https://bugs.kde.org/show_bug.cgi?id=388140

            Bug ID: 388140
           Summary: Frequent crashes (few per day) when using application
                    launcher
           Product: plasmashell
           Version: 5.11.4
          Platform: Compiled Sources
                OS: Linux
            Status: UNCONFIRMED
          Keywords: drkonqi
          Severity: crash
          Priority: NOR
         Component: general
          Assignee: k...@davidedmundson.co.uk
          Reporter: l-softw...@lausen.nl
                CC: plasma-b...@kde.org
  Target Milestone: 1.0

Application: plasmashell (5.11.4)
 (Compiled from sources)
Qt Version: 5.10.0
Frameworks Version: 5.41.0
Operating System: Linux 4.14.7-gentoo x86_64
Distribution (Platform): Gentoo Packages

-- Information about the crash:
- What I was doing when the application crashed:

Open the application launcher via shortcut / mouse and start typing to retrieve
search result (application / desktop action). Sometimes the plasma desktop
crashes during the typing or keyboard navigation in the results list.

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 0x7f81e59b3e00 (LWP 2825))]

Thread 17 (Thread 0x7f80e159c700 (LWP 10067)):
#0  0x00007f81df010c9d in poll () from /lib64/libc.so.6
#1  0x00007f81d9c285e6 in ?? () from /usr/lib64/libglib-2.0.so.0
#2  0x00007f81d9c286fc in g_main_context_iteration () from
/usr/lib64/libglib-2.0.so.0
#3  0x00007f81df9811eb in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
from /usr/lib64/libQt5Core.so.5
#4  0x00007f81df92ccfa in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from
/usr/lib64/libQt5Core.so.5
#5  0x00007f81df77de7a in QThread::exec() () from /usr/lib64/libQt5Core.so.5
#6  0x00007f81e2801cf5 in QQmlThreadPrivate::run() () from
/usr/lib64/libQt5Qml.so.5
#7  0x00007f81df7827f4 in QThreadPrivate::start(void*) () from
/usr/lib64/libQt5Core.so.5
#8  0x00007f81de8c7687 in start_thread () from /lib64/libpthread.so.0
#9  0x00007f81df01c03f in clone () from /lib64/libc.so.6

Thread 16 (Thread 0x7f810089a700 (LWP 3252)):
#0  0x00007f81de8ce586 in pthread_cond_wait () from /lib64/libpthread.so.0
#1  0x00007f81df782fab in QWaitCondition::wait(QMutex*, unsigned long) () from
/usr/lib64/libQt5Core.so.5
#2  0x00007f8124b35005 in
ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*,
bool, bool, bool) () from /usr/lib64/libKF5ThreadWeaver.so.5
#3  0x00007f8124b39198 in
ThreadWeaver::WorkingHardState::applyForWork(ThreadWeaver::Thread*, bool) ()
from /usr/lib64/libKF5ThreadWeaver.so.5
#4  0x00007f8124b340fd in
ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () from
/usr/lib64/libKF5ThreadWeaver.so.5
#5  0x00007f8124b391f2 in
ThreadWeaver::WorkingHardState::applyForWork(ThreadWeaver::Thread*, bool) ()
from /usr/lib64/libKF5ThreadWeaver.so.5
#6  0x00007f8124b340fd in
ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () from
/usr/lib64/libKF5ThreadWeaver.so.5
#7  0x00007f8124b3704b in ThreadWeaver::Thread::run() () from
/usr/lib64/libKF5ThreadWeaver.so.5
#8  0x00007f81df7827f4 in QThreadPrivate::start(void*) () from
/usr/lib64/libQt5Core.so.5
#9  0x00007f81de8c7687 in start_thread () from /lib64/libpthread.so.0
#10 0x00007f81df01c03f in clone () from /lib64/libc.so.6

