Application: dragon (2.0)
KDE Platform Version: 4.8.5 (4.8.5)
Qt Version: 4.8.1
Operating System: Linux 3.2.0-37-generic-pae i686
Distribution: Ubuntu 12.04.1 LTS

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

I can't start the DVd. The monitor shows shortly the title of the DVD, then it turns off.

The crash can be reproduced every time.

-- Backtrace:
Application: Dragon Player (dragon), signal: Segmentation fault
Using host libthread_db library "/lib/i386-linux-gnu/libthread_db.so.1".
[Current thread is 1 (Thread 0xb4a63740 (LWP 4861))]

Thread 8 (Thread 0xb2604b40 (LWP 4864)):
#0  0xb5447dc8 in pthread_mutex_lock () from /lib/i386-linux-gnu/libpthread.so.0
#1  0xb5bc5864 in pthread_mutex_lock () from /lib/i386-linux-gnu/libc.so.6
#2  0xb53b33d0 in g_mutex_lock (mutex=0x91b9000) at /build/buildd/glib2.0-2.32.3/./glib/gthread-posix.c:208
#3  0xb53736b6 in g_main_context_prepare (context=0x91b9000, priority=0xb2604228) at /build/buildd/glib2.0-2.32.3/./glib/gmain.c:2776
#4  0xb5373faf in g_main_context_iterate (dispatch=1, block=1, context=0x91b9000, self=<optimized out>) at /build/buildd/glib2.0-2.32.3/./glib/gmain.c:3126
#5  g_main_context_iterate (context=0x91b9000, block=1, dispatch=1, self=<optimized out>) at /build/buildd/glib2.0-2.32.3/./glib/gmain.c:3083
#6  0xb537456b in g_main_loop_run (loop=0xb1d00c68) at /build/buildd/glib2.0-2.32.3/./glib/gmain.c:3340
#7  0xb2609134 in ?? () from /usr/lib/i386-linux-gnu/gio/modules/libdconfsettings.so
#8  0xb53976b3 in g_thread_proxy (data=0x91b57b0) at /build/buildd/glib2.0-2.32.3/./glib/gthread.c:801
#9  0xb5445d4c in start_thread () from /lib/i386-linux-gnu/libpthread.so.0
#10 0xb5bb7d3e in clone () from /lib/i386-linux-gnu/libc.so.6

Thread 7 (Thread 0xb1cd6b40 (LWP 4865)):
#0  0xb5447cba in pthread_mutex_lock () from /lib/i386-linux-gnu/libpthread.so.0
#1  0xb5bc5864 in pthread_mutex_lock () from /lib/i386-linux-gnu/libc.so.6
#2  0xb53b33d0 in g_mutex_lock (mutex=0xb1d0ad40) at /build/buildd/glib2.0-2.32.3/./glib/gthread-posix.c:208
#3  0xb53731c9 in g_main_context_acquire (context=0xb1d0ad40) at /build/buildd/glib2.0-2.32.3/./glib/gmain.c:2624
#4  0xb5373f58 in g_main_context_iterate (context=0xb1d0ad40, block=1, dispatch=1, self=<optimized out>) at /build/buildd/glib2.0-2.32.3/./glib/gmain.c:3096
#5  0xb537456b in g_main_loop_run (loop=0xb1d0ad18) at /build/buildd/glib2.0-2.32.3/./glib/gmain.c:3340
#6  0xb30c61ba in gdbus_shared_thread_func (user_data=0xb1d0ad28) at /build/buildd/glib2.0-2.32.3/./gio/gdbusprivate.c:277
#7  0xb53976b3 in g_thread_proxy (data=0xb1d05490) at /build/buildd/glib2.0-2.32.3/./glib/gthread.c:801
#8  0xb5445d4c in start_thread () from /lib/i386-linux-gnu/libpthread.so.0
#9  0xb5bb7d3e in clone () from /lib/i386-linux-gnu/libc.so.6

Thread 6 (Thread 0xa9f62b40 (LWP 4897)):
#0  0xb5444483 in __i686.get_pc_thunk.bx () from /lib/i386-linux-gnu/libpthread.so.0
#1  0xb5448c39 in __pthread_mutex_unlock_usercnt () from /lib/i386-linux-gnu/libpthread.so.0
#2  0xb5bc58a4 in pthread_mutex_unlock () from /lib/i386-linux-gnu/libc.so.6
#3  0xb53b3410 in g_mutex_unlock (mutex=0xaa0004b8) at /build/buildd/glib2.0-2.32.3/./glib/gthread-posix.c:227
#4  0xb5373c78 in g_main_context_dispatch (context=0xaa0004b8) at /build/buildd/glib2.0-2.32.3/./glib/gmain.c:3078
