Bug 376912

Summary: Crashed: Kdenlive was updating thumbnails and I closed it
Product: [Applications] kdenlive Reporter: Nikita Melnichenko <nikita+kde>
Component: User Interface & MiscellaneousAssignee: Jean-Baptiste Mardelle <jb>
Status: RESOLVED DOWNSTREAM    
Severity: crash CC: fritzibaby
Priority: NOR Flags: fritzibaby: corner_case+
Version First Reported In: 16.12.2   
Target Milestone: ---   
Platform: Gentoo Packages   
OS: Linux   
Latest Commit: Version Fixed/Implemented In:
Sentry Crash Report:

Description Nikita Melnichenko 2017-02-25 09:35:29 UTC 
Application: kdenlive (16.12.2), MLT 6.4.1

Qt Version: 5.6.2
Frameworks Version: 5.29.0
Operating System: Linux 4.1.35-gentoo-c1 x86_64
Distribution (Platform): Gentoo Packages

-- Information about the crash:
- What I was doing when the application crashed:
Kdenlive was updating the bin (video thumbnails / audio snapshots) and I closed the application.

-- Backtrace:
Application: Kdenlive (kdenlive), signal: Segmentation fault
Using host libthread_db library "/lib64/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f031c21a740 (LWP 22055))]

Thread 35 (Thread 0x7f030a35a700 (LWP 22056)):
#0  0x00007f0315b6b80d in poll () from /lib64/libc.so.6
#1  0x00007f03109198f2 in _xcb_conn_wait () from /usr/lib64/libxcb.so.1
#2  0x00007f031091b6df in xcb_wait_for_event () from /usr/lib64/libxcb.so.1
#3  0x00007f030cef3549 in QXcbEventReader::run() () from /usr/lib64/libQt5XcbQpa.so.5
#4  0x00007f0316523d4c in QThreadPrivate::start(void*) () from /usr/lib64/libQt5Core.so.5
#5  0x00007f0314027494 in start_thread () from /lib64/libpthread.so.0
#6  0x00007f0315b7490d in clone () from /lib64/libc.so.6

Thread 34 (Thread 0x7f0301da6700 (LWP 22057)):
#0  0x00007f0310dac650 in g_main_context_prepare () from /usr/lib64/libglib-2.0.so.0
#1  0x00007f0310dad0a8 in g_main_context_iterate.isra () from /usr/lib64/libglib-2.0.so.0
#2  0x00007f0310dad28c in g_main_context_iteration () from /usr/lib64/libglib-2.0.so.0
#3  0x00007f031671705c in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib64/libQt5Core.so.5
#4  0x00007f03166c8a2a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib64/libQt5Core.so.5
#5  0x00007f031651f564 in QThread::exec() () from /usr/lib64/libQt5Core.so.5
#6  0x00007f031c2c4235 in QDBusConnectionManager::run() () from /usr/lib64/libQt5DBus.so.5
#7  0x00007f0316523d4c in QThreadPrivate::start(void*) () from /usr/lib64/libQt5Core.so.5
#8  0x00007f0314027494 in start_thread () from /lib64/libpthread.so.0
#9  0x00007f0315b7490d in clone () from /lib64/libc.so.6

Thread 33 (Thread 0x7f02e17e9700 (LWP 22058)):
#0  0x00007f0315b6b80d in poll () from /lib64/libc.so.6
#1  0x00007f0310dad17c in g_main_context_iterate.isra () from /usr/lib64/libglib-2.0.so.0
#2  0x00007f0310dad28c in g_main_context_iteration () from /usr/lib64/libglib-2.0.so.0
#3  0x00007f031671705c in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib64/libQt5Core.so.5
#4  0x00007f03166c8a2a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib64/libQt5Core.so.5
#5  0x00007f031651f564 in QThread::exec() () from /usr/lib64/libQt5Core.so.5
#6  0x00007f031724c8f5 in QQmlThreadPrivate::run() () from /usr/lib64/libQt5Qml.so.5
#7  0x00007f0316523d4c in QThreadPrivate::start(void*) () from /usr/lib64/libQt5Core.so.5
#8  0x00007f0314027494 in start_thread () from /lib64/libpthread.so.0
#9  0x00007f0315b7490d in clone () from /lib64/libc.so.6

