Application: plasmashell (5.13.2)

Qt Version: 5.10.1
Frameworks Version: 5.47.0
Operating System: Linux 4.17.0-1-amd64 x86_64
Distribution: Debian GNU/Linux testing (buster)

-- Information about the crash:
- What I was doing when the application crashed:
when i'm typing in search menu 'play' plasma always crashes

The crash can be reproduced every time.

-- Backtrace:
Application: Plazma (plasmashell), signal: Segmentation fault
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f828fbef100 (LWP 2026))]

Thread 15 (Thread 0x7f81a3fff700 (LWP 5783)):
#0  0x00007f829b4a9e6c in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x5627b7e059c0) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007f829b4a9e6c in __pthread_cond_wait_common (abstime=0x0, mutex=0x5627b7e05970, cond=0x5627b7e05998) at pthread_cond_wait.c:502
#2  0x00007f829b4a9e6c in __pthread_cond_wait (cond=0x5627b7e05998, mutex=0x5627b7e05970) at pthread_cond_wait.c:655
#3  0x00007f829bcf2fbb in QWaitCondition::wait(QMutex*, unsigned long) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007f81e3dea6d5 in ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*, bool, bool, bool) () at /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#5  0x00007f81e3dee7a8 in  () at /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#6  0x00007f81e3de98fd in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#7  0x00007f81e3dee802 in  () at /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#8  0x00007f81e3de98fd in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#9  0x00007f81e3dee802 in  () at /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#10 0x00007f81e3de98fd in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#11 0x00007f81e3dee802 in  () at /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#12 0x00007f81e3de98fd in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#13 0x00007f81e3dee802 in  () at /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#14 0x00007f81e3de98fd in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#15 0x00007f81e3dee802 in  () at /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#16 0x00007f81e3de98fd in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#17 0x00007f81e3dee802 in  () at /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#18 0x00007f81e3de98fd in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#19 0x00007f81e3dee802 in  () at /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#20 0x00007f81e3de98fd in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#21 0x00007f81e3dee802 in  () at /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#22 0x00007f81e3de98fd in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#23 0x00007f81e3dee802 in  () at /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#24 0x00007f81e3de98fd in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#25 0x00007f81e3dec66b in ThreadWeaver::Thread::run() () at /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#26 0x00007f829bcf1b4f in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#27 0x00007f829b4a3f2a in start_thread (arg=0x7f81a3fff700) at pthread_create.c:463
#28 0x00007f829b9f9edf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 14 (Thread 0x7f81c0ff9700 (LWP 5782)):
#0  0x00007f829b4a9e6c in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x5627b7e059c0) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007f829b4a9e6c in __pthread_cond_wait_common (abstime=0x0, mutex=0x5627b7e05970, cond=0x5627b7e05998) at pthread_cond_wait.c:502
#2  0x00007f829b4a9e6c in __pthread_cond_wait (cond=0x5627b7e05998, mutex=0x5627b7e05970) at pthread_cond_wait.c:655
#3  0x00007f829bcf2fbb in QWaitCondition::wait(QMutex*, unsigned long) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007f81e3dea6d5 in ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*, bool, bool, bool) () at /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#5  0x00007f81e3dee7a8 in  () at /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#6  0x00007f81e3de98fd in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#7  0x00007f81e3dee802 in  () at /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#8  0x00007f81e3de98fd in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#9  0x00007f81e3dee802 in  () at /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#10 0x00007f81e3de98fd in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#11 0x00007f81e3dec66b in ThreadWeaver::Thread::run() () at /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#12 0x00007f829bcf1b4f in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#13 0x00007f829b4a3f2a in start_thread (arg=0x7f81c0ff9700) at pthread_create.c:463
#14 0x00007f829b9f9edf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 13 (Thread 0x7f81c17fa700 (LWP 5781)):