#5  0xb5374125 in g_main_context_iterate (dispatch=1, block=-1254614448, context=0xaa0004b8, self=<optimized out>) at /build/buildd/glib2.0-2.32.3/./glib/gmain.c:3146
#6  g_main_context_iterate (context=0xaa0004b8, block=-1254614448, dispatch=1, self=<optimized out>) at /build/buildd/glib2.0-2.32.3/./glib/gmain.c:3083
#7  0xb5374201 in g_main_context_iteration (context=0xaa0004b8, may_block=1) at /build/buildd/glib2.0-2.32.3/./glib/gmain.c:3207
#8  0xb5f518e7 in QEventDispatcherGlib::processEvents (this=0xaa000ac8, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#9  0xb5f1d50d in QEventLoop::processEvents (this=0xa9f62240, flags=...) at kernel/qeventloop.cpp:149
#10 0xb5f1d7a9 in QEventLoop::exec (this=0xa9f62240, flags=...) at kernel/qeventloop.cpp:204
#11 0xb5e0694c in QThread::exec (this=0x99ab250) at thread/qthread.cpp:501
#12 0xb5efab5d in QInotifyFileSystemWatcherEngine::run (this=0x99ab250) at io/qfilesystemwatcher_inotify.cpp:248
#13 0xb5e09de0 in QThreadPrivate::start (arg=0x99ab250) at thread/qthread_unix.cpp:298
#14 0xb5445d4c in start_thread () from /lib/i386-linux-gnu/libpthread.so.0
#15 0xb5bb7d3e in clone () from /lib/i386-linux-gnu/libc.so.6

Thread 5 (Thread 0x9fedbb40 (LWP 4914)):
[KCrash Handler]
#7  gst_xvimagesink_update_colorbalance (xvimagesink=0x94a8c00) at xvimagesink.c:1160
#8  gst_xvimagesink_update_colorbalance (xvimagesink=0x94a8c00) at xvimagesink.c:1111
#9  0xaaabb444 in gst_xvimagesink_change_state (element=0x94a8c00, transition=GST_STATE_CHANGE_NULL_TO_READY) at xvimagesink.c:2309
#10 0xaee4e6fb in gst_element_change_state (element=0x94a8c00, transition=GST_STATE_CHANGE_NULL_TO_READY) at gstelement.c:2761
#11 0xaee4f0ed in gst_element_set_state_func (element=0x94a8c00, state=GST_STATE_READY) at gstelement.c:2717
#12 0xaee4e431 in gst_element_set_state (element=0x94a8c00, state=GST_STATE_READY) at gstelement.c:2618
#13 0xaee39923 in gst_bin_element_set_state (next=GST_STATE_READY, current=GST_STATE_NULL, start_time=0, base_time=0, element=0x94a8c00, bin=0x94ca838) at gstbin.c:2209
#14 gst_bin_change_state_func (element=0x94ca838, transition=GST_STATE_CHANGE_NULL_TO_READY) at gstbin.c:2518
#15 0xaee4e6fb in gst_element_change_state (element=0x94ca838, transition=GST_STATE_CHANGE_NULL_TO_READY) at gstelement.c:2761
#16 0xaee4f0ed in gst_element_set_state_func (element=0x94ca838, state=GST_STATE_READY) at gstelement.c:2717
#17 0xaee4e431 in gst_element_set_state (element=0x94ca838, state=GST_STATE_READY) at gstelement.c:2618
#18 0xaee39923 in gst_bin_element_set_state (next=GST_STATE_READY, current=GST_STATE_NULL, start_time=0, base_time=0, element=0x94ca838, bin=0x94cad18) at gstbin.c:2209
#19 gst_bin_change_state_func (element=0x94cad18, transition=GST_STATE_CHANGE_NULL_TO_READY) at gstbin.c:2518
#20 0xaee4e6fb in gst_element_change_state (element=0x94cad18, transition=GST_STATE_CHANGE_NULL_TO_READY) at gstelement.c:2761
#21 0xaee4f0ed in gst_element_set_state_func (element=0x94cad18, state=GST_STATE_READY) at gstelement.c:2717
#22 0xaee4e431 in gst_element_set_state (element=0x94cad18, state=GST_STATE_READY) at gstelement.c:2618
#23 0xa56f49a2 in try_element (playsink=0x97150b8, element=0x94cad18, unref=0) at gstplaysink.c:1137
#24 0xa56f4ba5 in gen_video_chain (playsink=0x97150b8, raw=<optimized out>, async=1) at gstplaysink.c:1272
