#0  0x00007f981eef4740 in ?? ()
No symbol table info available.
#1  0x00007f9826f17da9 in pipe_resource_reference (tex=0x0, ptr=0x7f98341b1840) at ../../../../src/gallium/auxiliary/util/u_inlines.h:144
        next = 0x0
        old_tex = <optimized out>
        old_tex = <optimized out>
        next = <optimized out>
#2  vl_compositor_cleanup_state (s=s@entry=0x7f98341b1828) at ../../../../src/gallium/auxiliary/vl/vl_compositor.c:1466
No locals.
#3  0x00007f9826f065d5 in vlVaTerminate (ctx=<optimized out>) at ../../../../../src/gallium/state_trackers/va/context.c:353
        drv = 0x7f98341b1710
#4  0x00007f983cb51542 in vaTerminate (dpy=0x7f9834065060) at va.c:751
        vaStatus = 0
        pDisplayContext = 0x7f9834065060
        old_ctx = 0x7f9834174800
#5  0x00007f983dcb3e92 in gst_vaapi_display_destroy (display=0x55653650a740) at ../../../../gst-libs/gst/vaapi/gstvaapidisplay.c:835
        priv = 0x55653650a6c0
        priv = <optimized out>
        klass = <optimized out>
#6  gst_vaapi_display_finalize (object=0x55653650a740) at ../../../../gst-libs/gst/vaapi/gstvaapidisplay.c:1063
        display = 0x55653650a740
        priv = 0x55653650a6c0
#7  0x00007f986d9aee72 in g_object_unref (_object=0x55653650a740) at ../../../../gobject/gobject.c:3340
        weak_locations = <optimized out>
        object = 0x55653650a740
        old_ref = 1
        _object = <optimized out>
        has_toggle_ref = <optimized out>
        weak_locations = <optimized out>
        weak_ref_location = <optimized out>
        has_toggle_ref = <optimized out>
        object = <optimized out>
        old_ref = <optimized out>
        _g_boolean_var_ = <optimized out>
        _g_boolean_var_ = <optimized out>
        _g_boolean_var_ = <optimized out>
        object = 0x55653650a740
        old_ref = <optimized out>
        _g_boolean_var_ = <optimized out>
        _g_boolean_var_ = <optimized out>
        has_toggle_ref = <optimized out>
        weak_locations = <optimized out>
        weak_ref_location = <optimized out>
        has_toggle_ref = <optimized out>
        _g_boolean_var_ = <optimized out>
#8  0x00007f984ebe5705 in gst_object_unref (object=<optimized out>) at gstobject.c:266
        __func__ = "gst_object_unref"
        __PRETTY_FUNCTION__ = "gst_object_unref"
#9  0x00007f984ebe5960 in gst_object_replace (oldobj=oldobj@entry=0x7f9834014548, newobj=newobj@entry=0x0) at gstobject.c:343
        oldptr = 0x55653650a740
        __func__ = "gst_object_replace"
        __PRETTY_FUNCTION__ = "gst_object_replace"
#10 0x00007f983dcb4e85 in gst_vaapi_display_replace (old_display_ptr=old_display_ptr@entry=0x7f9834014548, new_display=new_display@entry=0x0) at ../../../../gst-libs/gst/vaapi/gstvaapidisplay.c:1227
No locals.
