.
Thread 9 (Thread 0x7f6cce9cc700 (LWP 1666)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
No locals.
#1  0x00007f6d3e051ccb in WebCore::IconDatabase::syncThreadMainLoop (this=0x7f6d14103000) at ../Source/WebCore/loader/icon/IconDatabase.cpp:1449
        didAnyWork = <optimized out>
        shouldReenableSuddenTermination = true
#2  0x00007f6d3e051fa5 in WebCore::IconDatabase::iconDatabaseSyncThread (this=0x7f6d14103000) at ../Source/WebCore/loader/icon/IconDatabase.cpp:1061
        journalFilename = {m_impl = {m_ptr = 0x7f6d1410ec98}}
#3  0x00007f6d371448c1 in WTF::wtfThreadEntryPoint (param=<optimized out>) at ../Source/JavaScriptCore/wtf/ThreadingPthreads.cpp:162
        invocation = {m_ptr = 0x7f6d141011e0}
#4  0x00007f6d3fefee9a in start_thread (arg=0x7f6cce9cc700) at pthread_create.c:308
        __res = <optimized out>
        pd = 0x7f6cce9cc700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {0, -7020629199415979743, 140107200891008, 140105299577280, 0, 3, 6937843371967992097, 6938860856638918945}, 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"
#5  0x00007f6d3fc2c4bd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
No locals.
#6  0x0000000000000000 in ?? ()
No symbol table info available.
.
Thread 8 (Thread 0x7f6ca3fff700 (LWP 1905)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
No locals.
#1  0x00007f6d401977ef in g_cond_wait (cond=0x1f567b8, mutex=<optimized out>) at /build/buildd/glib2.0-2.32.1/./glib/gthread-posix.c:746
        _g_boolean_var_ = <optimized out>
        status = <optimized out>
#2  0x00007f6d401321db in g_async_queue_pop_intern_unlocked (queue=0x1f567b0, wait=1, end_time=-1) at /build/buildd/glib2.0-2.32.1/./glib/gasyncqueue.c:421
        retval = <optimized out>
        __PRETTY_FUNCTION__ = "g_async_queue_pop_intern_unlocked"
#3  0x00007f6d4013264f in g_async_queue_pop (queue=0x1f567b0) at /build/buildd/glib2.0-2.32.1/./glib/gasyncqueue.c:455
        retval = <optimized out>
        __PRETTY_FUNCTION__ = "g_async_queue_pop"
#4  0x00007f6d1466921a in task_thread (thread=0x249a200) at rb-mtp-thread.c:694
        task = <optimized out>
        quit = 0
        queue = 0x1f567b0
        __FUNCTION__ = "task_thread"
#5  0x00007f6d4017d9a5 in g_thread_proxy (data=0x245b590) at /build/buildd/glib2.0-2.32.1/./glib/gthread.c:801
        thread = 0x245b590
#6  0x00007f6d3fefee9a in start_thread (arg=0x7f6ca3fff700) at pthread_create.c:308
        __res = <optimized out>
        pd = 0x7f6ca3fff700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {0, -7020629199415979743, 140736360297168, 140104584657344, 28575424, 3, 6938060274795761953, 6938860856638918945}, 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"
#7  0x00007f6d3fc2c4bd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
No locals.
#8  0x0000000000000000 in ?? ()
No symbol table info available.
.
Thread 7 (Thread 0x7f6d220b5700 (LWP 1665)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
No locals.
#1  0x00007f6d37124552 in WTF::TCMalloc_PageHeap::scavengerThread (this=0x7f6d373e6d60) at ../Source/JavaScriptCore/wtf/FastMalloc.cpp:2551
No locals.
#2  0x00007f6d37124579 in WTF::TCMalloc_PageHeap::runScavengerThread (context=<optimized out>) at ../Source/JavaScriptCore/wtf/FastMalloc.cpp:1628
No locals.
#3  0x00007f6d3fefee9a in start_thread (arg=0x7f6d220b5700) at pthread_create.c:308
        __res = <optimized out>
        pd = 0x7f6d220b5700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {0, -7020629199415979743, 140107200891008, 140106699332032, 16263776, 3, 6938906721581748513, 6938860856638918945}, 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"
#4  0x00007f6d3fc2c4bd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
No locals.
#5  0x0000000000000000 in ?? ()
No symbol table info available.
.