#25 0xa56f7d23 in gst_play_sink_reconfigure (playsink=0x97150b8) at gstplaysink.c:2265
#26 0xa56fad2f in sinkpad_blocked_cb (blockedpad=0xa762d2c0, blocked=1, user_data=0x97150b8) at gstplaysink.c:2997
#27 0xaee2d108 in handle_pad_block (pad=0xa762d2c0) at gstpad.c:4073
#28 handle_pad_block (pad=0xa762d2c0) at gstpad.c:4040
#29 0xaee6ea27 in gst_pad_push_event (pad=0xa762d2c0, event=0xb0924a00) at gstpad.c:5248
#30 0xaee56324 in gst_proxy_pad_event_default (pad=0x9874700, event=0xb0924a00) at gstghostpad.c:132
#31 0xaee6e2ca in gst_pad_send_event (pad=0x9874700, event=0xb0924a00) at gstpad.c:5425
#32 0xa56ecc4f in stream_changed_data_probe (pad=0x9874700, object=0xa940d800, data=0x9713164) at gstplaybin2.c:2476
#33 0xaeeb3192 in gst_marshal_BOOLEAN__POINTER (closure=0xb0922ce8, return_value=0x9feda994, n_param_values=2, param_values=0x9fedaa64, invocation_hint=0x9feda980, marshal_data=0x0) at gstmarshal.c:586
#34 0xb5210484 in g_closure_invoke (closure=0xb0922ce8, return_value=0x9feda994, n_param_values=2, param_values=0x9fedaa64, invocation_hint=0x9feda980) at /build/buildd/glib2.0-2.32.3/./gobject/gclosure.c:777
#35 0xb52220d9 in signal_emit_unlocked_R (node=0x9371ab0, detail=146, instance=0x9874700, emission_return=0x9fedaa8c, instance_and_params=0x9fedaa64) at /build/buildd/glib2.0-2.32.3/./gobject/gsignal.c:3547
#36 0xb522955b in g_signal_emitv (instance_and_params=0x9fedaa64, signal_id=286, detail=146, return_value=0x9fedaa8c) at /build/buildd/glib2.0-2.32.3/./gobject/gsignal.c:3037
#37 0xaee2d400 in gst_pad_emit_have_data_signal (pad=0x9874700, obj=<optimized out>) at gstpad.c:4167
#38 0xaee6e121 in gst_pad_send_event (pad=0x9874700, event=0xa940d800) at gstpad.c:5370
#39 0xaee6e8c9 in gst_pad_push_event (pad=0x9a5e1a0, event=0xa940d800) at gstpad.c:5277
#40 0xaa15f289 in gst_selector_pad_event (pad=0xb0906328, event=0xa940d800) at gstinputselector.c:509
#41 0xaee6e2ca in gst_pad_send_event (pad=0xb0906328, event=0xa940d800) at gstpad.c:5425
#42 0xaee6e8c9 in gst_pad_push_event (pad=0xa76028e0, event=0xa940d800) at gstpad.c:5277
#43 0xaee56324 in gst_proxy_pad_event_default (pad=0xa76038e0, event=0xa940d800) at gstghostpad.c:132
#44 0xaee6e2ca in gst_pad_send_event (pad=0xa76038e0, event=0xa940d800) at gstpad.c:5425
#45 0xaee6e8c9 in gst_pad_push_event (pad=0x9a38380, event=0xa940d800) at gstpad.c:5277
#46 0xaee56324 in gst_proxy_pad_event_default (pad=0xa762d6d0, event=0xa940d800) at gstghostpad.c:132
#47 0xaee6e2ca in gst_pad_send_event (pad=0xa762d6d0, event=0xa940d800) at gstpad.c:5425
#48 0xaee6e8c9 in gst_pad_push_event (pad=0x9a158d8, event=0xa940d800) at gstpad.c:5277
#49 0xaee6f48f in gst_pad_event_default_dispatch (event=0xa940d800, pad=0x9b70998) at gstpad.c:3579
#50 gst_pad_event_default (pad=0x9b70998, event=0xa940d800) at gstpad.c:3663
#51 0xaefd7ba6 in rsn_parsetter_sink_event (pad=0x9b70998, event=0xa940d800) at rsnparsetter.c:192
#52 0xaee6e2ca in gst_pad_send_event (pad=0x9b70998, event=0xa940d800) at gstpad.c:5425
#53 0xaee6e8c9 in gst_pad_push_event (pad=0x9381e20, event=0xa940d800) at gstpad.c:5277
#54 0xaefc22a2 in rsn_dec_sink_event (pad=0x9381c60, event=0xa940d800) at rsndec.c:64
#55 0xaee6e2ca in gst_pad_send_event (pad=0x9381c60, event=0xa940d800) at gstpad.c:5425
#56 0xaee6e8c9 in gst_pad_push_event (pad=0xa9458010, event=0xa940d800) at gstpad.c:5277