Thread 32 (Thread 0x7f02db7fe700 (LWP 22060)):
#0  0x00007f0310dad120 in g_main_context_iterate.isra () from /usr/lib64/libglib-2.0.so.0
#1  0x00007f0310dad28c in g_main_context_iteration () from /usr/lib64/libglib-2.0.so.0
#2  0x00007f031671705c in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib64/libQt5Core.so.5
#3  0x00007f03166c8a2a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib64/libQt5Core.so.5
#4  0x00007f031651f564 in QThread::exec() () from /usr/lib64/libQt5Core.so.5
#5  0x00007f031724c8f5 in QQmlThreadPrivate::run() () from /usr/lib64/libQt5Qml.so.5
#6  0x00007f0316523d4c in QThreadPrivate::start(void*) () from /usr/lib64/libQt5Core.so.5
#7  0x00007f0314027494 in start_thread () from /lib64/libpthread.so.0
#8  0x00007f0315b7490d in clone () from /lib64/libc.so.6

Thread 31 (Thread 0x7f02d93ff700 (LWP 22067)):
#0  0x00007f031402d13f in pthread_cond_wait () from /lib64/libpthread.so.0
#1  0x00007f03165243ba in QWaitCondition::wait(QMutex*, unsigned long) () from /usr/lib64/libQt5Core.so.5
#2  0x00007f031aaa8805 in QSGRenderThread::processEventsAndWaitForMore() () from /usr/lib64/libQt5Quick.so.5
#3  0x00007f031aaa8bea in QSGRenderThread::run() () from /usr/lib64/libQt5Quick.so.5
#4  0x00007f0316523d4c in QThreadPrivate::start(void*) () from /usr/lib64/libQt5Core.so.5
#5  0x00007f0314027494 in start_thread () from /lib64/libpthread.so.0
#6  0x00007f0315b7490d in clone () from /lib64/libc.so.6

Thread 30 (Thread 0x7f02d8afe700 (LWP 22068)):
#0  0x00007f0315b6b80d in poll () from /lib64/libc.so.6
#1  0x00007f0310dad17c in g_main_context_iterate.isra () from /usr/lib64/libglib-2.0.so.0
#2  0x00007f0310dad28c in g_main_context_iteration () from /usr/lib64/libglib-2.0.so.0
#3  0x00007f031671705c in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib64/libQt5Core.so.5
#4  0x00007f03166c8a2a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib64/libQt5Core.so.5
#5  0x00007f031651f564 in QThread::exec() () from /usr/lib64/libQt5Core.so.5
#6  0x00007f0316523d4c in QThreadPrivate::start(void*) () from /usr/lib64/libQt5Core.so.5
#7  0x00007f0314027494 in start_thread () from /lib64/libpthread.so.0
#8  0x00007f0315b7490d in clone () from /lib64/libc.so.6

Thread 29 (Thread 0x7f02cbfff700 (LWP 22069)):
#0  0x00007f031402d13f in pthread_cond_wait () from /lib64/libpthread.so.0
#1  0x00007f03165243ba in QWaitCondition::wait(QMutex*, unsigned long) () from /usr/lib64/libQt5Core.so.5
#2  0x00007f031aaa8805 in QSGRenderThread::processEventsAndWaitForMore() () from /usr/lib64/libQt5Quick.so.5
#3  0x00007f031aaa8bea in QSGRenderThread::run() () from /usr/lib64/libQt5Quick.so.5
#4  0x00007f0316523d4c in QThreadPrivate::start(void*) () from /usr/lib64/libQt5Core.so.5
#5  0x00007f0314027494 in start_thread () from /lib64/libpthread.so.0
#6  0x00007f0315b7490d in clone () from /lib64/libc.so.6