#11 0x00007f983dd0903a in gst_vaapi_display_egl_finalize (object=0x7f98340144e0) at ../../../../gst-libs/gst/vaapi/gstvaapidisplay_egl.c:305
        dpy = 0x7f98340144e0
#12 0x00007f986d9aee72 in g_object_unref (_object=0x7f98340144e0) at ../../../../gobject/gobject.c:3340
        weak_locations = <optimized out>
        object = 0x7f98340144e0
        old_ref = 1
        _object = <optimized out>
        has_toggle_ref = <optimized out>
        weak_locations = <optimized out>
        weak_ref_location = <optimized out>
        has_toggle_ref = <optimized out>
        object = <optimized out>
        old_ref = <optimized out>
        _g_boolean_var_ = <optimized out>
        _g_boolean_var_ = <optimized out>
        _g_boolean_var_ = <optimized out>
        object = 0x7f98340144e0
        old_ref = <optimized out>
        _g_boolean_var_ = <optimized out>
        _g_boolean_var_ = <optimized out>
        has_toggle_ref = <optimized out>
        weak_locations = <optimized out>
        weak_ref_location = <optimized out>
        has_toggle_ref = <optimized out>
        _g_boolean_var_ = <optimized out>
#13 0x00007f986d9d2780 in g_value_unset (value=value@entry=0x7f9834170fd8) at ../../../../gobject/gvalue.c:275
        value_table = <optimized out>
        _g_boolean_var_ = <optimized out>
#14 0x00007f984ec52bfc in gst_structure_free (structure=0x5565362eb8a0) at gststructure.c:385
        field = 0x7f9834170fd0
        i = <optimized out>
        len = <optimized out>
        __func__ = "gst_structure_free"
        __PRETTY_FUNCTION__ = "gst_structure_free"
#15 0x00007f984ec041fc in _gst_context_free (context=0x556536e80520) at gstcontext.c:107
        structure = <optimized out>
        _g_boolean_var_ = <optimized out>
        _g_boolean_var_ = <optimized out>
#16 0x00007f984ec10ac8 in gst_context_unref (context=0x556536e80520) at ../gst/gstcontext.h:74
No locals.
#17 gst_element_change_state_func (element=0x556536790550, transition=<optimized out>) at gstelement.c:3186
        next = <optimized out>
        context = 0x556536e80520
        l = 0x556536b462c0
        state = <optimized out>
        next = <optimized out>
        result = GST_STATE_CHANGE_SUCCESS
        __func__ = "gst_element_change_state_func"
        __PRETTY_FUNCTION__ = "gst_element_change_state_func"
#18 0x00007f984ebf0472 in gst_bin_change_state_func (element=0x556536790550, transition=GST_STATE_CHANGE_PAUSED_TO_READY) at gstbin.c:3017
        bin = 0x556536790550
        ret = <optimized out>
        current = GST_STATE_PAUSED
        next = GST_STATE_READY
        have_async = 0
        have_no_preroll = <optimized out>
        base_time = 0
        start_time = 0
        it = 0x5565364b4bf0
        done = <optimized out>
        data = {g_type = 93893198529136, data = {{v_int = 0, v_uint = 0, v_long = 0, v_ulong = 0, v_int64 = 0, v_uint64 = 0, v_float = 0, v_double = 0, v_pointer = 0x0}, {v_int = 0, v_uint = 0, v_long = 0, v_ulong = 0, v_int64 = 0, v_uint64 = 0, v_float = 0, v_double = 0, v_pointer = 0x0}}}
        __PRETTY_FUNCTION__ = "gst_bin_change_state_func"
        __func__ = "gst_bin_change_state_func"
#19 0x00007f984ec12bce in gst_element_change_state (element=element@entry=0x556536790550, transition=transition@entry=GST_STATE_CHANGE_PAUSED_TO_READY) at gstelement.c:2952
        oclass = 0x556536bd7d90
        ret = GST_STATE_CHANGE_SUCCESS
        __PRETTY_FUNCTION__ = "gst_element_change_state"
#20 0x00007f984ec13309 in gst_element_set_state_func (element=0x556536790550, state=GST_STATE_READY) at gstelement.c:2906
        current = GST_STATE_PAUSED
        next = <optimized out>
        old_pending = <optimized out>
        ret = <optimized out>
        transition = GST_STATE_CHANGE_PAUSED_TO_READY
        old_ret = <optimized out>
        __func__ = "gst_element_set_state_func"
        __PRETTY_FUNCTION__ = "gst_element_set_state_func"
#21 0x00007f984ef0c4d9 in discoverer_cleanup (dc=0x5565361967a0) at gstdiscoverer.c:1729
        __PRETTY_FUNCTION__ = "discoverer_cleanup"
#22 0x00007f98671d1dae in ffi_call_unix64 () at ../src/x86/unix64.S:76
No locals.
