib/gmain.c:4033
#9  0x00007f58a5cb83db in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#10 0x00007f58a5c6283a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#11 0x00007f58a5a92f73 in QThread::exec() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#12 0x00007f58a83156a5 in  () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#13 0x00007f58a5a97c28 in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#14 0x00007f58a4bab494 in start_thread (arg=0x7f588d068700) at pthread_create.c:333
#15 0x00007f58a53b1a8f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:97

Thread 4 (Thread 0x7f588e6b1700 (LWP 4411)):
#0  0x00007f58a5cb7b3b in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#1  0x00007f58a0b0a0ed in g_main_context_prepare (context=context@entry=0x7f5884000990, priority=priority@entry=0x7f588e6b0ca0) at ././glib/gmain.c:3536
#2  0x00007f58a0b0ab3b in g_main_context_iterate (context=context@entry=0x7f5884000990, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at ././glib/gmain.c:3952
#3  0x00007f58a0b0ad2c in g_main_context_iteration (context=0x7f5884000990, may_block=1) at ././glib/gmain.c:4033
#4  0x00007f58a5cb83db in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f58a5c6283a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f58a5a92f73 in QThread::exec() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007f58a83156a5 in  () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#8  0x00007f58a5a97c28 in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#9  0x00007f58a4bab494 in start_thread (arg=0x7f588e6b1700) at pthread_create.c:333
#10 0x00007f58a53b1a8f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:97

Thread 3 (Thread 0x7f5895030700 (LWP 4299)):
#0  0x00007f58a53a46ad in read () at ../sysdeps/unix/syscall-template.S:84
#1  0x00007f58a0b4f0d0 in read (__nbytes=16, __buf=0x7f589502fbb0, __fd=<optimized out>) at /usr/include/x86_64-linux-gnu/bits/unistd.h:44
#2  0x00007f58a0b4f0d0 in g_wakeup_acknowledge (wakeup=0x7f58900015c0) at ././glib/gwakeup.c:210
#3  0x00007f58a0b0a6de in g_main_context_check (context=context@entry=0x7f5888000990, max_priority=2147483647, fds=fds@entry=0x7f5888011bc0, n_fds=n_fds@entry=1) at ././glib/gmain.c:3750
#4  0x00007f58a0b0abb4 in g_main_context_iterate (context=context@entry=0x7f5888000990, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at ././glib/gmain.c:3969
#5  0x00007f58a0b0ad2c in g_main_context_iteration (context=0x7f5888000990, may_block=1) at ././glib/gmain.c:4033
#6  0x00007f58a5cb83db in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007f58a5c6283a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007f58a5a92f73 in QThread::exec() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#9  0x00007f58aaddb305 in  () at /usr/lib/x86_64-linux-gnu/libQt5DBus.so.5
#10 0x00007f58a5a97c28 in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#11 0x00007f58a4bab494 in start_thread (arg=0x7f5895030700) at pthread_create.c:333
#12 0x00007f58a53b1a8f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:97

Thread 2 (Thread 0x7f5896398700 (LWP 4290)):
#0  0x00007f58a53a863d in poll () at ../sysdeps/unix/syscall-template.S:84
#1  0x00007f58a966e150 in poll (__timeout=-1, __nfds=1, __fds=0x7f5896397d00) at /usr/include/x86_64-linux-gnu/bits/poll2.h:46
#2  0x00007f58a966e150 in _xcb_conn_wait (c=c@entry=0x84d7c457c0, cond=cond@entry=0x84d7c45800, vector=vector@entry=0x0, count=count@entry=0x0) at ../../src/xcb_conn.c:479
#3  0x00007f58a966fee9 in xcb_wait_for_event (c=0x84d7c457c0) at ../../src/xcb_in.c:693
#4  0x00007f5897aa6b89 in  () at /usr/lib/x86_64-linux-gnu/libQt5XcbQpa.so.5
#5  0x00007f58a5a97c28 in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f58a4bab494 in start_thread (arg=0x7f5896398700) at pthread_create.c:333
#7  0x00007f58a53b1a8f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:97