Thread 15 (Thread 0x7f810109b700 (LWP 3251)):
#0  0x00007f81de8ce586 in pthread_cond_wait () from /lib64/libpthread.so.0
#1  0x00007f81df782fab in QWaitCondition::wait(QMutex*, unsigned long) () from
/usr/lib64/libQt5Core.so.5
#2  0x00007f8124b35005 in
ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*,
bool, bool, bool) () from /usr/lib64/libKF5ThreadWeaver.so.5
#3  0x00007f8124b39198 in
ThreadWeaver::WorkingHardState::applyForWork(ThreadWeaver::Thread*, bool) ()
from /usr/lib64/libKF5ThreadWeaver.so.5
#4  0x00007f8124b340fd in
ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () from
/usr/lib64/libKF5ThreadWeaver.so.5
#5  0x00007f8124b391f2 in
ThreadWeaver::WorkingHardState::applyForWork(ThreadWeaver::Thread*, bool) ()
from /usr/lib64/libKF5ThreadWeaver.so.5
#6  0x00007f8124b340fd in
ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () from
/usr/lib64/libKF5ThreadWeaver.so.5
#7  0x00007f8124b3704b in ThreadWeaver::Thread::run() () from
/usr/lib64/libKF5ThreadWeaver.so.5
#8  0x00007f81df7827f4 in QThreadPrivate::start(void*) () from
/usr/lib64/libQt5Core.so.5
#9  0x00007f81de8c7687 in start_thread () from /lib64/libpthread.so.0
#10 0x00007f81df01c03f in clone () from /lib64/libc.so.6

Thread 14 (Thread 0x7f810189c700 (LWP 3250)):
#0  0x00007f81de8ce586 in pthread_cond_wait () from /lib64/libpthread.so.0
#1  0x00007f81df782fab in QWaitCondition::wait(QMutex*, unsigned long) () from
/usr/lib64/libQt5Core.so.5
#2  0x00007f8124b35005 in
ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*,
bool, bool, bool) () from /usr/lib64/libKF5ThreadWeaver.so.5
#3  0x00007f8124b39198 in
ThreadWeaver::WorkingHardState::applyForWork(ThreadWeaver::Thread*, bool) ()
from /usr/lib64/libKF5ThreadWeaver.so.5
#4  0x00007f8124b340fd in
ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () from
/usr/lib64/libKF5ThreadWeaver.so.5
#5  0x00007f8124b391f2 in
ThreadWeaver::WorkingHardState::applyForWork(ThreadWeaver::Thread*, bool) ()
from /usr/lib64/libKF5ThreadWeaver.so.5
#6  0x00007f8124b340fd in
ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () from
/usr/lib64/libKF5ThreadWeaver.so.5
#7  0x00007f8124b3704b in ThreadWeaver::Thread::run() () from
/usr/lib64/libKF5ThreadWeaver.so.5
#8  0x00007f81df7827f4 in QThreadPrivate::start(void*) () from
/usr/lib64/libQt5Core.so.5
#9  0x00007f81de8c7687 in start_thread () from /lib64/libpthread.so.0
#10 0x00007f81df01c03f in clone () from /lib64/libc.so.6

Thread 13 (Thread 0x7f810209d700 (LWP 3249)):
#0  0x00007f81de8ce586 in pthread_cond_wait () from /lib64/libpthread.so.0
#1  0x00007f81df782fab in QWaitCondition::wait(QMutex*, unsigned long) () from
/usr/lib64/libQt5Core.so.5
#2  0x00007f8124b35005 in
ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*,
bool, bool, bool) () from /usr/lib64/libKF5ThreadWeaver.so.5
#3  0x00007f8124b39198 in
ThreadWeaver::WorkingHardState::applyForWork(ThreadWeaver::Thread*, bool) ()
from /usr/lib64/libKF5ThreadWeaver.so.5
#4  0x00007f8124b340fd in
ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () from
/usr/lib64/libKF5ThreadWeaver.so.5
#5  0x00007f8124b391f2 in
ThreadWeaver::WorkingHardState::applyForWork(ThreadWeaver::Thread*, bool) ()
from /usr/lib64/libKF5ThreadWeaver.so.5
#6  0x00007f8124b340fd in
ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () from
/usr/lib64/libKF5ThreadWeaver.so.5
#7  0x00007f8124b3704b in ThreadWeaver::Thread::run() () from
/usr/lib64/libKF5ThreadWeaver.so.5
#8  0x00007f81df7827f4 in QThreadPrivate::start(void*) () from
/usr/lib64/libQt5Core.so.5
#9  0x00007f81de8c7687 in start_thread () from /lib64/libpthread.so.0
#10 0x00007f81df01c03f in clone () from /lib64/libc.so.6

