(gdb) thread apply all bt

Thread 9 (Thread 0xb28fdb40 (LWP 16322)):
#0  gst_v4l2_buffer_pool_process (pool=0x0, buf=buf@entry=0x835e698) at gstv4l2bufferpool.c:1078
#1  0xb4481a7e in gst_v4l2src_fill (src=0x81ee270, buf=0x835e698) at gstv4l2src.c:771
#2  0xb7628d54 in gst_push_src_fill (bsrc=0x81ee270, offset=18446744073709551615, length=4096, ret=0x835e698) at gstpushsrc.c:169
#3  0xb760c507 in gst_base_src_default_create (src=0x81ee270, offset=18446744073709551615, size=4096, buffer=0xb28fcfb4) at gstbasesrc.c:1434
#4  0xb7628f00 in gst_push_src_create (ret=0xb28fcfb4, length=4096, offset=18446744073709551615, bsrc=0x81ee270) at gstpushsrc.c:134
#5  gst_push_src_create (bsrc=0x81ee270, offset=18446744073709551615, length=4096, ret=0xb28fcfb4) at gstpushsrc.c:122
#6  0xb760ee12 in gst_base_src_get_range (src=src@entry=0x81ee270, offset=18446744073709551615, length=length@entry=4096, 
    buf=buf@entry=0xb28fd084) at gstbasesrc.c:2357
#7  0xb76111ba in gst_base_src_loop (pad=0x81ecaf8) at gstbasesrc.c:2618
#8  0xb7f2be28 in gst_task_func (task=task@entry=0x835e238) at gsttask.c:316
#9  0xb7f2d068 in default_func (tdata=0x82dc488, pool=0x8078a98) at gsttaskpool.c:70
#10 0xb7872ce8 in g_thread_pool_thread_proxy (data=0x80b49c0) at /build/buildd/glib2.0-2.34.1/./glib/gthreadpool.c:309
#11 0xb7872303 in g_thread_proxy (data=0x82b58f0) at /build/buildd/glib2.0-2.34.1/./glib/gthread.c:797
#12 0xb77f0d4c in start_thread (arg=0xb28fdb40) at pthread_create.c:308
#13 0xb772ed3e in clone () at ../sysdeps/unix/sysv/linux/i386/clone.S:130

Thread 8 (Thread 0xb30feb40 (LWP 16321)):
#0  0xb7fdd424 in __kernel_vsyscall ()
#1  0xb77f496b in pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/i386/i686/../i486/pthread_cond_wait.S:169
#2  0xb788e2a6 in g_cond_wait (cond=cond@entry=0x81d64f8, mutex=mutex@entry=0x81d6504)
    at /build/buildd/glib2.0-2.34.1/./glib/gthread-posix.c:746
#3  0xb616a208 in gst_app_src_create (bsrc=0x81d62b0, offset=0, size=4096, buf=0xb30fdfb4) at gstappsrc.c:1063
#4  0xb760ee12 in gst_base_src_get_range (src=src@entry=0x81d62b0, offset=0, length=length@entry=4096, buf=buf@entry=0xb30fe084)
    at gstbasesrc.c:2357
#5  0xb76111ba in gst_base_src_loop (pad=0x81d4138) at gstbasesrc.c:2618
#6  0xb7f2be28 in gst_task_func (task=task@entry=0x835e198) at gsttask.c:316
#7  0xb7f2d068 in default_func (tdata=0x82b5d48, pool=0x8078a98) at gsttaskpool.c:70
#8  0xb7872ce8 in g_thread_pool_thread_proxy (data=0x80b49c0) at /build/buildd/glib2.0-2.34.1/./glib/gthreadpool.c:309
#9  0xb7872303 in g_thread_proxy (data=0xb5602ec0) at /build/buildd/glib2.0-2.34.1/./glib/gthread.c:797
#10 0xb77f0d4c in start_thread (arg=0xb30feb40) at pthread_create.c:308
#11 0xb772ed3e in clone () at ../sysdeps/unix/sysv/linux/i386/clone.S:130