Thread 1 (Thread 0x7f58aacbec40 (LWP 4276)):
[KCrash Handler]
#6  0x00007f58a5c2b040 in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007f58a5c2b329 in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007f58a5c330c9 in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#9  0x00007f58a5c8fe51 in QMetaObject::activate(QObject*, int, int, void**) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#10 0x00007f58a5d06924 in QAbstractItemModel::rowsRemoved(QModelIndex const&, int, int, QAbstractItemModel::QPrivateSignal) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#11 0x00007f58a5c0c5eb in QAbstractItemModel::endRemoveRows() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#12 0x00007f57e3574408 in  () at /usr/lib/x86_64-linux-gnu/libtaskmanager.so.6
#13 0x00007f57e3577409 in  () at /usr/lib/x86_64-linux-gnu/libtaskmanager.so.6
#14 0x00007f58a5c8fe51 in QMetaObject::activate(QObject*, int, int, void**) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#15 0x00007f58a5d068b4 in QAbstractItemModel::rowsAboutToBeRemoved(QModelIndex const&, int, int, QAbstractItemModel::QPrivateSignal) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#16 0x00007f58a5c0be93 in QAbstractItemModel::beginRemoveRows(QModelIndex const&, int, int) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#17 0x00007f58a5c30995 in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#18 0x00007f58a5c30b94 in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#19 0x00007f58a5c330a8 in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#20 0x00007f58a5c8fe51 in QMetaObject::activate(QObject*, int, int, void**) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#21 0x00007f58a5d068b4 in QAbstractItemModel::rowsAboutToBeRemoved(QModelIndex const&, int, int, QAbstractItemModel::QPrivateSignal) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#22 0x00007f58a5c0be93 in QAbstractItemModel::beginRemoveRows(QModelIndex const&, int, int) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#23 0x00007f57f1071265 in  () at /usr/lib/x86_64-linux-gnu/libKF5ItemModels.so.5
#24 0x00007f57f10726b1 in  () at /usr/lib/x86_64-linux-gnu/libKF5ItemModels.so.5
#25 0x00007f58a5c8fe51 in QMetaObject::activate(QObject*, int, int, void**) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#26 0x00007f58a5d068b4 in QAbstractItemModel::rowsAboutToBeRemoved(QModelIndex const&, int, int, QAbstractItemModel::QPrivateSignal) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#27 0x00007f58a5c0be93 in QAbstractItemModel::beginRemoveRows(QModelIndex const&, int, int) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#28 0x00007f58a5c26340 in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#29 0x00007f58a5c8fe51 in QMetaObject::activate(QObject*, int, int, void**) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#30 0x00007f58a5d068b4 in QAbstractItemModel::rowsAboutToBeRemoved(QModelIndex const&, int, int, QAbstractItemModel::QPrivateSignal) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#31 0x00007f58a5c0be93 in QAbstractItemModel::beginRemoveRows(QModelIndex const&, int, int) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#32 0x00007f57e358de18 in TaskManager::XWindowTasksModel::Private::removeWindow(unsigned long long) () at /usr/lib/x86_64-linux-gnu/libtaskmanager.so.6
#33 0x00007f58a5c901ae in QMetaObject::activate(QObject*, int, int, void**) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#34 0x00007f58a7e38212 in KWindowSystem::windowRemoved(unsigned long long) () at /usr/lib/x86_64-linux-gnu/libKF5WindowSystem.so.5
#35 0x00007f588ead0a36 in  () at /usr/lib/x86_64-linux-gnu/qt5/plugins/kf5/org.kde.kwindowsystem.platforms/KF5WindowSystemX11Plugin.so
#36 0x00007f58a7e30562 in NETRootInfo::update(QFlags<NET::Property>, QFlags<NET::Property2>) () at /usr/lib/x86_64-linux-gnu/libKF5WindowSystem.so.5
#37 0x00007f58a7e3158c in NETRootInfo::event(xcb_generic_event_t*, QFlags<NET::Property>*, QFlags<NET::Property2>*) () at /usr/lib/x86_64-linux-gnu/libKF5WindowSystem.so.5
#38 0x00007f58a7e318b5 in NETRootInfo::event(xcb_generic_event_t*, unsigned long*, int) () at /usr/lib/x86_64-linux-gnu/libKF5WindowSystem.so.5
#39 0x00007f588ead0166 in  () at /usr/lib/x86_64-linux-gnu/qt5/plugins/kf5/org.kde.kwindowsystem.platforms/KF5WindowSystemX11Plugin.so
#40 0x00007f58a5c6197f in QAbstractEventDispatcher::filterNativeEvent(QByteArray const&, void*, long*) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#41 0x00007f5897aa8324 in QXcbConnection::handleXcbEvent(xcb_generic_event_t*) () at /usr/lib/x86_64-linux-gnu/libQt5XcbQpa.so.5
#42 0x00007f5897aa9005 in QXcbConnection::processXcbEvents() () at /usr/lib/x86_64-linux-gnu/libQt5XcbQpa.so.5
#43 0x00007f58a5c90c41 in QObject::event(QEvent*) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#44 0x00007f58a6541bec in QApplicationPrivate::notify_helper(QObject*, QEvent*) () at /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#45 0x00007f58a6549381 in QApplication::notify(QObject*, QEvent*) () at /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#46 0x00007f58a5c64850 in QCoreApplication::notifyInternal2(QObject*, QEvent*) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#47 0x00007f58a5c66fed in QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#48 0x00007f58a5cb7fb3 in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#49 0x00007f58a0b0aa17 in g_main_dispatch (context=0x7f58900016f0) at ././glib/gmain.c:3234
#50 0x00007f58a0b0aa17 in g_main_context_dispatch (context=context@entry=0x7f58900016f0) at ././glib/gmain.c:3899
#51 0x00007f58a0b0ac80 in g_main_context_iterate (context=context@entry=0x7f58900016f0, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at ././glib/gmain.c:3972
#52 0x00007f58a0b0ad2c in g_main_context_iteration (context=0x7f58900016f0, may_block=1) at ././glib/gmain.c:4033
#53 0x00007f58a5cb83bf in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#54 0x00007f58a5c6283a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#55 0x00007f58a5c6aedc in QCoreApplication::exec() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#56 0x00000084d67c72df in  ()
#57 0x00007f58a52e92b1 in __libc_start_main (main=0x84d67c6780, argc=2, argv=0x7fff88770c68, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7fff88770c58) at ../csu/libc-start.c:291
#58 0x00000084d67c765a in _start ()

Reported using DrKonqi