. Thread 6 (process 28234): #0 0x00007f9eb77afa94 in __lll_lock_wait () from /lib/libpthread.so.0 #1 0x00007f9eb77ab190 in _L_lock_102 () from /lib/libpthread.so.0 #2 0x00007f9eb77aaa7e in pthread_mutex_lock () from /lib/libpthread.so.0 #3 0x00007f9eae84691a in ?? () from /usr/lib/libgstreamer-0.10.so.0 #4 0x00007f9eae5db80b in ?? () from /usr/lib/libgstbase-0.10.so.0 #5 0x00007f9eae8466c6 in ?? () from /usr/lib/libgstreamer-0.10.so.0 #6 0x00007f9eae5db80b in ?? () from /usr/lib/libgstbase-0.10.so.0 #7 0x00007f9eae8466c6 in ?? () from /usr/lib/libgstreamer-0.10.so.0 #8 0x00007f9eae8466c6 in ?? () from /usr/lib/libgstreamer-0.10.so.0 #9 0x00007f9eae8466c6 in ?? () from /usr/lib/libgstreamer-0.10.so.0 #10 0x00007f9ea8953fab in ?? () from /usr/lib/gstreamer-0.10/libgstplaybin.so #11 0x00007f9eae8466c6 in ?? () from /usr/lib/libgstreamer-0.10.so.0 #12 0x00007f9eae8466c6 in ?? () from /usr/lib/libgstreamer-0.10.so.0 #13 0x00007f9ea680bcde in ?? () from /usr/lib/gstreamer-0.10/libgstffmpeg.so #14 0x00007f9ea680ebc9 in ?? () from /usr/lib/gstreamer-0.10/libgstffmpeg.so #15 0x00007f9ea680fc80 in ?? () from /usr/lib/gstreamer-0.10/libgstffmpeg.so #16 0x00007f9eae844f76 in ?? () from /usr/lib/libgstreamer-0.10.so.0 #17 0x00007f9eae846253 in gst_pad_push () from /usr/lib/libgstreamer-0.10.so.0 #18 0x00007f9ea8510832 in ?? () from /usr/lib/gstreamer-0.10/libgstcoreelements.so #19 0x00007f9eae865d86 in ?? () from /usr/lib/libgstreamer-0.10.so.0 #20 0x00007f9eb7a231d7 in ?? () from /usr/lib/libglib-2.0.so.0 #21 0x00007f9eb7a21c74 in ?? () from /usr/lib/libglib-2.0.so.0 #22 0x00007f9eb77a93ba in start_thread () from /lib/libpthread.so.0 #23 0x00007f9eb7515fcd in clone () from /lib/libc.so.6 #24 0x0000000000000000 in ?? () . Thread 5 (process 28233): #0 0x00007f9eb77ad2e9 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/libpthread.so.0 #1 0x00007f9ea8512748 in ?? () from /usr/lib/gstreamer-0.10/libgstcoreelements.so #2 0x00007f9eae844f76 in ?? () from /usr/lib/libgstreamer-0.10.so.0 #3 0x00007f9eae846253 in gst_pad_push () from /usr/lib/libgstreamer-0.10.so.0 #4 0x00007f9ea744856e in ?? () from /usr/lib/gstreamer-0.10/libgstmatroska.so #5 0x00007f9ea744c3a4 in ?? () from /usr/lib/gstreamer-0.10/libgstmatroska.so #6 0x00007f9eae865d86 in ?? () from /usr/lib/libgstreamer-0.10.so.0 #7 0x00007f9eb7a231d7 in ?? () from /usr/lib/libglib-2.0.so.0 #8 0x00007f9eb7a21c74 in ?? () from /usr/lib/libglib-2.0.so.0 #9 0x00007f9eb77a93ba in start_thread () from /lib/libpthread.so.0 #10 0x00007f9eb7515fcd in clone () from /lib/libc.so.6 #11 0x0000000000000000 in ?? () . Thread 4 (process 28237): #0 0x00007f9eb80b4a14 in g_type_value_table_peek () from /usr/lib/libgobject-2.0.so.0 #1 0x00007f9eb80be098 in g_value_init () from /usr/lib/libgobject-2.0.so.0 #2 0x00007f9eae872f8c in gst_value_init_and_copy () from /usr/lib/libgstreamer-0.10.so.0 #3 0x00007f9eae85eb30 in gst_structure_copy () from /usr/lib/libgstreamer-0.10.so.0 #4 0x00007f9eae8259b8 in gst_caps_subtract () from /usr/lib/libgstreamer-0.10.so.0 #5 0x00007f9eae825bfd in gst_caps_is_subset () from /usr/lib/libgstreamer-0.10.so.0 #6 0x00007f9eae8411cd in ?? () from /usr/lib/libgstreamer-0.10.so.0 #7 0x00007f9eae8446d7 in gst_pad_get_caps () from /usr/lib/libgstreamer-0.10.so.0 #8 0x00007f9eae5d8e67 in ?? () from /usr/lib/libgstbase-0.10.so.0 #9 0x00007f9eae844c46 in gst_pad_accept_caps () from /usr/lib/libgstreamer-0.10.so.0 #10 0x00007f9eae5d9385 in ?? () from /usr/lib/libgstbase-0.10.so.0 #11 0x00007f9eae5d9a5a in ?? () from /usr/lib/libgstbase-0.10.so.0 #12 0x00007f9eae8442a9 in gst_pad_set_caps () from /usr/lib/libgstreamer-0.10.so.0 #13 0x00007f9eae84506b in ?? () from /usr/lib/libgstreamer-0.10.so.0 #14 0x00007f9eae846253 in gst_pad_push () from /usr/lib/libgstreamer-0.10.so.0 #15 0x00007f9eae5dc0e4 in ?? () from /usr/lib/libgstbase-0.10.so.0 #16 0x00007f9eae844f76 in ?? () from /usr/lib/libgstreamer-0.10.so.0 #17 0x00007f9eae846253 in gst_pad_push () from /usr/lib/libgstreamer-0.10.so.0 #18 0x00007f9eae844f76 in ?? () from /usr/lib/libgstreamer-0.10.so.0 #19 0x00007f9eae846253 in gst_pad_push () from /usr/lib/libgstreamer-0.10.so.0 #20 0x00007f9ea8510832 in ?? () from /usr/lib/gstreamer-0.10/libgstcoreelements.so #21 0x00007f9eae865d86 in ?? () from /usr/lib/libgstreamer-0.10.so.0 #22 0x00007f9eb7a231d7 in ?? () from /usr/lib/libglib-2.0.so.0 #23 0x00007f9eb7a21c74 in ?? () from /usr/lib/libglib-2.0.so.0 #24 0x00007f9eb77a93ba in start_thread () from /lib/libpthread.so.0 #25 0x00007f9eb7515fcd in clone () from /lib/libc.so.6 #26 0x0000000000000000 in ?? () . Thread 3 (process 28236): #0 0x00007f9eb77ad2e9 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/libpthread.so.0 #1 0x00007f9eae5c505c in gst_base_sink_wait_preroll () from /usr/lib/libgstbase-0.10.so.0 #2 0x00007f9eae5c9ba0 in ?? () from /usr/lib/libgstbase-0.10.so.0 #3 0x00007f9eae5ca60e in ?? () from /usr/lib/libgstbase-0.10.so.0 #4 0x00007f9eae5cac69 in ?? () from /usr/lib/libgstbase-0.10.so.0 #5 0x00007f9eae5cb0db in ?? () from /usr/lib/libgstbase-0.10.so.0 #6 0x00007f9eae844f76 in ?? () from /usr/lib/libgstreamer-0.10.so.0 #7 0x00007f9eae846253 in gst_pad_push () from /usr/lib/libgstreamer-0.10.so.0 #8 0x00007f9eae5dc0e4 in ?? () from /usr/lib/libgstbase-0.10.so.0 #9 0x00007f9eae844f76 in ?? () from /usr/lib/libgstreamer-0.10.so.0 #10 0x00007f9eae846253 in gst_pad_push () from /usr/lib/libgstreamer-0.10.so.0 #11 0x00007f9eae5dc0e4 in ?? () from /usr/lib/libgstbase-0.10.so.0 #12 0x00007f9eae844f76 in ?? () from /usr/lib/libgstreamer-0.10.so.0 #13 0x00007f9eae846253 in gst_pad_push () from /usr/lib/libgstreamer-0.10.so.0 #14 0x00007f9eae5dc0e4 in ?? () from /usr/lib/libgstbase-0.10.so.0 #15 