Application: dragon (18.04.2)

Qt Version: 5.11.0
Frameworks Version: 5.47.0
Operating System: Linux 4.15.0-24-generic x86_64
Distribution: KDE neon User Edition 5.13

-- Information about the crash:
- What I was doing when the application crashed:

En Dolphin hice clic derecho sobre un archivo de video y elegí abrir con Dragon Player.

In Dolphin I clicked right on a video file and chose to open with Dragon Player.

- Custom settings of the application:

1. Quité la barra de menú.
2. Cerré el programa.
3. En Dolphin hice clic derecho sobre el archivo de video y elegí abrir con Dragon Player.

1. I removed the menu bar.
2. I closed the program.
3. In Dolphin I right click on the video file and chose to open with Dragon Player.

-- Backtrace:
Application: Dragon Player (dragon), signal: Segmentation fault
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f3f8d48a900 (LWP 19519))]

Thread 2 (Thread 0x7f3f71d43700 (LWP 19521)):
#0  0x00007f3f8879f27d in read () at ../sysdeps/unix/syscall-template.S:84
#1  0x00007f3f838356f0 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f3f837f1e74 in g_main_context_check () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f3f837f2330 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f3f837f249c in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f3f893c3beb in QEventDispatcherGlib::processEvents (this=0x7f3f6c0008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:425
#6  0x00007f3f8936b1ca in QEventLoop::exec (this=this@entry=0x7f3f71d42c80, flags=..., flags@entry=...) at kernel/qeventloop.cpp:214
#7  0x00007f3f891a05e4 in QThread::exec (this=this@entry=0x7f3f89a83d60 <(anonymous namespace)::Q_QGS__q_manager::innerFunction()::holder>) at thread/qthread.cpp:522
#8  0x00007f3f8980af35 in QDBusConnectionManager::run (this=0x7f3f89a83d60 <(anonymous namespace)::Q_QGS__q_manager::innerFunction()::holder>) at qdbusconnection.cpp:178
#9  0x00007f3f891ab727 in QThreadPrivate::start (arg=0x7f3f89a83d60 <(anonymous namespace)::Q_QGS__q_manager::innerFunction()::holder>) at thread/qthread_unix.cpp:367
#10 0x00007f3f85cc96ba in start_thread (arg=0x7f3f71d43700) at pthread_create.c:333
#11 0x00007f3f887af41d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 1 (Thread 0x7f3f8d48a900 (LWP 19519)):
[KCrash Handler]
#6  QExplicitlySharedDataPointer<Phonon::MediaSourcePrivate>::QExplicitlySharedDataPointer (o=..., this=0x7ffdf4af1a20) at /usr/include/x86_64-linux-gnu/qt5/QtCore/qshareddata.h:168
#7  Phonon::MediaSource::MediaSource (this=0x7ffdf4af1a20, rhs=...) at /workspace/build/phonon/mediasource.cpp:216
#8  0x00007f3f8ab0b5d1 in Phonon::MediaObject::currentSource (this=<optimized out>) at /workspace/build/phonon/mediaobject.cpp:253
#9  0x0000000000421381 in Dragon::VideoWindow::eject (this=0x22fca80) at /workspace/build/src/app/videoWindow.cpp:804
#10 0x0000000000421a58 in Dragon::VideoWindow::load (this=0x22fca80, url=...) at /workspace/build/src/app/videoWindow.cpp:180
#11 0x0000000000430365 in Dragon::MainWindow::load (this=0x22914d0, url=...) at /workspace/build/src/app/mainWindow.cpp:581
#12 0x0000000000435eb4 in Dragon::MainWindow::open (this=0x22914d0, url=...) at /workspace/build/src/app/mainWindow.cpp:524
#13 0x000000000042d555 in Dragon::PlayerApplication::newInstance (this=0x7ffdf4af2970, playDisc=<optimized out>, uris=...) at /workspace/build/src/app/playerApplication.cpp:81
#14 0x000000000042ddeb in Dragon::PlayerApplication::slotActivateRequested (this=0x7ffdf4af2970, arguments=..., workingDirectory=...) at /workspace/build/src/app/playerApplication.cpp:54
#15 0x00007f3f89399eb6 in QtPrivate::QSlotObjectBase::call (a=0x7ffdf4af1ee0, r=0x7ffdf4af2970, this=<optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qobjectdefs_impl.h:376
#16 QMetaObject::activate (sender=sender@entry=0x7ffdf4af2990, signalOffset=<optimized out>, local_signal_index=local_signal_index@entry=0, argv=argv@entry=0x7ffdf4af1ee0) at kernel/qobject.cpp:3754
#17 0x00007f3f8939a497 in QMetaObject::activate (sender=sender@entry=0x7ffdf4af2990, m=m@entry=0x7f3f8c0b0d00 <KDBusService::staticMetaObject>, local_signal_index=local_signal_index@entry=0, argv=argv@entry=0x7ffdf4af1ee0) at kernel/qobject.cpp:3633
