Application: krunner (5.6.5)

Qt Version: 5.6.1
Frameworks Version: 5.23.0
Operating System: Linux 4.8.0-rc2 x86_64
Distribution: Debian GNU/Linux unstable (sid)

-- Information about the crash:
I did an upgrade, prelink and then shut down to single user mode, restarted KDE and attempted to start iceweasel using F2, which was unsuccessful.

The crash can be reproduced sometimes.

-- Backtrace:
Application: krunner (krunner), signal: Segmentation fault
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
[Current thread is 1 (Thread 0x7f48522f47c0 (LWP 19327))]

Thread 13 (Thread 0x7f4817fff700 (LWP 19689)):
#0  0x0000003000c0d09f in pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x0000003012eaec3b in QWaitCondition::wait(QMutex*, unsigned long) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#2  0x00007f48400e6bbf in ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*, bool, bool, bool) () at /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#3  0x00007f48400eabb8 in  () at /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#4  0x00007f48400e5dad in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#5  0x00007f48400eac12 in  () at /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#6  0x00007f48400e5dad in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#7  0x00007f48400e8730 in ThreadWeaver::Thread::run() () at /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#8  0x0000003012eadd78 in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#9  0x0000003000c07464 in start_thread (arg=0x7f4817fff700) at pthread_create.c:333
#10 0x00000030004e730d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 12 (Thread 0x7f4834f4b700 (LWP 19688)):
[KCrash Handler]
#6  0x00000030d7c03b44 in  () at /usr/lib/x86_64-linux-gnu/liblmdb.so.0
#7  0x00000030d7c04d34 in mdb_txn_begin () at /usr/lib/x86_64-linux-gnu/liblmdb.so.0
#8  0x00000030c742492e in  () at /usr/lib/x86_64-linux-gnu/libKF5Baloo.so.5
#9  0x00000030c74132cf in Baloo::Query::exec() () at /usr/lib/x86_64-linux-gnu/libKF5Baloo.so.5
#10 0x00007f4837f566c0 in  () at /usr/lib/x86_64-linux-gnu/qt5/plugins/krunner_baloosearchrunner.so
#11 0x00007f4837f57479 in  () at /usr/lib/x86_64-linux-gnu/qt5/plugins/krunner_baloosearchrunner.so
#12 0x00007f484030ae98 in Plasma::AbstractRunner::performMatch(Plasma::RunnerContext&) () at /usr/lib/x86_64-linux-gnu/libKF5Runner.so.5
#13 0x00007f48400ea367 in ThreadWeaver::Executor::run(QSharedPointer<ThreadWeaver::JobInterface> const&, ThreadWeaver::Thread*) () at /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#14 0x00007f48400e8e90 in ThreadWeaver::Job::execute(QSharedPointer<ThreadWeaver::JobInterface> const&, ThreadWeaver::Thread*) () at /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#15 0x00007f48400e8680 in ThreadWeaver::Thread::run() () at /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#16 0x0000003012eadd78 in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#17 0x0000003000c07464 in start_thread (arg=0x7f4834f4b700) at pthread_create.c:333
#18 0x00000030004e730d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 11 (Thread 0x7f483574c700 (LWP 19687)):
#0  0x0000003000c0d09f in pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x0000003012eaec3b in QWaitCondition::wait(QMutex*, unsigned long) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#2  0x00007f48400e6bbf in ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*, bool, bool, bool) () at /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#3  0x00007f48400eabb8 in  () at /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#4  0x00007f48400e5dad in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#5  0x00007f48400eac12 in  () at /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#6  0x00007f48400e5dad in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#7  0x00007f48400e8730 in ThreadWeaver::Thread::run() () at /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#8  0x0000003012eadd78 in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#9  0x0000003000c07464 in start_thread (arg=0x7f483574c700) at pthread_create.c:333
#10 0x00000030004e730d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 10 (Thread 0x7f4835f4d700 (LWP 19686)):
#0  0x0000003000c0d09f in pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x0000003012eaec3b in QWaitCondition::wait(QMutex*, unsigned long) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#2  0x00007f48400e6bbf in ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*, bool, bool, bool) () at /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#3  0x00007f48400eabb8 in  () at /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#4  0x00007f48400e5dad in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#5  0x00007f48400eac12 in  () at /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#6  0x00007f48400e5dad in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#7  0x00007f48400e8730 in ThreadWeaver::Thread::run() () at /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#8  0x0000003012eadd78 in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#9  0x0000003000c07464 in start_thread (arg=0x7f4835f4d700) at pthread_create.c:333
#10 0x00000030004e730d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 9 (Thread 0x7f483674e700 (LWP 19685)):
