(gdb) thread apply all bt

Thread 2 (Thread 1107991472 (LWP 18807)):
#0  0xffffe410 in __kernel_vsyscall ()
#1  0x41744a76 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/tls/libpthread.so.0
#2  0x41460392 in QWaitCondition::wait () from /usr/lib/libqt-mt.so.3
#3  0x40c38a47 in MythContext::waitPrivRequest (this=0x81be920) at mythcontext.cpp:2711
#4  0x080666dc in run_priv_thread (data=0x0) at main.cpp:679
#5  0x41742297 in start_thread () from /lib/tls/libpthread.so.0
#6  0x4191b37e in clone () from /lib/tls/libc.so.6
#7  0x420a9bb0 in ?? ()

Thread 1 (Thread 1101510688 (LWP 18802)):
#0  0x4145edec in QMutex::lock () from /usr/lib/libqt-mt.so.3
#1  0x4063b7dc in PreviewGenerator::disconnectSafe (this=0x81c2bd8) at qmutex.h:96
#2  0x08087fbf in ~PlaybackBox (this=0xbf8b7c00) at playbackbox.cpp:332
#3  0x08062eac in startPlayback () at main.cpp:194
#4  0x0806cbd5 in TVMenuCallback (data=0x81be920, selection=@0x1fe4) at main.cpp:334
#5  0x40cabd2f in ThemedMenuPrivate::handleAction (this=0x8290358, action=@0x8211be0) at themedmenu.cpp:2508
#6  0x40cac7ff in ThemedMenuPrivate::keyPressHandler (this=0x8290358, e=0xbf8b89a0) at themedmenu.cpp:2336
#7  0x40cac9a9 in ThemedMenu::keyPressEvent (this=0x827ec80, e=0xbf8b89a0) at themedmenu.cpp:2714
#8  0x411f73f9 in QWidget::event () from /usr/lib/libqt-mt.so.3
#9  0x4115dd41 in QApplication::internalNotify () from /usr/lib/libqt-mt.so.3
#10 0x4115ebbf in QApplication::notify () from /usr/lib/libqt-mt.so.3
#11 0x410f20dc in QETWidget::translateKeyEvent () from /usr/lib/libqt-mt.so.3
#12 0x410f7a05 in QApplication::x11ProcessEvent () from /usr/lib/libqt-mt.so.3
#13 0x4110bbea in QEventLoop::processEvents () from /usr/lib/libqt-mt.so.3
#14 0x41174c53 in QEventLoop::enterLoop () from /usr/lib/libqt-mt.so.3
#15 0x4115d6bf in QApplication::enter_loop () from /usr/lib/libqt-mt.so.3
#16 0x40d157fd in MythDialog::exec (this=0x827ec80) at mythdialogs.cpp:1047
#17 0x0806497d in RunMenu (themedir=@0xbf8b90e8) at main.cpp:498
#18 0x0806ad7a in main (argc=5, argv=0xbf8b9194) at main.cpp:1062