Application: krunner (5.7.4)

Qt Version: 5.6.1
Frameworks Version: 5.25.0
Operating System: Linux 4.8.0-rc6+ x86_64
Distribution: Debian GNU/Linux unstable (sid)

-- Information about the crash:
I stopped chromium, then used alt-F2 to attempt to restart chromium via krunner, and krunner crashed without starting chromium.

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 0x7fbfc45817c0 (LWP 4096))]

Thread 13 (Thread 0x7fbfa1ffb700 (LWP 4350)):
#0  0x0000003000c0d18f in pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x0000003011caec3b in QWaitCondition::wait(QMutex*, unsigned long) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#2  0x00007fbfb237fda0 in ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*, bool, bool, bool) () at /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#3  0x00007fbfb2383fc8 in  () at /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#4  0x00007fbfb237ef1d in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#5  0x00007fbfb2384022 in  () at /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#6  0x00007fbfb237ef1d in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#7  0x00007fbfb2381de9 in ThreadWeaver::Thread::run() () at /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#8  0x0000003011cadd78 in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#9  0x0000003000c07464 in start_thread (arg=0x7fbfa1ffb700) at pthread_create.c:333
#10 0x00000030004e897f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:105

Thread 12 (Thread 0x7fbfa27fc700 (LWP 4349)):
#0  0x0000003000c0d18f in pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x0000003011caec3b in QWaitCondition::wait(QMutex*, unsigned long) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#2  0x00007fbfb237fda0 in ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*, bool, bool, bool) () at /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#3  0x00007fbfb2383fc8 in  () at /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#4  0x00007fbfb237ef1d in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#5  0x00007fbfb2384022 in  () at /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#6  0x00007fbfb237ef1d in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#7  0x00007fbfb2381de9 in ThreadWeaver::Thread::run() () at /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#8  0x0000003011cadd78 in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#9  0x0000003000c07464 in start_thread (arg=0x7fbfa27fc700) at pthread_create.c:333
#10 0x00000030004e897f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:105

Thread 11 (Thread 0x7fbfa2ffd700 (LWP 4348)):
#0  0x0000003000c0d18f in pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x0000003011caec3b in QWaitCondition::wait(QMutex*, unsigned long) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#2  0x00007fbfb237fda0 in ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*, bool, bool, bool) () at /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#3  0x00007fbfb2383fc8 in  () at /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#4  0x00007fbfb237ef1d in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#5  0x00007fbfb2384022 in  () at /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#6  0x00007fbfb237ef1d in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#7  0x00007fbfb2381de9 in ThreadWeaver::Thread::run() () at /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#8  0x0000003011cadd78 in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#9  0x0000003000c07464 in start_thread (arg=0x7fbfa2ffd700) at pthread_create.c:333
#10 0x00000030004e897f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:105

Thread 10 (Thread 0x7fbfa37fe700 (LWP 4347)):
#0  0x0000003000c0d18f in pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x0000003011caec3b in QWaitCondition::wait(QMutex*, unsigned long) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#2  0x00007fbfb237fda0 in ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*, bool, bool, bool) () at /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#3  0x00007fbfb2383fc8 in  () at /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#4  0x00007fbfb237ef1d in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#5  0x00007fbfb2384022 in  () at /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#6  0x00007fbfb237ef1d in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#7  0x00007fbfb2381de9 in ThreadWeaver::Thread::run() () at /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#8  0x0000003011cadd78 in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#9  0x0000003000c07464 in start_thread (arg=0x7fbfa37fe700) at pthread_create.c:333
#10 0x00000030004e897f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:105

