(gdb) thread apply all bt

Thread 6 (Thread 0x7f4643c0d950 (LWP 15730)):
#0  0x00007f46483472e9 in pthread_cond_wait@@GLIBC_2.3.2 () from
/lib/libpthread.so.0
#1  0x00007f4646f0ab7a in gst_collect_pads_chain (pad=0x21974e0,
buffer=0x21a2ac0) at gstcollectpads.c:1277
#2  0x00007f46498b7cfb in gst_pad_chain_data_unchecked (pad=0x21974e0,
is_buffer=1, data=0x21a2ac0) at gstpad.c:4061
#3  0x00007f46498b86d6 in gst_pad_push_data (pad=0x2132c60, is_buffer=1,
data=0x21a2ac0) at gstpad.c:4291
#4  0x00007f4647132bc2 in gst_queue_loop (pad=<value optimized out>) at
gstqueue.c:1042
#5  0x00007f46498db5d6 in gst_task_func (task=0x219b050) at gsttask.c:234
#6  0x00007f46489c9047 in ?? () from /usr/lib/libglib-2.0.so.0
#7  0x00007f46489c7ae4 in ?? () from /usr/lib/libglib-2.0.so.0
#8  0x00007f46483433ba in start_thread () from /lib/libpthread.so.0
#9  0x00007f46480affcd in clone () from /lib/libc.so.6
#10 0x0000000000000000 in ?? ()

Thread 5 (Thread 0x7f464340c950 (LWP 15731)):
#0  0x00007f46483472e9 in pthread_cond_wait@@GLIBC_2.3.2 () from
/lib/libpthread.so.0
#1  0x00007f46471329c0 in gst_queue_loop (pad=<value optimized out>) at
gstqueue.c:1133
#2  0x00007f46498db5d6 in gst_task_func (task=0x219b150) at gsttask.c:234
#3  0x00007f46489c9047 in ?? () from /usr/lib/libglib-2.0.so.0
#4  0x00007f46489c7ae4 in ?? () from /usr/lib/libglib-2.0.so.0
#5  0x00007f46483433ba in start_thread () from /lib/libpthread.so.0
#6  0x00007f46480affcd in clone () from /lib/libc.so.6
#7  0x0000000000000000 in ?? ()

Thread 4 (Thread 0x7f4642c0b950 (LWP 15732)):
#0  0x00007f46483472e9 in pthread_cond_wait@@GLIBC_2.3.2 () from
/lib/libpthread.so.0
#1  0x00007f4645952675 in gst_text_overlay_text_chain (pad=0x200a6b0,
buffer=0x26f3c80) at gsttextoverlay.c:1488
#2  0x00007f46498b7cfb in gst_pad_chain_data_unchecked (pad=0x200a6b0,
is_buffer=1, data=0x26f3c80) at gstpad.c:4061
#3  0x00007f46498b86d6 in gst_pad_push_data (pad=0x2132660, is_buffer=1,
data=0x26f3c80) at gstpad.c:4291
#4  0x00007f464626ab0d in gst_sub_parse_chain (sinkpad=<value optimized out>,
buf=<value optimized out>) at gstsubparse.c:1250
#5  0x00007f46498b7cfb in gst_pad_chain_data_unchecked (pad=0x21324e0,
is_buffer=1, data=0x7f46340098a0) at gstpad.c:4061
#6  0x00007f46498b86d6 in gst_pad_push_data (pad=0x2132360, is_buffer=1,
data=0x7f46340098a0) at gstpad.c:4291
#7  0x00007f4646efd9c0 in gst_base_src_loop (pad=0x2132360) at
gstbasesrc.c:2288
#8  0x00007f46498db5d6 in gst_task_func (task=0x219b250) at gsttask.c:234
#9  0x00007f46489c9047 in ?? () from /usr/lib/libglib-2.0.so.0
#10 0x00007f46489c7ae4 in ?? () from /usr/lib/libglib-2.0.so.0
#11 0x00007f46483433ba in start_thread () from /lib/libpthread.so.0
#12 0x00007f46480affcd in clone () from /lib/libc.so.6
#13 0x0000000000000000 in ?? ()

