Application: kjumpingcube (2.1)

Qt Version: 5.6.2
Frameworks Version: 5.32.0
Operating System: Linux 4.4.92-31-default x86_64
Distribution: "openSUSE Leap 42.3"

-- Information about the crash:
- What I was doing when the application crashed:
KJumpingCube crashed on exit (when closing the main window).

The crash can be reproduced sometimes.

-- Backtrace:
Application: KJumpingCube (kjumpingcube), signal: Segmentation fault
Using host libthread_db library "/lib64/libthread_db.so.1".
[Current thread is 1 (Thread 0x7fb469700780 (LWP 9068))]

Thread 2 (Thread 0x7fb44d47e700 (LWP 9071)):
#0  0x00007fb46581e20d in poll () at ../sysdeps/unix/syscall-template.S:84
#1  0x00007fb4606ae314 in g_main_context_poll (priority=2147483647, n_fds=1, fds=0x7fb448003020, timeout=-1, context=0x7fb448000990) at gmain.c:4135
#2  0x00007fb4606ae314 in g_main_context_iterate (context=context@entry=0x7fb448000990, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at gmain.c:3835
#3  0x00007fb4606ae42c in g_main_context_iteration (context=0x7fb448000990, may_block=1) at gmain.c:3901
#4  0x00007fb46612b1ab in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=0x7fb4480008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:419
#5  0x00007fb4660d8bfb in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) (this=this@entry=0x7fb44d47de20, flags=..., flags@entry=...) at kernel/qeventloop.cpp:206
#6  0x00007fb465f13f5a in QThread::exec() (this=this@entry=0x7fb461d7cce0 <(anonymous namespace)::Q_QGS__q_manager::innerFunction()::holder>) at thread/qthread.cpp:500
#7  0x00007fb461b13295 in QDBusConnectionManager::run() (this=0x7fb461d7cce0 <(anonymous namespace)::Q_QGS__q_manager::innerFunction()::holder>) at qdbusconnection.cpp:189
#8  0x00007fb465f18a29 in QThreadPrivate::start(void*) (arg=0x7fb461d7cce0 <(anonymous namespace)::Q_QGS__q_manager::innerFunction()::holder>) at thread/qthread_unix.cpp:365
#9  0x00007fb460de2744 in start_thread (arg=0x7fb44d47e700) at pthread_create.c:334
#10 0x00007fb465826aad in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 1 (Thread 0x7fb469700780 (LWP 9068)):
[KCrash Handler]
#6  0x0000000002bbb2c0 in  ()
#7  0x00007fb4541f2bde in qDeleteAll<QList<Phonon::MediaObject*>::const_iterator> (end=..., begin=...) at /usr/include/qt5/QtCore/qalgorithms.h:317
#8  0x00007fb4541f2bde in qDeleteAll<QList<Phonon::MediaObject*> > (c=...) at /usr/include/qt5/QtCore/qalgorithms.h:325
#9  0x00007fb4541f2bde in NotifyByAudio::~NotifyByAudio() (this=0x24a08b0, __in_chrg=<optimized out>) at /usr/src/debug/knotifications-5.32.0/src/notifybyaudio.cpp:46
#10 0x00007fb4541f2c79 in NotifyByAudio::~NotifyByAudio() (this=0x24a08b0, __in_chrg=<optimized out>) at /usr/src/debug/knotifications-5.32.0/src/notifybyaudio.cpp:48
#11 0x00007fb4661036c5 in QObjectPrivate::deleteChildren() (this=this@entry=0x2b00450) at kernel/qobject.cpp:1963
#12 0x00007fb46610cc7e in QObject::~QObject() (this=<optimized out>, __in_chrg=<optimized out>) at kernel/qobject.cpp:1034
#13 0x00007fb4541d1769 in KNotificationManagerSingleton::~KNotificationManagerSingleton (this=<optimized out>, __in_chrg=<optimized out>) at /usr/src/debug/knotifications-5.32.0/src/knotificationmanager.cpp:61
#14 0x00007fb4541d1769 in (anonymous namespace)::Q_QGS_s_self::Holder::~Holder() (this=<optimized out>, __in_chrg=<optimized out>) at /usr/src/debug/knotifications-5.32.0/src/knotificationmanager.cpp:67
#15 0x00007fb465774139 in __run_exit_handlers (status=0, listp=0x7fb465ada5a0 <__exit_funcs>, run_list_atexit=run_list_atexit@entry=true) at exit.c:82
#16 0x00007fb465774185 in __GI_exit (status=<optimized out>) at exit.c:104
#17 0x00007fb46575d6ec in __libc_start_main (main=0x40d650 <main(int, char**)>, argc=3, argv=0x7ffe69e78da8, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7ffe69e78d98) at libc-start.c:323
#18 0x000000000040dcb9 in _start () at ../sysdeps/x86_64/start.S:118

Reported using DrKonqi