Application: dragon (2.0)
KDE Platform Version: 4.14.18
Qt Version: 4.8.7
Operating System: Linux 4.4.6-301.fc23.x86_64 x86_64
Distribution: "Fedora release 23 (Twenty Three)"

-- Information about the crash:
- What I was doing when the application crashed:
1. Start dragonplayer
2. open VIDEO_TS.VOB from DVD disk 
4. ...
5. crash!

-- Backtrace:
Application: Dragon Player (dragon), signal: Segmentation fault
Using host libthread_db library "/lib64/libthread_db.so.1".
84	T_PSEUDO (SYSCALL_SYMBOL, SYSCALL_NAME, SYSCALL_NARGS)
[Current thread is 1 (Thread 0x7fd631016940 (LWP 4378))]

Thread 4 (Thread 0x7fd5fecd5700 (LWP 4521)):
#0  0x00007fd62c968fdd in poll () at ../sysdeps/unix/syscall-template.S:84
#1  0x00007fd62337116c in g_main_context_iterate (priority=2147483647, n_fds=2, fds=0x7fd6000038c0, timeout=<optimized out>, context=0x7fd6000028b0) at gmain.c:4135
#2  0x00007fd62337116c in g_main_context_iterate (context=context@entry=0x7fd6000028b0, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at gmain.c:3835
#3  0x00007fd62337127c in g_main_context_iteration (context=0x7fd6000028b0, may_block=may_block@entry=1) at gmain.c:3901
#4  0x00007fd62d8b6e7e in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=0x7fd600002e90, flags=...) at kernel/qeventdispatcher_glib.cpp:452
#5  0x00007fd62d885131 in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=this@entry=0x7fd5fecd4c40, flags=...) at kernel/qeventloop.cpp:149
#6  0x00007fd62d8854a5 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) (this=this@entry=0x7fd5fecd4c40, flags=...) at kernel/qeventloop.cpp:204
#7  0x00007fd62d774a99 in QThread::exec() (this=this@entry=0x55e821d10500) at thread/qthread.cpp:538
#8  0x00007fd62d865203 in QInotifyFileSystemWatcherEngine::run() (this=0x55e821d10500) at io/qfilesystemwatcher_inotify.cpp:265
#9  0x00007fd62d77738c in QThreadPrivate::start(void*) (arg=0x55e821d10500) at thread/qthread_unix.cpp:352
#10 0x00007fd62d4d560a in start_thread (arg=0x7fd5fecd5700) at pthread_create.c:334
#11 0x00007fd62c974a4d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 3 (Thread 0x7fd5f7012700 (LWP 4536)):
#0  0x00007fd62c96ec59 in syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007fd6233b599a in g_cond_wait_until (cond=cond@entry=0x55e8219fc248, mutex=mutex@entry=0x55e8219fc240, end_time=end_time@entry=10125319019) at gthread-posix.c:1444
#2  0x00007fd623345c09 in g_async_queue_pop_intern_unlocked (queue=queue@entry=0x55e8219fc240, wait=wait@entry=1, end_time=end_time@entry=10125319019) at gasyncqueue.c:422
#3  0x00007fd62334622b in g_async_queue_timeout_pop (queue=0x55e8219fc240, timeout=timeout@entry=15000000) at gasyncqueue.c:543
#4  0x00007fd62339828a in g_thread_pool_thread_proxy () at gthreadpool.c:167
#5  0x00007fd62339828a in g_thread_pool_thread_proxy (data=<optimized out>) at gthreadpool.c:364
#6  0x00007fd623397835 in g_thread_proxy (data=0x7fd5e00231e0) at gthread.c:778
#7  0x00007fd62d4d560a in start_thread (arg=0x7fd5f7012700) at pthread_create.c:334
#8  0x00007fd62c974a4d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 2 (Thread 0x7fd5f1c53700 (LWP 4538)):
#0  0x00007fd62c968fdd in poll () at ../sysdeps/unix/syscall-template.S:84
#1  0x00007fd62337116c in g_main_context_iterate (priority=2147483647, n_fds=1, fds=0x7fd5d00008c0, timeout=<optimized out>, context=0x7fd5dc00ec60) at gmain.c:4135
#2  0x00007fd62337116c in g_main_context_iterate (context=context@entry=0x7fd5dc00ec60, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at gmain.c:3835
#3  0x00007fd62337127c in g_main_context_iteration (context=0x7fd5dc00ec60, may_block=may_block@entry=1) at gmain.c:3901
#4  0x00007fd6233712b9 in glib_worker_main (data=<optimized out>) at gmain.c:5672
#5  0x00007fd623397835 in g_thread_proxy (data=0x7fd5dc003230) at gthread.c:778
#6  0x00007fd62d4d560a in start_thread (arg=0x7fd5f1c53700) at pthread_create.c:334
#7  0x00007fd62c974a4d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 1 (Thread 0x7fd631016940 (LWP 4378)):
[KCrash Handler]
#6  0x00007fd622c2c07d in g_type_check_instance_is_fundamentally_a (type_instance=type_instance@entry=0x7fd5f723a5c9, fundamental_type=fundamental_type@entry=80) at gtype.c:4032
#7  0x00007fd622c0c447 in g_object_unref (_object=0x7fd5f723a5c9) at gobject.c:3076
#8  0x00007fd61e2b0570 in gst_plugin_feature_list_free () at /lib64/libgstreamer-1.0.so.0
