. Thread 6 (process 22462): #0 0x00007fb8b328a7e1 in nanosleep () from /lib/libpthread.so.0 #1 0x00007fb8b370aeb8 in IA__g_usleep (microseconds=) at /build/buildd/glib2.0-2.19.10/glib/gtimer.c:170 request = {tv_sec = 0, tv_nsec = 50000000} remaining = {tv_sec = 0, tv_nsec = 15531156} #2 0x00007fb89e963b40 in gst_xvimagesink_event_thread (xvimagesink=0x156af10) at xvimagesink.c:1573 __PRETTY_FUNCTION__ = "gst_xvimagesink_event_thread" #3 0x00007fb8b3708c74 in g_thread_create_proxy (data=0x157e1e0) at /build/buildd/glib2.0-2.19.10/glib/gthread.c:635 __PRETTY_FUNCTION__ = "g_thread_create_proxy" #4 0x00007fb8b32833ba in start_thread () from /lib/libpthread.so.0 #5 0x00007fb8b2feffcd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112 No locals. #6 0x0000000000000000 in ?? () . Thread 5 (process 22463): #0 0x00007fb8b32872e9 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/libpthread.so.0 #1 0x00007fb8a4f80630 in gst_queue_loop (pad=) at gstqueue.c:1138 queue = (GstQueue *) 0x151a3b0 ret = __PRETTY_FUNCTION__ = "gst_queue_loop" #2 0x00007fb8b6e25d86 in gst_task_func (task=0x1485200, tclass=) at gsttask.c:192 lock = (GStaticRecMutex *) 0x14e0d70 tself = (GThread *) 0x7fb8a00f04f0 __PRETTY_FUNCTION__ = "gst_task_func" #3 0x00007fb8b370a1d7 in g_thread_pool_thread_proxy ( data=) at /build/buildd/glib2.0-2.19.10/glib/gthreadpool.c:265 task = (gpointer) 0x1485200 pool = (GRealThreadPool *) 0xdf3ad0 #4 0x00007fb8b3708c74 in g_thread_create_proxy (data=0x7fb8a00f04f0) at /build/buildd/glib2.0-2.19.10/glib/gthread.c:635 __PRETTY_FUNCTION__ = "g_thread_create_proxy" #5 0x00007fb8b32833ba in start_thread () from /lib/libpthread.so.0 #6 0x00007fb8b2feffcd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112 No locals. #7 0x0000000000000000 in ?? () . Thread 4 (process 22425): #0 0x00007fb8b2fe6496 in *__GI___poll (fds=0xf70f50, nfds=5, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:87 oldtype = 0 result = #1 0x00007fb8b36e270f in g_main_context_iterate (context=0x147dd60, block=1, dispatch=1, self=) at /build/buildd/glib2.0-2.19.10/glib/gmain.c:2761 max_priority = 2147483647 timeout = -1 some_ready = nfds = 5 allocated_nfds = fds = (GPollFD *) 0xf70f50 __PRETTY_FUNCTION__ = "g_main_context_iterate" #2 0x00007fb8b36e2d3d in IA__g_main_loop_run (loop=0x147a8b0) at /build/buildd/glib2.0-2.19.10/glib/gmain.c:2656 self = (GThread *) 0x1482ab0 __PRETTY_FUNCTION__ = "IA__g_main_loop_run" #3 0x00007fb8b562ab00 in ?? () from /usr/lib/libORBit-2.so.0 #4 0x00007fb8b3708c74 in g_thread_create_proxy (data=0x1482ab0) at /build/buildd/glib2.0-2.19.10/glib/gthread.c:635 __PRETTY_FUNCTION__ = "g_thread_create_proxy" #5 0x00007fb8b32833ba in start_thread () from /lib/libpthread.so.0 #6 0x00007fb8b2feffcd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112 No locals. #7 0x0000000000000000 in ?? () . Thread 3 (process 22418): #0 0x00007fb8b2fe6496 in *__GI___poll (fds=0x147ca40, nfds=6, timeout=99) at ../sysdeps/unix/sysv/linux/poll.c:87 oldtype = 0 result = #1 0x00007fb8b36e270f in g_main_context_iterate (context=0xdadbf0, block=1, dispatch=1, self=) at /build/buildd/glib2.0-2.19.10/glib/gmain.c:2761 max_priority = 2147483647 timeout = 99 some_ready = nfds = 6 allocated_nfds = fds = (GPollFD *) 0x147ca40 __PRETTY_FUNCTION__ = "g_main_context_iterate" #2 0x00007fb8b36e2d3d in IA__g_main_loop_run (loop=0x147ed80) at /build/buildd/glib2.0-2.19.10/glib/gmain.c:2656 self = (GThread *) 0xd6a320 __PRETTY_FUNCTION__ = "IA__g_main_loop_run" #3 0x00007fb8b819a937 in IA__gtk_main () at /build/buildd/gtk+2.0-2.15.5/gtk/gtkmain.c:1205 tmp_list = (GList *) 0xd6bd50 functions = (GList *) 0x0 init = (GtkInitFunction *) 0xec8380 loop = #4 0x000000000040d875 in ?? () #5 0x00007fb8b2f285a6 in __libc_start_main ( main=0x40d6c0 , argc=1, ubp_av=0x7fffc0ad5f18, init=0x41f080 , fini=, rtld_fini=, stack_end=0x7fffc0ad5f08) at libc-start.c:220 result = unwind_buf = {cancel_jmp_buf = {{jmp_buf = {4321408, -5172004082206673494, 4248464, 140736425975568, 0, 0, 5172059722480842154, 5136421713033131434}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x1, 0x40d6c0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 1}}} not_first_call = #6 0x000000000040d3b9 in ?? () #7 0x00007fffc0ad5f08 in ?? () #8 0x000000000000001c in ?? () #9 0x0000000000000001 in ?? () #10 0x00007fffc0ad76cf in ?? () #11 0x0000000000000000 in ?? () . Thread 2 (process 22464): #0 0x00007fb8b32872e9 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/libpthread.so.0 #1 0x00007fb8a4f80630 in gst_queue_loop (pad=) at gstqueue.c:1138 queue = (GstQueue *) 0x151a160 ret = __PRETTY_FUNCTION__ = "gst_queue_loop" #2 0x00007fb8b6e25d86 in gst_task_func (task=0x14852a0, tclass=) at gsttask.c:192 lock = (GStaticRecMutex *) 0x14e6580 tself = (GThread *) 0x7fb8a00f0690 __PRETTY_FUNCTION__ = "gst_task_func" #3 0x00007fb8b370a1d7 in g_thread_pool_thread_proxy ( data=) at /build/buildd/glib2.0-2.19.10/glib/gthreadpool.c:265 task = (gpointer) 0x14852a0 pool = (GRealThreadPool *) 0xdf3ad0 #4 0x00007fb8b3708c74 in g_thread_create_proxy (data=0x7fb8a00f0690) at /build/buildd/glib2.0-2.19.10/glib/gthread.c:635 __PRETTY_FUNCTION__ = "g_thread_create_proxy" #5 0x00007fb8b32833ba in start_thread () from /lib/libpthread.so.0 #6 0x00007fb8b2feffcd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112 No locals. #7 0x0000000000000000 in ?? () . Thread 1 (process 22479): #0 0x00007fb8a519ec70 in ?? () from /usr/lib/libv4lconvert.so.0 #1 0x00007fb8a51983fb in v4lconvert_convert () from /usr/lib/libv4lconvert.so.0 #2 0x00007fb8a53fc1e9 in ?? () from /usr/lib/libv4l2.so.0 #3 0x00007fb8a53fd08b in v4l2_ioctl () from /usr/lib/libv4l2.so.0 #4 0x00007fb8a586a55f in gst_v4l2src_grab_frame (v4l2src=0x14a83a0, buf=0x7fb89b8abdb0) at v4l2src_calls.c:993 buffer = {index = 0, type = V4L2_BUF_TYPE_VIDEO_CAPTURE, bytesused = 5760000, flags = 1, field = V4L2_FIELD_NONE, timestamp = { tv_sec = 1236852414, tv_usec = 391761}, timecode = {type = 0, flags = 0, frames = 0 '\0', seconds = 0 '\0', minutes = 0 '\0', hours = 0 '\0', userbits = "\000\000\000"}, sequence = 0, memory = V4L2_MEMORY_MMAP, m = { offset = 0, userptr = 0}, length = 5760000, input = 0, reserved = 0} trials = 50 pool_buffer = need_copy = index = __FUNCTION__ = "gst_v4l2src_grab_frame" #5 0x00007fb8a5861f70 in gst_v4l2src_create (src=0x14a83a0, buf=0x7fb89b8abf00) at gstv4l2src.c:1280 v4l2src = (GstV4l2Src *) 0x14a83a0 ret = #6 0x00007fb8a561969a in gst_base_src_get_range (src=0x14a83a0, offset=18446744073709551615, length=4096, buf=0x7fb89b8abf00) at gstbasesrc.c:1942 ret = GST_FLOW_OK status = __PRETTY_FUNCTION__ = "gst_base_src_get_range" #7 0x00007fb8a561be3c in gst_base_src_loop (pad=0x125d8a0) at gstbasesrc.c:2182 src = (GstBaseSrc *) 0x14a83a0 buf = (GstBuffer *) 0x0 ret = position = -1 eos = blocksize = 1200 __PRETTY_FUNCTION__ = "gst_base_src_loop" #8 0x00007fb8b6e25d86 in gst_task_func (task=0x1485340, tclass=) at gsttask.c:192 lock = (GStaticRecMutex *) 0x7fb8a00e87b0 tself = (GThread *) 0x7fb8a00fd120 __PRETTY_FUNCTION__ = "gst_task_func" #9 0x00007fb8b370a1d7 in g_thread_pool_thread_proxy ( data=) at /build/buildd/glib2.0-2.19.10/glib/gthreadpool.c:265 task = (gpointer) 0x1485340 pool = (GRealThreadPool *) 0xdf3ad0 #10 0x00007fb8b3708c74 in g_thread_create_proxy (data=0x7fb8a00fd120) at /build/buildd/glib2.0-2.19.10/glib/gthread.c:635 __PRETTY_FUNCTION__ = "g_thread_create_proxy" #11 0x00007fb8b32833ba in start_thread () from /lib/libpthread.so.0 #12 0x00007fb8b2feffcd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112 No locals. #13 0x0000000000000000 in ?? ()