#0  sem_post@@GLIBC_2.1 () at ../nptl/sysdeps/unix/sysv/linux/i386/i686/../i486/sem_post.S:41
No locals.
#1  0xaafbc5fb in PyThread_release_lock () from /tmp/apport_sandbox_ojfKPQ/usr/lib/i386-linux-gnu/libpython2.7.so.1.0
No symbol table info available.
#2  0xaafbc63d in PyEval_ReleaseLock () from /tmp/apport_sandbox_ojfKPQ/usr/lib/i386-linux-gnu/libpython2.7.so.1.0
No symbol table info available.
#3  0xaafbd241 in PyThreadState_DeleteCurrent () from /tmp/apport_sandbox_ojfKPQ/usr/lib/i386-linux-gnu/libpython2.7.so.1.0
No symbol table info available.
#4  0xaafbe77d in PyGILState_Release () from /tmp/apport_sandbox_ojfKPQ/usr/lib/i386-linux-gnu/libpython2.7.so.1.0
No symbol table info available.
#5  0xaad9f421 in pygi_signal_closure_marshal (closure=0x9eb2dd0, return_value=0x9cafe750, n_param_values=3, param_values=0x9cafe7c0, invocation_hint=0x9cafe76c, marshal_data=0x0) at ../../gi/pygi-signal-closure.c:171
        state = <optimized out>
        pc = <optimized out>
        params = 0xa3a20f4
        ret = <optimized out>
        i = <optimized out>
        signal_info = <optimized out>
        n_sig_info_args = <optimized out>
        sig_info_highest_arg = <optimized out>
        __PRETTY_FUNCTION__ = "pygi_signal_closure_marshal"
#6  0xb74949ce in g_closure_invoke (closure=0x9eb2dd0, return_value=return_value@entry=0x9cafe750, n_param_values=3, param_values=param_values@entry=0x9cafe7c0, invocation_hint=invocation_hint@entry=0x9cafe76c) at /build/buildd/glib2.0-2.37.3/./gobject/gclosure.c:777
        marshal = 0xaad9f1f0 <pygi_signal_closure_marshal>
        marshal_data = 0x0
        in_marshal = 0
        real_closure = 0x9eb2dc0
        __PRETTY_FUNCTION__ = "g_closure_invoke"
#7  0xb74a8029 in signal_emit_unlocked_R (node=node@entry=0x9ae8e00, detail=0, instance=0x9aa0eb8, emission_return=emission_return@entry=0x9cafe870, instance_and_params=0x9cafe7c0) at /build/buildd/glib2.0-2.37.3/./gobject/gsignal.c:3582
        tmp = <optimized out>
        handler = 0x9e79c40
        accumulator = 0x9ae5978
        emission = {next = 0x9cafeab4, instance = 0x9aa0eb8, ihint = {signal_id = 305, detail = 0, run_type = G_SIGNAL_RUN_FIRST}, state = EMISSION_RUN, chain_type = 4}
        handler_list = 0x9e79c40
        return_accu = 0x9cafe750
        accu = {g_type = 20, data = {{v_int = 1, v_uint = 1, v_long = 1, v_ulong = 1, v_int64 = 1, v_uint64 = 1, v_float = 1.40129846e-45, v_double = 4.9406564584124654e-324, v_pointer = 0x1}, {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 = 305
        max_sequential_handler_number = 26039
        return_value_altered = 0
#8  0xb74af4f6 in g_signal_emit_valist (instance=instance@entry=0x9aa0eb8, signal_id=signal_id@entry=305, detail=detail@entry=0, var_args=0x9cafe924 "D\351\257\234%Dp\267\001", var_args@entry=0x9cafe91c "03\251\nM-\333QD\351\257\234%Dp\267\001") at /build/buildd/glib2.0-2.37.3/./gobject/gsignal.c:3336
        return_value = {g_type = 20, 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}}}
        error = 0x0
        instance_and_params = 0x9cafe7c0
        signal_return_type = <optimized out>
        param_values = 0x9cafe7d4
        i = <optimized out>
        n_params = <optimized out>
        __PRETTY_FUNCTION__ = "g_signal_emit_valist"
#9  0xb74b0013 in g_signal_emit (instance=instance@entry=0x9aa0eb8, signal_id=305, detail=detail@entry=0) at /build/buildd/glib2.0-2.37.3/./gobject/gsignal.c:3382
        var_args = 0x9cafe91c "03\251\nM-\333QD\351\257\234%Dp\267\001"
#10 0xb769a88b in rb_ext_db_request (store=0x9aa0eb8, key=key@entry=0xa8621d0, callback=callback@entry=0xb76a50d0 <art_cb>, user_data=0x9b39120, destroy=0xb74992b0 <g_object_unref>) at rb-ext-db.c:739
