Application: dragon (2.0)
KDE Platform Version: 4.14.30
Qt Version: 4.8.6
Operating System: Linux 4.4.68-desktop-1.mga5 x86_64
Distribution: "Mageia 5"

-- Information about the crash:
After one system update media players like Amarok, VLC and Dragon player started crashing with segmentation fault right after launch. If I go to System settings application to video and audio setting - it crashes with the same error. If I play an audio file with file dispatcher Dolphin - same error.

The crash can be reproduced every time.

-- Backtrace:
Application: Dragon Player (dragon), signal: Segmentation fault
Using host libthread_db library "/lib64/libthread_db.so.1".
[KCrash Handler]
#5  0x00007f26abc0e042 in  () at /usr/lib64/nvidia-current/libGL.so.1
#6  0x00007f26abc0e864 in  () at /usr/lib64/nvidia-current/libGL.so.1
#7  0x00007f26abc1958b in  () at /usr/lib64/nvidia-current/libGL.so.1
#8  0x00007f26abbb00b8 in  () at /usr/lib64/nvidia-current/libGL.so.1
#9  0x00007f26c83ae1fd in call_init.part () at /lib64/ld-linux-x86-64.so.2
#10 0x00007f26c83ae34b in _dl_init_internal () at /lib64/ld-linux-x86-64.so.2
#11 0x00007f26c83b23a1 in dl_open_worker () at /lib64/ld-linux-x86-64.so.2
#12 0x00007f26c83ae0e4 in _dl_catch_error () at /lib64/ld-linux-x86-64.so.2
#13 0x00007f26c83b1b33 in _dl_open () at /lib64/ld-linux-x86-64.so.2
#14 0x00007f26c0023039 in dlopen_doit () at /lib64/libdl.so.2
#15 0x00007f26c83ae0e4 in _dl_catch_error () at /lib64/ld-linux-x86-64.so.2
#16 0x00007f26c002369d in _dlerror_run () at /lib64/libdl.so.2
#17 0x00007f26c00230d1 in dlopen () at /lib64/libdl.so.2
#18 0x00007f26b3ac1f6f in module_Load () at /lib64/libvlccore.so.8
#19 0x00007f26b3aa745d in module_InitDynamic () at /lib64/libvlccore.so.8
#20 0x00007f26b3aa7758 in AllocatePluginDir () at /lib64/libvlccore.so.8
#21 0x00007f26b3aa76a4 in AllocatePluginDir () at /lib64/libvlccore.so.8
#22 0x00007f26b3aa7c04 in AllocatePluginPath () at /lib64/libvlccore.so.8
#23 0x00007f26b3aa81a1 in module_LoadPlugins () at /lib64/libvlccore.so.8
#24 0x00007f26b3a2f7ea in libvlc_InternalInit () at /lib64/libvlccore.so.8
#25 0x00007f26b3800deb in libvlc_new () at /lib64/libvlc.so.5
#26 0x00007f26b3d4a675 in LibVLC::init() () at /usr/lib64/kde4/plugins/phonon_backend/phonon_vlc.so
#27 0x00007f26b3d30448 in Phonon::VLC::Backend::Backend(QObject*, QList<QVariant> const&) () at /usr/lib64/kde4/plugins/phonon_backend/phonon_vlc.so
#28 0x00007f26b3d30fc3 in qt_plugin_instance () at /usr/lib64/kde4/plugins/phonon_backend/phonon_vlc.so
#29 0x00007f26c5b542e3 in QPluginLoader::instance() () at /lib64/libQtCore.so.4
#30 0x00007f26b44dba0b in Phonon::KdePlatformPlugin::createBackend(KSharedPtr<KService>) () at /usr/lib64/kde4/plugins/phonon_platform/kde.so
#31 0x00007f26b44dc183 in Phonon::KdePlatformPlugin::createBackend() () at /usr/lib64/kde4/plugins/phonon_platform/kde.so
#32 0x00007f26c7616f8e in Phonon::FactoryPrivate::createBackend() () at /lib64/libphonon.so.4
#33 0x00007f26c7617678 in Phonon::Factory::backend(bool) () at /lib64/libphonon.so.4
