(gdb) thread apply all bt

Thread 6 (Thread 0x7fe24a7c4700 (LWP 26287)):
#0  0x00007fe24cbaf08f in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/x86_64-linux-gnu/libpthread.so.0
#1  0x00007fe24ce4e437 in g_cond_wait (cond=0x15050b0, mutex=<optimized out>) at /build/glib2.0-tWPgvS/glib2.0-2.40.0/./glib/gthread-posix.c:762
#2  0x00007fe24d3b22af in gst_task_func (task=0x1505050) at gsttask.c:302
#3  0x00007fe24ce31438 in g_thread_pool_thread_proxy (data=<optimized out>) at /build/glib2.0-tWPgvS/glib2.0-2.40.0/./glib/gthreadpool.c:307
#4  0x00007fe24ce30aa5 in g_thread_proxy (data=0x14eec00) at /build/glib2.0-tWPgvS/glib2.0-2.40.0/./glib/gthread.c:764
#5  0x00007fe24cbab0a4 in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
#6  0x00007fe24c8e0c2d in clone () from /lib/x86_64-linux-gnu/libc.so.6

Thread 5 (Thread 0x7fe249fc3700 (LWP 26288)):
#0  0x00007fe24c8d80ed in poll () from /lib/x86_64-linux-gnu/libc.so.6
#1  0x00007fe24ce0a154 in g_main_context_poll (priority=2147483647, n_fds=1, fds=0x7fe23c0008c0, timeout=-1, context=0x1504c10)
    at /build/glib2.0-tWPgvS/glib2.0-2.40.0/./glib/gmain.c:4028
#2  g_main_context_iterate (context=context@entry=0x1504c10, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>)
    at /build/glib2.0-tWPgvS/glib2.0-2.40.0/./glib/gmain.c:3729
#3  0x00007fe24ce0a26c in g_main_context_iteration (context=0x1504c10, may_block=may_block@entry=1)
    at /build/glib2.0-tWPgvS/glib2.0-2.40.0/./glib/gmain.c:3795
#4  0x00007fe24ce0a2a9 in glib_worker_main (data=<optimized out>) at /build/glib2.0-tWPgvS/glib2.0-2.40.0/./glib/gmain.c:5541
#5  0x00007fe24ce30aa5 in g_thread_proxy (data=0x14eec50) at /build/glib2.0-tWPgvS/glib2.0-2.40.0/./glib/gthread.c:764
#6  0x00007fe24cbab0a4 in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
#7  0x00007fe24c8e0c2d in clone () from /lib/x86_64-linux-gnu/libc.so.6

Thread 4 (Thread 0x7fe249171700 (LWP 26289)):
#0  0x00007fe24cbb218d in nanosleep () from /lib/x86_64-linux-gnu/libpthread.so.0
#1  0x00007fe24ce320e8 in g_usleep (microseconds=microseconds@entry=1000000) at /build/glib2.0-tWPgvS/glib2.0-2.40.0/./glib/gtimer.c:259
#2  0x00000000004057ea in fault_spin () at gst-launch.c:109
#3  fault_handler_sighandler (signum=11) at gst-launch.c:90
#4  <signal handler called>
#5  0x00007fe24939b43f in ?? () from /usr/lib/x86_64-linux-gnu/gstreamer-1.0/libgstavi.so
#6  0x00007fe24d3b2057 in gst_task_func (task=0x15055f0) at gsttask.c:317
#7  0x00007fe24ce31438 in g_thread_pool_thread_proxy (data=<optimized out>) at /build/glib2.0-tWPgvS/glib2.0-2.40.0/./glib/gthreadpool.c:307
#8  0x00007fe24ce30aa5 in g_thread_proxy (data=0x7fe244105450) at /build/glib2.0-tWPgvS/glib2.0-2.40.0/./glib/gthread.c:764
#9  0x00007fe24cbab0a4 in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
#10 0x00007fe24c8e0c2d in clone () from /lib/x86_64-linux-gnu/libc.so.6

