#0  0x00007ffff2aed11c in __lll_lock_wait () from /usr/lib/libpthread.so.0
#1  0x00007ffff2ae7912 in pthread_mutex_lock () from /usr/lib/libpthread.so.0
#2  0x00007ffff40d8665 in gst_pad_pause_task () from /usr/lib/libgstreamer-1.0.so.0
#3  0x00007fffdef8f676 in ?? () from /usr/lib/gstreamer-1.0/libgstcoreelements.so
#4  0x00007ffff40cdf98 in ?? () from /usr/lib/libgstreamer-1.0.so.0
#5  0x00007ffff40ce6bf in ?? () from /usr/lib/libgstreamer-1.0.so.0
#6  0x00007ffff40d761c in gst_pad_push_event () from /usr/lib/libgstreamer-1.0.so.0
#7  0x00007fffe76cc416 in ?? () from /usr/lib/libgstbase-1.0.so.0
#8  0x00007ffff40cdf98 in ?? () from /usr/lib/libgstreamer-1.0.so.0
#9  0x00007ffff40ce6bf in ?? () from /usr/lib/libgstreamer-1.0.so.0
#10 0x00007ffff40d761c in gst_pad_push_event () from /usr/lib/libgstreamer-1.0.so.0
#11 0x00007ffff40d7963 in ?? () from /usr/lib/libgstreamer-1.0.so.0
#12 0x00007ffff40d467e in gst_pad_forward () from /usr/lib/libgstreamer-1.0.so.0
#13 0x00007ffff40d47d3 in gst_pad_event_default () from /usr/lib/libgstreamer-1.0.so.0
#14 0x00007fffe7e4923a in ?? () from /usr/lib/libgstaudio-1.0.so.0
#15 0x00007ffff40cdf98 in ?? () from /usr/lib/libgstreamer-1.0.so.0
#16 0x00007ffff40ce6bf in ?? () from /usr/lib/libgstreamer-1.0.so.0
#17 0x00007ffff40d761c in gst_pad_push_event () from /usr/lib/libgstreamer-1.0.so.0
#18 0x00007fffe76a9f60 in ?? () from /usr/lib/libgstbase-1.0.so.0
#19 0x00007fffdeb3981d in ?? () from /usr/lib/gstreamer-1.0/libgstaudioparsers.so
#20 0x00007ffff40cdf98 in ?? () from /usr/lib/libgstreamer-1.0.so.0
#21 0x00007ffff40ce6bf in ?? () from /usr/lib/libgstreamer-1.0.so.0
#22 0x00007ffff40d761c in gst_pad_push_event () from /usr/lib/libgstreamer-1.0.so.0
#23 0x00007fffe7e4562a in ?? () from /usr/lib/libgstaudio-1.0.so.0
#24 0x00007ffff40cdf98 in ?? () from /usr/lib/libgstreamer-1.0.so.0
#25 0x00007ffff40ce6bf in ?? () from /usr/lib/libgstreamer-1.0.so.0
#26 0x00007ffff40d761c in gst_pad_push_event () from /usr/lib/libgstreamer-1.0.so.0
#27 0x00007fffe76cca1a in ?? () from /usr/lib/libgstbase-1.0.so.0
#28 0x00007ffff40cdf98 in ?? () from /usr/lib/libgstreamer-1.0.so.0
#29 0x00007ffff40ce6bf in ?? () from /usr/lib/libgstreamer-1.0.so.0