#0  0x00007f829b4a9e6c in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x5627b7e059c0) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007f829b4a9e6c in __pthread_cond_wait_common (abstime=0x0, mutex=0x5627b7e05970, cond=0x5627b7e05998) at pthread_cond_wait.c:502
#2  0x00007f829b4a9e6c in __pthread_cond_wait (cond=0x5627b7e05998, mutex=0x5627b7e05970) at pthread_cond_wait.c:655
#3  0x00007f829bcf2fbb in QWaitCondition::wait(QMutex*, unsigned long) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007f81e3dea6d5 in ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*, bool, bool, bool) () at /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#5  0x00007f81e3dee7a8 in  () at /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#6  0x00007f81e3de98fd in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#7  0x00007f81e3dee802 in  () at /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#8  0x00007f81e3de98fd in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#9  0x00007f81e3dee802 in  () at /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#10 0x00007f81e3de98fd in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#11 0x00007f81e3dee802 in  () at /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#12 0x00007f81e3de98fd in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#13 0x00007f81e3dec66b in ThreadWeaver::Thread::run() () at /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#14 0x00007f829bcf1b4f in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#15 0x00007f829b4a3f2a in start_thread (arg=0x7f81c17fa700) at pthread_create.c:463
#16 0x00007f829b9f9edf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 12 (Thread 0x7f81c1ffb700 (LWP 5780)):
#0  0x00007f829b4a9e6c in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x5627b7e059c0) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007f829b4a9e6c in __pthread_cond_wait_common (abstime=0x0, mutex=0x5627b7e05970, cond=0x5627b7e05998) at pthread_cond_wait.c:502
#2  0x00007f829b4a9e6c in __pthread_cond_wait (cond=0x5627b7e05998, mutex=0x5627b7e05970) at pthread_cond_wait.c:655
#3  0x00007f829bcf2fbb in QWaitCondition::wait(QMutex*, unsigned long) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007f81e3dea6d5 in ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*, bool, bool, bool) () at /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#5  0x00007f81e3dee7a8 in  () at /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#6  0x00007f81e3de98fd in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#7  0x00007f81e3dee802 in  () at /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#8  0x00007f81e3de98fd in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#9  0x00007f81e3dec66b in ThreadWeaver::Thread::run() () at /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#10 0x00007f829bcf1b4f in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#11 0x00007f829b4a3f2a in start_thread (arg=0x7f81c1ffb700) at pthread_create.c:463
#12 0x00007f829b9f9edf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 11 (Thread 0x7f81c27fc700 (LWP 5779)):
#0  0x00007f829b4a9e6c in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x5627b7e059c0) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007f829b4a9e6c in __pthread_cond_wait_common (abstime=0x0, mutex=0x5627b7e05970, cond=0x5627b7e05998) at pthread_cond_wait.c:502
#2  0x00007f829b4a9e6c in __pthread_cond_wait (cond=0x5627b7e05998, mutex=0x5627b7e05970) at pthread_cond_wait.c:655
#3  0x00007f829bcf2fbb in QWaitCondition::wait(QMutex*, unsigned long) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007f81e3dea6d5 in ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*, bool, bool, bool) () at /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#5  0x00007f81e3dee7a8 in  () at /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#6  0x00007f81e3de98fd in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#7  0x00007f81e3dee802 in  () at /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#8  0x00007f81e3de98fd in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#9  0x00007f81e3dec66b in ThreadWeaver::Thread::run() () at /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#10 0x00007f829bcf1b4f in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#11 0x00007f829b4a3f2a in start_thread (arg=0x7f81c27fc700) at pthread_create.c:463
#12 0x00007f829b9f9edf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 10 (Thread 0x7f81c2ffd700 (LWP 5778)):
#0  0x00007f829b4a9e6c in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x5627b7e059c0) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007f829b4a9e6c in __pthread_cond_wait_common (abstime=0x0, mutex=0x5627b7e05970, cond=0x5627b7e05998) at pthread_cond_wait.c:502
#2  0x00007f829b4a9e6c in __pthread_cond_wait (cond=0x5627b7e05998, mutex=0x5627b7e05970) at pthread_cond_wait.c:655