Thread 3 (Thread 0x7fe248970700 (LWP 26290)):
#0  0x00007fe24cbaf08f in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/x86_64-linux-gnu/libpthread.so.0
#1  0x00007fe24ce4e437 in g_cond_wait (cond=cond@entry=0x131fe68, mutex=mutex@entry=0x131fe58)
    at /build/glib2.0-tWPgvS/glib2.0-2.40.0/./glib/gthread-posix.c:762
#2  0x00007fe24aef1362 in _gst_data_queue_wait_non_empty (queue=0x131feb0) at gstdataqueue.c:552
#3  0x00007fe24aef2710 in gst_data_queue_pop (queue=0x131feb0, item=0x7fe24896fe50) at gstdataqueue.c:594
#4  0x00007fe24a7e7139 in gst_multi_queue_loop (pad=0x7fe2400070f4) at gstmultiqueue.c:1279
#5  0x00007fe24d3b2057 in gst_task_func (task=0x1505b90) at gsttask.c:317
---Type <return> to continue, or q <return> to quit---
#6  0x00007fe24ce31438 in g_thread_pool_thread_proxy (data=<optimized out>) at /build/glib2.0-tWPgvS/glib2.0-2.40.0/./glib/gthreadpool.c:307
#7  0x00007fe24ce30aa5 in g_thread_proxy (data=0x7fe2400042d0) at /build/glib2.0-tWPgvS/glib2.0-2.40.0/./glib/gthread.c:764
#8  0x00007fe24cbab0a4 in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
#9  0x00007fe24c8e0c2d in clone () from /lib/x86_64-linux-gnu/libc.so.6

Thread 2 (Thread 0x7fe23b06b700 (LWP 26291)):
#0  0x00007fe24cbb218d in nanosleep () from /lib/x86_64-linux-gnu/libpthread.so.0
#1  0x00007fe24ce320e8 in g_usleep (microseconds=<optimized out>) at /build/glib2.0-tWPgvS/glib2.0-2.40.0/./glib/gtimer.c:259
#2  0x00007fe23bdf591a in ?? () from /usr/lib/x86_64-linux-gnu/gstreamer-1.0/libgstxvimagesink.so
#3  0x00007fe24ce30aa5 in g_thread_proxy (data=0x7fe240004370) at /build/glib2.0-tWPgvS/glib2.0-2.40.0/./glib/gthread.c:764
#4  0x00007fe24cbab0a4 in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
#5  0x00007fe24c8e0c2d in clone () from /lib/x86_64-linux-gnu/libc.so.6

Thread 1 (Thread 0x7fe24d82c700 (LWP 26282)):
#0  0x00007fe24c8d80ed in poll () from /lib/x86_64-linux-gnu/libc.so.6
#1  0x00007fe24ce0a154 in g_main_context_poll (priority=2147483647, n_fds=2, fds=0x1506140, timeout=-1, context=0x1504ee0)
    at /build/glib2.0-tWPgvS/glib2.0-2.40.0/./glib/gmain.c:4028
#2  g_main_context_iterate (context=0x1504ee0, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>)
    at /build/glib2.0-tWPgvS/glib2.0-2.40.0/./glib/gmain.c:3729
#3  0x00007fe24ce0a4e2 in g_main_loop_run (loop=0x14fef20) at /build/glib2.0-tWPgvS/glib2.0-2.40.0/./glib/gmain.c:3928
#4  0x00007fe24d35a73a in gst_bus_poll (bus=0x14d1430, events=49, timeout=18446744073709551615) at gstbus.c:1091
#5  0x00000000004046e8 in event_loop (pipeline=0x14e8150, blocking=blocking@entry=1, do_progress=do_progress@entry=1, 
    target_state=target_state@entry=GST_STATE_PAUSED) at gst-launch.c:512
#6  0x0000000000403726 in main (argc=3, argv=0x7fff3740ea08) at gst-launch.c:1049
