Alright, this is what I got durring output.
-----

sys:1: Warning: invalid unclassed pointer in cast to 'GMenuModel'

Program received signal SIGSEGV, Segmentation fault.
0x00007ffff18860b3 in g_menu_model_get_n_items () from /usr/lib/libgio-2.0.so.0
(gdb) bt full
#0  0x00007ffff18860b3 in g_menu_model_get_n_items ()
   from /usr/lib/libgio-2.0.so.0
No symbol table info available.
#1  0x00007ffff7b74e83 in rb_menu_update_link (menu=0xde5af0,
    link_attr=link_attr@entry=0x7ffff7b834b9 "rb-playlist-menu-link",
    target=0xdf8990) at rb-util.c:1334
        mm = 0xde5af0
        i = 0
#2  0x00007ffff7afbc84 in default_show_entry_popup (source=0xd16450)
    at rb-browser-source.c:256
        menu = <optimized out>
        playlist_menu = 0xdf8990
#3  0x00007ffff6c4fb8b in g_cclosure_marshal_VOID__BOOLEANv ()
   from /usr/lib/libgobject-2.0.so.0
No symbol table info available.
#4  0x00007ffff6c4ded4 in ?? () from /usr/lib/libgobject-2.0.so.0
No symbol table info available.
#5  0x00007ffff6c67ab7 in g_signal_emit_valist ()
   from /usr/lib/libgobject-2.0.so.0
No symbol table info available.
#6  0x00007ffff6c6840f in g_signal_emit () from /usr/lib/libgobject-2.0.so.0
No symbol table info available.
#7  0x00007ffff7b2797c in rb_entry_view_button_press_cb (treeview=0xde5af0,
    event=0x7ffff670dc18, view=0xb66990) at rb-entry-view.c:2049
        path = 0xb58b80
        entry = 0xb58b80
#8  0x00007ffff707e58d in ?? () from /usr/lib/libgtk-3.so.0
No symbol table info available.
#9  0x00007ffff6c4dca5 in g_closure_invoke () from /usr/lib/libgobject-2.0.so.0
No symbol table info available.
#10 0x00007ffff6c5f19c in ?? () from /usr/lib/libgobject-2.0.so.0
No symbol table info available.
#11 0x00007ffff6c67cb5 in g_signal_emit_valist ()
   from /usr/lib/libgobject-2.0.so.0
No symbol table info available.
#12 0x00007ffff6c6840f in g_signal_emit () from /usr/lib/libgobject-2.0.so.0
No symbol table info available.
#13 0x00007ffff71af344 in ?? () from /usr/lib/libgtk-3.so.0
No symbol table info available.
#14 0x00007ffff707bfee in ?? () from /usr/lib/libgtk-3.so.0
No symbol table info available.
#15 0x00007ffff707dbae in gtk_main_do_event () from /usr/lib/libgtk-3.so.0
No symbol table info available.
#16 0x00007ffff334f3f2 in ?? () from /usr/lib/libgdk-3.so.0
No symbol table info available.
#17 0x00007ffff697a80d in g_main_context_dispatch ()
   from /usr/lib/libglib-2.0.so.0
No symbol table info available.
#18 0x00007ffff697aaf8 in ?? () from /usr/lib/libglib-2.0.so.0
No symbol table info available.
#19 0x00007ffff697abac in g_main_context_iteration ()
   from /usr/lib/libglib-2.0.so.0
No symbol table info available.
#20 0x00007ffff187dfcc in g_application_run () from /usr/lib/libgio-2.0.so.0