Thread 28 (Thread 0x7f02cb5fe700 (LWP 22070)):
#0  0x00007f0315b677cd in read () from /lib64/libc.so.6
#1  0x00007f0310defb60 in g_wakeup_acknowledge () from /usr/lib64/libglib-2.0.so.0
#2  0x00007f0310dacc2c in g_main_context_check () from /usr/lib64/libglib-2.0.so.0
#3  0x00007f0310dad120 in g_main_context_iterate.isra () from /usr/lib64/libglib-2.0.so.0
#4  0x00007f0310dad28c in g_main_context_iteration () from /usr/lib64/libglib-2.0.so.0
#5  0x00007f031671705c in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib64/libQt5Core.so.5
#6  0x00007f03166c8a2a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib64/libQt5Core.so.5
#7  0x00007f031651f564 in QThread::exec() () from /usr/lib64/libQt5Core.so.5
#8  0x00007f0316523d4c in QThreadPrivate::start(void*) () from /usr/lib64/libQt5Core.so.5
#9  0x00007f0314027494 in start_thread () from /lib64/libpthread.so.0
#10 0x00007f0315b7490d in clone () from /lib64/libc.so.6

Thread 27 (Thread 0x7f02dbfff700 (LWP 23357)):
#0  0x00007f031402d4e8 in pthread_cond_timedwait () from /lib64/libpthread.so.0
#1  0x00007f0316524398 in QWaitCondition::wait(QMutex*, unsigned long) () from /usr/lib64/libQt5Core.so.5
#2  0x00007f0316520540 in QThreadPoolThread::run() () from /usr/lib64/libQt5Core.so.5
#3  0x00007f0316523d4c in QThreadPrivate::start(void*) () from /usr/lib64/libQt5Core.so.5
#4  0x00007f0314027494 in start_thread () from /lib64/libpthread.so.0
#5  0x00007f0315b7490d in clone () from /lib64/libc.so.6

Thread 26 (Thread 0x7f02bffff700 (LWP 23359)):
[KCrash Handler]
#6  0x00000000078185c0 in ?? ()
#7  0x00000000006fb23b in ScopeWidget::refreshInThread (this=0x3296c00) at /var/tmp/portage/kde-apps/kdenlive-16.12.2/work/kdenlive-16.12.2/src/monitor/scopes/scopewidget.cpp:68
#8  0x00000000004b17bd in QtConcurrent::RunFunctionTask<void>::run (this=0x22578a20) at /usr/include/qt5/QtConcurrent/qtconcurrentrunbase.h:130
#9  0x00007f03165203fd in QThreadPoolThread::run() () from /usr/lib64/libQt5Core.so.5
#10 0x00007f0316523d4c in QThreadPrivate::start(void*) () from /usr/lib64/libQt5Core.so.5
#11 0x00007f0314027494 in start_thread () from /lib64/libpthread.so.0
#12 0x00007f0315b7490d in clone () from /lib64/libc.so.6

Thread 25 (Thread 0x7f02bf7fe700 (LWP 23378)):
#0  0x00007f031402d4e8 in pthread_cond_timedwait () from /lib64/libpthread.so.0
#1  0x00007f0316524398 in QWaitCondition::wait(QMutex*, unsigned long) () from /usr/lib64/libQt5Core.so.5
#2  0x00007f0316520540 in QThreadPoolThread::run() () from /usr/lib64/libQt5Core.so.5
#3  0x00007f0316523d4c in QThreadPrivate::start(void*) () from /usr/lib64/libQt5Core.so.5
#4  0x00007f0314027494 in start_thread () from /lib64/libpthread.so.0
#5  0x00007f0315b7490d in clone () from /lib64/libc.so.6

Thread 24 (Thread 0x7f02bd52e700 (LWP 23382)):
#0  0x00007f031402d4e8 in pthread_cond_timedwait () from /lib64/libpthread.so.0
#1  0x00007f0316524398 in QWaitCondition::wait(QMutex*, unsigned long) () from /usr/lib64/libQt5Core.so.5
#2  0x00007f0316520540 in QThreadPoolThread::run() () from /usr/lib64/libQt5Core.so.5
#3  0x00007f0316523d4c in QThreadPrivate::start(void*) () from /usr/lib64/libQt5Core.so.5
#4  0x00007f0314027494 in start_thread () from /lib64/libpthread.so.0
#5  0x00007f0315b7490d in clone () from /lib64/libc.so.6