Thread 3 (Thread 0x7f464240a950 (LWP 15733)):
#0  0x00007f464834a7e1 in nanosleep () from /lib/libpthread.so.0
#1  0x00007f46489c9d18 in g_usleep () from /usr/lib/libglib-2.0.so.0
#2  0x0000000000403dba in fault_handler_sigaction (signum=<value optimized
out>, si=0x7f4642409870, misc=<value optimized out>) at gst-launch.c:216
#3  <signal handler called>
---Type <return> to continue, or q <return> to quit---
#4  0x00007f4645b75460 in ?? () from /usr/lib/libxvidcore.so.4
#5  0x00007f4645b65134 in ?? () from /usr/lib/libxvidcore.so.4
#6  0x00007f4645e5300e in gst_xviddec_chain (pad=0x0, buf=0x2ee4e10) at
gstxviddec.c:359
#7  0x00007f46498b7cfb in gst_pad_chain_data_unchecked (pad=0x200a230,
is_buffer=1, data=0x2ee4e10) at gstpad.c:4061
#8  0x00007f46498b86d6 in gst_pad_push_data (pad=0x200a0b0, is_buffer=1,
data=0x2ee4e10) at gstpad.c:4291
#9  0x00007f4647132bc2 in gst_queue_loop (pad=<value optimized out>) at
gstqueue.c:1042
#10 0x00007f46498db5d6 in gst_task_func (task=0x219b350) at gsttask.c:234
#11 0x00007f46489c9047 in ?? () from /usr/lib/libglib-2.0.so.0
#12 0x00007f46489c7ae4 in ?? () from /usr/lib/libglib-2.0.so.0
#13 0x00007f46483433ba in start_thread () from /lib/libpthread.so.0
#14 0x00007f46480affcd in clone () from /lib/libc.so.6
#15 0x0000000000000000 in ?? ()

Thread 2 (Thread 0x7f4641c09950 (LWP 15734)):
#0  0x00007f46483472e9 in pthread_cond_wait@@GLIBC_2.3.2 () from
/lib/libpthread.so.0
#1  0x00007f46471320f8 in gst_queue_chain (pad=<value optimized out>,
buffer=0x262fda0) at gstqueue.c:929
#2  0x00007f46498b7cfb in gst_pad_chain_data_unchecked (pad=0x2132ae0,
is_buffer=1, data=0x262fda0) at gstpad.c:4061
#3  0x00007f46498b86d6 in gst_pad_push_data (pad=0x21977e0, is_buffer=1,
data=0x262fda0) at gstpad.c:4291
#4  0x00007f4646cd548e in gst_avi_demux_stream_data (avi=0x21425c0) at
gstavidemux.c:3889
#5  0x00007f4646cd6ccb in gst_avi_demux_loop (pad=0x21321e0) at
gstavidemux.c:4193
#6  0x00007f46498db5d6 in gst_task_func (task=0x219b450) at gsttask.c:234
#7  0x00007f46489c9047 in ?? () from /usr/lib/libglib-2.0.so.0
#8  0x00007f46489c7ae4 in ?? () from /usr/lib/libglib-2.0.so.0
#9  0x00007f46483433ba in start_thread () from /lib/libpthread.so.0
#10 0x00007f46480affcd in clone () from /lib/libc.so.6
#11 0x0000000000000000 in ?? ()

Thread 1 (Thread 0x7f4649d2a6f0 (LWP 15728)):
#0  0x00007f46480a6496 in poll () from /lib/libc.so.6
#1  0x00007f46489a177f in ?? () from /usr/lib/libglib-2.0.so.0
#2  0x00007f46489a1dad in g_main_loop_run () from /usr/lib/libglib-2.0.so.0
#3  0x00007f46498934ec in gst_bus_poll (bus=0x1feab40, events=GST_MESSAGE_ANY,
timeout=<value optimized out>) at gstbus.c:1058
#4  0x0000000000402e32 in event_loop (pipeline=0x2198000, blocking=1,
target_state=GST_STATE_PLAYING) at gst-launch.c:401
#5  0x0000000000404a30 in main (argc=46, argv=0x7fff51d51d58) at
gst-launch.c:858
#0  0x00007f46480a6496 in poll () from /lib/libc.so.6
