Program received signal SIGSEGV, Segmentation fault.
0x00007ffff43022dc in QMutex::lock() () from /usr/lib/libQtCore.so.4
(gdb) bt
#0  0x00007ffff43022dc in QMutex::lock() () from /usr/lib/libQtCore.so.4
#1  0x0000000000474988 in QMutexLocker::relock (this=0x7fffffff9620) at /usr/include/QtCore/qmutex.h:120
#2  0x00000000004748de in QMutexLocker (this=0x7fffffff9620, m=0x7fffe152d988) at /usr/include/QtCore/qmutex.h:102
#3  0x00007ffff5f125ae in OutputListeners::prepareVisuals (this=0x7fffe1c54bb0) at output.cpp:81
#4  0x00007ffff5e88c2d in AudioOutputBase::Reset (this=0x7fffe1c54b90) at audiooutputbase.cpp:590
#5  0x00007ffff5e88b0c in AudioOutputBase::PauseUntilBuffered (this=0x7fffe1c54b90) at audiooutputbase.cpp:572
#6  0x00007fffd6b2ea50 in avfDecoder::initialize (this=0x7fffe13dd920) at avfdecoder.cpp:106
#7  0x00007fffd6b7a4a3 in MusicPlayer::play (this=0x1063b70) at musicplayer.cpp:304
#8  0x00007fffd6b79b5d in MusicPlayer::playFile (this=0x1063b70, filename=...) at musicplayer.cpp:198
#9  0x00007fffd6ac1e99 in PlaybackBoxMusic::play (this=0x7fffe0ea9a00) at playbackbox.cpp:1338
#10 0x00007fffd6abdefe in PlaybackBoxMusic::handlePush (this=0x7fffe0ea9a00, buttonname=...) at playbackbox.cpp:586
#11 0x00007fffd6b92dcc in PlaybackBoxMusic::qt_metacall (this=0x7fffe0ea9a00, _c=QMetaObject::InvokeMetaMethod, _id=38, 
    _a=0x7fffffff9ee0) at moc_playbackbox.cpp:188
#12 0x00007ffff440e4df in QMetaObject::activate(QObject*, QMetaObject const*, int, void**) () from /usr/lib/libQtCore.so.4
#13 0x00007ffff6098385 in UIPushButtonType::pushed (this=0x7fffe15e0f90, _t1=...) at moc_uitypes.cpp:715
#14 0x00007ffff5f41fba in UIPushButtonType::push (this=0x7fffe15e0f90) at uitypes.cpp:3541
#15 0x00007fffd6ac7623 in PlaybackBoxMusic::handleTreeListSignals (this=0x7fffe0ea9a00, node_int=4924, 
    attributes=0x7fffe1bbe180) at playbackbox.cpp:2174
#16 0x00007fffd6b92c19 in PlaybackBoxMusic::qt_metacall (this=0x7fffe0ea9a00, _c=QMetaObject::InvokeMetaMethod, _id=20, 
    _a=0x7fffffffa190) at moc_playbackbox.cpp:170
#17 0x00007ffff440e4df in QMetaObject::activate(QObject*, QMetaObject const*, int, void**) () from /usr/lib/libQtCore.so.4
#18 0x00007ffff609809e in UIManagedTreeListType::nodeSelected (this=0x7fffe153df70, _t1=4924, _t2=0x7fffe1bbe180)
    at moc_uitypes.cpp:625
#19 0x00007ffff5f3e6a8 in UIManagedTreeListType::moveToNodesFirstChild (this=0x7fffe153df70, route_of_branches=...)
    at uitypes.cpp:2527
#20 0x00007fffd6ac50b7 in PlaybackBoxMusic::editPlaylist (this=0x7fffe0ea9a00) at playbackbox.cpp:1910
#21 0x00007fffd6b92bb8 in PlaybackBoxMusic::qt_metacall (this=0x7fffe0ea9a00, _c=QMetaObject::InvokeMetaMethod, _id=16, 
    _a=0x7fffffffa550) at moc_playbackbox.cpp:166
#22 0x00007ffff440e4df in QMetaObject::activate(QObject*, QMetaObject const*, int, void**) () from /usr/lib/libQtCore.so.4
#23 0x00007ffff6098511 in UITextButtonType::pushed (this=0x7fffe1520cd0) at moc_uitypes.cpp:789
#24 0x00007ffff5f42b03 in UITextButtonType::push (this=0x7fffe1520cd0) at uitypes.cpp:3668
#25 0x00007fffd6abcb4b in PlaybackBoxMusic::keyPressEvent (this=0x7fffe0ea9a00, e=0x7fffffffaee0) at playbackbox.cpp:348
#26 0x00007ffff4c3365e in QWidget::event(QEvent*) () from /usr/lib/libQtGui.so.4
#27 0x00007ffff4fd7f86 in QFrame::event(QEvent*) () from /usr/lib/libQtGui.so.4
---Type <return> to continue, or q <return> to quit---
#28 0x00007ffff4bdd5ec in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /usr/lib/libQtGui.so.4
#29 0x00007ffff4be5395 in QApplication::notify(QObject*, QEvent*) () from /usr/lib/libQtGui.so.4
#30 0x00007ffff43fb79c in QCoreApplication::notifyInternal(QObject*, QEvent*) () from /usr/lib/libQtCore.so.4
#31 0x00007ffff69af27d in QCoreApplication::sendEvent (receiver=0x7fffe0ea9a00, event=0x7fffffffaee0)
    at /usr/include/QtCore/qcoreapplication.h:215
#32 0x00007ffff658ff6b in MythMainWindow::customEvent (this=0x958c00, ce=0xc0f980) at mythmainwindow.cpp:1850
#33 0x00007ffff440b474 in QObject::event(QEvent*) () from /usr/lib/libQtCore.so.4
#34 0x00007ffff4c3300f in QWidget::event(QEvent*) () from /usr/lib/libQtGui.so.4
#35 0x00007ffff6582b41 in MythMainWindow::event (this=0x958c00, e=0xc0f980) at mythmainwindow.cpp:760