#57 0xaa166e08 in gst_single_queue_push_one (object=0xa940d800, sq=0xa9472c58, mq=0x9874620) at gstmultiqueue.c:1110
#58 gst_multi_queue_loop (pad=0xa9458010) at gstmultiqueue.c:1318
#59 0xaee97158 in gst_task_func (task=0x9a89bf0) at gsttask.c:327
#60 0xaee98308 in default_func (tdata=0x986c088, pool=0x9270318) at gsttaskpool.c:70
#61 0xb5398047 in g_thread_pool_thread_proxy (data=0x9373ef0) at /build/buildd/glib2.0-2.32.3/./glib/gthreadpool.c:309
#62 0xb53976b3 in g_thread_proxy (data=0x9382580) at /build/buildd/glib2.0-2.32.3/./glib/gthread.c:801
#63 0xb5445d4c in start_thread () from /lib/i386-linux-gnu/libpthread.so.0
#64 0xb5bb7d3e in clone () from /lib/i386-linux-gnu/libc.so.6

Thread 4 (Thread 0xaa991b40 (LWP 4925)):
#0  0xb76ff424 in __kernel_vsyscall ()
#1  0xb544996b in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/i386-linux-gnu/libpthread.so.0
#2  0xb5bc564c in pthread_cond_wait () from /lib/i386-linux-gnu/libc.so.6
#3  0xb53b37a6 in g_cond_wait (cond=0x9a391b0, mutex=0x93935c0) at /build/buildd/glib2.0-2.32.3/./glib/gthread-posix.c:746
#4  0xaee97344 in gst_task_func (task=0xa9434db0) at gsttask.c:312
#5  0xaee98308 in default_func (tdata=0x9a32628, pool=0x9270318) at gsttaskpool.c:70
#6  0xb5398047 in g_thread_pool_thread_proxy (data=0x9373ef0) at /build/buildd/glib2.0-2.32.3/./glib/gthreadpool.c:309
#7  0xb53976b3 in g_thread_proxy (data=0x98c8d80) at /build/buildd/glib2.0-2.32.3/./glib/gthread.c:801
#8  0xb5445d4c in start_thread () from /lib/i386-linux-gnu/libpthread.so.0
#9  0xb5bb7d3e in clone () from /lib/i386-linux-gnu/libc.so.6

Thread 3 (Thread 0xa6d07b40 (LWP 4937)):
#0  0xb76ff424 in __kernel_vsyscall ()
#1  0xb544996b in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/i386-linux-gnu/libpthread.so.0
#2  0xb5bc564c in pthread_cond_wait () from /lib/i386-linux-gnu/libc.so.6
#3  0xb53b37a6 in g_cond_wait (cond=0xb091e5a0, mutex=0xb092cb00) at /build/buildd/glib2.0-2.32.3/./glib/gthread-posix.c:746
#4  0xaee2d1a7 in handle_pad_block (pad=0x986cc58) at gstpad.c:4100
#5  handle_pad_block (pad=0x986cc58) at gstpad.c:4040
#6  0xaee6ea27 in gst_pad_push_event (pad=0x986cc58, event=0xb0924a30) at gstpad.c:5248
#7  0xaee56324 in gst_proxy_pad_event_default (pad=0xa7602b80, event=0xb0924a30) at gstghostpad.c:132
#8  0xaee6e2ca in gst_pad_send_event (pad=0xa7602b80, event=0xb0924a30) at gstpad.c:5425
#9  0xa56ecc4f in stream_changed_data_probe (pad=0xa7602b80, object=0x98c8c90, data=0x97131a4) at gstplaybin2.c:2476
#10 0xaeeb3192 in gst_marshal_BOOLEAN__POINTER (closure=0xb090a7f0, return_value=0xa6d06bf4, n_param_values=2, param_values=0xa6d06cc4, invocation_hint=0xa6d06be0, marshal_data=0x0) at gstmarshal.c:586
#11 0xb5210484 in g_closure_invoke (closure=0xb090a7f0, return_value=0xa6d06bf4, n_param_values=2, param_values=0xa6d06cc4, invocation_hint=0xa6d06be0) at /build/buildd/glib2.0-2.32.3/./gobject/gclosure.c:777
#12 0xb52220d9 in signal_emit_unlocked_R (node=0x9371ab0, detail=146, instance=0xa7602b80, emission_return=0xa6d06cec, instance_and_params=0xa6d06cc4) at /build/buildd/glib2.0-2.32.3/./gobject/gsignal.c:3547
#13 0xb522955b in g_signal_emitv (instance_and_params=0xa6d06cc4, signal_id=286, detail=146, return_value=0xa6d06cec) at /build/buildd/glib2.0-2.32.3/./gobject/gsignal.c:3037