#3  0x00007f829bcf2fbb in QWaitCondition::wait(QMutex*, unsigned long) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007f81e3dea6d5 in ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*, bool, bool, bool) () at /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#5  0x00007f81e3dee7a8 in  () at /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#6  0x00007f81e3de98fd in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#7  0x00007f81e3dee802 in  () at /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#8  0x00007f81e3de98fd in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#9  0x00007f81e3dec66b in ThreadWeaver::Thread::run() () at /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#10 0x00007f829bcf1b4f in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#11 0x00007f829b4a3f2a in start_thread (arg=0x7f81c2ffd700) at pthread_create.c:463
#12 0x00007f829b9f9edf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 9 (Thread 0x7f81c37fe700 (LWP 5777)):
#0  0x00007f829b4a9e6c in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x5627b7e059c0) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007f829b4a9e6c in __pthread_cond_wait_common (abstime=0x0, mutex=0x5627b7e05970, cond=0x5627b7e05998) at pthread_cond_wait.c:502
#2  0x00007f829b4a9e6c in __pthread_cond_wait (cond=0x5627b7e05998, mutex=0x5627b7e05970) at pthread_cond_wait.c:655
#3  0x00007f829bcf2fbb in QWaitCondition::wait(QMutex*, unsigned long) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007f81e3dea6d5 in ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*, bool, bool, bool) () at /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#5  0x00007f81e3dee7a8 in  () at /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#6  0x00007f81e3de98fd in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#7  0x00007f81e3dee802 in  () at /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#8  0x00007f81e3de98fd in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#9  0x00007f81e3dec66b in ThreadWeaver::Thread::run() () at /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#10 0x00007f829bcf1b4f in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#11 0x00007f829b4a3f2a in start_thread (arg=0x7f81c37fe700) at pthread_create.c:463
#12 0x00007f829b9f9edf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 8 (Thread 0x7f81c3fff700 (LWP 5776)):
[KCrash Handler]
#6  0x00007f829bf1cf80 in QVariant::QVariant(QVariant const&) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007f81e208ac8b in  () at /usr/lib/x86_64-linux-gnu/qt5/plugins/sqldrivers/libqsqlite.so
#8  0x00007f81e208853e in  () at /usr/lib/x86_64-linux-gnu/qt5/plugins/sqldrivers/libqsqlite.so
#9  0x00007f829a42f304 in QSqlQuery::exec() () at /usr/lib/x86_64-linux-gnu/libQt5Sql.so.5
#10 0x00007f81c842af93 in  () at /usr/lib/x86_64-linux-gnu/qt5/plugins/krunner_bookmarksrunner.so
#11 0x00007f81c842d30a in  () at /usr/lib/x86_64-linux-gnu/qt5/plugins/krunner_bookmarksrunner.so
#12 0x00007f81c8428465 in  () at /usr/lib/x86_64-linux-gnu/qt5/plugins/krunner_bookmarksrunner.so
#13 0x00007f81c84260ad in  () at /usr/lib/x86_64-linux-gnu/qt5/plugins/krunner_bookmarksrunner.so
#14 0x00007f81c842fa3a in  () at /usr/lib/x86_64-linux-gnu/qt5/plugins/krunner_bookmarksrunner.so
#15 0x00007f81e895c320 in Plasma::AbstractRunner::performMatch(Plasma::RunnerContext&) () at /usr/lib/x86_64-linux-gnu/libKF5Runner.so.5
#16 0x00007f81e3dedf68 in ThreadWeaver::Executor::run(QSharedPointer<ThreadWeaver::JobInterface> const&, ThreadWeaver::Thread*) () at /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#17 0x00007f81e3decbd0 in ThreadWeaver::Job::execute(QSharedPointer<ThreadWeaver::JobInterface> const&, ThreadWeaver::Thread*) () at /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#18 0x00007f81e3dec72d in ThreadWeaver::Thread::run() () at /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#19 0x00007f829bcf1b4f in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#20 0x00007f829b4a3f2a in start_thread (arg=0x7f81c3fff700) at pthread_create.c:463
#21 0x00007f829b9f9edf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 7 (Thread 0x7f81ea15e700 (LWP 3040)):
#0  0x00007f829bce8eec in QMutex::lock() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#1  0x00007f829bf330dd in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#2  0x00007f8296607998 in g_main_context_prepare () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f829660836b in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f829660854c in g_main_context_iteration () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f829bf331bb in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f829bed6b6a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007f829bcec7ea in QThread::exec() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007f829fc98586 in  () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#9  0x00007f829bcf1b4f in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#10 0x00007f829b4a3f2a in start_thread (arg=0x7f81ea15e700) at pthread_create.c:463
