Application that crashed: dragon
Version of the application: 2.0
KDE Version: 4.3.2 (KDE 4.3.2)
Qt Version: 4.5.2
Operating System: Linux 2.6.31-19-generic x86_64
Distribution: Ubuntu 9.10

What I was doing when the application crashed:
The dragon player crashed when I started to watch a DVD.  It wouldn't play the movie.  I tried a few times.  Then I set it to fullscreen and it immediately crashed.

 -- Backtrace:
Application: Dragon Player (dragon), signal: Segmentation fault
[Current thread is 1 (Thread 0x7feed336c750 (LWP 1882))]

Thread 9 (Thread 0x7feec2720910 (LWP 1883)):
#0  0x00007feecd0b782d in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib/libpthread.so.0
#1  0x00007feed1f6dc91 in metronom_sync_loop (this=0xf1e780) at metronom.c:870
#2  0x00007feecd0b2a04 in start_thread () from /lib/libpthread.so.0
#3  0x00007feed02d080d in clone () from /lib/libc.so.6
#4  0x0000000000000000 in ?? ()

Thread 8 (Thread 0x7feec12e3910 (LWP 1884)):
#0  0x00007feed02c9412 in select () from /lib/libc.so.6
#1  0x00007feed1f96725 in xine_usec_sleep (usec=<value optimized out>) at utils.c:481
#2  0x00007feed1f7b7e9 in video_out_loop (this_gen=<value optimized out>) at video_out.c:1246
#3  0x00007feecd0b2a04 in start_thread () from /lib/libpthread.so.0
#4  0x00007feed02d080d in clone () from /lib/libc.so.6
#5  0x0000000000000000 in ?? ()

Thread 7 (Thread 0x7feebf762910 (LWP 1885)):
[KCrash Handler]
#5  play_PG (vm=0x7feeb8248860, title=<value optimized out>, part=<value optimized out>) at vm.c:1032
#6  vm_jump_title_part (vm=0x7feeb8248860, title=<value optimized out>, part=<value optimized out>) at vm.c:496
#7  0x00007feec6cc55db in dvdnav_part_play (this=0x7feeb8249ed0, title=2, part=1) at navigation.c:176
#8  0x00007feec6cc0507 in dvd_plugin_open (this_gen=<value optimized out>) at input_dvd.c:1578
#9  0x00007feed1f6b5d6 in open_internal (stream=<value optimized out>, mrl=0x143d268 "dvd:/dev/sr0/2") at xine.c:880
#10 xine_open (stream=<value optimized out>, mrl=0x143d268 "dvd:/dev/sr0/2") at xine.c:1298
#11 0x00007feec7faf30b in ?? () from /usr/lib/qt4/plugins/phonon_backend/phonon_xine.so
#12 0x00007feed0a10efc in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /usr/lib/libQtGui.so.4
#13 0x00007feed0a181ce in QApplication::notify(QObject*, QEvent*) () from /usr/lib/libQtGui.so.4
#14 0x00007feed28b8ab6 in KApplication::notify(QObject*, QEvent*) () from /usr/lib/libkdeui.so.5
#15 0x00007feed1568c2c in QCoreApplication::notifyInternal(QObject*, QEvent*) () from /usr/lib/libQtCore.so.4
#16 0x00007feed156980a in QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*) () from /usr/lib/libQtCore.so.4
#17 0x00007feed1591533 in ?? () from /usr/lib/libQtCore.so.4
#18 0x00007feecc7e9bce in g_main_context_dispatch () from /lib/libglib-2.0.so.0
#19 0x00007feecc7ed598 in ?? () from /lib/libglib-2.0.so.0
#20 0x00007feecc7ed6c0 in g_main_context_iteration () from /lib/libglib-2.0.so.0
#21 0x00007feed15911a6 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQtCore.so.4
#22 0x00007feed1567532 in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQtCore.so.4
#23 0x00007feed1567904 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQtCore.so.4
#24 0x00007feed147f6cb in QThread::exec() () from /usr/lib/libQtCore.so.4
#25 0x00007feec7fa256e in ?? () from /usr/lib/qt4/plugins/phonon_backend/phonon_xine.so
#26 0x00007feed1482445 in ?? () from /usr/lib/libQtCore.so.4
#27 0x00007feecd0b2a04 in start_thread () from /lib/libpthread.so.0
#28 0x00007feed02d080d in clone () from /lib/libc.so.6
#29 0x0000000000000000 in ?? ()

Thread 6 (Thread 0x7feebed57910 (LWP 1888)):
#0  0x00007feed02c43c3 in poll () from /lib/libc.so.6
#1  0x00007feebed5dcbe in my_snd_mixer_wait (data=<value optimized out>) at audio_alsa_out.c:150
#2  ao_alsa_handle_event_thread (data=<value optimized out>) at audio_alsa_out.c:166
#3  0x00007feecd0b2a04 in start_thread () from /lib/libpthread.so.0
#4  0x00007feed02d080d in clone () from /lib/libc.so.6
#5  0x0000000000000000 in ?? ()