Thread 6 (Thread 0x7f6d2b65d700 (LWP 1655)):
#0  0x00007f6d3fc20b03 in __GI___poll (fds=<optimized out>, nfds=<optimized out>, timeout=<optimized out>) at ../sysdeps/unix/sysv/linux/poll.c:87
        resultvar = <optimized out>
        oldtype = 0
        result = <optimized out>
#1  0x00007f6d4015bff6 in g_main_context_poll (n_fds=5, fds=0x7f6d1c004140, timeout=-1, context=0x7f6d2400f7d0, priority=<optimized out>) at /build/buildd/glib2.0-2.32.1/./glib/gmain.c:3417
        poll_func = 0x7f6d40168f00 <g_poll>
#2  g_main_context_iterate (dispatch=1, block=<optimized out>, context=0x7f6d2400f7d0, self=<optimized out>) at /build/buildd/glib2.0-2.32.1/./glib/gmain.c:3118
        timeout = -1
        some_ready = <optimized out>
        fds = 0x7f6d1c004140
        max_priority = 2147483647
        nfds = 5
        allocated_nfds = <optimized out>
#3  g_main_context_iterate (context=0x7f6d2400f7d0, block=<optimized out>, dispatch=1, self=<optimized out>) at /build/buildd/glib2.0-2.32.1/./glib/gmain.c:3060
        some_ready = 469778752
#4  0x00007f6d4015c45a in g_main_loop_run (loop=0x7f6d2400f780) at /build/buildd/glib2.0-2.32.1/./glib/gmain.c:3317
        __PRETTY_FUNCTION__ = "g_main_loop_run"
#5  0x00007f6d409232c6 in gdbus_shared_thread_func (user_data=<optimized out>) at /build/buildd/glib2.0-2.32.1/./gio/gdbusprivate.c:277
        data = 0x7f6d2400f7a0
#6  0x00007f6d4017d9a5 in g_thread_proxy (data=0x7f6d2400ca80) at /build/buildd/glib2.0-2.32.1/./glib/gthread.c:801
        thread = 0x7f6d2400ca80
#7  0x00007f6d3fefee9a in start_thread (arg=0x7f6d2b65d700) at pthread_create.c:308
        __res = <optimized out>
        pd = 0x7f6d2b65d700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {0, -7020629199415979743, 140106864646320, 140106856257984, 0, 3, 6938886195933040929, 6938860856638918945}, 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"
#8  0x00007f6d3fc2c4bd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
No locals.
#9  0x0000000000000000 in ?? ()
No symbol table info available.
.
Thread 5 (Thread 0x7f6d413279c0 (LWP 1653)):
#0  0x00007f6d3fbb9d30 in _int_malloc (av=0x7f6d3fef0720, bytes=32) at malloc.c:3415
        nb = <optimized out>
        idx = <optimized out>
        bin = <optimized out>
        victim = <optimized out>
        size = <optimized out>
        victim_index = <optimized out>
        remainder = <optimized out>
        remainder_size = <optimized out>
        block = <optimized out>
        bit = <optimized out>
        map = <optimized out>
        fwd = <optimized out>
        bck = <optimized out>
        errstr = 0x0
        __func__ = "_int_malloc"
#1  0x00007f6d3fbbca45 in __GI___libc_malloc (bytes=32) at malloc.c:2924
        ar_ptr = <optimized out>
        victim = <optimized out>
        hook = <optimized out>
        __func__ = "__libc_malloc"
#2  0x00007f6d3bd208eb in INT_cairo_region_create () at /build/buildd/cairo-1.10.2/src/cairo-region.c:196
        region = <optimized out>
#3  0x00007f6d40bd8efd in recompute_visible_regions_internal (private=0x29a4360, recalculate_clip=1, recalculate_siblings=0, recalculate_children=0) at /build/buildd/gtk+3.0-3.4.1/./gdk/gdkwindow.c:965
        r = {x = 6, y = 4, width = 26, height = 17}
        l = <optimized out>
        child = <optimized out>
        new_clip = <optimized out>
        new_layered = <optimized out>
        clip_region_changed = 0
        abs_pos_changed = 0
        old_abs_x = <optimized out>
        old_abs_y = <optimized out>
#4  0x00007f6d40bd8ea7 in recompute_visible_regions_internal (private=0x293db40, recalculate_clip=1, recalculate_siblings=1, recalculate_children=<optimized out>) at /build/buildd/gtk+3.0-3.4.1/./gdk/gdkwindow.c:1087
        r = {x = 24, y = 0, width = 1, height = 1}
        l = 0x2afe460
        child = <optimized out>
        new_clip = <optimized out>
        new_layered = <optimized out>
        clip_region_changed = <optimized out>
        abs_pos_changed = <optimized out>
        old_abs_x = <optimized out>
        old_abs_y = <optimized out>
#5  0x00007f6d40bdbf2e in gdk_window_hide (window=0x293db40) at /build/buildd/gtk+3.0-3.4.1/./gdk/gdkwindow.c:5676
        impl_class = <optimized out>
        was_mapped = 1
        did_hide = <optimized out>
#6  gdk_window_hide (window=0x293db40) at /build/buildd/gtk+3.0-3.4.1/./gdk/gdkwindow.c:5616
No locals.
