Thread 4 (Thread 1086327696 (LWP 3593)): #0 0x4001c410 in __kernel_vsyscall () #1 0x403e615e in poll () from /lib/libc.so.6 #2 0x402c0773 in g_main_context_iterate (context=0x8076a80, block=1, dispatch=1, self=0x40901d28) at gmain.c:2979 #3 0x402c0af7 in IA__g_main_loop_run (loop=0x8071de8) at gmain.c:2881 #4 0x40085b5d in gst_system_clock_async_thread (clock=0x8079008) at gstsystemclock.c:496 #5 0x402db36f in g_thread_create_proxy (data=0x40901d28) at gthread.c:594 #6 0x402762c1 in start_thread () from /lib/libpthread.so.0 #7 0x403eeb3e in clone () from /lib/libc.so.6 Thread 2 (Thread 1080957840 (LWP 3591)): #0 0x4001c410 in __kernel_vsyscall () #1 0x4027a516 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/libpthread.so.0 #2 0x40085f40 in gst_system_clock_id_wait_jitter (clock=0x8079008, entry=0x8052cc8, jitter=0x406e1050) at gstsystemclock.c:717 #3 0x40054187 in gst_clock_id_wait (id=0x8052cc8, jitter=0x406e1050) at gstclock.c:393 #4 0x404bdbb0 in gst_base_sink_wait_clock (basesink=0x80720c0, time=, jitter=0x406e1050) at gstbasesink.c:1456 #5 0x404c1762 in gst_base_sink_render_object (basesink=0x80720c0, pad=0x8070900, obj=0x80742e8) at gstbasesink.c:1686 #6 0x404c3035 in gst_base_sink_queue_object_unlocked (basesink=0x80720c0, pad=0x8070900, obj=0x80742e8, prerollable=1) at gstbasesink.c:2224 #7 0x404c3687 in gst_base_sink_chain_unlocked (basesink=0x80720c0, pad=0x8070900, buf=0x80742e8) at gstbasesink.c:2553 #8 0x404c3c9e in gst_base_sink_chain (pad=0x8070900, buf=0x80742e8) at gstbasesink.c:2594 #9 0x400709ea in gst_pad_chain_unchecked (pad=0x8070900, buffer=0x80742e8) at gstpad.c:3503 #10 0x400710db in gst_pad_push (pad=0x8070840, buffer=0x80742e8) at gstpad.c:3671 #11 0x404cc81d in gst_base_src_loop (pad=0x8070840) at gstbasesrc.c:2051 #12 0x4008b2ff in gst_task_func (task=0x8071410, tclass=0x8071278) at gsttask.c:192 #13 0x402dcd27 in g_thread_pool_thread_proxy (data=0x8071308) at gthreadpool.c:265 ---Type to continue, or q to quit--- #14 0x402db36f in g_thread_create_proxy (data=0x80713b8) at gthread.c:594 #15 0x402762c1 in start_thread () from /lib/libpthread.so.0 #16 0x403eeb3e in clone () from /lib/libc.so.6 Thread 1 (Thread 1078297312 (LWP 3589)): #0 0x4001c410 in __kernel_vsyscall () #1 0x4027c96e in __lll_mutex_lock_wait () from /lib/libpthread.so.0 #2 0x40278a04 in _L_mutex_lock_50 () from /lib/libpthread.so.0 #3 0x402783ed in pthread_mutex_lock () from /lib/libpthread.so.0 #4 0x402dbae7 in IA__g_static_rec_mutex_lock (mutex=0x806df48) at gthread.c:272 #5 0x4006b4b8 in post_activate (pad=0x8070900, new_mode=GST_ACTIVATE_NONE) at gstpad.c:597 #6 0x40074ca0 in gst_pad_activate_push (pad=0x8070900, active=0) at gstpad.c:893 #7 0x4007541d in gst_pad_set_active (pad=0x8070900, active=0) at gstpad.c:655 #8 0x4005c31b in activate_pads (pad=0x8070900, ret=0xbff67698, active=0xbff676f8) at gstelement.c:2494 #9 0x40068677 in gst_iterator_fold (it=0x8079d88, func=0x4005c2f0 , ret=0xbff67698, user_data=0xbff676f8) at gstiterator.c:503 #10 0x4005bd94 in iterator_activate_fold_with_resync (iter=0x8079d88, func=0x4005c2f0 , user_data=0xbff676f8) at gstelement.c:2526 #11 0x4005be58 in gst_element_pads_activate (element=0x80720c0, active=0) at gstelement.c:2570 #12 0x4005c131 in gst_element_change_state_func (element=0x80720c0, transition=GST_STATE_CHANGE_PAUSED_TO_READY) at gstelement.c:2648 #13 0x404c6e04 in gst_base_sink_change_state (element=0x80720c0, transition=GST_STATE_CHANGE_PAUSED_TO_READY) at gstbasesink.c:3309 #14 0x40495247 in gst_fake_sink_change_state (element=0x80720c0, transition=GST_STATE_CHANGE_PAUSED_TO_READY) at gstfakesink.c:466 #15 0x40058859 in gst_element_change_state (element=0x80720c0, transition=GST_STATE_CHANGE_PAUSED_TO_READY) at gstelement.c:2410 #16 0x40058cc2 in gst_element_set_state_func (element=0x80720c0, state=GST_STATE_READY) at gstelement.c:2360 #17 0x400578a3 in gst_element_set_state (element=0x80720c0, state=GST_STATE_READY) at gstelement.c:2263 #18 0x400496b3 in gst_bin_change_state_func (element=0x8060850, transition=GST_STATE_CHANGE_PAUSED_TO_READY) at gstbin.c:1925 ---Type to continue, or q to quit--- #19 0x400781c7 in gst_pipeline_change_state (element=0x8060850, transition=GST_STATE_CHANGE_PAUSED_TO_READY) at gstpipeline.c:466 #20 0x40058859 in gst_element_change_state (element=0x8060850, transition=GST_STATE_CHANGE_PAUSED_TO_READY) at gstelement.c:2410 #21 0x40058505 in gst_element_continue_state (element=0x8060850, ret=GST_STATE_CHANGE_SUCCESS) at gstelement.c:2117 #22 0x40058937 in gst_element_change_state (element=0x8060850, transition=GST_STATE_CHANGE_PLAYING_TO_PAUSED) at gstelement.c:2447 #23 0x40058cc2 in gst_element_set_state_func (element=0x8060850, state=GST_STATE_NULL) at gstelement.c:2360 #24 0x400578a3 in gst_element_set_state (element=0x8060850, state=GST_STATE_NULL) at gstelement.c:2263 #25 0x0804975e in test_queries (__i__=0) at gst/gstquery.c:240 #26 0x40329b88 in srunner_run_all () from /usr/lib/libcheck.so.0 #27 0x4001fd6b in gst_check_run_suite (suite=0x804d008, name=0x804a718 "gst_query", fname=0x804a547 "gst/gstquery.c") at gstcheck.c:327 #28 0x0804a46b in main (argc=1, argv=0xbff67f24) at gst/gstquery.c:266 (gdb)