#9  0x00007fd5f8a3b37a in gst_auto_convert_dispose () at /usr/lib64/gstreamer-1.0/libgstautoconvert.so
#10 0x00007fd622c0c52c in g_object_unref (_object=0x55e821a62210) at gobject.c:3142
#11 0x00007fd61e296fac in _gst_message_free () at /lib64/libgstreamer-1.0.so.0
#12 0x00007fd62336d2fd in g_list_foreach (list=<optimized out>, list@entry=0x55e821f52860, func=0x7fd61e272100 <gst_message_unref>, user_data=user_data@entry=0x0) at glist.c:1005
#13 0x00007fd62336d31b in g_list_free_full (list=0x55e821f52860, free_func=<optimized out>) at glist.c:220
#14 0x00007fd61e2ab835 in gst_pipeline_change_state () at /lib64/libgstreamer-1.0.so.0
#15 0x00007fd5f5c7c29f in gst_play_bin_change_state () at /usr/lib64/gstreamer-1.0/libgstplayback.so
#16 0x00007fd61e28ae22 in gst_element_change_state () at /lib64/libgstreamer-1.0.so.0
#17 0x00007fd61e28b417 in gst_element_set_state_func () at /lib64/libgstreamer-1.0.so.0
#18 0x00007fd608f34550 in Phonon::Gstreamer::Pipeline::setState(GstState) () at /usr/lib64/kde4/plugins/phonon_backend/phonon_gstreamer.so
#19 0x00007fd608f292c0 in Phonon::Gstreamer::MediaObject::requestState(Phonon::State) () at /usr/lib64/kde4/plugins/phonon_backend/phonon_gstreamer.so
#20 0x00007fd608f2a68b in Phonon::Gstreamer::MediaObject::qt_static_metacall(QObject*, QMetaObject::Call, int, void**) [clone .part.66] () at /usr/lib64/kde4/plugins/phonon_backend/phonon_gstreamer.so
#21 0x00007fd62d8a07f1 in QObject::event(QEvent*) (this=0x55e821b8ee80, e=<optimized out>) at kernel/qobject.cpp:1222
#22 0x00007fd62e7ce93c in QApplicationPrivate::notify_helper(QObject*, QEvent*) (this=this@entry=0x55e82183e1a0, receiver=receiver@entry=0x55e821b8ee80, e=e@entry=0x55e821f1d750) at kernel/qapplication.cpp:4565
#23 0x00007fd62e7d5796 in QApplication::notify(QObject*, QEvent*) (this=this@entry=0x7fff95ade970, receiver=receiver@entry=0x55e821b8ee80, e=e@entry=0x55e821f1d750) at kernel/qapplication.cpp:4351
#24 0x00007fd62f55a60a in KApplication::notify(QObject*, QEvent*) (this=0x7fff95ade970, receiver=0x55e821b8ee80, event=0x55e821f1d750) at /usr/src/debug/kdelibs-4.14.18/kdeui/kernel/kapplication.cpp:311
#25 0x00007fd62d8868bd in QCoreApplication::notifyInternal(QObject*, QEvent*) (this=0x7fff95ade970, receiver=receiver@entry=0x55e821b8ee80, event=event@entry=0x55e821f1d750) at kernel/qcoreapplication.cpp:955
#26 0x00007fd62d889ed6 in QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*) (event=0x55e821f1d750, receiver=0x55e821b8ee80) at kernel/qcoreapplication.h:231
#27 0x00007fd62d889ed6 in QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*) (receiver=receiver@entry=0x0, event_type=event_type@entry=0, data=0x55e8217fd530) at kernel/qcoreapplication.cpp:1579
#28 0x00007fd62d88a1b3 in QCoreApplication::sendPostedEvents(QObject*, int) (receiver=receiver@entry=0x0, event_type=event_type@entry=0) at kernel/qcoreapplication.cpp:1472
#29 0x00007fd62d8b6cee in postEventSourceDispatch(GSource*, GSourceFunc, gpointer) () at kernel/qcoreapplication.h:236
#30 0x00007fd62d8b6cee in postEventSourceDispatch(GSource*, GSourceFunc, gpointer) (s=0x55e82183d900) at kernel/qeventdispatcher_glib.cpp:300
#31 0x00007fd623370e3a in g_main_context_dispatch (context=0x55e82183e410) at gmain.c:3154
#32 0x00007fd623370e3a in g_main_context_dispatch (context=context@entry=0x55e82183e410) at gmain.c:3769
#33 0x00007fd6233711d0 in g_main_context_iterate (context=context@entry=0x55e82183e410, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at gmain.c:3840
#34 0x00007fd62337127c in g_main_context_iteration (context=0x55e82183e410, may_block=may_block@entry=1) at gmain.c:3901
#35 0x00007fd62d8b6e5e in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=0x55e8217fedb0, flags=...) at kernel/qeventdispatcher_glib.cpp:450
#36 0x00007fd62e877436 in QGuiEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=<optimized out>, flags=...) at kernel/qguieventdispatcher_glib.cpp:207
#37 0x00007fd62d885131 in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=this@entry=0x7fff95ade8f0, flags=...) at kernel/qeventloop.cpp:149
#38 0x00007fd62d8854a5 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) (this=this@entry=0x7fff95ade8f0, flags=...) at kernel/qeventloop.cpp:204
#39 0x00007fd62d88b039 in QCoreApplication::exec() () at kernel/qcoreapplication.cpp:1227
#40 0x000055e8210ec3a0 in main ()

Reported using DrKonqi