GNU gdb 6.5
Copyright (C) 2006 Free Software Foundation, Inc.
GDB is free software, covered by the GNU General Public License, and you are
welcome to change it and/or distribute copies of it under certain conditions.
Type "show copying" to see the conditions.
There is absolutely no warranty for GDB.  Type "show warranty" for details.
This GDB was configured as "i686-pc-linux-gnu"...Using host libthread_db library "/lib/libthread_db.so.1".

(gdb) r filesrc location=/data/multimedia/googlevideo.avi ! decodebing ! xvimagesink
Starting program: /usr/bin/gst-launch-0.10 filesrc location=/data/multimedia/googlevideo.avi ! decodebing ! xvimagesink
[Thread debugging using libthread_db enabled]
[New Thread -1213024592 (LWP 30619)]
Setting pipeline to PAUSED ...
[New Thread -1217541216 (LWP 30623)]
[New Thread -1226216544 (LWP 30624)]
Pipeline is PREROLLING ...

Program received signal SIGINT, Interrupt.
[Switching to Thread -1213024592 (LWP 30619)]
0xffffe410 in __kernel_vsyscall ()
(gdb) thread apply all bt

Thread 3 (Thread -1226216544 (LWP 30624)):
#0  0xffffe410 in __kernel_vsyscall ()
#1  0xb7cee4bf in sem_wait@GLIBC_2.0 () from /lib/libpthread.so.0
#2  0xb7a4406b in PyThread_acquire_lock (lock=0x8127790, waitflag=1) at Python/thread_pthread.h:313
#3  0xb7a1cb80 in PyEval_RestoreThread (tstate=0x81b2370) at Python/ceval.c:305
#4  0xb7a3d441 in PyGILState_Ensure () at Python/pystate.c:508
#5  0xb78f744a in pyg_closure_marshal (closure=0x81b2098, return_value=0x0, n_param_values=2, param_values=0xb6e95dec, invocation_hint=0xb6e95ccc, marshal_data=0x0) at pygtype.c:1084
#6  0xb7d041bb in IA__g_closure_invoke (closure=0x81b2098, return_value=0x0, n_param_values=2, param_values=0xb6e95dec, invocation_hint=0xb6e95ccc) at gclosure.c:490
#7  0xb7d15969 in signal_emit_unlocked_R (node=0x805bb20, detail=0, instance=0x819e408, emission_return=0x0, instance_and_params=0xb6e95dec) at gsignal.c:2438
#8  0xb7d16da3 in IA__g_signal_emit_valist (instance=0x819e408, signal_id=7, detail=0, var_args=0xb6e96030 "\020\006\017\b¸ä\031\bX`鶧ºî·\020\006\017\bp¸î·\033|ë·@µí¶\020\006\017\b¸ä\031\b8aé¶(\006í¶\bä\031\b\020\006\017\b\200Ñ\030\b") at gsignal.c:2197
#9  0xb7d17049 in IA__g_signal_emit (instance=0x819e408, signal_id=7, detail=0) at gsignal.c:2241
#10 0xb7eb7e17 in gst_element_add_pad (element=0x819e408, pad=0x80f0610) at gstelement.c:636
#11 0xb6ed0628 in gst_avi_demux_parse_stream (element=0x819e408, buf=0x81766c8) at gstavidemux.c:1199
#12 0xb6ed379c in gst_avi_demux_stream_header (avi=0x819e408) at gstavidemux.c:2156
#13 0xb6ed6bd5 in gst_avi_demux_loop (pad=0xfffffffc) at gstavidemux.c:2706
#14 0xb7ee510f in gst_task_func (task=0x8196e88, tclass=0x81b2448) at gsttask.c:193
#15 0xb7c95ec7 in g_thread_pool_thread_proxy (data=0x81b2060) at gthreadpool.c:265
#16 0xb7c9450f in g_thread_create_proxy (data=0x819eae0) at gthread.c:553
#17 0xb7ce9294 in start_thread (arg=0xb6e96ba0) at pthread_create.c:261
#18 0xb7be7e7e in clone () from /lib/libc.so.6

Thread 2 (Thread -1217541216 (LWP 30623)):
#0  0xffffe410 in __kernel_vsyscall ()
#1  0xb7cef826 in __nanosleep_nocancel () from /lib/libpthread.so.0
#2  0xb7c964d2 in IA__g_usleep (microseconds=50000) at gtimer.c:238
#3  0xb780fe82 in gst_xvimagesink_event_thread (xvimagesink=0x81840f0) at xvimagesink.c:1334
#4  0xb7c9450f in g_thread_create_proxy (data=0x80639e8) at gthread.c:553
#5  0xb7ce9294 in start_thread (arg=0xb76dcba0) at pthread_create.c:261
#6  0xb7be7e7e in clone () from /lib/libc.so.6

Thread 1 (Thread -1213024592 (LWP 30619)):
#0  0xffffe410 in __kernel_vsyscall ()
#1  0xb7bdedc3 in *__GI___poll (fds=0xb7c45ff4, nfds=1, timeout=49) at ../sysdeps/unix/sysv/linux/poll.c:87
#2  0xb7c79963 in g_main_context_iterate (context=0x81628b8, block=1, dispatch=1, self=0x8051a08) at gmain.c:2977
#3  0xb7c79ce7 in IA__g_main_loop_run (loop=0x819ce70) at gmain.c:2879
#4  0xb7ead024 in gst_bus_poll (bus=0x81760b0, events=GST_MESSAGE_ANY, timeout=-1) at gstbus.c:861
#5  0x0804a0d1 in event_loop (pipeline=0x8186010, blocking=1, target_state=GST_STATE_PAUSED) at gst-launch.c:379
#6  0x0804b30d in main (argc=Cannot access memory at address 0x1
) at gst-launch.c:667
(gdb)