No symbol table info available.
#21 0x00007ffff7ad3185 in rb_application_run (app=0x65d180, argc=argc@entry=1,
    argv=argv@entry=0x7fffffffe968) at rb-application.c:646
        context = <optimized out>
        debug = 0
        debug_match = 0x0
        nargc = 1
        nargv = 0x7fffffffe968
        error = 0x0
        options = {{long_name = 0x7ffff7b9e82a "debug", short_name = 100 'd',
            flags = 0, arg = G_OPTION_ARG_NONE, arg_data = 0x7fffffffe660,
            description = 0x7ffff7b7e6ed "Enable debug output",
            arg_description = 0x0}, {long_name = 0x7ffff7b9e832 "debug-match",
            short_name = 68 'D', flags = 0, arg = G_OPTION_ARG_STRING,
            arg_data = 0x7fffffffe668,
            description = 0x7ffff7b7f180 "Enable debug output matching a specified string", arg_description = 0x0}, {long_name = 0x7ffff7b7e701 "no-update",
            short_name = 0 '\000', flags = 0, arg = G_OPTION_ARG_NONE,
            arg_data = 0x65d074,
            description = 0x7ffff7b7f1b0 "Do not update the library with file changes", arg_description = 0x0}, {long_name = 0x7ffff7b7e70b "no-registration",
            short_name = 110 'n', flags = 0, arg = G_OPTION_ARG_NONE,
            arg_data = 0x65d078,
            description = 0x7ffff7b7e71b "Do not register the shell",
            arg_description = 0x0}, {long_name = 0x7ffff7b7e735 "dry-run",
            short_name = 0 '\000', flags = 0, arg = G_OPTION_ARG_NONE,
            arg_data = 0x65d07c,
            description = 0x7ffff7b7f1e0 "Don't save any data permanently (implies --no-registration)", arg_description = 0x0}, {
            long_name = 0x7ffff7b7e73d "disable-plugins",
            short_name = 0 '\000', flags = 0, arg = G_OPTION_ARG_NONE,
            arg_data = 0x65d080,
            description = 0x7ffff7b7e74d "Disable loading of plugins",
            arg_description = 0x0}, {
            long_name = 0x7ffff7b7e768 "rhythmdb-file", short_name = 0 '\000',
            flags = 0, arg = G_OPTION_ARG_STRING, arg_data = 0x65d088,
            description = 0x7ffff7b7e776 "Path for database file to use",
            arg_description = 0x0}, {
            long_name = 0x7ffff7b7e794 "playlists-file",
            short_name = 0 '\000', flags = 0, arg = G_OPTION_ARG_STRING,
            arg_data = 0x65d090,
            description = 0x7ffff7b7f220 "Path for playlists file to use",
            arg_description = 0x0}, {long_name = 0x0, short_name = 0 '\000',
            flags = 0, arg = G_OPTION_ARG_NONE, arg_data = 0x0,
            description = 0x0, arg_description = 0x0}}
#22 0x0000000000400d0a in main (argc=1, argv=0x7fffffffe968) at main.c:89
        app = 0x65d180
        rc = <optimized out>
(gdb)

