#0  0x00007f981eef4740 in ?? ()
No symbol table info available.
#1  0x00007f9826f17da9 in ?? () from /usr/lib/x86_64-linux-gnu/dri/r600_drv_video.so
No symbol table info available.
#2  0x00007f9826f065d5 in ?? () from /usr/lib/x86_64-linux-gnu/dri/r600_drv_video.so
No symbol table info available.
#3  0x00007f983cb51542 in vaTerminate () from /usr/lib/x86_64-linux-gnu/libva.so.2
No symbol table info available.
#4  0x00007f983dcb3e92 in ?? () from /usr/lib/x86_64-linux-gnu/gstreamer-1.0/libgstvaapi.so
No symbol table info available.
#5  0x00007f986d9aee72 in g_object_unref () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
No symbol table info available.
#6  0x00007f984ebe5960 in gst_object_replace () from /usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
No symbol table info available.
#7  0x00007f983dd0903a in ?? () from /usr/lib/x86_64-linux-gnu/gstreamer-1.0/libgstvaapi.so
No symbol table info available.
#8  0x00007f986d9aee72 in g_object_unref () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
No symbol table info available.
#9  0x00007f986d9d2780 in g_value_unset () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
No symbol table info available.
#10 0x00007f984ec52bfc in gst_structure_free () from /usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
No symbol table info available.
#11 0x00007f984ec041fc in ?? () from /usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
No symbol table info available.
#12 0x00007f984ec10ac8 in ?? () from /usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
No symbol table info available.
#13 0x00007f984ebf0472 in ?? () from /usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
No symbol table info available.
#14 0x00007f984ec12bce in gst_element_change_state () from /usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
No symbol table info available.
#15 0x00007f984ec13309 in ?? () from /usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
No symbol table info available.
#16 0x00007f984ef0c4d9 in ?? () from /usr/lib/x86_64-linux-gnu/libgstpbutils-1.0.so.0
No symbol table info available.
#17 0x00007f98671d1dae in ffi_call_unix64 () from /usr/lib/x86_64-linux-gnu/libffi.so.6
No symbol table info available.
#18 0x00007f98671d171f in ffi_call () from /usr/lib/x86_64-linux-gnu/libffi.so.6
No symbol table info available.
#19 0x00007f986d9aa761 in g_cclosure_marshal_generic () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
No symbol table info available.
#20 0x00007f986d9a9f6d in g_closure_invoke () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
No symbol table info available.
#21 0x00007f986d9bcd3e in ?? () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
No symbol table info available.
#22 0x00007f986d9c53f5 in g_signal_emit_valist () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
No symbol table info available.
#23 0x00007f986d9c5e0f in g_signal_emit () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
No symbol table info available.
#24 0x00007f984ebf8e74 in gst_bus_async_signal_func () from /usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
No symbol table info available.
#25 0x00007f984ebf9c9d in ?? () from /usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
No symbol table info available.
#26 0x00007f986f99d0f5 in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#27 0x00007f986f99d4c0 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#28 0x00007f986f99d54c in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#29 0x00007f986dc90d0d in g_application_run () from /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0
No symbol table info available.
#30 0x00005565341ec84c in main ()
No symbol table info available.