#23 0x00007f98671d171f in ffi_call (cif=cif@entry=0x7ffc737f71b0, fn=fn@entry=0x7f984ef0fd20 <discoverer_bus_cb>, rvalue=<optimized out>, avalue=avalue@entry=0x7ffc737f70c0) at ../src/x86/ffi64.c:525
        classes = {X86_64_INTEGER_CLASS, X86_64_NO_CLASS, 1937732016, 32764}
        stack = <optimized out>
        argp = <optimized out>
        arg_types = <optimized out>
        gprcount = 3
        ssecount = <optimized out>
        ngpr = 1
        nsse = 0
        i = <optimized out>
        avn = <optimized out>
        ret_in_memory = <optimized out>
        reg_args = <optimized out>
#24 0x00007f986d9aa761 in g_cclosure_marshal_generic (closure=0x556536df26f0, return_gvalue=0x0, n_param_values=<optimized out>, param_values=<optimized out>, invocation_hint=<optimized out>, marshal_data=<optimized out>) at ../../../../gobject/gclosure.c:1490
        rtype = <optimized out>
        rvalue = 0x7ffc737f7120
        n_args = 3
        atypes = <optimized out>
        args = <optimized out>
        i = <optimized out>
        cif = {abi = FFI_UNIX64, nargs = 3, arg_types = 0x7ffc737f70f0, rtype = 0x7f98671d21a0 <ffi_type_void>, bytes = 0, flags = 0}
        cc = 0x556536df26f0
        enum_tmpval = <optimized out>
        tmpval_used = 0
#25 0x00007f986d9a9f6d in g_closure_invoke (closure=0x556536df26f0, return_value=0x0, n_param_values=2, param_values=0x7ffc737f73e0, invocation_hint=0x7ffc737f7360) at ../../../../gobject/gclosure.c:804
        marshal = 0x7f986d9aa560 <g_cclosure_marshal_generic>
        marshal_data = 0x0
        in_marshal = 0
        real_closure = 0x556536df26d0
        __func__ = "g_closure_invoke"
#26 0x00007f986d9bcd3e in signal_emit_unlocked_R (node=node@entry=0x556536cb0420, detail=detail@entry=569, instance=instance@entry=0x556536bc9f40, emission_return=emission_return@entry=0x0, instance_and_params=instance_and_params@entry=0x7ffc737f73e0) at ../../../../gobject/gsignal.c:3635
        tmp = <optimized out>
        handler = 0x556536a3a080
        accumulator = 0x0
        emission = {next = 0x0, instance = 0x556536bc9f40, ihint = {signal_id = 641, detail = 569, run_type = G_SIGNAL_RUN_FIRST}, state = EMISSION_RUN, chain_type = 4}
        class_closure = <optimized out>
        hlist = <optimized out>
        handler_list = 0x556536a3a080
        return_accu = 0x0
        accu = {g_type = 0, data = {{v_int = 0, v_uint = 0, v_long = 0, v_ulong = 0, v_int64 = 0, v_uint64 = 0, v_float = 0, v_double = 0, v_pointer = 0x0}, {v_int = 0, v_uint = 0, v_long = 0, v_ulong = 0, v_int64 = 0, v_uint64 = 0, v_float = 0, v_double = 0, v_pointer = 0x0}}}
        signal_id = 641
        max_sequential_handler_number = 12716
        return_value_altered = 0
#27 0x00007f986d9c53f5 in g_signal_emit_valist (instance=<optimized out>, signal_id=<optimized out>, detail=<optimized out>, var_args=var_args@entry=0x7ffc737f75b0) at ../../../../gobject/gsignal.c:3391
        instance_and_params = 0x7ffc737f73e0
        signal_return_type = <optimized out>
        param_values = 0x7ffc737f73f8
        node = <optimized out>
        i = <optimized out>
        n_params = <optimized out>
        __func__ = "g_signal_emit_valist"