Thread 23 (Thread 0x7f02bcd2d700 (LWP 23383)):
#0  0x00007f031402d4e8 in pthread_cond_timedwait () from /lib64/libpthread.so.0
#1  0x00007f0316524398 in QWaitCondition::wait(QMutex*, unsigned long) () from /usr/lib64/libQt5Core.so.5
#2  0x00007f0316520540 in QThreadPoolThread::run() () from /usr/lib64/libQt5Core.so.5
#3  0x00007f0316523d4c in QThreadPrivate::start(void*) () from /usr/lib64/libQt5Core.so.5
#4  0x00007f0314027494 in start_thread () from /lib64/libpthread.so.0
#5  0x00007f0315b7490d in clone () from /lib64/libc.so.6

Thread 22 (Thread 0x7f02a3fff700 (LWP 23384)):
#0  0x00007f031402d4e8 in pthread_cond_timedwait () from /lib64/libpthread.so.0
#1  0x00007f0316524398 in QWaitCondition::wait(QMutex*, unsigned long) () from /usr/lib64/libQt5Core.so.5
#2  0x00007f0316520540 in QThreadPoolThread::run() () from /usr/lib64/libQt5Core.so.5
#3  0x00007f0316523d4c in QThreadPrivate::start(void*) () from /usr/lib64/libQt5Core.so.5
#4  0x00007f0314027494 in start_thread () from /lib64/libpthread.so.0
#5  0x00007f0315b7490d in clone () from /lib64/libc.so.6

Thread 21 (Thread 0x7f02a37fe700 (LWP 23385)):
#0  0x00007f031402d4e8 in pthread_cond_timedwait () from /lib64/libpthread.so.0
#1  0x00007f0316524398 in QWaitCondition::wait(QMutex*, unsigned long) () from /usr/lib64/libQt5Core.so.5
#2  0x00007f0316520540 in QThreadPoolThread::run() () from /usr/lib64/libQt5Core.so.5
#3  0x00007f0316523d4c in QThreadPrivate::start(void*) () from /usr/lib64/libQt5Core.so.5
#4  0x00007f0314027494 in start_thread () from /lib64/libpthread.so.0
#5  0x00007f0315b7490d in clone () from /lib64/libc.so.6

Thread 20 (Thread 0x7f02a2ffd700 (LWP 23386)):
#0  0x00007f031402d4e8 in pthread_cond_timedwait () from /lib64/libpthread.so.0
#1  0x00007f0316524398 in QWaitCondition::wait(QMutex*, unsigned long) () from /usr/lib64/libQt5Core.so.5
#2  0x00007f0316520540 in QThreadPoolThread::run() () from /usr/lib64/libQt5Core.so.5
#3  0x00007f0316523d4c in QThreadPrivate::start(void*) () from /usr/lib64/libQt5Core.so.5
#4  0x00007f0314027494 in start_thread () from /lib64/libpthread.so.0
#5  0x00007f0315b7490d in clone () from /lib64/libc.so.6

Thread 19 (Thread 0x7f02a27fc700 (LWP 23406)):
#0  0x00007f031402d13f in pthread_cond_wait () from /lib64/libpthread.so.0
#1  0x00007f02f5ac6f96 in frame_worker_thread () from /usr/lib64/libavcodec.so.56
#2  0x00007f0314027494 in start_thread () from /lib64/libpthread.so.0
#3  0x00007f0315b7490d in clone () from /lib64/libc.so.6

Thread 18 (Thread 0x7f02a1ffb700 (LWP 23407)):
#0  0x00007f031402d13f in pthread_cond_wait () from /lib64/libpthread.so.0
#1  0x00007f02f5ac6f96 in frame_worker_thread () from /usr/lib64/libavcodec.so.56
#2  0x00007f0314027494 in start_thread () from /lib64/libpthread.so.0
#3  0x00007f0315b7490d in clone () from /lib64/libc.so.6

Thread 17 (Thread 0x7f02a17fa700 (LWP 23408)):
#0  0x00007f031402d13f in pthread_cond_wait () from /lib64/libpthread.so.0
#1  0x00007f02f5ac6f96 in frame_worker_thread () from /usr/lib64/libavcodec.so.56
#2  0x00007f0314027494 in start_thread () from /lib64/libpthread.so.0
#3  0x00007f0315b7490d in clone () from /lib64/libc.so.6