Thread 9 (Thread 0x7fbfa8f27700 (LWP 4346)):
#0  0x0000003000c0d18f in pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x0000003011caec3b in QWaitCondition::wait(QMutex*, unsigned long) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#2  0x00007fbfb237fda0 in ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*, bool, bool, bool) () at /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#3  0x00007fbfb2383fc8 in  () at /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#4  0x00007fbfb237ef1d in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#5  0x00007fbfb2384022 in  () at /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#6  0x00007fbfb237ef1d in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#7  0x00007fbfb2381de9 in ThreadWeaver::Thread::run() () at /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#8  0x0000003011cadd78 in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#9  0x0000003000c07464 in start_thread (arg=0x7fbfa8f27700) at pthread_create.c:333
#10 0x00000030004e897f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:105

Thread 8 (Thread 0x7fbfa9728700 (LWP 4345)):
[KCrash Handler]
#6  0x0000003000c09b50 in __GI___pthread_mutex_lock (mutex=0x7fbfb1056008) at ../nptl/pthread_mutex_lock.c:67
#7  0x00000030d5c03bec in  () at /usr/lib/x86_64-linux-gnu/liblmdb.so.0
#8  0x00000030d5c04d34 in mdb_txn_begin () at /usr/lib/x86_64-linux-gnu/liblmdb.so.0
#9  0x00000030c6c24c20 in  () at /usr/lib/x86_64-linux-gnu/libKF5Baloo.so.5
#10 0x00000030c6c1335f in Baloo::Query::exec() () at /usr/lib/x86_64-linux-gnu/libKF5Baloo.so.5
#11 0x00007fbfaa5496b0 in  () at /usr/lib/x86_64-linux-gnu/qt5/plugins/krunner_baloosearchrunner.so
#12 0x00007fbfaa54a489 in  () at /usr/lib/x86_64-linux-gnu/qt5/plugins/krunner_baloosearchrunner.so
#13 0x00007fbfb25a4f48 in Plasma::AbstractRunner::performMatch(Plasma::RunnerContext&) () at /usr/lib/x86_64-linux-gnu/libKF5Runner.so.5
#14 0x00007fbfb2383748 in ThreadWeaver::Executor::run(QSharedPointer<ThreadWeaver::JobInterface> const&, ThreadWeaver::Thread*) () at /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#15 0x00007fbfb2382190 in ThreadWeaver::Job::execute(QSharedPointer<ThreadWeaver::JobInterface> const&, ThreadWeaver::Thread*) () at /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#16 0x00007fbfb2381d30 in ThreadWeaver::Thread::run() () at /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#17 0x0000003011cadd78 in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#18 0x0000003000c07464 in start_thread (arg=0x7fbfa9728700) at pthread_create.c:333
#19 0x00000030004e897f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:105

Thread 7 (Thread 0x7fbfa3fff700 (LWP 4344)):
#0  0x0000003000c0d18f in pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x0000003011caec3b in QWaitCondition::wait(QMutex*, unsigned long) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#2  0x00007fbfb237fda0 in ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*, bool, bool, bool) () at /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#3  0x00007fbfb2383fc8 in  () at /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#4  0x00007fbfb237ef1d in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#5  0x00007fbfb2384022 in  () at /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#6  0x00007fbfb237ef1d in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#7  0x00007fbfb2381de9 in ThreadWeaver::Thread::run() () at /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#8  0x0000003011cadd78 in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#9  0x0000003000c07464 in start_thread (arg=0x7fbfa3fff700) at pthread_create.c:333
#10 0x00000030004e897f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:105

Thread 6 (Thread 0x7fbfa9f29700 (LWP 4343)):
#0  0x0000003000c0d18f in pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x0000003011caec3b in QWaitCondition::wait(QMutex*, unsigned long) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#2  0x00007fbfb237fda0 in ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*, bool, bool, bool) () at /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#3  0x00007fbfb2383fc8 in  () at /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#4  0x00007fbfb237ef1d in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#5  0x00007fbfb2384022 in  () at /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#6  0x00007fbfb237ef1d in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#7  0x00007fbfb2381de9 in ThreadWeaver::Thread::run() () at /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#8  0x0000003011cadd78 in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#9  0x0000003000c07464 in start_thread (arg=0x7fbfa9f29700) at pthread_create.c:333
#10 0x00000030004e897f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:105

