Comment # 15 on bug 1017652 from Brett Wilson

Here's a new GDB output for my system with all the debug packages installed:

(gdb) bt
#0  0x00007f4fef626587 in socket () at ../sysdeps/unix/syscall-template.S:84
#1  0x00007f4fe9a83384 in udev_monitor_new_from_netlink_fd
(udev=0x7f4fc415cfe0, name=<optimized out>, name@entry=0x7f4feb70efbf "udev",
fd=fd@entry=-1) at src/libudev/libudev-monitor.c:207
#2  0x00007f4fe9a8343a in udev_monitor_new_from_netlink (udev=<optimized out>,
name=name@entry=0x7f4feb70efbf "udev") at src/libudev/libudev-monitor.c:252
#3  0x00007f4feb70c3a2 in g_udev_client_constructed (object=0x7f4fc4144460
[GUdevClient]) at gudev/gudevclient.c:196
#4  0x00007f4fefe240d7 in g_object_new_internal
(class=class@entry=0x7f4fc415ccc0, params=params@entry=0x7f4fd6265390,
n_params=n_params@entry=1) at gobject.c:1823
#5  0x00007f4fefe25a6e in g_object_new_valist
(object_type=object_type@entry=139980568906672,
first_property_name=first_property_name@entry=0x7f4feb70ef7e "subsystems",
var_args=var_args@entry=0x7f4fd62654e0)
    at gobject.c:2042
#6  0x00007f4fefe25d11 in g_object_new
(object_type=object_type@entry=139980568906672,
first_property_name=first_property_name@entry=0x7f4feb70ef7e "subsystems") at
gobject.c:1626
#7  0x00007f4feb70c537 in g_udev_client_new
(subsystems=subsystems@entry=0x7f4fd5859ba0 <subsystems>) at
gudev/gudevclient.c:332
#8  0x00007f4fd5646d3a in gst_v4l2_iterator_new () at v4l2-utils.c:51
#9  0x00007f4fd5624a53 in plugin_init (plugin=0x7f4fc4142420 [GstPlugin]) at
gstv4l2.c:124
#10 0x00007f4fd5624a53 in plugin_init (plugin=0x7f4fc4142420 [GstPlugin]) at
gstv4l2.c:233
#11 0x00007f4fd6cc70f7 in gst_plugin_register_func (plugin=0x7f4fc4142420
[GstPlugin], desc=0x7f4fd5859b00 <gst_plugin_desc>, user_data=0x0) at
gstplugin.c:523
#12 0x00007f4fd6cc9068 in _priv_gst_plugin_load_file_for_registry
(filename=filename@entry=0x7f4fc414cf60
"/usr/lib64/gstreamer-1.0/libgstvideo4linux2.so", registry=0x6e6f50
[GstRegistry], error=error@entry=0x0) at gstplugin.c:826
#13 0x00007f4fd6cd5c0e in gst_registry_scan_plugin_file
(context=context@entry=0x7f4fd6265a70, filename=filename@entry=0x7f4fc414cf60
"/usr/lib64/gstreamer-1.0/libgstvideo4linux2.so", file_size=259088,
file_mtime=1481275252) at gstregistry.c:1194
#14 0x00007f4fd6cd6d01 in gst_registry_scan_path_level
(context=context@entry=0x7f4fd6265a70, path=path@entry=0x7f4fd6d2f7bc
"/usr/lib64/gstreamer-1.0", level=level@entry=10) at gstregistry.c:1352
#15 0x00007f4fd6cd6ed6 in gst_registry_scan_path_internal
(context=context@entry=0x7f4fd6265a70, path=path@entry=0x7f4fd6d2f7bc
"/usr/lib64/gstreamer-1.0") at gstregistry.c:1379
#16 0x00007f4fd6cd8b24 in gst_update_registry (write_changes=1,
error=0x7f4fd6265a68, registry_file=0x7f4fc400fe70
"/home/bwilson30/.cache/gstreamer-1.0/registry.x86_64.bin",
default_registry=0x6e6f50 [GstRegistry]) at gstregistry.c:1675
#17 0x00007f4fd6cd8b24 in gst_update_registry (error=0x7f4fd6265a68) at
gstregistry.c:1767
#18 0x00007f4fd6cd8b24 in gst_update_registry () at gstregistry.c:1843
#19 0x00007f4fd6c7341e in init_post (context=<optimized out>, group=<optimized
out>, data=<optimized out>, error=<optimized out>) at gst.c:716
#20 0x00007f4fefb51998 in g_option_context_parse
(context=context@entry=0x7f4fc40089c0, argc=argc@entry=0x0,
argv=argv@entry=0x0, error=error@entry=0x7f4fd6265be0) at goption.c:2165
#21 0x00007f4fd6c73def in gst_init_check (argc=0x0, argv=0x0,
err=0x7f4fd6265be0) at gst.c:353
#22 0x00007f4fd6c73e44 in gst_init (argc=argc@entry=0x0, argv=argv@entry=0x0)
at gst.c:399
#23 0x00007f4fd75fa34b in tracker_extract_gstreamer
(uri=uri@entry=0x7f4fc4008af0
"file:///home/bwilson30/Music/Compilations/What%20a%20Girl%20Wants/12%20Rock%20and%20Roll,%20Hootchie%20Koo.m4a",
info=info@entry=0x829590, type=type@entry=EXTRACT_MIME_AUDIO) at
tracker-extract-gstreamer.c:1341
#24 0x00007f4fd75fbb59 in tracker_extract_get_metadata (info=0x829590) at
tracker-extract-gstreamer.c:1470
#25 0x000000000040ba86 in get_file_metadata (task=task@entry=0x7f4fd0004050,
info_out=info_out@entry=0x7f4fd6265d10) at tracker-extract.c:326
#26 0x000000000040bb53 in get_metadata (task=0x7f4fd0004050) at
tracker-extract.c:510
#27 0x000000000040bbb0 in single_thread_get_metadata (queue=0x82ab40) at
tracker-extract.c:538
#28 0x00007f4fefb6d1d5 in g_thread_proxy (data=0x6ce800) at gthread.c:784
#29 0x00007f4fef8e2454 in start_thread (arg=0x7f4fd6266700) at
pthread_create.c:333
#30 0x00007f4fef62537f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:105
(gdb)