Thread 16 (Thread 0x7f02a0ff9700 (LWP 23409)):
#0  0x00007f031402d13f in pthread_cond_wait () from /lib64/libpthread.so.0
#1  0x00007f02f5ac6f96 in frame_worker_thread () from /usr/lib64/libavcodec.so.56
#2  0x00007f0314027494 in start_thread () from /lib64/libpthread.so.0
#3  0x00007f0315b7490d in clone () from /lib64/libc.so.6

Thread 15 (Thread 0x7f0293fff700 (LWP 23410)):
#0  0x00007f031402d13f in pthread_cond_wait () from /lib64/libpthread.so.0
#1  0x00007f02f5ac6f96 in frame_worker_thread () from /usr/lib64/libavcodec.so.56
#2  0x00007f0314027494 in start_thread () from /lib64/libpthread.so.0
#3  0x00007f0315b7490d in clone () from /lib64/libc.so.6

Thread 14 (Thread 0x7f02937fe700 (LWP 23411)):
#0  0x00007f031402d13f in pthread_cond_wait () from /lib64/libpthread.so.0
#1  0x00007f02f5ac6f96 in frame_worker_thread () from /usr/lib64/libavcodec.so.56
#2  0x00007f0314027494 in start_thread () from /lib64/libpthread.so.0
#3  0x00007f0315b7490d in clone () from /lib64/libc.so.6

Thread 13 (Thread 0x7f0292ffd700 (LWP 23412)):
#0  0x00007f031402d13f in pthread_cond_wait () from /lib64/libpthread.so.0
#1  0x00007f02f5ac6f96 in frame_worker_thread () from /usr/lib64/libavcodec.so.56
#2  0x00007f0314027494 in start_thread () from /lib64/libpthread.so.0
#3  0x00007f0315b7490d in clone () from /lib64/libc.so.6

Thread 12 (Thread 0x7f02927fc700 (LWP 23413)):
#0  0x00007f031402d13f in pthread_cond_wait () from /lib64/libpthread.so.0
#1  0x00007f02f5ac6f96 in frame_worker_thread () from /usr/lib64/libavcodec.so.56
#2  0x00007f0314027494 in start_thread () from /lib64/libpthread.so.0
#3  0x00007f0315b7490d in clone () from /lib64/libc.so.6

Thread 11 (Thread 0x7f0291ffb700 (LWP 23414)):
#0  0x00007f031402d13f in pthread_cond_wait () from /lib64/libpthread.so.0
#1  0x00007f02f5ac6f96 in frame_worker_thread () from /usr/lib64/libavcodec.so.56
#2  0x00007f0314027494 in start_thread () from /lib64/libpthread.so.0
#3  0x00007f0315b7490d in clone () from /lib64/libc.so.6

Thread 10 (Thread 0x7f0251fd3700 (LWP 27029)):
#0  0x00007f031402d13f in pthread_cond_wait () from /lib64/libpthread.so.0
#1  0x00007f02f5ac6f96 in frame_worker_thread () from /usr/lib64/libavcodec.so.56
#2  0x00007f0314027494 in start_thread () from /lib64/libpthread.so.0
#3  0x00007f0315b7490d in clone () from /lib64/libc.so.6

Thread 9 (Thread 0x7f02527d4700 (LWP 27030)):
#0  0x00007f031402d13f in pthread_cond_wait () from /lib64/libpthread.so.0
#1  0x00007f02f5ac6f96 in frame_worker_thread () from /usr/lib64/libavcodec.so.56
#2  0x00007f0314027494 in start_thread () from /lib64/libpthread.so.0
#3  0x00007f0315b7490d in clone () from /lib64/libc.so.6

Thread 8 (Thread 0x7f0252fd5700 (LWP 27031)):
#0  0x00007f031402d13f in pthread_cond_wait () from /lib64/libpthread.so.0
#1  0x00007f02f5ac6f96 in frame_worker_thread () from /usr/lib64/libavcodec.so.56
#2  0x00007f0314027494 in start_thread () from /lib64/libpthread.so.0
#3  0x00007f0315b7490d in clone () from /lib64/libc.so.6