        req = <optimized out>
        result = 0
        last_time = 1373318477
        tdbvalue = <optimized out>
        filename = <optimized out>
        l = <optimized out>
        emit_request = <optimized out>
        __FUNCTION__ = "rb_ext_db_request"
#11 0xb76a5d32 in rb_header_playing_song_changed_cb (player=player@entry=0x9afb080, entry=0xa5e1e30, header=header@entry=0x9b39120) at rb-header.c:502
        key = 0xa8621d0
#12 0xb749761c in g_cclosure_marshal_VOID__BOXED (closure=0x9a35ff0, return_value=0x0, n_param_values=2, param_values=0x9cafeb10, invocation_hint=0x9cafeabc, marshal_data=0x0) at /build/buildd/glib2.0-2.37.3/./gobject/gmarshal.c:1120
        callback = 0xb76a5c60 <rb_header_playing_song_changed_cb>
        cc = 0x9a35ff0
        data1 = 0x9afb080
        data2 = 0x9b39120
        __PRETTY_FUNCTION__ = "g_cclosure_marshal_VOID__BOXED"
#13 0xb74949ce in g_closure_invoke (closure=0x9a35ff0, return_value=return_value@entry=0x0, n_param_values=2, param_values=param_values@entry=0x9cafeb10, invocation_hint=invocation_hint@entry=0x9cafeabc) at /build/buildd/glib2.0-2.37.3/./gobject/gclosure.c:777
        marshal = 0xb7497590 <g_cclosure_marshal_VOID__BOXED>
        marshal_data = 0x0
        in_marshal = 0
        real_closure = 0x9a35fe0
        __PRETTY_FUNCTION__ = "g_closure_invoke"
#14 0xb74a8029 in signal_emit_unlocked_R (node=node@entry=0x9afa468, detail=0, instance=0x9afb080, emission_return=emission_return@entry=0x0, instance_and_params=0x9cafeb10) at /build/buildd/glib2.0-2.37.3/./gobject/gsignal.c:3582
        tmp = <optimized out>
        handler = 0x9b35560
        accumulator = 0x0
        emission = {next = 0x9cafed94, instance = 0x9afb080, ihint = {signal_id = 331, detail = 0, run_type = G_SIGNAL_RUN_FIRST}, state = EMISSION_RUN, chain_type = 4}
        handler_list = 0x9b35560
        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 = 331
        max_sequential_handler_number = 26039
        return_value_altered = 0
#15 0xb74afdc9 in g_signal_emit_valist (instance=instance@entry=0x9afb080, signal_id=signal_id@entry=331, detail=detail@entry=0, var_args=0x9cafec60 "2sp\267\304>]\np\320\257\tK\001", var_args@entry=0x9cafec5c "0\036^\n2sp\267\304>]\np\320\257\tK\001") at /build/buildd/glib2.0-2.37.3/./gobject/gsignal.c:3326
        instance_and_params = 0x9cafeb10
        signal_return_type = <optimized out>
        param_values = 0x9cafeb24
        i = <optimized out>
        n_params = <optimized out>
        __PRETTY_FUNCTION__ = "g_signal_emit_valist"
#16 0xb74b0013 in g_signal_emit (instance=0x9afb080, signal_id=signal_id@entry=331, detail=detail@entry=0) at /build/buildd/glib2.0-2.37.3/./gobject/gsignal.c:3382
        var_args = 0x9cafec5c "0\036^\n2sp\267\304>]\np\320\257\tK\001"
#17 0xb76591e3 in playing_stream_cb (mmplayer=mmplayer@entry=0x9afd468, entry=0xa5e1e30, player=player@entry=0x9afb080) at rb-shell-player.c:2528
        location = 0xa5d3ec4 "cdda:///dev/sr0#2"
        entry_changed = <optimized out>
        __PRETTY_FUNCTION__ = "playing_stream_cb"
        __FUNCTION__ = "playing_stream_cb"
#18 0xb749778c in g_cclosure_marshal_VOID__POINTER (closure=0x9afd070, return_value=0x0, n_param_values=2, param_values=0x9cafedf0, invocation_hint=0x9cafed9c, marshal_data=0x0) at /build/buildd/glib2.0-2.37.3/./gobject/gmarshal.c:1198
        callback = 0xb7659100 <playing_stream_cb>
        cc = 0x9afd070
        data1 = 0x9afd468
        data2 = 0x9afb080
        __PRETTY_FUNCTION__ = "g_cclosure_marshal_VOID__POINTER"
#19 0xb74949ce in g_closure_invoke (closure=0x9afd070, return_value=return_value@entry=0x0, n_param_values=2, param_values=param_values@entry=0x9cafedf0, invocation_hint=invocation_hint@entry=0x9cafed9c) at /build/buildd/glib2.0-2.37.3/./gobject/gclosure.c:777