#7  0x00007f6d3cc99496 in gtk_toolbar_unmap (widget=0x1709d30) at /build/buildd/gtk+3.0-3.4.1/./gtk/gtktoolbar.c:793
        toolbar = 0x1709d30
        priv = <optimized out>
#8  0x00007f6d40418eca in _g_closure_invoke_va (closure=0x890220, return_value=0x0, instance=0x1709d30, args=0x7fffbcc32238, n_params=0, param_types=<optimized out>) at /build/buildd/glib2.0-2.32.1/./gobject/gclosure.c:840
        marshal = 0x7f6d404172d0 <g_type_class_meta_marshalv>
        marshal_data = <optimized out>
        in_marshal = 0
        real_closure = 0x890200
        __PRETTY_FUNCTION__ = "_g_closure_invoke_va"
#9  0x00007f6d40431741 in g_signal_emit_valist (instance=0x1709d30, signal_id=<optimized out>, detail=0, var_args=<optimized out>) at /build/buildd/glib2.0-2.32.1/./gobject/gsignal.c:3207
        return_accu = <optimized out>
        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}}}
        accumulator = 0x0
        emission = {next = 0x7fffbcc32640, instance = 0x1709d30, ihint = {signal_id = 36, detail = 0, run_type = G_SIGNAL_RUN_FIRST}, state = EMISSION_RUN, chain_type = 16773408}
        signal_id = <optimized out>
        instance_type = <optimized out>
        emission_return = {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}}}
        rtype = 4
        static_scope = 0
        closure = 0x890220
        run_type = <optimized out>
        hlist = 0xffffffff
        l = <optimized out>
        fastpath = 1
        instance_and_params = <optimized out>
        signal_return_type = <optimized out>
        param_values = <optimized out>
        node = 0x890270
        i = <optimized out>
        n_params = <optimized out>
        __PRETTY_FUNCTION__ = "g_signal_emit_valist"
#10 0x00007f6d40432242 in g_signal_emit (instance=<optimized out>, signal_id=<optimized out>, detail=<optimized out>) at /build/buildd/glib2.0-2.32.1/./gobject/gsignal.c:3352
        var_args = {{gp_offset = 24, fp_offset = 48, overflow_arg_area = 0x7fffbcc32310, reg_save_area = 0x7fffbcc32250}}
#11 0x00007f6d3ccef476 in gtk_widget_unmap (widget=0x1709d30) at /build/buildd/gtk+3.0-3.4.1/./gtk/gtkwidget.c:4313
        priv = 0x1709d60
        __PRETTY_FUNCTION__ = "gtk_widget_unmap"
#12 0x00007f6d3ccf2918 in gtk_widget_unrealize (widget=0x1709d30) at /build/buildd/gtk+3.0-3.4.1/./gtk/gtkwidget.c:4559
        __PRETTY_FUNCTION__ = "gtk_widget_unrealize"
#13 0x00007f6d3ccfc575 in gtk_widget_unparent (widget=0x1709d30) at /build/buildd/gtk+3.0-3.4.1/./gtk/gtkwidget.c:3856
        priv = 0x1709d60
        nqueue = 0x1ceca80
        toplevel = 0x8b61d0
        old_parent = <optimized out>
        __PRETTY_FUNCTION__ = "gtk_widget_unparent"
#14 0x00007f6d3cb8f97c in gtk_grid_remove (container=0x7f6ca8007e70, child=0x1709d30) at /build/buildd/gtk+3.0-3.4.1/./gtk/gtkgrid.c:470
        was_visible = 1
        grid = 0x7f6ca8007e70
        priv = 0x7f6ca8007f40
        grid_child = 0x29a2800
        list = <optimized out>
#15 0x00007f6d4041c354 in g_cclosure_marshal_VOID__OBJECTv (closure=0x897300, return_value=<optimized out>, instance=0x7f6ca8007e70, args=<optimized out>, marshal_data=<optimized out>, n_params=<optimized out>, param_types=0x897330) at /build/buildd/glib2.0-2.32.1/./gobject/gmarshal.c:1312
        cc = 0x897300
        data1 = <optimized out>
        data2 = <optimized out>
        callback = 0x7f6d3cb8f920 <gtk_grid_remove>
        arg0 = 0x1709d30
        args_copy = {{gp_offset = 32, fp_offset = 48, overflow_arg_area = 0x7fffbcc32810, reg_save_area = 0x7fffbcc32750}}
#16 0x00007f6d40418eca in _g_closure_invoke_va (closure=0x897300, return_value=0x0, instance=0x7f6ca8007e70, args=0x7fffbcc32738, n_params=1, param_types=<optimized out>) at /build/buildd/glib2.0-2.32.1/./gobject/gclosure.c:840
        marshal = 0x7f6d404172d0 <g_type_class_meta_marshalv>
        marshal_data = <optimized out>
        in_marshal = 0
        real_closure = 0x8972e0
        __PRETTY_FUNCTION__ = "_g_closure_invoke_va"
#17 0x00007f6d40431741 in g_signal_emit_valist (instance=0x7f6ca8007e70, signal_id=<optimized out>, detail=0, var_args=<optimized out>) at /build/buildd/glib2.0-2.32.1/./gobject/gsignal.c:3207