Thread 7 (Thread 0x7f02537d6700 (LWP 27032)):
#0  0x00007f031402d13f in pthread_cond_wait () from /lib64/libpthread.so.0
#1  0x00007f02f5ac6f96 in frame_worker_thread () from /usr/lib64/libavcodec.so.56
#2  0x00007f0314027494 in start_thread () from /lib64/libpthread.so.0
#3  0x00007f0315b7490d in clone () from /lib64/libc.so.6

Thread 6 (Thread 0x7f02bdd2f700 (LWP 27033)):
#0  0x00007f031402d13f in pthread_cond_wait () from /lib64/libpthread.so.0
#1  0x00007f02f5ac6f96 in frame_worker_thread () from /usr/lib64/libavcodec.so.56
#2  0x00007f0314027494 in start_thread () from /lib64/libpthread.so.0
#3  0x00007f0315b7490d in clone () from /lib64/libc.so.6

Thread 5 (Thread 0x7f025e7ec700 (LWP 27034)):
#0  0x00007f031402d13f in pthread_cond_wait () from /lib64/libpthread.so.0
#1  0x00007f02f5ac6f96 in frame_worker_thread () from /usr/lib64/libavcodec.so.56
#2  0x00007f0314027494 in start_thread () from /lib64/libpthread.so.0
#3  0x00007f0315b7490d in clone () from /lib64/libc.so.6

Thread 4 (Thread 0x7f025dfeb700 (LWP 27035)):
#0  0x00007f031402d13f in pthread_cond_wait () from /lib64/libpthread.so.0
#1  0x00007f02f5ac6f96 in frame_worker_thread () from /usr/lib64/libavcodec.so.56
#2  0x00007f0314027494 in start_thread () from /lib64/libpthread.so.0
#3  0x00007f0315b7490d in clone () from /lib64/libc.so.6

Thread 3 (Thread 0x7f025d7ea700 (LWP 27036)):
#0  0x00007f031402d13f in pthread_cond_wait () from /lib64/libpthread.so.0
#1  0x00007f02f5ac6f96 in frame_worker_thread () from /usr/lib64/libavcodec.so.56
#2  0x00007f0314027494 in start_thread () from /lib64/libpthread.so.0
#3  0x00007f0315b7490d in clone () from /lib64/libc.so.6

Thread 2 (Thread 0x7f025cfe9700 (LWP 27037)):
#0  0x00007f031402d13f in pthread_cond_wait () from /lib64/libpthread.so.0
#1  0x00007f02f5ac6f96 in frame_worker_thread () from /usr/lib64/libavcodec.so.56
#2  0x00007f0314027494 in start_thread () from /lib64/libpthread.so.0
#3  0x00007f0315b7490d in clone () from /lib64/libc.so.6