#36 0x00007ffff4bdd5ec in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /usr/lib/libQtGui.so.4
#37 0x00007ffff4be3bdb in QApplication::notify(QObject*, QEvent*) () from /usr/lib/libQtGui.so.4
#38 0x00007ffff43fb79c in QCoreApplication::notifyInternal(QObject*, QEvent*) () from /usr/lib/libQtCore.so.4
#39 0x00007ffff43fdf17 in QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*) ()
   from /usr/lib/libQtCore.so.4
#40 0x00007ffff44250d3 in ?? () from /usr/lib/libQtCore.so.4
#41 0x00007fffed950da2 in g_main_context_dispatch () from /usr/lib/libglib-2.0.so.0
#42 0x00007fffed954c18 in g_main_context_iterate () from /usr/lib/libglib-2.0.so.0
#43 0x00007fffed954dcc in g_main_context_iteration () from /usr/lib/libglib-2.0.so.0
#44 0x00007ffff4424c13 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
   from /usr/lib/libQtCore.so.4
#45 0x00007ffff4c8bd6e in ?? () from /usr/lib/libQtGui.so.4
#46 0x00007ffff43fa0c2 in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQtCore.so.4
#47 0x00007ffff43fa49c in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQtCore.so.4
#48 0x00007ffff5ed72ab in MythDialog::exec (this=0x7fffe0ea9a00) at mythdialogs.cpp:181
#49 0x00007fffd6a969f1 in startPlayback () at main.cpp:254
#50 0x00007fffd6a96ffc in MusicCallback (data=0x0, selection=...) at main.cpp:339
#51 0x00007ffff65ffa77 in MythThemedMenu::handleAction (this=0x7fffe09653a0, action=..., password=...)
    at myththemedmenu.cpp:847
#52 0x00007ffff65fda45 in MythThemedMenu::buttonAction (this=0x7fffe09653a0, item=0x7fffe1590510, skipPass=false)
    at myththemedmenu.cpp:709
#53 0x00007ffff65f7b3a in MythThemedMenu::keyPressEvent (this=0x7fffe09653a0, event=0x7fffffffcb30) at myththemedmenu.cpp:214
#54 0x00007ffff658eb1d in MythMainWindow::eventFilter (this=0x958c00, e=0x7fffffffcb30) at mythmainwindow.cpp:1638
#55 0x00007ffff43fabb7 in QCoreApplicationPrivate::sendThroughObjectEventFilters(QObject*, QEvent*) ()
   from /usr/lib/libQtCore.so.4
---Type <return> to continue, or q <return> to quit---
#56 0x00007ffff4bdd5bc in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /usr/lib/libQtGui.so.4
#57 0x00007ffff4be5395 in QApplication::notify(QObject*, QEvent*) () from /usr/lib/libQtGui.so.4
#58 0x00007ffff43fb79c in QCoreApplication::notifyInternal(QObject*, QEvent*) () from /usr/lib/libQtCore.so.4
#59 0x00007ffff69af27d in QCoreApplication::sendEvent (receiver=0x958c00, event=0x7fffffffcb30)
    at /usr/include/QtCore/qcoreapplication.h:215
#60 0x00007ffff658ff51 in MythMainWindow::customEvent (this=0x958c00, ce=0x127a070) at mythmainwindow.cpp:1848
#61 0x00007ffff440b474 in QObject::event(QEvent*) () from /usr/lib/libQtCore.so.4
#62 0x00007ffff4c3300f in QWidget::event(QEvent*) () from /usr/lib/libQtGui.so.4
#63 0x00007ffff6582b41 in MythMainWindow::event (this=0x958c00, e=0x127a070) at mythmainwindow.cpp:760
#64 0x00007ffff4bdd5ec in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /usr/lib/libQtGui.so.4
#65 0x00007ffff4be3bdb in QApplication::notify(QObject*, QEvent*) () from /usr/lib/libQtGui.so.4
#66 0x00007ffff43fb79c in QCoreApplication::notifyInternal(QObject*, QEvent*) () from /usr/lib/libQtCore.so.4
#67 0x00007ffff43fdf17 in QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*) ()
   from /usr/lib/libQtCore.so.4
#68 0x00007ffff44250d3 in ?? () from /usr/lib/libQtCore.so.4
#69 0x00007fffed950da2 in g_main_context_dispatch () from /usr/lib/libglib-2.0.so.0
#70 0x00007fffed954c18 in g_main_context_iterate () from /usr/lib/libglib-2.0.so.0
#71 0x00007fffed954dcc in g_main_context_iteration () from /usr/lib/libglib-2.0.so.0
#72 0x00007ffff4424c13 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
   from /usr/lib/libQtCore.so.4
#73 0x00007ffff4c8bd6e in ?? () from /usr/lib/libQtGui.so.4
#74 0x00007ffff43fa0c2 in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQtCore.so.4
#75 0x00007ffff43fa49c in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQtCore.so.4
#76 0x00007ffff43fe1db in QCoreApplication::exec() () from /usr/lib/libQtCore.so.4
#77 0x0000000000442203 in main (argc=1, argv=0x7fffffffea28) at main.cpp:1475