        return_accu = <optimized out>
        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}}}
        accumulator = 0x0
        emission = {next = 0x7fffbcc32f10, instance = 0x7f6ca8007e70, ihint = {signal_id = 102, detail = 0, run_type = G_SIGNAL_RUN_FIRST}, state = EMISSION_RUN, chain_type = 12062032}
        signal_id = <optimized out>
        instance_type = <optimized out>
        emission_return = {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}}}
        rtype = 4
        static_scope = 0
        closure = 0x897300
        run_type = <optimized out>
        hlist = 0xffffffff
        l = <optimized out>
        fastpath = 1
        instance_and_params = <optimized out>
        signal_return_type = <optimized out>
        param_values = <optimized out>
        node = 0x897350
        i = <optimized out>
        n_params = <optimized out>
        __PRETTY_FUNCTION__ = "g_signal_emit_valist"
#18 0x00007f6d40432242 in g_signal_emit (instance=<optimized out>, signal_id=<optimized out>, detail=<optimized out>) at /build/buildd/glib2.0-2.32.1/./gobject/gsignal.c:3352
        var_args = {{gp_offset = 24, fp_offset = 48, overflow_arg_area = 0x7fffbcc32810, reg_save_area = 0x7fffbcc32750}}
#19 0x00007f6d40ec89f9 in source_selected_cb (object=<optimized out>, pspec=<optimized out>, toolbar=0x7f6ca8007e70) at rb-source-toolbar.c:169
        selected = 0
#20 0x00007f6d40418ca2 in g_closure_invoke (closure=0x2a0b4e0, return_value=0x0, n_param_values=2, param_values=0x7fffbcc32a10, invocation_hint=<optimized out>) at /build/buildd/glib2.0-2.32.1/./gobject/gclosure.c:777
        marshal = 0x7f6d4041bc60 <g_cclosure_marshal_VOID__PARAM>
        marshal_data = <optimized out>
        in_marshal = <optimized out>
        real_closure = 0x2a0b4c0
        __PRETTY_FUNCTION__ = "g_closure_invoke"
#21 0x00007f6d40429d71 in signal_emit_unlocked_R (node=<optimized out>, detail=3644, instance=<optimized out>, emission_return=0x0, instance_and_params=0x7fffbcc32a10) at /build/buildd/glib2.0-2.32.1/./gobject/gsignal.c:3547
        tmp = <optimized out>
        handler = 0x2ea7830
        accumulator = 0x0
        emission = {next = 0x0, instance = 0x1dd6670, ihint = {signal_id = 1, detail = 3644, run_type = G_SIGNAL_RUN_FIRST}, state = EMISSION_RUN, chain_type = 4}
        class_closure = 0x6c0050
        hlist = 0x2b70ab8
        handler_list = 0x305d720
        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 = 1
        max_sequential_handler_number = 68127
        return_value_altered = 1
#22 0x00007f6d40432099 in g_signal_emit_valist (instance=0x1dd6670, signal_id=<optimized out>, detail=3644, var_args=<optimized out>) at /build/buildd/glib2.0-2.32.1/./gobject/gsignal.c:3296
        instance_and_params = 0x7fffbcc32a10
        signal_return_type = 4
        param_values = 0x7fffbcc32a28
        node = 0x6c00e0
        i = <optimized out>
        n_params = 1
        __PRETTY_FUNCTION__ = "g_signal_emit_valist"
#23 0x00007f6d40432242 in g_signal_emit (instance=<optimized out>, signal_id=<optimized out>, detail=<optimized out>) at /build/buildd/glib2.0-2.32.1/./gobject/gsignal.c:3352
        var_args = {{gp_offset = 32, fp_offset = 48, overflow_arg_area = 0x7fffbcc32d20, reg_save_area = 0x7fffbcc32c60}}
#24 0x00007f6d4041d957 in g_object_dispatch_properties_changed (object=0x1dd6670, n_pspecs=1, pspecs=0x7fffbcc32d58) at /build/buildd/glib2.0-2.32.1/./gobject/gobject.c:1041
        i = <optimized out>
#25 0x00007f6d4041f233 in g_object_notify_by_spec_internal (pspec=0xace280, object=0x1dd6670) at /build/buildd/glib2.0-2.32.1/./gobject/gobject.c:1133
        nqueue = 0x0
        notify_pspec = 0xace280
#26 g_object_notify (object=0x1dd6670, property_name=<optimized out>) at /build/buildd/glib2.0-2.32.1/./gobject/gobject.c:1175
        pspec = 0xace280
        __PRETTY_FUNCTION__ = "g_object_notify"
#27 0x00007f6d40e6cb8f in rb_shell_select_page (shell=0x988140, page=0xb52520) at rb-shell.c:2674
        pagenum = <optimized out>
        __FUNCTION__ = "rb_shell_select_page"
#28 0x00007f6d40e7128c in rb_shell_display_page_deleted_cb (page=0x1dd6670, shell=0x988140) at rb-shell.c:2596
        __FUNCTION__ = "rb_shell_display_page_deleted_cb"