0x00007f9eae844f76 in ?? () from /usr/lib/libgstreamer-0.10.so.0 #16 0x00007f9eae846253 in gst_pad_push () from /usr/lib/libgstreamer-0.10.so.0 #17 0x00007f9eae844f76 in ?? () from /usr/lib/libgstreamer-0.10.so.0 #18 0x00007f9eae846253 in gst_pad_push () from /usr/lib/libgstreamer-0.10.so.0 #19 0x00007f9ea8510832 in ?? () from /usr/lib/gstreamer-0.10/libgstcoreelements.so #20 0x00007f9eae865d86 in ?? () from /usr/lib/libgstreamer-0.10.so.0 #21 0x00007f9eb7a231d7 in ?? () from /usr/lib/libglib-2.0.so.0 #22 0x00007f9eb7a21c74 in ?? () from /usr/lib/libglib-2.0.so.0 #23 0x00007f9eb77a93ba in start_thread () from /lib/libpthread.so.0 #24 0x00007f9eb7515fcd in clone () from /lib/libc.so.6 #25 0x0000000000000000 in ?? () . Thread 2 (process 28231): #0 0x00007f9eb750c496 in poll () from /lib/libc.so.6 #1 0x00007f9eb79fb70f in ?? () from /usr/lib/libglib-2.0.so.0 #2 0x00007f9eb79fbd3d in g_main_loop_run () from /usr/lib/libglib-2.0.so.0 #3 0x00007f9eae821a9c in gst_bus_poll () from /usr/lib/libgstreamer-0.10.so.0 #4 0x00007f9eaeccf0b6 in ?? () from /usr/lib/tracker/extract-modules/libextract-gstreamer.so #5 0x00000000004034fd in ?? () #6 0x00000000004036a3 in tracker_extract_get_metadata () #7 0x00007f9eb8563faf in ?? () from /usr/lib/libdbus-glib-1.so.2 #8 0x00007f9eb6bce081 in ?? () from /lib/libdbus-1.so.3 #9 0x00007f9eb6bc0966 in dbus_connection_dispatch () from /lib/libdbus-1.so.3 #10 0x00007f9eb8560af5 in ?? () from /usr/lib/libdbus-glib-1.so.2 #11 0x00007f9eb79f819a in g_main_context_dispatch () from /usr/lib/libglib-2.0.so.0 #12 0x00007f9eb79fb870 in ?? () from /usr/lib/libglib-2.0.so.0 #13 0x00007f9eb79fbd3d in g_main_loop_run () from /usr/lib/libglib-2.0.so.0 #14 0x0000000000403d9b in main () . Thread 1 (process 28235): #0 0x00007f9eb7a020d6 in g_logv () from /usr/lib/libglib-2.0.so.0 #1 0x00007f9eb7a02463 in g_log () from /usr/lib/libglib-2.0.so.0 #2 0x00007f9eb7a00a0a in g_malloc () from /usr/lib/libglib-2.0.so.0 #3 0x00007f9eae820697 in gst_buffer_new_and_alloc () from /usr/lib/libgstreamer-0.10.so.0 #4 0x00007f9ea680c0aa in ?? () from /usr/lib/gstreamer-0.10/libgstffmpeg.so #5 0x00007f9ea680d230 in ?? () from /usr/lib/gstreamer-0.10/libgstffmpeg.so #6 0x00007f9ea680fc80 in ?? () from /usr/lib/gstreamer-0.10/libgstffmpeg.so #7 0x00007f9eae844f76 in ?? () from /usr/lib/libgstreamer-0.10.so.0 #8 0x00007f9eae846253 in gst_pad_push () from /usr/lib/libgstreamer-0.10.so.0 #9 0x00007f9ea8510832 in ?? () from /usr/lib/gstreamer-0.10/libgstcoreelements.so #10 0x00007f9eae865d86 in ?? () from /usr/lib/libgstreamer-0.10.so.0 #11 0x00007f9eb7a231d7 in ?? () from /usr/lib/libglib-2.0.so.0 #12 0x00007f9eb7a21c74 in ?? () from /usr/lib/libglib-2.0.so.0 #13 0x00007f9eb77a93ba in start_thread () from /lib/libpthread.so.0 #14 0x00007f9eb7515fcd in clone () from /lib/libc.so.6 #15 0x0000000000000000 in ?? ()