#14 0xaee2d400 in gst_pad_emit_have_data_signal (pad=0xa7602b80, obj=<optimized out>) at gstpad.c:4167
#15 0xaee6e121 in gst_pad_send_event (pad=0xa7602b80, event=0x98c8c90) at gstpad.c:5370
#16 0xaee6e8c9 in gst_pad_push_event (pad=0xb091c710, event=0x98c8c90) at gstpad.c:5277
#17 0xaa15f289 in gst_selector_pad_event (pad=0xa7619458, event=0x98c8c90) at gstinputselector.c:509
#18 0xaee6e2ca in gst_pad_send_event (pad=0xa7619458, event=0x98c8c90) at gstpad.c:5425
#19 0xaee6e8c9 in gst_pad_push_event (pad=0xa7602aa0, event=0x98c8c90) at gstpad.c:5277
#20 0xaee56324 in gst_proxy_pad_event_default (pad=0x97175b8, event=0x98c8c90) at gstghostpad.c:132
#21 0xaee6e2ca in gst_pad_send_event (pad=0x97175b8, event=0x98c8c90) at gstpad.c:5425
#22 0xaee6e8c9 in gst_pad_push_event (pad=0x9381aa0, event=0x98c8c90) at gstpad.c:5277
#23 0xaee56324 in gst_proxy_pad_event_default (pad=0x9a12ad0, event=0x98c8c90) at gstghostpad.c:132
#24 0xaee6e2ca in gst_pad_send_event (pad=0x9a12ad0, event=0x98c8c90) at gstpad.c:5425
#25 0xaee6e8c9 in gst_pad_push_event (pad=0xa762cf08, event=0x98c8c90) at gstpad.c:5277
#26 0xaa16dcea in gst_queue_push_one (queue=0x9542d40) at gstqueue.c:1205
#27 gst_queue_loop (pad=0xa762cf08) at gstqueue.c:1264
#28 0xaee97158 in gst_task_func (task=0xa9434d28) at gsttask.c:327
#29 0xaee98308 in default_func (tdata=0x9875b48, pool=0x9270318) at gsttaskpool.c:70
#30 0xb5398047 in g_thread_pool_thread_proxy (data=0x9373ef0) at /build/buildd/glib2.0-2.32.3/./glib/gthreadpool.c:309
#31 0xb53976b3 in g_thread_proxy (data=0x9382430) at /build/buildd/glib2.0-2.32.3/./glib/gthread.c:801
#32 0xb5445d4c in start_thread () from /lib/i386-linux-gnu/libpthread.so.0
#33 0xb5bb7d3e in clone () from /lib/i386-linux-gnu/libc.so.6

Thread 2 (Thread 0xa56dfb40 (LWP 4939)):
#0  0xb76ff424 in __kernel_vsyscall ()
#1  0xb544996b in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/i386-linux-gnu/libpthread.so.0
#2  0xb5bc564c in pthread_cond_wait () from /lib/i386-linux-gnu/libc.so.6
#3  0xb53b37a6 in g_cond_wait (cond=0x9381470, mutex=0xb090a5c8) at /build/buildd/glib2.0-2.32.3/./glib/gthread-posix.c:746
#4  0xaee2d1a7 in handle_pad_block (pad=0xa7603810) at gstpad.c:4100
#5  handle_pad_block (pad=0xa7603810) at gstpad.c:4040
#6  0xaee6ea27 in gst_pad_push_event (pad=0xa7603810, event=0xa76135b0) at gstpad.c:5248
#7  0xaee56324 in gst_proxy_pad_event_default (pad=0x9a38620, event=0xa76135b0) at gstghostpad.c:132
#8  0xaee6e2ca in gst_pad_send_event (pad=0x9a38620, event=0xa76135b0) at gstpad.c:5425
#9  0xa56ecc4f in stream_changed_data_probe (pad=0x9a38620, object=0x98c8c90, data=0x9713124) at gstplaybin2.c:2476
#10 0xaeeb3192 in gst_marshal_BOOLEAN__POINTER (closure=0xb091edd0, return_value=0xa56de824, n_param_values=2, param_values=0xa56de8f4, invocation_hint=0xa56de810, marshal_data=0x0) at gstmarshal.c:586
#11 0xb5210484 in g_closure_invoke (closure=0xb091edd0, return_value=0xa56de824, n_param_values=2, param_values=0xa56de8f4, invocation_hint=0xa56de810) at /build/buildd/glib2.0-2.32.3/./gobject/gclosure.c:777
#12 0xb52220d9 in signal_emit_unlocked_R (node=0x9371ab0, detail=146, instance=0x9a38620, emission_return=0xa56de91c, instance_and_params=0xa56de8f4) at /build/buildd/glib2.0-2.32.3/./gobject/gsignal.c:3547
