.
Thread 14 (LWP 554):
#0  0x00007f91d847f3cd in ?? ()
No symbol table info available.
#1  0x0000000000000000 in ?? ()
No symbol table info available.
.
Thread 13 (LWP 553):
#0  0x00007f91d8765ca4 in ?? ()
No symbol table info available.
#1  0x0000000000000000 in ?? ()
No symbol table info available.
.
Thread 12 (LWP 552):
#0  0x00007f91d8765ca4 in ?? ()
No symbol table info available.
#1  0x0000000000000000 in ?? ()
No symbol table info available.
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Thread 11 (LWP 551):
#0  0x00007f91d8765ca4 in ?? ()
No symbol table info available.
#1  0x0000000000000000 in ?? ()
No symbol table info available.
.
Thread 10 (LWP 550):
#0  0x00007f91d8765ca4 in ?? ()
No symbol table info available.
#1  0x0000000000000000 in ?? ()
No symbol table info available.
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Thread 9 (LWP 549):
#0  0x00007f91d8765ca4 in ?? ()
No symbol table info available.
#1  0x0000000000000000 in ?? ()
No symbol table info available.
.
Thread 8 (LWP 548):
#0  0x00007f91d8765ca4 in ?? ()
No symbol table info available.
#1  0x0000000000000000 in ?? ()
No symbol table info available.
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Thread 7 (LWP 547):
#0  0x00007f91d8765ca4 in ?? ()
No symbol table info available.
#1  0x0000000000000000 in ?? ()
No symbol table info available.
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Thread 6 (LWP 546):
#0  0x00007f91d8765ca4 in ?? ()
No symbol table info available.
#1  0x0000000000000000 in ?? ()
No symbol table info available.
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Thread 5 (LWP 545):
#0  0x00007f91d8765ca4 in ?? ()
No symbol table info available.
#1  0x0000000000000000 in ?? ()
No symbol table info available.
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Thread 4 (LWP 544):
#0  0x00007f91d8765ca4 in ?? ()
No symbol table info available.
#1  0x0000000000000000 in ?? ()
No symbol table info available.
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Thread 3 (LWP 543):
#0  0x00007f91d847f3cd in ?? ()
No symbol table info available.
#1  0x0000000000000000 in ?? ()
No symbol table info available.
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Thread 2 (LWP 542):
#0  0x00007f91d847f3cd in ?? ()
No symbol table info available.
#1  0x0000000000000000 in ?? ()
No symbol table info available.
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Thread 1 (LWP 541):
#0  0x00007f91c53d599d in ?? () from /tmp/apport_sandbox_TrUQKJ/usr/lib/x86_64-linux-gnu/libvorbis.so.0
No symbol table info available.
#1  0x00007f91c53d6555 in vorbis_synthesis_headerin () from /tmp/apport_sandbox_TrUQKJ/usr/lib/x86_64-linux-gnu/libvorbis.so.0
No symbol table info available.
#2  0x00007f91c55f5789 in ?? () from /tmp/apport_sandbox_TrUQKJ/usr/lib/x86_64-linux-gnu/libvorbisfile.so.3
No symbol table info available.
#3  0x00007f91c55f66b3 in ?? () from /tmp/apport_sandbox_TrUQKJ/usr/lib/x86_64-linux-gnu/libvorbisfile.so.3
No symbol table info available.
#4  0x00007f91c55f70f5 in ov_open_callbacks () from /tmp/apport_sandbox_TrUQKJ/usr/lib/x86_64-linux-gnu/libvorbisfile.so.3
No symbol table info available.
#5  0x00007f91c55f71a8 in ov_open () from /tmp/apport_sandbox_TrUQKJ/usr/lib/x86_64-linux-gnu/libvorbisfile.so.3
No symbol table info available.
