The program being debugged has been started already.
Start it from the beginning? (y or n) Starting program: /usr/lib/tumbler-1/tumblerd 
warning: no loadable sections found in added symbol-file system-supplied DSO at 0x7ffff7ffa000
warning: Could not load shared library symbols for linux-vdso.so.1.
Do you need "set solib-search-path" or "set sysroot"?
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/usr/lib/libthread_db.so.1".
[New Thread 0x7fffe9cef700 (LWP 12767)]
[New Thread 0x7fffe90ca700 (LWP 12768)]
[New Thread 0x7fffe88c9700 (LWP 12769)]

Program received signal SIGSEGV, Segmentation fault.
tumbler_registry_get_thumbnailer_array (registry=0x62a800, infos=infos@entry=0x6e6f80, 
    length=<optimized out>) at tumbler-registry.c:491
491	          if (!tumbler_thumbnailer_supports_location (lp->data, gfile))
#0  tumbler_registry_get_thumbnailer_array (registry=0x62a800, infos=infos@entry=0x6e6f80, 
    length=<optimized out>) at tumbler-registry.c:491
        thumbnailers = 0x6f0770
        hash_key = 0x6e4660 "file-video/x-msvideo"
        scheme = 0x6e4500 "file"
        n = 0
        lp = 0x0
        gfile = 0x62dda0
        file_size = 0
        max_file_size = 0
        __PRETTY_FUNCTION__ = "tumbler_registry_get_thumbnailer_array"
#1  0x000000000040d335 in tumbler_service_queue (service=0x692120, uris=0x6f1740, 
    mime_hints=<optimized out>, flavor_name=<optimized out>, 
    scheduler_name=0x6e6f60 "foreground", handle_to_dequeue=0, context=0x6d5320)
    at tumbler-service.c:816
        scheduler_request = <optimized out>
        flavor = 0x7fffe4008d60
        thumbnailers = <optimized out>
        scheduler = 0x0
        infos = 0x6e6f80
        cache = 0x6cc000
        iter = <optimized out>
        name = <optimized out>
        origin = <optimized out>
        handle = <optimized out>
        length = 14
#2  0x000000000040bea1 in dbus_glib_marshal_tumbler_service_VOID__BOXED_BOXED_STRING_STRING_UINT_POINTER (closure=0x7fffffffe0b0, return_value=0x61f398, n_param_values=226, 
    param_values=0x6f8280, invocation_hint=0x67adc0, 
    marshal_data=0x40d1f0 <tumbler_service_queue>)
    at ../tumblerd/tumbler-service-dbus-bindings.h:107
        data1 = 0x692120
        data2 = 0x0
#3  0x00007ffff7bc194d in ?? () from /usr/lib/libdbus-glib-1.so.2
No symbol table info available.
#4  0x00007ffff798a546 in ?? () from /usr/lib/libdbus-1.so.3
No symbol table info available.
#5  0x00007ffff797d0f1 in dbus_connection_dispatch () from /usr/lib/libdbus-1.so.3
No symbol table info available.
#6  0x00007ffff7bbee05 in ?? () from /usr/lib/libdbus-glib-1.so.2
No symbol table info available.
#7  0x00007ffff6f00f06 in g_main_context_dispatch () from /usr/lib/libglib-2.0.so.0
No symbol table info available.
#8  0x00007ffff6f01258 in ?? () from /usr/lib/libglib-2.0.so.0
No symbol table info available.
#9  0x00007ffff6f0165a in g_main_loop_run () from /usr/lib/libglib-2.0.so.0
No symbol table info available.
#10 0x0000000000406106 in main (argc=<optimized out>, argv=<optimized out>) at main.c:413
        lifecycle_manager = 0x629430
        provider_factory = 0x628ae0
        connection = 0x625878
        registry = 0x62a800
        manager = 0x67f5d0
        service = 0x692120
        cache_service = 0x67f1c0
        main_loop = <optimized out>
        error = 0x0
        providers = 0x62dea0
        thumbnailers = <optimized out>
        lp = 0x0
        tp = <optimized out>
        retval = 0
        rc = 0x62a880
        file_size = <optimized out>
        priority = <optimized out>
        type_name = <optimized out>
        paths = <optimized out>