#29 0x00007f6d40418ca2 in g_closure_invoke (closure=0x2e20690, return_value=0x0, n_param_values=1, param_values=0x7fffbcc32fd0, invocation_hint=<optimized out>) at /build/buildd/glib2.0-2.32.1/./gobject/gclosure.c:777
        marshal = 0x7f6d4041aa00 <g_cclosure_marshal_VOID__VOID>
        marshal_data = <optimized out>
        in_marshal = <optimized out>
        real_closure = 0x2e20670
        __PRETTY_FUNCTION__ = "g_closure_invoke"
#30 0x00007f6d40429d71 in signal_emit_unlocked_R (node=<optimized out>, detail=0, instance=<optimized out>, emission_return=0x0, instance_and_params=0x7fffbcc32fd0) at /build/buildd/glib2.0-2.32.1/./gobject/gsignal.c:3547
        tmp = <optimized out>
        handler = 0x2c81270
        accumulator = 0x0
        emission = {next = 0x7fffbcc33430, instance = 0x1dd6670, ihint = {signal_id = 351, detail = 0, run_type = G_SIGNAL_RUN_FIRST}, state = EMISSION_RUN, chain_type = 4}
        class_closure = 0xacbba0
        hlist = 0x2b70bb8
        handler_list = 0x2c81300
        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 = 351
        max_sequential_handler_number = 68127
        return_value_altered = 1
#31 0x00007f6d40432099 in g_signal_emit_valist (instance=0x1dd6670, signal_id=<optimized out>, detail=0, var_args=<optimized out>) at /build/buildd/glib2.0-2.32.1/./gobject/gsignal.c:3296
        instance_and_params = 0x7fffbcc32fd0
        signal_return_type = 4
        param_values = 0x7fffbcc32fe8
        node = 0xad4290
        i = <optimized out>
        n_params = 0
        __PRETTY_FUNCTION__ = "g_signal_emit_valist"
#32 0x00007f6d40432242 in g_signal_emit (instance=<optimized out>, signal_id=<optimized out>, detail=<optimized out>) at /build/buildd/glib2.0-2.32.1/./gobject/gsignal.c:3352
        var_args = {{gp_offset = 24, fp_offset = 48, overflow_arg_area = 0x7fffbcc332d0, reg_save_area = 0x7fffbcc33210}}
#33 0x00007f6d40e6bf30 in uevent_cb (client=<optimized out>, action=<optimized out>, device=0x1c35b20, mgr=0xf3e210) at rb-removable-media-manager.c:587
        source = 0x1dd6670
        priv = 0xf3e230
        devnum = 48389
        __FUNCTION__ = "uevent_cb"
#34 0x00007f6d40418ca2 in g_closure_invoke (closure=0xf6f890, return_value=0x0, n_param_values=3, param_values=0x7fffbcc334f0, invocation_hint=<optimized out>) at /build/buildd/glib2.0-2.32.1/./gobject/gclosure.c:777
        marshal = 0x7f6d3effbdac <g_udev_marshal_VOID__STRING_OBJECT>
        marshal_data = <optimized out>
        in_marshal = <optimized out>
        real_closure = 0xf6f870
        __PRETTY_FUNCTION__ = "g_closure_invoke"
#35 0x00007f6d40429d71 in signal_emit_unlocked_R (node=<optimized out>, detail=0, instance=<optimized out>, emission_return=0x0, instance_and_params=0x7fffbcc334f0) at /build/buildd/glib2.0-2.32.1/./gobject/gsignal.c:3547
        tmp = <optimized out>
        handler = 0xf6d070
        accumulator = 0x0
        emission = {next = 0x0, instance = 0xd7be00, ihint = {signal_id = 423, detail = 0, run_type = G_SIGNAL_RUN_FIRST}, state = EMISSION_RUN, chain_type = 4}
        class_closure = 0xf6db90
        hlist = 0xf6f588
        handler_list = 0xf6d070
        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 = 423
        max_sequential_handler_number = 68127
        return_value_altered = 0
#36 0x00007f6d40432099 in g_signal_emit_valist (instance=0xd7be00, signal_id=<optimized out>, detail=0, var_args=<optimized out>) at /build/buildd/glib2.0-2.32.1/./gobject/gsignal.c:3296
        instance_and_params = 0x7fffbcc334f0
        signal_return_type = 4
        param_values = 0x7fffbcc33508
        node = 0xf6dc20
        i = <optimized out>
        n_params = 2
        __PRETTY_FUNCTION__ = "g_signal_emit_valist"
#37 0x00007f6d40432242 in g_signal_emit (instance=<optimized out>, signal_id=<optimized out>, detail=<optimized out>) at /build/buildd/glib2.0-2.32.1/./gobject/gsignal.c:3352
        var_args = {{gp_offset = 40, fp_offset = 48, overflow_arg_area = 0x7fffbcc33820, reg_save_area = 0x7fffbcc33760}}
#38 0x00007f6d3eff9a9c in ?? () from /tmp/tmpD0pVQl/usr/lib/x86_64-linux-gnu/libgudev-1.0.so.0
No symbol table info available.