Thread 12 (Thread 0x7f810289e700 (LWP 3248)):
#0  0x00007f81de8ce586 in pthread_cond_wait () from /lib64/libpthread.so.0
#1  0x00007f81df782fab in QWaitCondition::wait(QMutex*, unsigned long) () from
/usr/lib64/libQt5Core.so.5
#2  0x00007f8124b35005 in
ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*,
bool, bool, bool) () from /usr/lib64/libKF5ThreadWeaver.so.5
#3  0x00007f8124b39198 in
ThreadWeaver::WorkingHardState::applyForWork(ThreadWeaver::Thread*, bool) ()
from /usr/lib64/libKF5ThreadWeaver.so.5
#4  0x00007f8124b340fd in
ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () from
/usr/lib64/libKF5ThreadWeaver.so.5
#5  0x00007f8124b391f2 in
ThreadWeaver::WorkingHardState::applyForWork(ThreadWeaver::Thread*, bool) ()
from /usr/lib64/libKF5ThreadWeaver.so.5
#6  0x00007f8124b340fd in
ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () from
/usr/lib64/libKF5ThreadWeaver.so.5
#7  0x00007f8124b3704b in ThreadWeaver::Thread::run() () from
/usr/lib64/libKF5ThreadWeaver.so.5
#8  0x00007f81df7827f4 in QThreadPrivate::start(void*) () from
/usr/lib64/libQt5Core.so.5
#9  0x00007f81de8c7687 in start_thread () from /lib64/libpthread.so.0
#10 0x00007f81df01c03f in clone () from /lib64/libc.so.6

Thread 11 (Thread 0x7f810309f700 (LWP 3247)):
#0  0x00007f81de8ce586 in pthread_cond_wait () from /lib64/libpthread.so.0
#1  0x00007f81df782fab in QWaitCondition::wait(QMutex*, unsigned long) () from
/usr/lib64/libQt5Core.so.5
#2  0x00007f8124b35005 in
ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*,
bool, bool, bool) () from /usr/lib64/libKF5ThreadWeaver.so.5
#3  0x00007f8124b39198 in
ThreadWeaver::WorkingHardState::applyForWork(ThreadWeaver::Thread*, bool) ()
from /usr/lib64/libKF5ThreadWeaver.so.5
#4  0x00007f8124b340fd in
ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () from
/usr/lib64/libKF5ThreadWeaver.so.5
#5  0x00007f8124b391f2 in
ThreadWeaver::WorkingHardState::applyForWork(ThreadWeaver::Thread*, bool) ()
from /usr/lib64/libKF5ThreadWeaver.so.5
#6  0x00007f8124b340fd in
ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () from
/usr/lib64/libKF5ThreadWeaver.so.5
#7  0x00007f8124b3704b in ThreadWeaver::Thread::run() () from
/usr/lib64/libKF5ThreadWeaver.so.5
#8  0x00007f81df7827f4 in QThreadPrivate::start(void*) () from
/usr/lib64/libQt5Core.so.5
#9  0x00007f81de8c7687 in start_thread () from /lib64/libpthread.so.0
#10 0x00007f81df01c03f in clone () from /lib64/libc.so.6