---

then it return to the gdb command line, issuing "bt full" returns:

#0  0x00007ffff18860b3 in g_menu_model_get_n_items ()
   from /usr/lib/libgio-2.0.so.0
No symbol table info available.
#1  0x00007ffff7b74e83 in rb_menu_update_link (menu=0xde5af0,
    link_attr=link_attr@entry=0x7ffff7b834b9 "rb-playlist-menu-link",
    target=0xdf8990) at rb-util.c:1334
        mm = 0xde5af0
        i = 0
#2  0x00007ffff7afbc84 in default_show_entry_popup (source=0xd16450)
    at rb-browser-source.c:256
        menu = <optimized out>
        playlist_menu = 0xdf8990
#3  0x00007ffff6c4fb8b in g_cclosure_marshal_VOID__BOOLEANv ()
   from /usr/lib/libgobject-2.0.so.0
No symbol table info available.
#4  0x00007ffff6c4ded4 in ?? () from /usr/lib/libgobject-2.0.so.0
No symbol table info available.
#5  0x00007ffff6c67ab7 in g_signal_emit_valist ()
   from /usr/lib/libgobject-2.0.so.0
No symbol table info available.
#6  0x00007ffff6c6840f in g_signal_emit () from /usr/lib/libgobject-2.0.so.0
No symbol table info available.
#7  0x00007ffff7b2797c in rb_entry_view_button_press_cb (treeview=0xde5af0,
    event=0x7ffff670dc18, view=0xb66990) at rb-entry-view.c:2049
        path = 0xb58b80
        entry = 0xb58b80
#8  0x00007ffff707e58d in ?? () from /usr/lib/libgtk-3.so.0
No symbol table info available.
#9  0x00007ffff6c4dca5 in g_closure_invoke () from /usr/lib/libgobject-2.0.so.0
No symbol table info available.
#10 0x00007ffff6c5f19c in ?? () from /usr/lib/libgobject-2.0.so.0
No symbol table info available.
#11 0x00007ffff6c67cb5 in g_signal_emit_valist ()
   from /usr/lib/libgobject-2.0.so.0
No symbol table info available.
#12 0x00007ffff6c6840f in g_signal_emit () from /usr/lib/libgobject-2.0.so.0
No symbol table info available.
#13 0x00007ffff71af344 in ?? () from /usr/lib/libgtk-3.so.0
No symbol table info available.
#14 0x00007ffff707bfee in ?? () from /usr/lib/libgtk-3.so.0
No symbol table info available.
#15 0x00007ffff707dbae in gtk_main_do_event () from /usr/lib/libgtk-3.so.0
No symbol table info available.
#16 0x00007ffff334f3f2 in ?? () from /usr/lib/libgdk-3.so.0
No symbol table info available.
#17 0x00007ffff697a80d in g_main_context_dispatch ()
   from /usr/lib/libglib-2.0.so.0
No symbol table info available.
#18 0x00007ffff697aaf8 in ?? () from /usr/lib/libglib-2.0.so.0
No symbol table info available.
#19 0x00007ffff697abac in g_main_context_iteration ()
   from /usr/lib/libglib-2.0.so.0
No symbol table info available.
#20 0x00007ffff187dfcc in g_application_run () from /usr/lib/libgio-2.0.so.0
No symbol table info available.
#21 0x00007ffff7ad3185 in rb_application_run (app=0x65d180, argc=argc@entry=1,
    argv=argv@entry=0x7fffffffe968) at rb-application.c:646
        context = <optimized out>
        debug = 0
        debug_match = 0x0
        nargc = 1
        nargv = 0x7fffffffe968
        error = 0x0
        options = {{long_name = 0x7ffff7b9e82a "debug", short_name = 100 'd',
            flags = 0, arg = G_OPTION_ARG_NONE, arg_data = 0x7fffffffe660,
            description = 0x7ffff7b7e6ed "Enable debug output",
            arg_description = 0x0}, {long_name = 0x7ffff7b9e832 "debug-match",
            short_name = 68 'D', flags = 0, arg = G_OPTION_ARG_STRING,
            arg_data = 0x7fffffffe668,
            description = 0x7ffff7b7f180 "Enable debug output matching a specified string", arg_description = 0x0}, {long_name = 0x7ffff7b7e701 "no-update",
            short_name = 0 '\000', flags = 0, arg = G_OPTION_ARG_NONE,
            arg_data = 0x65d074,
            description = 0x7ffff7b7f1b0 "Do not update the library with file changes", arg_description = 0x0}, {long_name = 0x7ffff7b7e70b "no-registration",
            short_name = 110 'n', flags = 0, arg = G_OPTION_ARG_NONE,
            arg_data = 0x65d078,
            description = 0x7ffff7b7e71b "Do not register the shell",
            arg_description = 0x0}, {long_name = 0x7ffff7b7e735 "dry-run",
            short_name = 0 '\000', flags = 0, arg = G_OPTION_ARG_NONE,
            arg_data = 0x65d07c,
            description = 0x7ffff7b7f1e0 "Don't save any data permanently (implies --no-registration)", arg_description = 0x0}, {
            long_name = 0x7ffff7b7e73d "disable-plugins",
            short_name = 0 '\000', flags = 0, arg = G_OPTION_ARG_NONE,
            arg_data = 0x65d080,
            description = 0x7ffff7b7e74d "Disable loading of plugins",
            arg_description = 0x0}, {
            long_name = 0x7ffff7b7e768 "rhythmdb-file", short_name = 0 '\000',
            flags = 0, arg = G_OPTION_ARG_STRING, arg_data = 0x65d088,
            description = 0x7ffff7b7e776 "Path for database file to use",
            arg_description = 0x0}, {
            long_name = 0x7ffff7b7e794 "playlists-file",
            short_name = 0 '\000', flags = 0, arg = G_OPTION_ARG_STRING,
            arg_data = 0x65d090,
            description = 0x7ffff7b7f220 "Path for playlists file to use",
            arg_description = 0x0}, {long_name = 0x0, short_name = 0 '\000',
            flags = 0, arg = G_OPTION_ARG_NONE, arg_data = 0x0,
            description = 0x0, arg_description = 0x0}}
#22 0x0000000000400d0a in main (argc=1, argv=0x7fffffffe968) at main.c:89
        app = 0x65d180
        rc = <optimized out>


That may be redundant backtrace output, I'm not sure what I'm doing with gdb.  Meanwhile, i'm using Adacious to play my music and I'm not using gnome at all ( running everything from Cinnamon ).