#39 0x00007f6d4015bc9a in g_main_dispatch (context=0x6b9640) at /build/buildd/glib2.0-2.32.1/./glib/gmain.c:2515
        dispatch = 0x7f6d40197fd0 <g_io_unix_dispatch>
        was_in_call = 0
        user_data = 0xd7be00
        callback = 0x7f6d3eff9a48
        cb_funcs = 0x7f6d404079a0
        cb_data = 0xf6fc40
        current_source_link = {data = 0xf6fba0, next = 0x0}
        need_destroy = <optimized out>
        source = 0xf6fba0
        current = 0x9af960
        i = <optimized out>
#40 g_main_context_dispatch (context=0x6b9640) at /build/buildd/glib2.0-2.32.1/./glib/gmain.c:3052
No locals.
#41 0x00007f6d4015c060 in g_main_context_iterate (dispatch=1, block=<optimized out>, context=0x6b9640, self=<optimized out>) at /build/buildd/glib2.0-2.32.1/./glib/gmain.c:3123
        timeout = 0
        some_ready = 1
        fds = <optimized out>
        max_priority = 108
        nfds = 13
        allocated_nfds = <optimized out>
#42 g_main_context_iterate (context=0x6b9640, block=<optimized out>, dispatch=1, self=<optimized out>) at /build/buildd/glib2.0-2.32.1/./glib/gmain.c:3060
        some_ready = 1
#43 0x00007f6d4015c124 in g_main_context_iteration (context=0x6b9640, may_block=1) at /build/buildd/glib2.0-2.32.1/./glib/gmain.c:3184
        retval = <optimized out>
#44 0x00007f6d408f1b94 in g_application_run (application=0x988140, argc=<optimized out>, argv=0x7fffbcc33a98) at /build/buildd/glib2.0-2.32.1/./gio/gapplication.c:1496
        arguments = 0x985710
        status = 0
        i = <optimized out>
        __PRETTY_FUNCTION__ = "g_application_run"
#45 0x0000000000400e8a in main (argc=1, argv=0x7fffbcc33a98) at main.c:99
        shell = 0x988140
        autostarted = <optimized out>
        desktop_file_path = <optimized out>
        new_argc = 1
        new_argv = 0x7fffbcc33a98
.
Thread 4 (Thread 0x7f6d2be5e700 (LWP 1654)):
#0  0x00007f6d3fc20b03 in __GI___poll (fds=<optimized out>, nfds=<optimized out>, timeout=<optimized out>) at ../sysdeps/unix/sysv/linux/poll.c:87
        resultvar = <optimized out>
        oldtype = 0
        result = <optimized out>
#1  0x00007f6d4015bff6 in g_main_context_poll (n_fds=1, fds=0x7f6d240010e0, timeout=-1, context=0x88d9b0, priority=<optimized out>) at /build/buildd/glib2.0-2.32.1/./glib/gmain.c:3417
        poll_func = 0x7f6d40168f00 <g_poll>
#2  g_main_context_iterate (dispatch=1, block=<optimized out>, context=0x88d9b0, self=<optimized out>) at /build/buildd/glib2.0-2.32.1/./glib/gmain.c:3118
        timeout = -1
        some_ready = <optimized out>
        fds = 0x7f6d240010e0
        max_priority = 2147483647
        nfds = 1
        allocated_nfds = <optimized out>
#3  g_main_context_iterate (context=0x88d9b0, block=<optimized out>, dispatch=1, self=<optimized out>) at /build/buildd/glib2.0-2.32.1/./glib/gmain.c:3060
        some_ready = 603984096
#4  0x00007f6d4015c45a in g_main_loop_run (loop=0x7f6d240010c0) at /build/buildd/glib2.0-2.32.1/./glib/gmain.c:3317
        __PRETTY_FUNCTION__ = "g_main_loop_run"
#5  0x00007f6d2be6398b in dconf_context_thread (data=<optimized out>) at dconfcontext.c:11
        context = 0x88d9b0
        loop = <optimized out>
        __PRETTY_FUNCTION__ = "dconf_context_thread"
#6  0x00007f6d4017d9a5 in g_thread_proxy (data=0x6b64a0) at /build/buildd/glib2.0-2.32.1/./glib/gthread.c:801
        thread = 0x6b64a0
#7  0x00007f6d3fefee9a in start_thread (arg=0x7f6d2be5e700) at pthread_create.c:308
        __res = <optimized out>
        pd = 0x7f6d2be5e700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {0, -7020629199415979743, 140736360296960, 140106864650688, 0, 3, 6938887294907797793, 6938860856638918945}, 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"
#8  0x00007f6d3fc2c4bd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
No locals.