Thread 7 (Thread 0xb38ffb40 (LWP 16320)):
#0  0xb7fdd424 in __kernel_vsyscall ()
#1  0xb77f496b in pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/i386/i686/../i486/pthread_cond_wait.S:169
#2  0xb788e2a6 in g_cond_wait (cond=cond@entry=0x81e630c, mutex=mutex@entry=0x81e6300)
---Type <return> to continue, or q <return> to quit---
    at /build/buildd/glib2.0-2.34.1/./glib/gthread-posix.c:746
#3  0xb613f844 in gst_queue_loop (pad=0x81d49c0) at gstqueue.c:1193
#4  0xb7f2be28 in gst_task_func (task=task@entry=0x835e0f8) at gsttask.c:316
#5  0xb7f2d068 in default_func (tdata=0x82d8b20, pool=0x8078a98) at gsttaskpool.c:70
#6  0xb7872ce8 in g_thread_pool_thread_proxy (data=0x80b49c0) at /build/buildd/glib2.0-2.34.1/./glib/gthreadpool.c:309
#7  0xb7872303 in g_thread_proxy (data=0x8300800) at /build/buildd/glib2.0-2.34.1/./glib/gthread.c:797
#8  0xb77f0d4c in start_thread (arg=0xb38ffb40) at pthread_create.c:308
#9  0xb772ed3e in clone () at ../sysdeps/unix/sysv/linux/i386/clone.S:130

Thread 6 (Thread 0xb42fcb40 (LWP 16319)):
#0  0xb7fdd424 in __kernel_vsyscall ()
#1  0xb77f496b in pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/i386/i686/../i486/pthread_cond_wait.S:169
#2  0xb788e2a6 in g_cond_wait (cond=cond@entry=0x81e6534, mutex=mutex@entry=0x81e6528)
    at /build/buildd/glib2.0-2.34.1/./glib/gthread-posix.c:746
#3  0xb613f844 in gst_queue_loop (pad=0x81ec4e0) at gstqueue.c:1193
#4  0xb7f2be28 in gst_task_func (task=task@entry=0x835e058) at gsttask.c:316
#5  0xb7f2d068 in default_func (tdata=0x82d8910, pool=0x8078a98) at gsttaskpool.c:70
#6  0xb7872ce8 in g_thread_pool_thread_proxy (data=0x8297830) at /build/buildd/glib2.0-2.34.1/./glib/gthreadpool.c:309
#7  0xb7872303 in g_thread_proxy (data=0x8293550) at /build/buildd/glib2.0-2.34.1/./glib/gthread.c:797
#8  0xb77f0d4c in start_thread (arg=0xb42fcb40) at pthread_create.c:308
#9  0xb772ed3e in clone () at ../sysdeps/unix/sysv/linux/i386/clone.S:130

Thread 5 (Thread 0xb4c97b40 (LWP 16318)):
#0  0xb7fdd424 in __kernel_vsyscall ()
#1  0xb77f81f6 in nanosleep () at ../sysdeps/unix/syscall-template.S:82
#2  0xb7873c8e in g_usleep (microseconds=microseconds@entry=50000) at /build/buildd/glib2.0-2.34.1/./glib/gtimer.c:259
#3  0xb6110f24 in gst_xvimagesink_event_thread (xvimagesink=0x81f5f08) at xvimagesink.c:582
#4  0xb7872303 in g_thread_proxy (data=0x82498c0) at /build/buildd/glib2.0-2.34.1/./glib/gthread.c:797
#5  0xb77f0d4c in start_thread (arg=0xb4c97b40) at pthread_create.c:308
#6  0xb772ed3e in clone () at ../sysdeps/unix/sysv/linux/i386/clone.S:130

Thread 4 (Thread 0xb5498b40 (LWP 16317)):
#0  0xb7fdd424 in __kernel_vsyscall ()
#1  0xb77f81f6 in nanosleep () at ../sysdeps/unix/syscall-template.S:82
#2  0xb7873c8e in g_usleep (microseconds=microseconds@entry=50000) at /build/buildd/glib2.0-2.34.1/./glib/gtimer.c:259
#3  0xb6110f24 in gst_xvimagesink_event_thread (xvimagesink=0x81f71b0) at xvimagesink.c:582
#4  0xb7872303 in g_thread_proxy (data=0x8249890) at /build/buildd/glib2.0-2.34.1/./glib/gthread.c:797
#5  0xb77f0d4c in start_thread (arg=0xb5498b40) at pthread_create.c:308
---Type <return> to continue, or q <return> to quit---
#6  0xb772ed3e in clone () at ../sysdeps/unix/sysv/linux/i386/clone.S:130