Thread 10 (Thread 0x7f81038a0700 (LWP 3246)):
[KCrash Handler]
#6  0x00007f811097fff3 in pcache1RemoveFromHash () from
/usr/lib64/libsqlite3.so.0
#7  0x00007f811098064d in pcache1FetchStage2 () from /usr/lib64/libsqlite3.so.0
#8  0x00007f81109ccb39 in getPageNormal () from /usr/lib64/libsqlite3.so.0
#9  0x00007f81109a4d5a in getAndInitPage () from /usr/lib64/libsqlite3.so.0
#10 0x00007f81109a4f11 in moveToLeftmost () from /usr/lib64/libsqlite3.so.0
#11 0x00007f81109f7188 in sqlite3VdbeExec () from /usr/lib64/libsqlite3.so.0
#12 0x00007f81109fd39f in sqlite3_step () from /usr/lib64/libsqlite3.so.0
#13 0x00007f8110cd04fd in QSQLiteResultPrivate::fetchNext(QVector<QVariant>&,
int, bool) () from /usr/lib64/qt5/plugins/sqldrivers/libqsqlite.so
#14 0x00007f8110cd16bc in QSQLiteResult::exec() () from
/usr/lib64/qt5/plugins/sqldrivers/libqsqlite.so
#15 0x00007f81dd7031b4 in QSqlQuery::exec() () from /usr/lib64/libQt5Sql.so.5
#16 0x00007f81038aedcc in FetchSqlite::query(QString const&, QMap<QString,
QVariant>) () from /usr/lib64/qt5/plugins/krunner_bookmarksrunner.so
#17 0x00007f81038b113a in FetchSqlite::query(BuildQuery*, QMap<QString,
QVariant>) () from /usr/lib64/qt5/plugins/krunner_bookmarksrunner.so
#18 0x00007f81038ac30d in FaviconFromBlob::iconFor(QString const&) () from
/usr/lib64/qt5/plugins/krunner_bookmarksrunner.so
#19 0x00007f81038a9f3d in BookmarkMatch::asQueryMatch(Plasma::AbstractRunner*)
() from /usr/lib64/qt5/plugins/krunner_bookmarksrunner.so
#20 0x00007f81038b379a in BookmarksRunner::match(Plasma::RunnerContext&) ()
from /usr/lib64/qt5/plugins/krunner_bookmarksrunner.so
#21 0x00007f8125612730 in
Plasma::AbstractRunner::performMatch(Plasma::RunnerContext&) () from
/usr/lib64/libKF5Runner.so.5
#22 0x00007f8124b38938 in
ThreadWeaver::Executor::run(QSharedPointer<ThreadWeaver::JobInterface> const&,
ThreadWeaver::Thread*) () from /usr/lib64/libKF5ThreadWeaver.so.5
#23 0x00007f8124b37680 in
ThreadWeaver::Job::execute(QSharedPointer<ThreadWeaver::JobInterface> const&,
ThreadWeaver::Thread*) () from /usr/lib64/libKF5ThreadWeaver.so.5
#24 0x00007f8124b3710d in ThreadWeaver::Thread::run() () from
/usr/lib64/libKF5ThreadWeaver.so.5
#25 0x00007f81df7827f4 in QThreadPrivate::start(void*) () from
/usr/lib64/libQt5Core.so.5
#26 0x00007f81de8c7687 in start_thread () from /lib64/libpthread.so.0
#27 0x00007f81df01c03f in clone () from /lib64/libc.so.6

Thread 9 (Thread 0x7f81116e8700 (LWP 3245)):
#0  0x00007f81de8ce586 in pthread_cond_wait () from /lib64/libpthread.so.0
#1  0x00007f81df782fab in QWaitCondition::wait(QMutex*, unsigned long) () from
/usr/lib64/libQt5Core.so.5
#2  0x00007f8124b35005 in
ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*,
bool, bool, bool) () from /usr/lib64/libKF5ThreadWeaver.so.5
#3  0x00007f8124b39198 in
ThreadWeaver::WorkingHardState::applyForWork(ThreadWeaver::Thread*, bool) ()
from /usr/lib64/libKF5ThreadWeaver.so.5
#4  0x00007f8124b340fd in
ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () from
/usr/lib64/libKF5ThreadWeaver.so.5
#5  0x00007f8124b391f2 in
ThreadWeaver::WorkingHardState::applyForWork(ThreadWeaver::Thread*, bool) ()
from /usr/lib64/libKF5ThreadWeaver.so.5
#6  0x00007f8124b340fd in
ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () from
/usr/lib64/libKF5ThreadWeaver.so.5
#7  0x00007f8124b3704b in ThreadWeaver::Thread::run() () from
/usr/lib64/libKF5ThreadWeaver.so.5
#8  0x00007f81df7827f4 in QThreadPrivate::start(void*) () from
/usr/lib64/libQt5Core.so.5
#9  0x00007f81de8c7687 in start_thread () from /lib64/libpthread.so.0
#10 0x00007f81df01c03f in clone () from /lib64/libc.so.6