#13 0xb522955b in g_signal_emitv (instance_and_params=0xa56de8f4, signal_id=286, detail=146, return_value=0xa56de91c) at /build/buildd/glib2.0-2.32.3/./gobject/gsignal.c:3037
#14 0xaee2d400 in gst_pad_emit_have_data_signal (pad=0x9a38620, obj=<optimized out>) at gstpad.c:4167
#15 0xaee6e121 in gst_pad_send_event (pad=0x9a38620, event=0x98c8c90) at gstpad.c:5370
#16 0xaee6e8c9 in gst_pad_push_event (pad=0x9b90998, event=0x98c8c90) at gstpad.c:5277
#17 0xaa15f289 in gst_selector_pad_event (pad=0xb0906aa8, event=0x98c8c90) at gstinputselector.c:509
#18 0xaee6e2ca in gst_pad_send_event (pad=0xb0906aa8, event=0x98c8c90) at gstpad.c:5425
#19 0xaee6e8c9 in gst_pad_push_event (pad=0x9381d40, event=0x98c8c90) at gstpad.c:5277
#20 0xaee56324 in gst_proxy_pad_event_default (pad=0x9a12d40, event=0x98c8c90) at gstghostpad.c:132
#21 0xaee6e2ca in gst_pad_send_event (pad=0x9a12d40, event=0x98c8c90) at gstpad.c:5425
#22 0xaee6e8c9 in gst_pad_push_event (pad=0x9560540, event=0x98c8c90) at gstpad.c:5277
#23 0xaee56324 in gst_proxy_pad_event_default (pad=0x9a32c88, event=0x98c8c90) at gstghostpad.c:132
#24 0xaee6e2ca in gst_pad_send_event (pad=0x9a32c88, event=0x98c8c90) at gstpad.c:5425
#25 0xaee6e8c9 in gst_pad_push_event (pad=0x986daa0, event=0x98c8c90) at gstpad.c:5277
#26 0xaefc22a2 in rsn_dec_sink_event (pad=0x986d9c0, event=0x98c8c90) at rsndec.c:64
#27 0xaee6e2ca in gst_pad_send_event (pad=0x986d9c0, event=0x98c8c90) at gstpad.c:5425
#28 0xaee6e8c9 in gst_pad_push_event (pad=0xb0920cc0, event=0x98c8c90) at gstpad.c:5277
#29 0xaefc0a4f in rsn_audiomunge_sink_event (pad=0xb0920bf8, event=0x98c8c90) at rsnaudiomunge.c:334
#30 0xaee6e2ca in gst_pad_send_event (pad=0xb0920bf8, event=0x98c8c90) at gstpad.c:5425
#31 0xaee6e8c9 in gst_pad_push_event (pad=0x986f0d8, event=0x98c8c90) at gstpad.c:5277
#32 0xaefc3e85 in gst_selector_pad_event (pad=0xa9474c30, event=0x98c8c90) at rsnstreamselector.c:299
#33 0xaee6e2ca in gst_pad_send_event (pad=0xa9474c30, event=0x98c8c90) at gstpad.c:5425
#34 0xaee6e8c9 in gst_pad_push_event (pad=0xa7615d80, event=0x98c8c90) at gstpad.c:5277
#35 0xaa166e08 in gst_single_queue_push_one (object=0x98c8c90, sq=0xa9432478, mq=0x9874620) at gstmultiqueue.c:1110
#36 gst_multi_queue_loop (pad=0xa7615d80) at gstmultiqueue.c:1318
#37 0xaee97158 in gst_task_func (task=0x9a89c78) at gsttask.c:327
#38 0xaee98308 in default_func (tdata=0xb091afa8, pool=0x9270318) at gsttaskpool.c:70
#39 0xb5398047 in g_thread_pool_thread_proxy (data=0x9373ef0) at /build/buildd/glib2.0-2.32.3/./glib/gthreadpool.c:309
#40 0xb53976b3 in g_thread_proxy (data=0xa7604f80) at /build/buildd/glib2.0-2.32.3/./glib/gthread.c:801
#41 0xb5445d4c in start_thread () from /lib/i386-linux-gnu/libpthread.so.0
#42 0xb5bb7d3e in clone () from /lib/i386-linux-gnu/libc.so.6

Thread 1 (Thread 0xb4a63740 (LWP 4861)):
#0  0xb76ff424 in __kernel_vsyscall ()
#1  0xb544c5a2 in __lll_lock_wait () from /lib/i386-linux-gnu/libpthread.so.0
#2  0xb5447ecb in _L_lock_891 () from /lib/i386-linux-gnu/libpthread.so.0
#3  0xb5447e60 in pthread_mutex_lock () from /lib/i386-linux-gnu/libpthread.so.0
#4  0xb5bc5864 in pthread_mutex_lock () from /lib/i386-linux-gnu/libc.so.6
#5  0xb53b33d0 in g_mutex_lock (mutex=0x94ad8d8) at /build/buildd/glib2.0-2.32.3/./glib/gthread-posix.c:208
#6  0xaaab42ae in gst_xvimagesink_xwindow_update_geometry (xvimagesink=0x94a8c00) at xvimagesink.c:1070