Thread 5 (Thread 0x7fbfb3fff700 (LWP 4108)):
#0  0x00000030004df50d in poll () at ../sysdeps/unix/syscall-template.S:84
#1  0x0000003003c4a9d6 in g_main_context_iterate (priority=<optimized out>, n_fds=1, fds=0x7fbfac002e70, timeout=<optimized out>, context=0x7fbfac000990) at ././glib/gmain.c:4226
#2  0x0000003003c4a9d6 in g_main_context_iterate (context=context@entry=0x7fbfac000990, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at ././glib/gmain.c:3922
#3  0x0000003003c4aaec in g_main_context_iteration (context=0x7fbfac000990, may_block=1) at ././glib/gmain.c:3988
#4  0x0000003011edb51b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x0000003011e8319a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x0000003011ca8e53 in QThread::exec() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x000000303acc8a55 in  () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#8  0x0000003011cadd78 in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#9  0x0000003000c07464 in start_thread (arg=0x7fbfb3fff700) at pthread_create.c:333
#10 0x00000030004e897f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:105

Thread 4 (Thread 0x7fbfc09a3700 (LWP 4104)):
#0  0x0000003000c0d18f in pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007fbfc168d493 in  () at /usr/lib/x86_64-linux-gnu/dri/r600_dri.so
#2  0x00007fbfc168cbd7 in  () at /usr/lib/x86_64-linux-gnu/dri/r600_dri.so
#3  0x0000003000c07464 in start_thread (arg=0x7fbfc09a3700) at pthread_create.c:333
#4  0x00000030004e897f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:105

Thread 3 (Thread 0x7fbfc326a700 (LWP 4100)):
#0  0x00000030004df50d in poll () at ../sysdeps/unix/syscall-template.S:84
#1  0x0000003003c4a9d6 in g_main_context_iterate (priority=<optimized out>, n_fds=1, fds=0x7fbfb4010c40, timeout=<optimized out>, context=0x7fbfb4000990) at ././glib/gmain.c:4226
#2  0x0000003003c4a9d6 in g_main_context_iterate (context=context@entry=0x7fbfb4000990, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at ././glib/gmain.c:3922
#3  0x0000003003c4aaec in g_main_context_iteration (context=0x7fbfb4000990, may_block=1) at ././glib/gmain.c:3988
#4  0x0000003011edb51b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x0000003011e8319a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x0000003011ca8e53 in QThread::exec() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x0000003014c15525 in  () at /usr/lib/x86_64-linux-gnu/libQt5DBus.so.5
#8  0x0000003011cadd78 in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#9  0x0000003000c07464 in start_thread (arg=0x7fbfc326a700) at pthread_create.c:333
#10 0x00000030004e897f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:105

Thread 2 (Thread 0x7fbfc3c9d700 (LWP 4098)):
#0  0x00000030004df50d in poll () at ../sysdeps/unix/syscall-template.S:84
#1  0x000000300340a340 in _xcb_conn_wait (__timeout=-1, __nfds=1, __fds=0x7fbfc3c9cd00) at /usr/include/x86_64-linux-gnu/bits/poll2.h:46
#2  0x000000300340a340 in _xcb_conn_wait (c=c@entry=0x1d7e560, cond=cond@entry=0x1d7e5a0, vector=vector@entry=0x0, count=count@entry=0x0) at ../../src/xcb_conn.c:459
#3  0x000000300340bf39 in xcb_wait_for_event (c=0x1d7e560) at ../../src/xcb_in.c:693
#4  0x00007fbfc42ffa79 in  () at /usr/lib/x86_64-linux-gnu/libQt5XcbQpa.so.5
#5  0x0000003011cadd78 in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x0000003000c07464 in start_thread (arg=0x7fbfc3c9d700) at pthread_create.c:333
#7  0x00000030004e897f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:105