Thread 3 (Thread 0xb5fffb40 (LWP 16316)):
#0  0xb7fdd424 in __kernel_vsyscall ()
#1  0xb77205f0 in __GI___poll (fds=fds@entry=0xb5602398, nfds=nfds@entry=3, timeout=timeout@entry=-1) at ../sysdeps/unix/sysv/linux/poll.c:87
#2  0xb785b74b in g_poll (fds=0xb5602398, nfds=3, timeout=-1) at /build/buildd/glib2.0-2.34.1/./glib/gpoll.c:132
#3  0xb784cd00 in g_main_context_poll (n_fds=3, fds=0xb5602398, timeout=<optimized out>, context=0xb600acd8, priority=<optimized out>)
    at /build/buildd/glib2.0-2.34.1/./glib/gmain.c:3584
#4  g_main_context_iterate (context=0xb600acd8, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>)
    at /build/buildd/glib2.0-2.34.1/./glib/gmain.c:3285
#5  0xb784d1db in g_main_loop_run (loop=0xb600aca0) at /build/buildd/glib2.0-2.34.1/./glib/gmain.c:3484
#6  0xb7278b7a in gdbus_shared_thread_func (user_data=0xb600acc0) at /build/buildd/glib2.0-2.34.1/./gio/gdbusprivate.c:277
#7  0xb7872303 in g_thread_proxy (data=0xb6003db0) at /build/buildd/glib2.0-2.34.1/./glib/gthread.c:797
#8  0xb77f0d4c in start_thread (arg=0xb5fffb40) at pthread_create.c:308
#9  0xb772ed3e in clone () at ../sysdeps/unix/sysv/linux/i386/clone.S:130

Thread 2 (Thread 0xb69e4b40 (LWP 16315)):
#0  0xb7fdd424 in __kernel_vsyscall ()
#1  0xb77205f0 in __GI___poll (fds=fds@entry=0xb6000c78, nfds=nfds@entry=1, timeout=timeout@entry=25000)
    at ../sysdeps/unix/sysv/linux/poll.c:87
#2  0xb785b74b in g_poll (fds=0xb6000c78, nfds=1, timeout=25000) at /build/buildd/glib2.0-2.34.1/./glib/gpoll.c:132
#3  0xb784cd00 in g_main_context_poll (n_fds=1, fds=0xb6000c78, timeout=<optimized out>, context=0x80abb30, priority=<optimized out>)
    at /build/buildd/glib2.0-2.34.1/./glib/gmain.c:3584
#4  g_main_context_iterate (context=context@entry=0x80abb30, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>)
    at /build/buildd/glib2.0-2.34.1/./glib/gmain.c:3285
#5  0xb784ce61 in g_main_context_iteration (context=0x80abb30, may_block=1) at /build/buildd/glib2.0-2.34.1/./glib/gmain.c:3351
#6  0xb6b009e0 in ?? () from /usr/lib/i386-linux-gnu/gio/modules/libdconfsettings.so
#7  0xb7872303 in g_thread_proxy (data=0x80a82c0) at /build/buildd/glib2.0-2.34.1/./glib/gthread.c:797
#8  0xb77f0d4c in start_thread (arg=0xb69e4b40) at pthread_create.c:308
#9  0xb772ed3e in clone () at ../sysdeps/unix/sysv/linux/i386/clone.S:130