Thread 8 (Thread 0x7f811964b700 (LWP 3080)):
#0  0x00007f81d9c6ddb4 in g_mutex_unlock () from /usr/lib64/libglib-2.0.so.0
#1  0x00007f81d9c27ac0 in g_main_context_prepare () from
/usr/lib64/libglib-2.0.so.0
#2  0x00007f81d9c2850b in ?? () from /usr/lib64/libglib-2.0.so.0
#3  0x00007f81d9c286fc in g_main_context_iteration () from
/usr/lib64/libglib-2.0.so.0
#4  0x00007f81df9811eb in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
from /usr/lib64/libQt5Core.so.5
#5  0x00007f81df92ccfa in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from
/usr/lib64/libQt5Core.so.5
#6  0x00007f81df77de7a in QThread::exec() () from /usr/lib64/libQt5Core.so.5
#7  0x00007f811aecac67 in KCupsConnection::run() () from
/usr/lib64/libkcupslib.so
#8  0x00007f81df7827f4 in QThreadPrivate::start(void*) () from
/usr/lib64/libQt5Core.so.5
#9  0x00007f81de8c7687 in start_thread () from /lib64/libpthread.so.0
#10 0x00007f81df01c03f in clone () from /lib64/libc.so.6

Thread 7 (Thread 0x7f812d579700 (LWP 3024)):
#0  0x00007f81d9c6ddb4 in g_mutex_unlock () from /usr/lib64/libglib-2.0.so.0
#1  0x00007f81d9c27fe1 in g_main_context_check () from
/usr/lib64/libglib-2.0.so.0
#2  0x00007f81d9c28584 in ?? () from /usr/lib64/libglib-2.0.so.0
#3  0x00007f81d9c286fc in g_main_context_iteration () from
/usr/lib64/libglib-2.0.so.0
#4  0x00007f81df9811eb in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
from /usr/lib64/libQt5Core.so.5
#5  0x00007f81df92ccfa in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from
/usr/lib64/libQt5Core.so.5
#6  0x00007f81df77de7a in QThread::exec() () from /usr/lib64/libQt5Core.so.5
#7  0x00007f81e33a4e16 in QQuickPixmapReader::run() () from
/usr/lib64/libQt5Quick.so.5
#8  0x00007f81df7827f4 in QThreadPrivate::start(void*) () from
/usr/lib64/libQt5Core.so.5
#9  0x00007f81de8c7687 in start_thread () from /lib64/libpthread.so.0
#10 0x00007f81df01c03f in clone () from /lib64/libc.so.6

Thread 6 (Thread 0x7f81b6963700 (LWP 2966)):
#0  0x00007f81de8ce586 in pthread_cond_wait () from /lib64/libpthread.so.0
#1  0x00007f81e50a6c44 in QTWTF::TCMalloc_PageHeap::scavengerThread() () from
/usr/lib64/libQt5Script.so.5
#2  0x00007f81e50a6c89 in QTWTF::TCMalloc_PageHeap::runScavengerThread(void*)
() from /usr/lib64/libQt5Script.so.5
#3  0x00007f81de8c7687 in start_thread () from /lib64/libpthread.so.0
#4  0x00007f81df01c03f in clone () from /lib64/libc.so.6

Thread 5 (Thread 0x7f81c4922700 (LWP 2950)):
#0  0x00007f81d9c2817a in g_main_context_dispatch () from
/usr/lib64/libglib-2.0.so.0
#1  0x00007f81d9c28650 in ?? () from /usr/lib64/libglib-2.0.so.0
#2  0x00007f81d9c286fc in g_main_context_iteration () from
/usr/lib64/libglib-2.0.so.0
#3  0x00007f81df9811eb in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
from /usr/lib64/libQt5Core.so.5
#4  0x00007f81df92ccfa in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from
/usr/lib64/libQt5Core.so.5
#5  0x00007f81df77de7a in QThread::exec() () from /usr/lib64/libQt5Core.so.5
#6  0x00007f81e2801cf5 in QQmlThreadPrivate::run() () from
/usr/lib64/libQt5Qml.so.5
#7  0x00007f81df7827f4 in QThreadPrivate::start(void*) () from
/usr/lib64/libQt5Core.so.5
#8  0x00007f81de8c7687 in start_thread () from /lib64/libpthread.so.0
#9  0x00007f81df01c03f in clone () from /lib64/libc.so.6