#28 0x00007f986d9c5e0f in g_signal_emit (instance=instance@entry=0x556536bc9f40, signal_id=<optimized out>, detail=<optimized out>) at ../../../../gobject/gsignal.c:3447
        var_args = {{gp_offset = 32, fp_offset = 48, overflow_arg_area = 0x7ffc737f7690, reg_save_area = 0x7ffc737f75d0}}
#29 0x00007f984ebf8e74 in gst_bus_async_signal_func (bus=0x556536bc9f40, message=0x7f98341714a0, data=<optimized out>) at gstbus.c:1253
        detail = <optimized out>
        _g_boolean_var_ = <optimized out>
        __inst = <optimized out>
        __t = <optimized out>
        __r = <optimized out>
        _g_boolean_var_ = <optimized out>
#30 0x00007f984ebf9c9d in gst_bus_source_dispatch (source=source@entry=0x556536bdd290, callback=0x7f984ebf8e20 <gst_bus_async_signal_func>, user_data=0x0) at gstbus.c:841
        handler = 0x7f984ebf8e20 <gst_bus_async_signal_func>
        bsource = 0x556536bdd290
        message = 0x7f98341714a0
        keep = <optimized out>
        bus = 0x556536bc9f40
        __func__ = "gst_bus_source_dispatch"
        __PRETTY_FUNCTION__ = "gst_bus_source_dispatch"
#31 0x00007f986f99d0f5 in g_main_dispatch (context=0x556536104dd0) at ../../../../glib/gmain.c:3177
        dispatch = 0x7f984ebf9bd0 <gst_bus_source_dispatch>
        prev_source = 0x0
        was_in_call = 0
        user_data = 0x0
        callback = 0x7f984ebf8e20 <gst_bus_async_signal_func>
        cb_funcs = 0x7f986fc65280 <g_source_callback_funcs>
        cb_data = 0x556536e2b220
        need_destroy = <optimized out>
        source = 0x556536bdd290
        current = 0x556536110900
        i = 0
        current = <optimized out>
        i = <optimized out>
        source = <optimized out>
        _g_boolean_var_ = <optimized out>
        was_in_call = <optimized out>
        user_data = <optimized out>
        callback = <optimized out>
        cb_funcs = <optimized out>
        cb_data = <optimized out>
        need_destroy = <optimized out>
        dispatch = <optimized out>
        prev_source = <optimized out>
        _g_boolean_var_ = <optimized out>
#32 g_main_context_dispatch (context=context@entry=0x556536104dd0) at ../../../../glib/gmain.c:3830
No locals.
#33 0x00007f986f99d4c0 in g_main_context_iterate (context=context@entry=0x556536104dd0, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at ../../../../glib/gmain.c:3903
        max_priority = 2147483647
        timeout = 497
        some_ready = 1
        nfds = <optimized out>
        allocated_nfds = 4
        fds = 0x556536979dd0
#34 0x00007f986f99d54c in g_main_context_iteration (context=context@entry=0x556536104dd0, may_block=may_block@entry=1) at ../../../../glib/gmain.c:3964
        retval = <optimized out>
#35 0x00007f986dc90d0d in g_application_run (application=0x5565360e7120, argc=<optimized out>, argv=<optimized out>) at ../../../../gio/gapplication.c:2470
        arguments = 0x5565360e6490
        status = 0
        context = 0x556536104dd0
        acquired_context = <optimized out>
        __func__ = "g_application_run"
#36 0x00005565341ec84c in main (argc=2, argv=0x7ffc737f7968) at ../src/nautilus-main.c:102
        retval = <optimized out>
        application = 0x5565360e7120