Thread 1 (Thread 0xb6e4d840 (LWP 16311)):
#0  0xb7fdd424 in __kernel_vsyscall ()
#1  0xb7726ad9 in ioctl () at ../sysdeps/unix/syscall-template.S:82
#2  0xb61d5906 in xu_query (self=self@entry=0x81d2030, selector=selector@entry=14, query=query@entry=130, data=data@entry=0x8302768 "")
    at gstuvch264_src.c:1860
#3  0xb61d83a5 in probe_setting (self=self@entry=0x81d2030, selector=UVCX_BITRATE_LAYERS, offset=2, size=4, min=0xbfffbb34, def=0xbfffbb38, 
    max=0xbfffbb3c) at gstuvch264_src.c:1178
---Type <return> to continue, or q <return> to quit---
#4  0xb61d886b in gst_uvc_h264_src_get_int_setting (self=0x81d2030, property=0x82b5df8 "peak-bitrate", min=0xbfffc044, def=0xbfffc04c, 
    max=0xbfffc048) at gstuvch264_src.c:1426
#5  0xb70a248e in ffi_call_SYSV () from /usr/lib/i386-linux-gnu/libffi.so.6
#6  0xb70a21ef in ffi_call () from /usr/lib/i386-linux-gnu/libffi.so.6
#7  0xb791061a in g_cclosure_marshal_generic_va (closure=closure@entry=0x81cf350, return_value=return_value@entry=0xbfffbe38, 
    instance=instance@entry=0x81d2030, 
    args_list=args_list@entry=0xbfffc018 ":\263\004\bD\300\377\277L\300\377\277H\300\377\277@\300\377\277", 
    marshal_data=marshal_data@entry=0x0, n_params=n_params@entry=4, param_types=param_types@entry=0x81cf3b8)
    at /build/buildd/glib2.0-2.34.1/./gobject/gclosure.c:1550
#8  0xb790fad1 in _g_closure_invoke_va (closure=0x81cf350, return_value=return_value@entry=0xbfffbe38, instance=instance@entry=0x81d2030, 
    args=args@entry=0xbfffc018 ":\263\004\bD\300\377\277L\300\377\277H\300\377\277@\300\377\277", n_params=4, param_types=0x81cf3b8)
    at /build/buildd/glib2.0-2.34.1/./gobject/gclosure.c:840
#9  0xb7928e77 in g_signal_emit_valist (instance=instance@entry=0x81d2030, signal_id=signal_id@entry=177, detail=detail@entry=0, 
    var_args=var_args@entry=0xbfffc018 ":\263\004\bD\300\377\277L\300\377\277H\300\377\277@\300\377\277")
    at /build/buildd/glib2.0-2.34.1/./gobject/gsignal.c:3211
#10 0xb7929d35 in g_signal_emit_by_name (instance=0x81d2030, detailed_signal=detailed_signal@entry=0x804b05d "get-int-setting")
    at /build/buildd/glib2.0-2.34.1/./gobject/gsignal.c:3393
#11 0x0804a562 in probe_all_properties (playing=playing@entry=1) at test-uvch264.c:409
#12 0x0804ad8e in on_button_playing_clicked (button=0x81fe100, user_data=0xbfffcdd8) at test-uvch264.c:292
#13 0xb79115f7 in g_cclosure_marshal_VOID__VOIDv (closure=closure@entry=0x81fbc08, return_value=return_value@entry=0x0, 
    instance=instance@entry=0x81fe100, args=args@entry=0xbfffc30c "va\223\267\020\305\377\277", marshal_data=marshal_data@entry=0x0, 
    n_params=n_params@entry=0, param_types=param_types@entry=0x0) at /build/buildd/glib2.0-2.34.1/./gobject/gmarshal.c:115
#14 0xb790fad1 in _g_closure_invoke_va (closure=0x81fbc08, return_value=return_value@entry=0x0, instance=instance@entry=0x81fe100, 
    args=args@entry=0xbfffc30c "va\223\267\020\305\377\277", n_params=0, param_types=0x0)
    at /build/buildd/glib2.0-2.34.1/./gobject/gclosure.c:840
#15 0xb7928e77 in g_signal_emit_valist (instance=instance@entry=0x81fe100, signal_id=signal_id@entry=105, detail=detail@entry=0, 
    var_args=var_args@entry=0xbfffc30c "va\223\267\020\305\377\277") at /build/buildd/glib2.0-2.34.1/./gobject/gsignal.c:3211
#16 0xb79298b3 in g_signal_emit (instance=0x81fe100, signal_id=105, detail=0) at /build/buildd/glib2.0-2.34.1/./gobject/gsignal.c:3356
#17 0xb7a7926a in gtk_button_clicked () from /usr/lib/i386-linux-gnu/libgtk-x11-2.0.so.0
#18 0xb7a7a670 in ?? () from /usr/lib/i386-linux-gnu/libgtk-x11-2.0.so.0
#19 0xb791158f in g_cclosure_marshal_VOID__VOID (closure=0x809cf60, return_value=0x0, n_param_values=1, param_values=0xbfffc510, 
    invocation_hint=0xbfffc4bc, marshal_data=0xb7a7a630) at /build/buildd/glib2.0-2.34.1/./gobject/gmarshal.c:85
#20 0xb790e6bd in g_type_class_meta_marshal (closure=closure@entry=0x809cf60, return_value=return_value@entry=0x0, 