#9  0x0000000000000000 in ?? ()
No symbol table info available.
.
Thread 3 (Thread 0x7f6ccc880700 (LWP 1672)):
#0  pthread_cond_timedwait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:215
No locals.
#1  0x00007f6d37144e9c in WTF::ThreadCondition::timedWait (this=0x7f6d1418d4b8, mutex=..., absoluteTime=<optimized out>) at ../Source/JavaScriptCore/wtf/ThreadingPthreads.cpp:415
        timeSeconds = <optimized out>
        targetTime = {tv_sec = 1334786147, tv_nsec = 192996978}
#2  0x00007f6d36fb0202 in JSC::Heap::waitForRelativeTime (this=0x7f6d1418cac8, relative=<optimized out>) at ../Source/JavaScriptCore/heap/Heap.cpp:407
        locker = {m_lockable = @0x7f6d1418d490}
#3  0x00007f6d36fb0251 in JSC::Heap::blockFreeingThreadMain (this=0x7f6d1418cac8) at ../Source/JavaScriptCore/heap/Heap.cpp:420
        currentNumberOfFreeBlocks = <optimized out>
        desiredNumberOfFreeBlocks = <optimized out>
#4  0x00007f6d371448c1 in WTF::wtfThreadEntryPoint (param=<optimized out>) at ../Source/JavaScriptCore/wtf/ThreadingPthreads.cpp:162
        invocation = {m_ptr = 0x7f6d14101110}
#5  0x00007f6d3fefee9a in start_thread (arg=0x7f6ccc880700) at pthread_create.c:308
        __res = <optimized out>
        pd = 0x7f6ccc880700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {0, -7020629199415979743, 140107200891008, 140105264662976, 10207184, 3, 6937847999795253537, 6938860856638918945}, 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"
#6  0x00007f6d3fc2c4bd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
No locals.
#7  0x0000000000000000 in ?? ()
No symbol table info available.
.
Thread 2 (Thread 0x7f6cc52a3700 (LWP 1895)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
No locals.
#1  0x00007f6d401977ef in g_cond_wait (cond=0x9eb888, mutex=<optimized out>) at /build/buildd/glib2.0-2.32.1/./glib/gthread-posix.c:746
        _g_boolean_var_ = <optimized out>
        status = <optimized out>
#2  0x00007f6d401321db in g_async_queue_pop_intern_unlocked (queue=0x9eb880, wait=1, end_time=-1) at /build/buildd/glib2.0-2.32.1/./glib/gasyncqueue.c:421
        retval = <optimized out>
        __PRETTY_FUNCTION__ = "g_async_queue_pop_intern_unlocked"
#3  0x00007f6d4013264f in g_async_queue_pop (queue=0x9eb880) at /build/buildd/glib2.0-2.32.1/./glib/gasyncqueue.c:455
        retval = <optimized out>
        __PRETTY_FUNCTION__ = "g_async_queue_pop"
#4  0x00007f6d40ecc8d5 in action_thread_main (db=0x8bc300) at rhythmdb.c:2841
        action = <optimized out>
        result = <optimized out>
        __FUNCTION__ = "action_thread_main"
        __PRETTY_FUNCTION__ = "action_thread_main"
#5  0x00007f6d4017d9a5 in g_thread_proxy (data=0x2199590) at /build/buildd/glib2.0-2.32.1/./glib/gthread.c:801
        thread = 0x2199590
#6  0x00007f6d3fefee9a in start_thread (arg=0x7f6cc52a3700) at pthread_create.c:308
        __res = <optimized out>
        pd = 0x7f6cc52a3700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {0, -7020629199415979743, 140736360298240, 140105141074368, 13766704, 3, 6937861905288745249, 6938860856638918945}, 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"
#7  0x00007f6d3fc2c4bd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
No locals.
#8  0x0000000000000000 in ?? ()
No symbol table info available.
.