#0  0x0000003000c0d09f in pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x0000003012eaec3b in QWaitCondition::wait(QMutex*, unsigned long) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#2  0x00007f48400e6bbf in ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*, bool, bool, bool) () at /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#3  0x00007f48400eabb8 in  () at /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#4  0x00007f48400e5dad in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#5  0x00007f48400eac12 in  () at /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#6  0x00007f48400e5dad in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#7  0x00007f48400e8730 in ThreadWeaver::Thread::run() () at /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#8  0x0000003012eadd78 in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#9  0x0000003000c07464 in start_thread (arg=0x7f483674e700) at pthread_create.c:333
#10 0x00000030004e730d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 8 (Thread 0x7f4836f4f700 (LWP 19684)):
#0  0x0000003000c0d09f in pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x0000003012eaec3b in QWaitCondition::wait(QMutex*, unsigned long) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#2  0x00007f48400e6bbf in ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*, bool, bool, bool) () at /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#3  0x00007f48400eabb8 in  () at /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#4  0x00007f48400e5dad in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#5  0x00007f48400eac12 in  () at /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#6  0x00007f48400e5dad in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#7  0x00007f48400e8730 in ThreadWeaver::Thread::run() () at /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#8  0x0000003012eadd78 in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#9  0x0000003000c07464 in start_thread (arg=0x7f4836f4f700) at pthread_create.c:333
#10 0x00000030004e730d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 7 (Thread 0x7f4837750700 (LWP 19683)):
#0  0x0000003000c0d09f in pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x0000003012eaec3b in QWaitCondition::wait(QMutex*, unsigned long) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#2  0x00007f48400e6bbf in ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*, bool, bool, bool) () at /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#3  0x00007f48400eabb8 in  () at /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#4  0x00007f48400e5dad in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#5  0x00007f48400eac12 in  () at /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#6  0x00007f48400e5dad in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#7  0x00007f48400e8730 in ThreadWeaver::Thread::run() () at /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#8  0x0000003012eadd78 in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#9  0x0000003000c07464 in start_thread (arg=0x7f4837750700) at pthread_create.c:333
#10 0x00000030004e730d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 6 (Thread 0x7f4837f51700 (LWP 19682)):
#0  0x0000003000c0d09f in pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x0000003012eaec3b in QWaitCondition::wait(QMutex*, unsigned long) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#2  0x00007f48400e6bbf in ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*, bool, bool, bool) () at /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#3  0x00007f48400eabb8 in  () at /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#4  0x00007f48400e5dad in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#5  0x00007f48400eac12 in  () at /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#6  0x00007f48400e5dad in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#7  0x00007f48400eac12 in  () at /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#8  0x00007f48400e5dad in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#9  0x00007f48400e8730 in ThreadWeaver::Thread::run() () at /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#10 0x0000003012eadd78 in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#11 0x0000003000c07464 in start_thread (arg=0x7f4837f51700) at pthread_create.c:333
#12 0x00000030004e730d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 5 (Thread 0x7f4848c8e700 (LWP 19341)):
#0  0x0000003003c8e284 in g_mutex_unlock (mutex=0x7f483c000990) at ././glib/gthread-posix.c:1347
#1  0x0000003003c4a10e in g_main_context_iterate (context=context@entry=0x7f483c000990, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at ././glib/gmain.c:3818
#2  0x0000003003c4a30c in g_main_context_iteration (context=0x7f483c000990, may_block=1) at ././glib/gmain.c:3901
#3  0x00000030130db51b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x000000301308319a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x0000003012ea8e53 in QThread::exec() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x000000303f8c1405 in  () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#7  0x0000003012eadd78 in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x0000003000c07464 in start_thread (arg=0x7f4848c8e700) at pthread_create.c:333
#9  0x00000030004e730d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 4 (Thread 0x7f484a5a5700 (LWP 19337)):
#0  0x0000003000c0d09f in pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f484b28a063 in  () at /usr/lib/x86_64-linux-gnu/dri/r600_dri.so
#2  0x00007f484b289787 in  () at /usr/lib/x86_64-linux-gnu/dri/r600_dri.so
#3  0x0000003000c07464 in start_thread (arg=0x7f484a5a5700) at pthread_create.c:333
#4  0x00000030004e730d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 3 (Thread 0x7f4850fdb700 (LWP 19329)):
#0  0x0000003003c8e269 in g_mutex_lock (mutex=mutex@entry=0x7f4844000990) at ././glib/gthread-posix.c:1335