    n_param_values=n_param_values@entry=1, param_values=param_values@entry=0xbfffc510, invocation_hint=invocation_hint@entry=0xbfffc4bc, 
    marshal_data=marshal_data@entry=0x1a4) at /build/buildd/glib2.0-2.34.1/./gobject/gclosure.c:970
#21 0xb790f826 in g_closure_invoke (closure=closure@entry=0x809cf60, return_value=return_value@entry=0x0, n_param_values=1, 
    param_values=param_values@entry=0xbfffc510, invocation_hint=invocation_hint@entry=0xbfffc4bc)
    at /build/buildd/glib2.0-2.34.1/./gobject/gclosure.c:777
---Type <return> to continue, or q <return> to quit---
#22 0xb7920faf in signal_emit_unlocked_R (node=node@entry=0x809cf90, detail=detail@entry=0, instance=instance@entry=0x81fe100, 
    emission_return=emission_return@entry=0x0, instance_and_params=instance_and_params@entry=0xbfffc510)
    at /build/buildd/glib2.0-2.34.1/./gobject/gsignal.c:3481
#23 0xb7929732 in g_signal_emit_valist (instance=instance@entry=0x81fe100, signal_id=signal_id@entry=104, detail=detail@entry=0, 
    var_args=var_args@entry=0xbfffc6fc "va\223\267\020\311\377\277") at /build/buildd/glib2.0-2.34.1/./gobject/gsignal.c:3300
#24 0xb79298b3 in g_signal_emit (instance=0x81fe100, signal_id=104, detail=0) at /build/buildd/glib2.0-2.34.1/./gobject/gsignal.c:3356
#25 0xb7a7918a in gtk_button_released () from /usr/lib/i386-linux-gnu/libgtk-x11-2.0.so.0
#26 0xb7a791d4 in ?? () from /usr/lib/i386-linux-gnu/libgtk-x11-2.0.so.0
#27 0xb7b38182 in ?? () from /usr/lib/i386-linux-gnu/libgtk-x11-2.0.so.0
#28 0xb790e6bd in g_type_class_meta_marshal (closure=closure@entry=0x8080138, return_value=return_value@entry=0xbfffc8a0, 
    n_param_values=n_param_values@entry=2, param_values=param_values@entry=0xbfffc910, invocation_hint=invocation_hint@entry=0xbfffc8bc, 
    marshal_data=marshal_data@entry=0xb4) at /build/buildd/glib2.0-2.34.1/./gobject/gclosure.c:970
#29 0xb790f826 in g_closure_invoke (closure=closure@entry=0x8080138, return_value=return_value@entry=0xbfffc8a0, n_param_values=2, 
    param_values=param_values@entry=0xbfffc910, invocation_hint=invocation_hint@entry=0xbfffc8bc)
    at /build/buildd/glib2.0-2.34.1/./gobject/gclosure.c:777
#30 0xb792143a in signal_emit_unlocked_R (node=node@entry=0x807ff90, detail=detail@entry=0, instance=instance@entry=0x81fe100, 
    emission_return=emission_return@entry=0xbfffc9cc, instance_and_params=instance_and_params@entry=0xbfffc910)
    at /build/buildd/glib2.0-2.34.1/./gobject/gsignal.c:3589
#31 0xb7929473 in g_signal_emit_valist (instance=instance@entry=0x81fe100, signal_id=signal_id@entry=34, detail=detail@entry=0, 
    var_args=0xbfffcb10 "<\313\377\277\250\361\063\b", var_args@entry=0xbfffcb0c "\250\361\063\b<\313\377\277\250\361\063\b")
    at /build/buildd/glib2.0-2.34.1/./gobject/gsignal.c:3310
#32 0xb79298b3 in g_signal_emit (instance=0x81fe100, signal_id=34, detail=0) at /build/buildd/glib2.0-2.34.1/./gobject/gsignal.c:3356
#33 0xb7c7093b in ?? () from /usr/lib/i386-linux-gnu/libgtk-x11-2.0.so.0
#34 0xb7b36294 in gtk_propagate_event () from /usr/lib/i386-linux-gnu/libgtk-x11-2.0.so.0
#35 0xb7b36628 in gtk_main_do_event () from /usr/lib/i386-linux-gnu/libgtk-x11-2.0.so.0
#36 0xb79a9be8 in ?? () from /usr/lib/i386-linux-gnu/libgdk-x11-2.0.so.0
#37 0xb784c9e3 in g_main_dispatch (context=0x807bbe0) at /build/buildd/glib2.0-2.34.1/./glib/gmain.c:2715
#38 g_main_context_dispatch (context=context@entry=0x807bbe0) at /build/buildd/glib2.0-2.34.1/./glib/gmain.c:3219
#39 0xb784cd80 in g_main_context_iterate (context=0x807bbe0, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>)
    at /build/buildd/glib2.0-2.34.1/./glib/gmain.c:3290
#40 0xb784d1db in g_main_loop_run (loop=0x8332038) at /build/buildd/glib2.0-2.34.1/./glib/gmain.c:3484
#41 0xb7b353a0 in gtk_main () from /usr/lib/i386-linux-gnu/libgtk-x11-2.0.so.0
#42 0x08049ed8 in main (argc=2, argv=0xbfffcea4) at test-uvch264.c:657