Thread 4 (Thread 0x7f81c65ba700 (LWP 2938)):
#0  0x00007f81d9c6ddb4 in g_mutex_unlock () from /usr/lib64/libglib-2.0.so.0
#1  0x00007f81d9c27ac0 in g_main_context_prepare () from
/usr/lib64/libglib-2.0.so.0
#2  0x00007f81d9c2850b in ?? () from /usr/lib64/libglib-2.0.so.0
#3  0x00007f81d9c286fc in g_main_context_iteration () from
/usr/lib64/libglib-2.0.so.0
#4  0x00007f81df9811eb in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
from /usr/lib64/libQt5Core.so.5
#5  0x00007f81df92ccfa in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from
/usr/lib64/libQt5Core.so.5
#6  0x00007f81df77de7a in QThread::exec() () from /usr/lib64/libQt5Core.so.5
#7  0x00007f81e2801cf5 in QQmlThreadPrivate::run() () from
/usr/lib64/libQt5Qml.so.5
#8  0x00007f81df7827f4 in QThreadPrivate::start(void*) () from
/usr/lib64/libQt5Core.so.5
#9  0x00007f81de8c7687 in start_thread () from /lib64/libpthread.so.0
#10 0x00007f81df01c03f in clone () from /lib64/libc.so.6

Thread 3 (Thread 0x7f81c7fff700 (LWP 2847)):
#0  0x00007f81df010c9d in poll () from /lib64/libc.so.6
#1  0x00007f81d9c285e6 in ?? () from /usr/lib64/libglib-2.0.so.0
#2  0x00007f81d9c286fc in g_main_context_iteration () from
/usr/lib64/libglib-2.0.so.0
#3  0x00007f81df9811eb in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
from /usr/lib64/libQt5Core.so.5
#4  0x00007f81df92ccfa in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from
/usr/lib64/libQt5Core.so.5
#5  0x00007f81df77de7a in QThread::exec() () from /usr/lib64/libQt5Core.so.5
#6  0x00007f81dfd99d89 in QDBusConnectionManager::run() () from
/usr/lib64/libQt5DBus.so.5
#7  0x00007f81df7827f4 in QThreadPrivate::start(void*) () from
/usr/lib64/libQt5Core.so.5
#8  0x00007f81de8c7687 in start_thread () from /lib64/libpthread.so.0
#9  0x00007f81df01c03f in clone () from /lib64/libc.so.6

Thread 2 (Thread 0x7f81ce2bb700 (LWP 2841)):
#0  0x00007f81df010c9d in poll () from /lib64/libc.so.6
#1  0x00007f81e3fd387f in ?? () from /usr/lib64/libxcb.so.1
#2  0x00007f81e3fd5609 in xcb_wait_for_event () from /usr/lib64/libxcb.so.1
#3  0x00007f81cfdeea19 in QXcbEventReader::run() () from
/usr/lib64/libQt5XcbQpa.so.5
#4  0x00007f81df7827f4 in QThreadPrivate::start(void*) () from
/usr/lib64/libQt5Core.so.5
#5  0x00007f81de8c7687 in start_thread () from /lib64/libpthread.so.0
#6  0x00007f81df01c03f in clone () from /lib64/libc.so.6

Thread 1 (Thread 0x7f81e59b3e00 (LWP 2825)):
#0  0x00007f81df78171d in QThreadData::current(bool) () from
/usr/lib64/libQt5Core.so.5
#1  0x00007f81df9810da in postEventSourcePrepare(_GSource*, int*) () from
/usr/lib64/libQt5Core.so.5
#2  0x00007f81d9c27acd in g_main_context_prepare () from
/usr/lib64/libglib-2.0.so.0
#3  0x00007f81d9c2850b in ?? () from /usr/lib64/libglib-2.0.so.0
#4  0x00007f81d9c286fc in g_main_context_iteration () from
/usr/lib64/libglib-2.0.so.0
#5  0x00007f81df9811cf in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
from /usr/lib64/libQt5Core.so.5
#6  0x00007f81cfe72dc1 in
QPAEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
from /usr/lib64/libQt5XcbQpa.so.5
#7  0x00007f81df92ccfa in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from
/usr/lib64/libQt5Core.so.5
#8  0x00007f81df9357a4 in QCoreApplication::exec() () from
/usr/lib64/libQt5Core.so.5
#9  0x000000000041cecc in main ()

Reported using DrKonqi

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