Thread 5 (Thread 0x7feebe556910 (LWP 1889)):
#0  0x00007feecd0b75a9 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/libpthread.so.0
#1  0x00007feed1f7e983 in fifo_peek_int (this_gen=<value optimized out>) at audio_out.c:348
#2  fifo_peek (this_gen=<value optimized out>) at audio_out.c:388
#3  ao_loop (this_gen=<value optimized out>) at audio_out.c:1015
#4  0x00007feecd0b2a04 in start_thread () from /lib/libpthread.so.0
#5  0x00007feed02d080d in clone () from /lib/libc.so.6
#6  0x0000000000000000 in ?? ()

Thread 4 (Thread 0x7feebd91d910 (LWP 1890)):
#0  0x00007feecd0b75a9 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/libpthread.so.0
#1  0x00007feed1f7154b in fifo_buffer_get (fifo=0x7feeb8173a90) at buffer.c:230
#2  0x00007feed1f7751d in video_decoder_loop (stream_gen=<value optimized out>) at video_decoder.c:130
#3  0x00007feecd0b2a04 in start_thread () from /lib/libpthread.so.0
#4  0x00007feed02d080d in clone () from /lib/libc.so.6
#5  0x0000000000000000 in ?? ()

Thread 3 (Thread 0x7feebcf4f910 (LWP 1891)):
#0  0x00007feecd0b75a9 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/libpthread.so.0
#1  0x00007feed1f7154b in fifo_buffer_get (fifo=0x7feeb81ad980) at buffer.c:230
#2  0x00007feed1f78555 in audio_decoder_loop (stream_gen=<value optimized out>) at audio_decoder.c:66
#3  0x00007feecd0b2a04 in start_thread () from /lib/libpthread.so.0
#4  0x00007feed02d080d in clone () from /lib/libc.so.6
#5  0x0000000000000000 in ?? ()

Thread 2 (Thread 0x7feeb7fff910 (LWP 1892)):
#0  0x00007feecd0b75a9 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/libpthread.so.0
#1  0x00007feed1f81a0b in xine_event_wait (queue=0x7feeb81cf820) at events.c:56
#2  0x00007feed1f81a7e in listener_loop (queue_gen=<value optimized out>) at events.c:214
#3  0x00007feecd0b2a04 in start_thread () from /lib/libpthread.so.0
#4  0x00007feed02d080d in clone () from /lib/libc.so.6
#5  0x0000000000000000 in ?? ()

Thread 1 (Thread 0x7feed336c750 (LWP 1882)):
#0  0x00007feecd0b75a9 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/libpthread.so.0
#1  0x00007feed1481c93 in ?? () from /usr/lib/libQtCore.so.4
#2  0x00007feed147d865 in QMutex::lock() () from /usr/lib/libQtCore.so.4
#3  0x00007feec7fa7137 in ?? () from /usr/lib/qt4/plugins/phonon_backend/phonon_xine.so
#4  0x00007feec7fbaed6 in ?? () from /usr/lib/qt4/plugins/phonon_backend/phonon_xine.so
#5  0x00007feed24660b4 in Phonon::MediaNodePrivate::deleteBackendObject() () from /usr/lib/libphonon.so.4
#6  0x00007feed2474cc5 in ?? () from /usr/lib/libphonon.so.4
#7  0x00007feed0229c12 in exit () from /lib/libc.so.6
#8  0x00007feed0a6c328 in ?? () from /usr/lib/libQtGui.so.4
#9  0x00007feed28b8498 in KApplication::xioErrhandler(_XDisplay*) () from /usr/lib/libkdeui.so.5
#10 0x00007feecf512fae in _XIOError () from /usr/lib/libX11.so.6
#11 0x00007feecf51a9a5 in ?? () from /usr/lib/libX11.so.6
#12 0x00007feecf51b257 in _XEventsQueued () from /usr/lib/libX11.so.6
#13 0x00007feecf50401b in XEventsQueued () from /usr/lib/libX11.so.6
#14 0x00007feed0aa567c in ?? () from /usr/lib/libQtGui.so.4
#15 0x00007feecc7ecaaa in g_main_context_check () from /lib/libglib-2.0.so.0
#16 0x00007feecc7ed290 in ?? () from /lib/libglib-2.0.so.0
#17 0x00007feecc7ed6c0 in g_main_context_iteration () from /lib/libglib-2.0.so.0
#18 0x00007feed15911a6 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQtCore.so.4
#19 0x00007feed0aa54be in ?? () from /usr/lib/libQtGui.so.4
#20 0x00007feed1567532 in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQtCore.so.4
#21 0x00007feed1567904 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQtCore.so.4
#22 0x00007feed1569ab9 in QCoreApplication::exec() () from /usr/lib/libQtCore.so.4
#23 0x0000000000429c93 in _start ()

Reported using DrKonqi