Thread 1 (Thread 0x7fbfc45817c0 (LWP 4096)):
#0  0x0000003000c0d18f 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=0x1d7e560, cond=cond@entry=0x7fff79ba27b0, vector=vector@entry=0x0, count=count@entry=0x0) at ../../src/xcb_conn.c:427
#2  0x000000300340bc5f in wait_for_reply (c=c@entry=0x1d7e560, request=7746, e=e@entry=0x7fff79ba2880) at ../../src/xcb_in.c:516
#3  0x000000300340bd72 in xcb_wait_for_reply (c=c@entry=0x1d7e560, request=7746, e=e@entry=0x7fff79ba2880) at ../../src/xcb_in.c:546
#4  0x0000003003843317 in _XReply (dpy=0x1d7d1a0, rep=0x7fff79ba2900, extra=0, discard=0) at ../../src/xcb_io.c:602
#5  0x0000003010446a7a in  () at /usr/lib/x86_64-linux-gnu/libGL.so.1
#6  0x0000003010446dd7 in  () at /usr/lib/x86_64-linux-gnu/libGL.so.1
#7  0x00007fbfc12ea1a8 in  () at /usr/lib/x86_64-linux-gnu/dri/r600_dri.so
#8  0x00007fbfc12e626c in  () at /usr/lib/x86_64-linux-gnu/dri/r600_dri.so
#9  0x00007fbfc11e06ae in  () at /usr/lib/x86_64-linux-gnu/dri/r600_dri.so
#10 0x00007fbfc11e1bec in  () at /usr/lib/x86_64-linux-gnu/dri/r600_dri.so
#11 0x00007fbfc1182ed2 in  () at /usr/lib/x86_64-linux-gnu/dri/r600_dri.so
#12 0x00007fbfc118b483 in  () at /usr/lib/x86_64-linux-gnu/dri/r600_dri.so
#13 0x000000303af3743a in QSGBatchRenderer::Renderer::renderBatches() () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#14 0x000000303af3ce75 in QSGBatchRenderer::Renderer::render() () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#15 0x000000303af488cf in QSGRenderer::renderScene(QSGBindable const&) () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#16 0x000000303af4916b in QSGRenderer::renderScene(unsigned int) () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#17 0x000000303af5952e in QSGRenderContext::renderNextFrame(QSGRenderer*, unsigned int) () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#18 0x000000303afa08fe in QQuickWindowPrivate::renderSceneGraph(QSize const&) () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#19 0x000000303af6f303 in  () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#20 0x000000303af70561 in  () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#21 0x0000003014f5cbec in QApplicationPrivate::notify_helper(QObject*, QEvent*) () at /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#22 0x0000003014f6208f in QApplication::notify(QObject*, QEvent*) () at /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#23 0x0000003011e85450 in QCoreApplication::notifyInternal2(QObject*, QEvent*) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#24 0x0000003011eda41e in QTimerInfoList::activateTimers() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#25 0x0000003011eda979 in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#26 0x0000003003c4a7d7 in g_main_context_dispatch (context=0x7fbfbc0016f0) at ././glib/gmain.c:3201
#27 0x0000003003c4a7d7 in g_main_context_dispatch (context=context@entry=0x7fbfbc0016f0) at ././glib/gmain.c:3854
#28 0x0000003003c4aa40 in g_main_context_iterate (context=context@entry=0x7fbfbc0016f0, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at ././glib/gmain.c:3927
#29 0x0000003003c4aaec in g_main_context_iteration (context=0x7fbfbc0016f0, may_block=1) at ././glib/gmain.c:3988
#30 0x0000003011edb51b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#31 0x0000003011e8319a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#32 0x0000003011e8b99c in QCoreApplication::exec() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#33 0x0000000000406aeb in  ()
#34 0x00000030004202b1 in __libc_start_main (main=0x4066b0, argc=1, argv=0x7fff79ba3a48, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7fff79ba3a38) at ../csu/libc-start.c:291
#35 0x0000000000406b69 in _start ()

Reported using DrKonqi