#6  0x00007f91cc1d172b in tracker_extract_get_metadata (info=<optimized out>) at tracker-extract-vorbis.c:118
        preupdate = 0x6c8080
        metadata = 0x6c8000
        vd = {title = 0x0, artist = 0x0, album = 0x0, album_artist = 0x0, track_count = <optimized out>, track_number = <optimized out>, disc_number = <optimized out>, performer = <optimized out>, track_gain = <optimized out>, track_peak_gain = <optimized out>, album_gain = <optimized out>, album_peak_gain = <optimized out>, date = <optimized out>, comment = <optimized out>, genre = <optimized out>, codec = <optimized out>, codec_version = <optimized out>, sample_rate = <optimized out>, channels = <optimized out>, mb_album_id = <optimized out>, mb_artist_id = <optimized out>, mb_album_artist_id = <optimized out>, mb_track_id = <optimized out>, lyrics = <optimized out>, copyright = <optimized out>, license = <optimized out>, organization = <optimized out>, location = <optimized out>, publisher = <optimized out>}
        md = {creator = 0x0, creator_uri = 0x0}
        f = 0x6c8c00
        filename = <optimized out>
        vf = {datasource = 0x6c8c00, seekable = 1, offset = 113504, end = 0, oy = {data = 0x6cc130 "OggS", storage = 12230, fill = 7783, returned = 6599, unsynced = 0, headerbytes = 0, bodybytes = 0}, links = 1, offsets = 0x0, dataoffsets = 0x0, serialnos = 0x0, pcmlengths = 0x0, vi = 0x6bfd20, vc = 0x67cc40, pcm_offset = 0, ready_state = 3, current_serialno = 0, current_link = 0, bittrack = 0, samptrack = 0, os = {body_data = 0x6cf100 "\003vorbis*", body_storage = 115794, body_fill = 112626, body_returned = 112626, lacing_vals = 0x6c8e40, granule_vals = 0x6c9e50, lacing_storage = 1024, lacing_fill = 442, lacing_packet = 442, lacing_returned = 442, header = '\000' <repeats 281 times>, header_fill = 0, e_o_s = 0, b_o_s = 0, serialno = 1910695326, pageno = 15, packetno = 2, granulepos = 0}, vd = {analysisp = 0, vi = 0x0, pcm = 0x0, pcmret = 0x0, pcm_storage = 0, pcm_current = 0, pcm_returned = 0, preextrapolate = 0, eofflag = 0, lW = 0, W = 0, nW = 0, centerW = 0, granulepos = 0, sequence = 0, glue_bits = 0, time_bits = 0, floor_bits = 0, res_bits = 0, backend_state = 0x0}, vb = {pcm = 0x0, opb = {endbyte = 0, endbit = 0, buffer = 0x0, ptr = 0x0, storage = 0}, lW = 0, W = 0, nW = 0, pcmend = 0, mode = 0, eofflag = 0, granulepos = 0, sequence = 0, vd = 0x0, localstore = 0x0, localtop = 0, localalloc = 0, totaluse = 0, reap = 0x0, glue_bits = 0, time_bits = 0, floor_bits = 0, res_bits = 0, internal = 0x0}, callbacks = {read_func = 0x7f91d8401900, seek_func = 0x7f91c55f5410, close_func = 0x7f91d8400920, tell_func = 0x7f91d8401c30}}
        comment = <optimized out>
        vi = <optimized out>
        bitrate = <optimized out>
        time = <optimized out>
        file = <optimized out>
        graph = <optimized out>
#7  0x0000000000409734 in get_file_metadata (task=task@entry=0x7f91c000a800, info_out=info_out@entry=0x7fffc115a0d8) at tracker-extract.c:375
        statements = <optimized out>
        info = 0x6a7380
        file = <optimized out>
        mime_used = 0x6bec90 "audio/x-vorbis+ogg"
        items = 0
#8  0x0000000000409bed in get_metadata (task=task@entry=0x7f91c000a800) at tracker-extract.c:588
        info = <optimized out>
#9  0x0000000000409f7a in dispatch_task_cb (task=0x7f91c000a800) at tracker-extract.c:721
        thread_awareness = TRACKER_MODULE_MAIN_THREAD
        priv = 0x7f91c8003730
        error = 0x0
        module = 0x6916e0
#10 0x00007f91d89bff05 in ?? ()
No symbol table info available.
#11 0x00000000000000c8 in ?? ()
No symbol table info available.
#12 0x00007fffc115a170 in ?? ()
No symbol table info available.
#13 0x00007f91d89bcca0 in ?? ()
No symbol table info available.
#14 0x00000000d89bfd1a in ?? ()
No symbol table info available.
#15 0x00007f91c000a800 in ?? ()
No symbol table info available.
#16 0x0000000000409ca0 in ?? () at tracker-extract.c:627
        tracker_extract_parent_class = 0x663360
#17 0x00007f91c00079a0 in ?? ()
No symbol table info available.
#18 0x0000000000000000 in ?? ()
No symbol table info available.