#11 0x00007f829b9f9edf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 6 (Thread 0x7f81f7fff700 (LWP 2709)):
#0  0x00007f829b4a9e6c in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x5627b56c4760) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007f829b4a9e6c in __pthread_cond_wait_common (abstime=0x0, mutex=0x5627b56c4710, cond=0x5627b56c4738) at pthread_cond_wait.c:502
#2  0x00007f829b4a9e6c in __pthread_cond_wait (cond=0x5627b56c4738, mutex=0x5627b56c4710) at pthread_cond_wait.c:655
#3  0x00007f827d3d2cbb in  () at /usr/lib/x86_64-linux-gnu/dri/i965_dri.so
#4  0x00007f827d3d29e7 in  () at /usr/lib/x86_64-linux-gnu/dri/i965_dri.so
#5  0x00007f829b4a3f2a in start_thread (arg=0x7f81f7fff700) at pthread_create.c:463
#6  0x00007f829b9f9edf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 5 (Thread 0x7f827f22d700 (LWP 2686)):
#0  0x00007f829b4a9e6c in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x7f82a1ecefb8) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007f829b4a9e6c in __pthread_cond_wait_common (abstime=0x0, mutex=0x7f82a1ecef68, cond=0x7f82a1ecef90) at pthread_cond_wait.c:502
#2  0x00007f829b4a9e6c in __pthread_cond_wait (cond=0x7f82a1ecef90, mutex=0x7f82a1ecef68) at pthread_cond_wait.c:655
#3  0x00007f82a1bd86a4 in  () at /usr/lib/x86_64-linux-gnu/libQt5Script.so.5
#4  0x00007f82a1bd86e9 in  () at /usr/lib/x86_64-linux-gnu/libQt5Script.so.5
#5  0x00007f829b4a3f2a in start_thread (arg=0x7f827f22d700) at pthread_create.c:463
#6  0x00007f829b9f9edf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 4 (Thread 0x7f82856be700 (LWP 2372)):
#0  0x00007f8296607e38 in g_main_context_check () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f82966083e0 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f829660854c in g_main_context_iteration () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f829bf331bb in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007f829bed6b6a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f829bcec7ea in QThread::exec() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f829f842885 in  () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#7  0x00007f829bcf1b4f in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007f829b4a3f2a in start_thread (arg=0x7f82856be700) at pthread_create.c:463
#9  0x00007f829b9f9edf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 3 (Thread 0x7f8287103700 (LWP 2139)):
#0  0x00007f829b9ef739 in __GI___poll (fds=0x7f8280004db0, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007f8296608439 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f829660854c in g_main_context_iteration () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f829bf331bb in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007f829bed6b6a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f829bcec7ea in QThread::exec() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f829e200df5 in  () at /usr/lib/x86_64-linux-gnu/libQt5DBus.so.5
#7  0x00007f829bcf1b4f in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007f829b4a3f2a in start_thread (arg=0x7f8287103700) at pthread_create.c:463
#9  0x00007f829b9f9edf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 2 (Thread 0x7f828d5cf700 (LWP 2050)):
#0  0x00007f829b9ef739 in __GI___poll (fds=0x7f828d5cec68, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007f82a08ce0f7 in  () at /usr/lib/x86_64-linux-gnu/libxcb.so.1
#2  0x00007f82a08cfd1a in xcb_wait_for_event () at /usr/lib/x86_64-linux-gnu/libxcb.so.1
#3  0x00007f828f52db19 in  () at /usr/lib/x86_64-linux-gnu/libQt5XcbQpa.so.5
#4  0x00007f829bcf1b4f in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f829b4a3f2a in start_thread (arg=0x7f828d5cf700) at pthread_create.c:463
#6  0x00007f829b9f9edf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 1 (Thread 0x7f828fbef100 (LWP 2026)):
#0  0x00007f829b9eb2d7 in __GI___libc_write (fd=5, buf=0x7ffcf8c75890, nbytes=8) at ../sysdeps/unix/sysv/linux/write.c:27
#1  0x00007f829664ca1a in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f82966047e0 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f8296608230 in g_main_context_dispatch () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f82966084c0 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f829660854c in g_main_context_iteration () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#6  0x00007f829bf3319f in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007f828f5b22c1 in  () at /usr/lib/x86_64-linux-gnu/libQt5XcbQpa.so.5
#8  0x00007f829bed6b6a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#9  0x00007f829bedfed4 in QCoreApplication::exec() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#10 0x00005627b4ef7aa8 in  ()
#11 0x00007f829b924b17 in __libc_start_main (main=0x5627b4ef6f60, argc=1, argv=0x7ffcf8c75db8, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7ffcf8c75da8) at ../csu/libc-start.c:310
#12 0x00005627b4ef7f0a in _start ()

Reported using DrKonqi