#7  0xaaab497f in gst_xvimagesink_expose (overlay=0x94a8c00) at xvimagesink.c:2917
#8  0xaee0bc27 in gst_x_overlay_expose (overlay=0x94a8c00) at xoverlay.c:495
#9  0xaef36d2a in ?? () from /usr/lib/i386-linux-gnu/qt4/plugins/phonon_backend/phonon_gstreamer.so
#10 0xaef36db7 in ?? () from /usr/lib/i386-linux-gnu/qt4/plugins/phonon_backend/phonon_gstreamer.so
#11 0xaef37036 in ?? () from /usr/lib/i386-linux-gnu/qt4/plugins/phonon_backend/phonon_gstreamer.so
#12 0xaef320e5 in ?? () from /usr/lib/i386-linux-gnu/qt4/plugins/phonon_backend/phonon_gstreamer.so
#13 0xb650bed4 in notify_helper (e=0xbfc9aa60, receiver=0x935c650, this=0x916ae70) at kernel/qapplication.cpp:4559
#14 QApplicationPrivate::notify_helper (this=0x916ae70, receiver=0x935c650, e=0xbfc9aa60) at kernel/qapplication.cpp:4531
#15 0xb65113a2 in QApplication::notify (this=0x916ae70, receiver=0x935c650, e=0xbfc9aa60) at kernel/qapplication.cpp:4524
#16 0xb71e2e01 in KApplication::notify (this=0xbfc9b764, receiver=0x935c650, event=0xbfc9aa60) at ../../kdeui/kernel/kapplication.cpp:311
#17 0xb5f1e97e in QCoreApplication::notifyInternal (this=0xbfc9b764, receiver=0x935c650, event=0xbfc9aa60) at kernel/qcoreapplication.cpp:876
#18 0xb656928d in sendEvent (event=0xbfc9aa60, receiver=0x935c650) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:231
#19 QWidgetPrivate::show_helper (this=0x94bf460) at kernel/qwidget.cpp:7542
#20 0xb6568f64 in QWidgetPrivate::show_recursive (this=0x94bf460) at kernel/qwidget.cpp:7413
#21 0xb6569069 in QWidgetPrivate::showChildren (this=0x9345e98, spontaneous=false) at kernel/qwidget.cpp:7850
#22 0xb6569180 in QWidgetPrivate::show_helper (this=0x9345e98) at kernel/qwidget.cpp:7489
#23 0xb6568f64 in QWidgetPrivate::show_recursive (this=0x9345e98) at kernel/qwidget.cpp:7413
#24 0xb6569069 in QWidgetPrivate::showChildren (this=0x9345740, spontaneous=false) at kernel/qwidget.cpp:7850
#25 0xb6569180 in QWidgetPrivate::show_helper (this=0x9345740) at kernel/qwidget.cpp:7489
#26 0xb65695c1 in QWidget::setVisible (this=0x93456f0, visible=true) at kernel/qwidget.cpp:7764
#27 0xb65472fd in show (this=0x93456f0) at ../../include/QtGui/../../src/gui/kernel/qwidget.h:494
#28 QStackedLayout::setCurrentIndex (this=0x9345550, index=2) at kernel/qstackedlayout.cpp:311
#29 0xb654745f in QStackedLayout::setCurrentWidget (this=0x9345550, widget=0x93456f0) at kernel/qstackedlayout.cpp:365
#30 0xb69eb58e in QStackedWidget::setCurrentWidget (this=0x93188f8, widget=0x93456f0) at widgets/qstackedwidget.cpp:292
#31 0x08067bdf in Dragon::MainWindow::engineHasVideoChanged (this=0x9330310, hasVideo=true) at ../../../../dragonplayer/src/app/stateChange.cpp:238
#32 0x080738ba in qt_static_metacall (_a=0xbfc9ae38, _id=22, _o=0x9330310, _c=<optimized out>) at ./mainWindow.moc:112
#33 Dragon::MainWindow::qt_static_metacall (_o=0x9330310, _c=QMetaObject::InvokeMetaMethod, _id=22, _a=0xbfc9ae38) at ./mainWindow.moc:83
#34 0xb5f356b1 in QMetaObject::activate (sender=0x93456f0, m=0x807b614, local_signal_index=9, argv=0xbfc9ae38) at kernel/qobject.cpp:3547
#35 0x080620ef in Dragon::VideoWindow::hasVideoChanged (this=0x93456f0, _t1=true) at ./videoWindow.moc:236
#36 0x08062dba in qt_static_metacall (_a=0xbfc9af58, _id=9, _o=0x93456f0, _c=<optimized out>) at ./videoWindow.moc:105