#18 0x00007f3f8beaaee7 in KDBusService::activateRequested (this=this@entry=0x7ffdf4af2990, _t1=..., _t2=...) at /workspace/build/obj-x86_64-linux-gnu/src/moc_kdbusservice.cpp:196
#19 0x00007f3f8bea52b4 in KDBusService::CommandLine (this=0x7ffdf4af2990, arguments=..., workingDirectory=..., platform_data=...) at /workspace/build/src/kdbusservice.cpp:239
#20 0x00007f3f8beaad4d in KDBusServiceExtensionsAdaptor::CommandLine (platform_data=..., working_dir=..., arguments=..., this=this@entry=0x229d520) at /workspace/build/obj-x86_64-linux-gnu/src/kdbusserviceextensions_adaptor.cpp:39
#21 KDBusServiceExtensionsAdaptor::qt_static_metacall (_o=_o@entry=0x229d520, _a=_a@entry=0x7ffdf4af2070, _id=0, _c=QMetaObject::InvokeMetaMethod) at /workspace/build/obj-x86_64-linux-gnu/src/kdbusserviceextensions_adaptor.moc:93
#22 0x00007f3f8beaae67 in KDBusServiceExtensionsAdaptor::qt_static_metacall (_a=0x7ffdf4af2070, _id=0, _c=QMetaObject::InvokeMetaMethod, _o=0x229d520) at /workspace/build/obj-x86_64-linux-gnu/src/kdbusserviceextensions_adaptor.moc:130
#23 KDBusServiceExtensionsAdaptor::qt_metacall (this=0x229d520, _c=QMetaObject::InvokeMetaMethod, _id=0, _a=0x7ffdf4af2070) at /workspace/build/obj-x86_64-linux-gnu/src/kdbusserviceextensions_adaptor.moc:126
#24 0x00007f3f89816434 in QDBusConnectionPrivate::deliverCall (this=this@entry=0x7f3f6c0030f0, object=object@entry=0x229d520, msg=..., metaTypes=..., slotIdx=<optimized out>) at qdbusintegrator.cpp:991
#25 0x00007f3f8981ad9a in QDBusConnectionPrivate::activateCall (this=this@entry=0x7f3f6c0030f0, object=0x229d520, flags=flags@entry=273, msg=...) at qdbusintegrator.cpp:894
#26 0x00007f3f8981b6ab in QDBusConnectionPrivate::activateObject (this=0x7f3f6c0030f0, node=..., msg=..., pathStartPos=<optimized out>) at qdbusintegrator.cpp:1477
#27 0x00007f3f8981debe in QDBusActivateObjectEvent::placeMetaCall (this=0x7f3f6c01af00) at qdbusintegrator.cpp:1597
#28 0x00007f3f8939abc9 in QObject::event (this=0x7ffdf4af2990, e=<optimized out>) at kernel/qobject.cpp:1251
#29 0x00007f3f8a3c629c in QApplicationPrivate::notify_helper (this=<optimized out>, receiver=0x7ffdf4af2990, e=0x7f3f6c01af00) at kernel/qapplication.cpp:3713
#30 0x00007f3f8a3cd917 in QApplication::notify (this=0x7ffdf4af2970, receiver=0x7ffdf4af2990, e=0x7f3f6c01af00) at kernel/qapplication.cpp:3472
#31 0x00007f3f8936ce38 in QCoreApplication::notifyInternal2 (receiver=0x7ffdf4af2990, event=event@entry=0x7f3f6c01af00) at kernel/qcoreapplication.cpp:1048
#32 0x00007f3f8936fa3e in QCoreApplication::sendEvent (event=0x7f3f6c01af00, receiver=<optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:234
#33 QCoreApplicationPrivate::sendPostedEvents (receiver=receiver@entry=0x0, event_type=event_type@entry=0, data=0x2224e40) at kernel/qcoreapplication.cpp:1745
#34 0x00007f3f8936feb8 in QCoreApplication::sendPostedEvents (receiver=receiver@entry=0x0, event_type=event_type@entry=0) at kernel/qcoreapplication.cpp:1599
#35 0x00007f3f893c45c3 in postEventSourceDispatch (s=0x2274d00) at kernel/qeventdispatcher_glib.cpp:276
#36 0x00007f3f837f2197 in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#37 0x00007f3f837f23f0 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#38 0x00007f3f837f249c in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#39 0x00007f3f893c3bcf in QEventDispatcherGlib::processEvents (this=this@entry=0x22725e0, flags=...) at kernel/qeventdispatcher_glib.cpp:423
#40 0x00007f3f7bf5cc11 in QPAEventDispatcherGlib::processEvents (this=0x22725e0, flags=...) at qeventdispatcher_glib.cpp:69
#41 0x00007f3f8936b1ca in QEventLoop::exec (this=this@entry=0x7ffdf4af2820, flags=..., flags@entry=...) at kernel/qeventloop.cpp:214
#42 0x00007f3f893742d4 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1336
#43 0x00007f3f89bb781c in QGuiApplication::exec () at kernel/qguiapplication.cpp:1751
#44 0x00007f3f8a3c61f5 in QApplication::exec () at kernel/qapplication.cpp:2898
#45 0x000000000041aa48 in main (argc=2, argv=<optimized out>) at /workspace/build/src/app/main.cpp:90

Reported using DrKonqi