#1  0x0000003003c4a1db in g_main_context_iterate (priority=<optimized out>, n_fds=1, fds=0x7f4844004390, timeout=<optimized out>, context=0x7f4844000990) at ././glib/gmain.c:4130
#2  0x0000003003c4a1db in g_main_context_iterate (context=context@entry=0x7f4844000990, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at ././glib/gmain.c:3835
#3  0x0000003003c4a30c in g_main_context_iteration (context=0x7f4844000990, may_block=1) at ././glib/gmain.c:3901
#4  0x00000030130db51b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x000000301308319a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x0000003012ea8e53 in QThread::exec() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x0000003008015525 in  () at /usr/lib/x86_64-linux-gnu/libQt5DBus.so.5
#8  0x0000003012eadd78 in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#9  0x0000003000c07464 in start_thread (arg=0x7f4850fdb700) at pthread_create.c:333
#10 0x00000030004e730d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 2 (Thread 0x7f4851a0e700 (LWP 19328)):
#0  0x00000030004de19d in poll () at ../sysdeps/unix/syscall-template.S:84
#1  0x000000300340a340 in _xcb_conn_wait (__timeout=-1, __nfds=1, __fds=0x7f4851a0dd00) at /usr/include/x86_64-linux-gnu/bits/poll2.h:46
#2  0x000000300340a340 in _xcb_conn_wait (c=c@entry=0xde7470, cond=cond@entry=0xde74b0, vector=vector@entry=0x0, count=count@entry=0x0) at ../../src/xcb_conn.c:459
#3  0x000000300340bf39 in xcb_wait_for_event (c=0xde7470) at ../../src/xcb_in.c:693
#4  0x00007f4852071a79 in  () at /usr/lib/x86_64-linux-gnu/libQt5XcbQpa.so.5
#5  0x0000003012eadd78 in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x0000003000c07464 in start_thread (arg=0x7f4851a0e700) at pthread_create.c:333
#7  0x00000030004e730d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 1 (Thread 0x7f48522f47c0 (LWP 19327)):
#0  0x0000003000c0d09f in pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x000000300340a5b7 in _xcb_conn_wait (c=c@entry=0xde7470, cond=cond@entry=0x7ffc7ef06770, vector=vector@entry=0x0, count=count@entry=0x0) at ../../src/xcb_conn.c:427
#2  0x000000300340bc5f in wait_for_reply (c=c@entry=0xde7470, request=968, e=e@entry=0x7ffc7ef06840) at ../../src/xcb_in.c:516
#3  0x000000300340bd72 in xcb_wait_for_reply (c=c@entry=0xde7470, request=968, e=e@entry=0x7ffc7ef06840) at ../../src/xcb_in.c:546
#4  0x0000003003843317 in _XReply (dpy=0xde60b0, rep=0x7ffc7ef068c0, extra=0, discard=0) at ../../src/xcb_io.c:602
#5  0x0000003010846bfa in  () at /usr/lib/x86_64-linux-gnu/libGL.so.1
#6  0x0000003010846f37 in  () at /usr/lib/x86_64-linux-gnu/libGL.so.1
#7  0x00007f484aee761a in  () at /usr/lib/x86_64-linux-gnu/dri/r600_dri.so
#8  0x00007f484aee378c in  () at /usr/lib/x86_64-linux-gnu/dri/r600_dri.so
#9  0x00007f484addfbce in  () at /usr/lib/x86_64-linux-gnu/dri/r600_dri.so
#10 0x00007f484ade1139 in  () at /usr/lib/x86_64-linux-gnu/dri/r600_dri.so
#11 0x00007f484ad84d42 in  () at /usr/lib/x86_64-linux-gnu/dri/r600_dri.so
#12 0x00007f484ad8d2c1 in  () at /usr/lib/x86_64-linux-gnu/dri/r600_dri.so
#13 0x000000303ff375aa in QSGBatchRenderer::Renderer::renderBatches() () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#14 0x000000303ff3cfb4 in QSGBatchRenderer::Renderer::render() () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#15 0x000000303ff48d3f in QSGRenderer::renderScene(QSGBindable const&) () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#16 0x000000303ff4958b in QSGRenderer::renderScene(unsigned int) () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#17 0x000000303ff5983e in QSGRenderContext::renderNextFrame(QSGRenderer*, unsigned int) () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#18 0x000000303ffa0f79 in QQuickWindowPrivate::renderSceneGraph(QSize const&) () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#19 0x000000303ff6f8f5 in  () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#20 0x000000303ff70ad1 in  () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#21 0x000000301595cbec in QApplicationPrivate::notify_helper(QObject*, QEvent*) () at /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#22 0x000000301596208f in QApplication::notify(QObject*, QEvent*) () at /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#23 0x0000003013085450 in QCoreApplication::notifyInternal2(QObject*, QEvent*) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#24 0x00000030130da41e in QTimerInfoList::activateTimers() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#25 0x00000030130da979 in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#26 0x0000003003c49ff7 in g_main_context_dispatch (context=0x7f484c0016f0) at ././glib/gmain.c:3154
#27 0x0000003003c49ff7 in g_main_context_dispatch (context=context@entry=0x7f484c0016f0) at ././glib/gmain.c:3769
#28 0x0000003003c4a260 in g_main_context_iterate (context=context@entry=0x7f484c0016f0, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at ././glib/gmain.c:3840
#29 0x0000003003c4a30c in g_main_context_iteration (context=0x7f484c0016f0, may_block=1) at ././glib/gmain.c:3901
#30 0x00000030130db51b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#31 0x000000301308319a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#32 0x000000301308b99c in QCoreApplication::exec() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#33 0x0000000000406aee in  ()
#34 0x0000003000420730 in __libc_start_main (main=0x4066e0, argc=1, argv=0x7ffc7ef079e8, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7ffc7ef079d8) at ../csu/libc-start.c:291
#35 0x0000000000406b69 in _start ()

Reported using DrKonqi