#37 Dragon::VideoWindow::qt_static_metacall (_o=0x93456f0, _c=QMetaObject::InvokeMetaMethod, _id=9, _a=0xbfc9af58) at ./videoWindow.moc:90
#38 0xb5f356b1 in QMetaObject::activate (sender=0x96ab038, m=0xb6ff3488, local_signal_index=4, argv=0xbfc9af58) at kernel/qobject.cpp:3547
#39 0xb6fbbefd in Phonon::MediaObject::hasVideoChanged(bool) () from /usr/lib/i386-linux-gnu/libphonon.so.4
#40 0xb6fbd0f4 in ?? () from /usr/lib/i386-linux-gnu/libphonon.so.4
#41 0xb5f30c01 in QMetaCallEvent::placeMetaCall (this=0x9552398, object=0x96ab038) at kernel/qobject.cpp:525
#42 0xb5f39c7b in QObject::event (this=0x96ab038, e=0x9552398) at kernel/qobject.cpp:1195
#43 0xb650bed4 in notify_helper (e=0x9552398, receiver=0x96ab038, this=0x916ae70) at kernel/qapplication.cpp:4559
#44 QApplicationPrivate::notify_helper (this=0x916ae70, receiver=0x96ab038, e=0x9552398) at kernel/qapplication.cpp:4531
#45 0xb651130d in QApplication::notify (this=0x9552398, receiver=0x96ab038, e=0x9552398) at kernel/qapplication.cpp:4288
#46 0xb71e2e01 in KApplication::notify (this=0xbfc9b764, receiver=0x96ab038, event=0x9552398) at ../../kdeui/kernel/kapplication.cpp:311
#47 0xb5f1e97e in QCoreApplication::notifyInternal (this=0xbfc9b764, receiver=0x96ab038, event=0x9552398) at kernel/qcoreapplication.cpp:876
#48 0xb5f22ad8 in sendEvent (event=<optimized out>, receiver=<optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:231
#49 QCoreApplicationPrivate::sendPostedEvents (receiver=0x0, event_type=0, data=0x914cbc0) at kernel/qcoreapplication.cpp:1500
#50 0xb5f22e0c in QCoreApplication::sendPostedEvents (receiver=0x0, event_type=0) at kernel/qcoreapplication.cpp:1393
#51 0xb5f51494 in sendPostedEvents () at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:236
#52 postEventSourceDispatch (s=0x916a3c0) at kernel/qeventdispatcher_glib.cpp:279
#53 0xb5373d86 in g_main_dispatch (context=0x916cc90) at /build/buildd/glib2.0-2.32.3/./glib/gmain.c:2539
#54 g_main_context_dispatch (context=0x916cc90) at /build/buildd/glib2.0-2.32.3/./glib/gmain.c:3075
#55 0xb5374125 in g_main_context_iterate (dispatch=1, block=-1254614448, context=0x916cc90, self=<optimized out>) at /build/buildd/glib2.0-2.32.3/./glib/gmain.c:3146
#56 g_main_context_iterate (context=0x916cc90, block=-1254614448, dispatch=1, self=<optimized out>) at /build/buildd/glib2.0-2.32.3/./glib/gmain.c:3083
#57 0xb5374201 in g_main_context_iteration (context=0x916cc90, may_block=1) at /build/buildd/glib2.0-2.32.3/./glib/gmain.c:3207
#58 0xb5f51887 in QEventDispatcherGlib::processEvents (this=0x914d758, flags=...) at kernel/qeventdispatcher_glib.cpp:424
#59 0xb65c4aaa in QGuiEventDispatcherGlib::processEvents (this=0x914d758, flags=...) at kernel/qguieventdispatcher_glib.cpp:204
#60 0xb5f1d50d in QEventLoop::processEvents (this=0xbfc9b6e4, flags=...) at kernel/qeventloop.cpp:149
#61 0xb5f1d7a9 in QEventLoop::exec (this=0xbfc9b6e4, flags=...) at kernel/qeventloop.cpp:204
#62 0xb5f22eba in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1148
#63 0xb6509a74 in QApplication::exec () at kernel/qapplication.cpp:3820
#64 0x0805bfb4 in main (argc=<error reading variable: Cannot access memory at address 0x80>, argv=<error reading variable: Cannot access memory at address 0x84>) at ../../../../dragonplayer/src/app/main.cpp:57

Reported using DrKonqi