Thread 1 (Thread 0x7f031c21a740 (LWP 22055)):
#0  0x00007f031402d13f in pthread_cond_wait () from /lib64/libpthread.so.0
#1  0x00007f0310919b49 in _xcb_conn_wait () from /usr/lib64/libxcb.so.1
#2  0x00007f031091b40f in wait_for_reply () from /usr/lib64/libxcb.so.1
#3  0x00007f031091b521 in xcb_wait_for_reply () from /usr/lib64/libxcb.so.1
#4  0x00007f030be60f81 in xcb_icccm_get_wm_hints_reply () from /usr/lib64/libxcb-icccm.so.4
#5  0x00007f030cf05792 in QXcbWindow::updateDoesNotAcceptFocus(bool) () from /usr/lib64/libQt5XcbQpa.so.5
#6  0x00007f030cf0a5ac in QXcbWindow::setWindowFlags(QFlags<Qt::WindowType>) () from /usr/lib64/libQt5XcbQpa.so.5
#7  0x00007f0316a00b1e in QWindow::setFlags(QFlags<Qt::WindowType>) () from /usr/lib64/libQt5Gui.so.5
#8  0x00007f0317c5e28b in QWidgetPrivate::setParent_sys(QWidget*, QFlags<Qt::WindowType>) () from /usr/lib64/libQt5Widgets.so.5
#9  0x00007f0317c69a59 in QWidget::setParent(QWidget*, QFlags<Qt::WindowType>) () from /usr/lib64/libQt5Widgets.so.5
#10 0x00007f0317c6a9cc in QWidget::setParent(QWidget*) () from /usr/lib64/libQt5Widgets.so.5
#11 0x00007f0317c6bec1 in QWidgetAction::releaseWidget(QWidget*) () from /usr/lib64/libQt5Widgets.so.5
#12 0x00007f0317dd10ad in QToolBarLayout::~QToolBarLayout() () from /usr/lib64/libQt5Widgets.so.5
#13 0x00007f0317dd1119 in QToolBarLayout::~QToolBarLayout() () from /usr/lib64/libQt5Widgets.so.5
#14 0x00007f0317c64368 in QWidget::~QWidget() () from /usr/lib64/libQt5Widgets.so.5
#15 0x00007f0317dce019 in QToolBar::~QToolBar() () from /usr/lib64/libQt5Widgets.so.5
#16 0x00007f03166f25fc in QObjectPrivate::deleteChildren() () from /usr/lib64/libQt5Core.so.5
#17 0x00007f0317c6455e in QWidget::~QWidget() () from /usr/lib64/libQt5Widgets.so.5
#18 0x00000000007c5d09 in Bin::~Bin (this=0x1ca5240, __in_chrg=<optimized out>) at /var/tmp/portage/kde-apps/kdenlive-16.12.2/work/kdenlive-16.12.2/src/bin/bin.cpp:501
#19 0x0000000000824cc9 in Core::~Core (this=0x1bcfef0, __in_chrg=<optimized out>) at /var/tmp/portage/kde-apps/kdenlive-16.12.2/work/kdenlive-16.12.2/src/core.cpp:46
#20 0x0000000000824d19 in Core::~Core (this=0x1bcfef0, __in_chrg=<optimized out>) at /var/tmp/portage/kde-apps/kdenlive-16.12.2/work/kdenlive-16.12.2/src/core.cpp:51
#21 0x00000000007f48c5 in MainWindow::~MainWindow (this=this@entry=0x1bcdc20, __in_chrg=<optimized out>, __vtt_parm=<optimized out>) at /var/tmp/portage/kde-apps/kdenlive-16.12.2/work/kdenlive-16.12.2/src/mainwindow.cpp:762
#22 0x00000000007f4a89 in MainWindow::~MainWindow (this=0x1bcdc20, __in_chrg=<optimized out>, __vtt_parm=<optimized out>) at /var/tmp/portage/kde-apps/kdenlive-16.12.2/work/kdenlive-16.12.2/src/mainwindow.cpp:769
#23 0x00007f03166f2a08 in QObject::event(QEvent*) () from /usr/lib64/libQt5Core.so.5
#24 0x00007f0317c68cbb in QWidget::event(QEvent*) () from /usr/lib64/libQt5Widgets.so.5
#25 0x00007f0317d6790b in QMainWindow::event(QEvent*) () from /usr/lib64/libQt5Widgets.so.5
#26 0x00007f0319b91767 in KMainWindow::event(QEvent*) () from /usr/lib64/libKF5XmlGui.so.5
#27 0x00007f0319bcf455 in KXmlGuiWindow::event(QEvent*) () from /usr/lib64/libKF5XmlGui.so.5
#28 0x00007f0317c2295c in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /usr/lib64/libQt5Widgets.so.5
#29 0x00007f0317c27070 in QApplication::notify(QObject*, QEvent*) () from /usr/lib64/libQt5Widgets.so.5
#30 0x00007f03166c9ea0 in QCoreApplication::notifyInternal2(QObject*, QEvent*) () from /usr/lib64/libQt5Core.so.5
#31 0x00007f03166cc103 in QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*) () from /usr/lib64/libQt5Core.so.5
#32 0x00007f03166d0659 in QCoreApplication::exec() () from /usr/lib64/libQt5Core.so.5
#33 0x000000000046bb56 in main (argc=<optimized out>, argv=<optimized out>) at /var/tmp/portage/kde-apps/kdenlive-16.12.2/work/kdenlive-16.12.2/src/main.cpp:164
Comment 1 emohr 2018-11-10 17:02:40 UTC 
It seems a very unique crash. I close this bug. If you have a similar issue again feel free to reopen the bug.