#0  magazine_chain_pop_head (magazine_chunks=<synthetic pointer>) at /build/buildd/glib2.0-2.32.0/./glib/gslice.c:532
        chunk = 0x10000000000
#1  magazine_chain_prepare_fields (magazine_chunks=0x7fbb300765c0) at /build/buildd/glib2.0-2.32.0/./glib/gslice.c:612
No locals.
#2  magazine_cache_push_magazine (ix=9, magazine_chunks=<optimized out>, count=10) at /build/buildd/glib2.0-2.32.0/./glib/gslice.c:684
        current = 0x7fbb30106010
        next = <optimized out>
        prev = <optimized out>
#3  0x00007fbb5ec09227 in thread_memory_magazine2_unload (ix=<optimized out>, tmem=<optimized out>) at /build/buildd/glib2.0-2.32.0/./glib/gslice.c:802
        mag = 0x7fbb28000d50
#4  0x00007fbb5ec503dc in g_slice_free1 (mem_size=<optimized out>, mem_block=0x7fbb30387c60) at /build/buildd/glib2.0-2.32.0/./glib/gslice.c:1093
        tmem = 0x7fbb280008c0
        ix = 9
        chunk_size = 160
        acat = 800
#5  0x00007fbb5ef147d4 in g_type_free_instance (instance=0x7fbb30387c60) at /build/buildd/glib2.0-2.32.0/./gobject/gtype.c:1937
        node = 0x7fbb635b1a30
        class = 0x7fbb635b2d60
        __PRETTY_FUNCTION__ = "g_type_free_instance"
#6  0x00007fbb60f0c313 in gst_buffer_unref (buf=<optimized out>) at ../gst/gstbuffer.h:367
No locals.
#7  gst_buffer_finalize (buffer=0x7fbb30416ac0) at gstbuffer.c:212
        __PRETTY_FUNCTION__ = "gst_buffer_finalize"
#8  0x00007fbb60f2fa11 in gst_mini_object_free (mini_object=0x7fbb30416ac0) at gstminiobject.c:376
        mo_class = <optimized out>
#9  gst_mini_object_unref (mini_object=0x7fbb30416ac0) at gstminiobject.c:411
        __PRETTY_FUNCTION__ = "gst_mini_object_unref"
#10 0x00007fbb4ab341b1 in gst_multi_queue_item_destroy (item=0x7fbb63a71360) at gstmultiqueue.c:1135
No locals.
#11 0x00007fbb5e2e850f in gst_data_queue_cleanup (queue=0x7fbb400020c0) at gstdataqueue.c:246
        item = <optimized out>
#12 0x00007fbb5e2e8e01 in gst_data_queue_locked_flush (queue=<optimized out>) at gstdataqueue.c:278
No locals.
#13 gst_data_queue_flush (queue=0x7fbb400020c0) at gstdataqueue.c:313
        __FUNCTION__ = "gst_data_queue_flush"
#14 0x00007fbb4ab35b7c in gst_multi_queue_loop (pad=<optimized out>) at gstmultiqueue.c:1349
        sq = 0x7fbb40007570
        item = <optimized out>
        sitem = 0x7fbb4006de60
        mq = 0x7fbb63a4c190
        object = <optimized out>
        newid = <optimized out>
        result = GST_FLOW_ERROR
        next_time = <optimized out>
        __PRETTY_FUNCTION__ = "gst_multi_queue_loop"
#15 0x00007fbb60f5fdcc in gst_task_func (task=0x7fbb3001e380) at gsttask.c:327
        lock = 0x7fbb635efa00
        tself = 0x7fbb300056d0
        priv = 0x7fbb3001e420
        __PRETTY_FUNCTION__ = "gst_task_func"
#16 0x00007fbb5ec59218 in g_thread_pool_thread_proxy (data=<optimized out>) at /build/buildd/glib2.0-2.32.0/./glib/gthreadpool.c:309
        task = 0x7fbb635dc770
        pool = 0x7fbb635ab870
#17 0x00007fbb5ec589b5 in g_thread_proxy (data=0x7fbb300056d0) at /build/buildd/glib2.0-2.32.0/./glib/gthread.c:801
        thread = 0x7fbb300056d0
#18 0x00007fbb5f13ae9a in start_thread (arg=0x7fbb36dc0700) at pthread_create.c:308
        __res = <optimized out>
        pd = 0x7fbb36dc0700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {0, 8950496641512948336, 140442406296464, 140442056001984, 0, 3, -8988937526616735120, -8989128363243945360}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = 0
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
        __PRETTY_FUNCTION__ = "start_thread"
#19 0x00007fbb5e5f04bd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
No locals.
#20 0x0000000000000000 in ?? ()
No symbol table info available.