        marshal = 0xb7497700 <g_cclosure_marshal_VOID__POINTER>
        marshal_data = 0x0
        in_marshal = 0
        real_closure = 0x9afd060
        __PRETTY_FUNCTION__ = "g_closure_invoke"
#20 0xb74a8029 in signal_emit_unlocked_R (node=node@entry=0x9afabd0, detail=0, instance=0x9afd468, emission_return=emission_return@entry=0x0, instance_and_params=0x9cafedf0) at /build/buildd/glib2.0-2.37.3/./gobject/gsignal.c:3582
        tmp = <optimized out>
        handler = 0x9af76c0
        accumulator = 0x0
        emission = {next = 0x0, instance = 0x9afd468, ihint = {signal_id = 341, detail = 0, run_type = G_SIGNAL_RUN_FIRST}, state = EMISSION_RUN, chain_type = 4}
        handler_list = 0x9af76c0
        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 = 341
        max_sequential_handler_number = 26039
        return_value_altered = 0
#21 0xb74afdc9 in g_signal_emit_valist (instance=instance@entry=0x9afd468, signal_id=signal_id@entry=341, detail=detail@entry=0, var_args=0x9cafef40 "0\036^\n\266\017n\267", var_args@entry=0x9cafef3c "0\036^\n0\036^\n\266\017n\267") at /build/buildd/glib2.0-2.37.3/./gobject/gsignal.c:3326
        instance_and_params = 0x9cafedf0
        signal_return_type = <optimized out>
        param_values = 0x9cafee04
        i = <optimized out>
        n_params = <optimized out>
        __PRETTY_FUNCTION__ = "g_signal_emit_valist"
#22 0xb74b0013 in g_signal_emit (instance=instance@entry=0x9afd468, signal_id=341, detail=detail@entry=0) at /build/buildd/glib2.0-2.37.3/./gobject/gsignal.c:3382
        var_args = 0x9cafef3c "0\036^\n0\036^\n\266\017n\267"
#23 0xb76e0fe5 in _rb_player_emit_playing_stream (player=0x9afd468, stream_data=stream_data@entry=0xa5e1e30) at rb-player.c:697
No locals.
#24 0xb76ee55f in emit_playing_stream_and_tags (player=player@entry=0x9afd468, track_change=<optimized out>) at rb-player-gst.c:239
        t = <optimized out>
        __FUNCTION__ = "emit_playing_stream_and_tags"
#25 0xb76eef72 in track_change_done (mp=0x9afd468, error=<optimized out>) at rb-player-gst.c:344
        mp = 0x9afd468
#26 0xb76ef400 in impl_play (player=0x9afd468, play_type=RB_PLAYER_PLAY_REPLACE, crossfade=0, error=0x9caff09c) at rb-player-gst.c:862
        reused = 1
        mp = 0x9afd468
        __PRETTY_FUNCTION__ = "impl_play"
        __FUNCTION__ = "impl_play"
#27 0xb76e0b60 in rb_player_play (player=0x9afd468, play_type=play_type@entry=RB_PLAYER_PLAY_REPLACE, crossfade=0, error=error@entry=0x9caff09c) at rb-player.c:434
        iface = <optimized out>
#28 0xb765a180 in rb_shell_player_open_playlist_url (player=0x9afb080, location=<optimized out>, entry=0xa5e1e30, play_type=RB_PLAYER_PLAY_REPLACE) at rb-shell-player.c:339
        error = 0x0
        __FUNCTION__ = "rb_shell_player_open_playlist_url"
#29 0xb765a2da in open_location_thread (data=0xaa49b68) at rb-shell-player.c:704
        playlist = 0xabc74e90
        playlist_result = TOTEM_PL_PARSER_RESULT_UNHANDLED
        __FUNCTION__ = "open_location_thread"
#30 0xb73ef6da in g_thread_proxy (data=0xaa1e980) at /build/buildd/glib2.0-2.37.3/./glib/gthread.c:798
        thread = 0xaa1e980
#31 0xb736ed78 in start_thread (arg=0x9caffb40) at pthread_create.c:311
        __res = <optimized out>
        pd = 0x9caffb40
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {-1221066752, 0, 4001536, -1666190808, 128933450, 899109917}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = 0
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
        __PRETTY_FUNCTION__ = "start_thread"
#32 0xb72a63de in clone () at ../sysdeps/unix/sysv/linux/i386/clone.S:131
No locals.