#34 0x00007f26c7617e73 in Phonon::Factory::createVideoWidget(QObject*) () at /lib64/libphonon.so.4
#35 0x00007f26c763fbfd in Phonon::VideoWidgetPrivate::createBackendObject() () at /lib64/libphonon.so.4
#36 0x00007f26c763f0fc in Phonon::VideoWidget::VideoWidget(QWidget*) () at /lib64/libphonon.so.4
#37 0x000000000041d5d5 in Dragon::VideoWindow::VideoWindow(QWidget*) ()
#38 0x000000000042f484 in Dragon::MainWindow::MainWindow() ()
#39 0x000000000042b595 in Dragon::PlayerApplication::newInstance() ()
#40 0x00007f26c7aa351a in KUniqueApplicationAdaptor::newInstance(QByteArray const&, QByteArray const&) () at /lib64/libkdeui.so.5
#41 0x00007f26c7aa35b5 in KUniqueApplicationAdaptor::qt_static_metacall(QObject*, QMetaObject::Call, int, void**) [clone .part.19] () at /lib64/libkdeui.so.5
#42 0x00007f26c7aa37c3 in KUniqueApplicationAdaptor::qt_metacall(QMetaObject::Call, int, void**) () at /lib64/libkdeui.so.5
#43 0x00007f26c5efab06 in QDBusConnectionPrivate::deliverCall(QObject*, int, QDBusMessage const&, QList<int> const&, int) () at /lib64/libQtDBus.so.4
#44 0x00007f26c5efbc49 in QDBusConnectionPrivate::activateCall(QObject*, int, QDBusMessage const&) () at /lib64/libQtDBus.so.4
#45 0x00007f26c5efc698 in QDBusConnectionPrivate::activateObject(QDBusConnectionPrivate::ObjectTreeNode&, QDBusMessage const&, int) () at /lib64/libQtDBus.so.4
#46 0x00007f26c5efc81b in QDBusActivateObjectEvent::placeMetaCall(QObject*) () at /lib64/libQtDBus.so.4
#47 0x00007f26c5b87d61 in QObject::event(QEvent*) () at /lib64/libQtCore.so.4
#48 0x00007f26c67f6713 in QApplication::event(QEvent*) () at /lib64/libQtGui.so.4
#49 0x00007f26c67f179c in QApplicationPrivate::notify_helper(QObject*, QEvent*) () at /lib64/libQtGui.so.4
#50 0x00007f26c67f7e40 in QApplication::notify(QObject*, QEvent*) () at /lib64/libQtGui.so.4
#51 0x00007f26c7a9c40a in KApplication::notify(QObject*, QEvent*) () at /lib64/libkdeui.so.5
#52 0x00007f26c5b6fcad in QCoreApplication::notifyInternal(QObject*, QEvent*) () at /lib64/libQtCore.so.4
#53 0x00007f26c5b72be1 in QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*) () at /lib64/libQtCore.so.4
#54 0x00007f26c5b9ccae in postEventSourceDispatch(_GSource*, int (*)(void*), void*) () at /lib64/libQtCore.so.4
#55 0x00007f26c20e2c6d in g_main_context_dispatch () at /lib64/libglib-2.0.so.0
#56 0x00007f26c20e2f18 in g_main_context_iterate.isra () at /lib64/libglib-2.0.so.0
#57 0x00007f26c20e2fbc in g_main_context_iteration () at /lib64/libglib-2.0.so.0
#58 0x00007f26c5b9ce1e in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQtCore.so.4
#59 0x00007f26c688f4f6 in QGuiEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQtGui.so.4
#60 0x00007f26c5b6e931 in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQtCore.so.4
#61 0x00007f26c5b6ec45 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQtCore.so.4
#62 0x00007f26c5b73e59 in QCoreApplication::exec() () at /lib64/libQtCore.so.4
#63 0x00000000004198e9 in main ()

Reported using DrKonqi