Thread 1 (Thread 0x7f6c9bdfb700 (LWP 6410)):
#0  0x00007f6d4014b74c in g_hash_table_lookup_node (hash_return=<synthetic pointer>, key=0x7f6d18257ba0, hash_table=0x31f5860) at /build/buildd/glib2.0-2.32.1/./glib/ghash.c:407
        node_hash = <optimized out>
        hash_value = 405109664
        have_tombstone = 0
        step = 0
        node_index = <optimized out>
        first_tombstone = 0
#1  g_hash_table_remove_internal (hash_table=0x31f5860, key=0x7f6d18257ba0, notify=1) at /build/buildd/glib2.0-2.32.1/./glib/ghash.c:1269
        node_hash = 405109664
#2  0x00007f6d40ee056c in remove_child (data=<optimized out>, parent=<optimized out>) at rhythmdb-tree.c:1517
        _g_boolean_var_ = <optimized out>
#3  0x00007f6d40ee0601 in remove_entry_from_album (db=<optimized out>, entry=0x7f6d18257ba0) at rhythmdb-tree.c:1538
        table = 0x3093180
        __PRETTY_FUNCTION__ = "remove_entry_from_album"
#4  0x00007f6d40ee42d5 in rhythmdb_tree_entry_set (adb=<optimized out>, entry=0x7f6d18257ba0, propid=<optimized out>, value=<optimized out>) at rhythmdb-tree.c:1611
        artist = <optimized out>
        genre = <optimized out>
        albumname = 0x7f6d1466ad0d "Unknown"
        db = 0x8bc300
        type = 0x22dca80
        __PRETTY_FUNCTION__ = "rhythmdb_tree_entry_set"
#5  0x00007f6d40ecf7a5 in rhythmdb_entry_set_internal (db=0x8bc300, entry=0x7f6d18257ba0, notify_if_inserted=<optimized out>, propid=5, value=0x7f6c9bdfa9c0) at rhythmdb.c:3358
        klass = 0x9ec000
        handled = <optimized out>
        podcast = 0x0
        conv_value = {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}}}
        old_value = {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}}}
        nop = <optimized out>
        __PRETTY_FUNCTION__ = "rhythmdb_entry_set_internal"
#6  0x00007f6d14665165 in entry_set_string_prop (db=0x8bc300, entry=0x7f6d18257ba0, propid=RHYTHMDB_PROP_ALBUM, str=0x7f6d1466ad0d "Unknown") at rb-mtp-source.c:654
        value = {g_type = 64, data = {{v_int = 342273293, v_uint = 342273293, v_long = 140106470436109, v_ulong = 140106470436109, v_int64 = 140106470436109, v_uint64 = 140106470436109, v_float = 1.16461608e-26, v_double = 6.9221793802553708e-310, v_pointer = 0x7f6d1466ad0d}, {v_int = 134217728, v_uint = 134217728, v_long = 134217728, v_ulong = 134217728, v_int64 = 134217728, v_uint64 = 134217728, v_float = 3.85185989e-34, v_double = 6.631236846766476e-316, v_pointer = 0x8000000}}}
#7  0x00007f6d146657f4 in add_mtp_track_to_db (source=<optimized out>, db=0x8bc300, track=0x7f6d1800adf0) at rb-mtp-source.c:761
        entry = 0x7f6d18257ba0
        entry_type = 0x22dca80
        priv = 0x1dd68a0
        name = <optimized out>
        __FUNCTION__ = "add_mtp_track_to_db"
#8  0x00007f6d14665c4e in mtp_tracklist_cb (tracks=<optimized out>, source=0x1dd6670) at rb-mtp-source.c:990
        db = 0x8bc300
        track = 0x7f6d1800adf0
#9  0x00007f6d14669528 in get_track_list (thread=0x1f9dc00, task=<optimized out>) at rb-mtp-thread.c:447
        tracks = 0x7f6d1800f590
        albums = <optimized out>
        album = <optimized out>
        cb = 0x7f6d14665c20 <mtp_tracklist_cb>
        device_forgets_albums = 0
        update_albums = 0x0
#10 run_task (task=0x7f6d1c0135e0, thread=0x1f9dc00) at rb-mtp-thread.c:660
        name = <optimized out>
#11 task_thread (thread=0x1f9dc00) at rb-mtp-thread.c:695
        task = 0x7f6d1c0135e0
        quit = 0
        queue = 0x2d18690
        __FUNCTION__ = "task_thread"
#12 0x00007f6d4017d9a5 in g_thread_proxy (data=0x2814140) at /build/buildd/glib2.0-2.32.1/./glib/gthread.c:801
        thread = 0x2814140
#13 0x00007f6d3fefee9a in start_thread (arg=0x7f6c9bdfb700) at pthread_create.c:308
        __res = <optimized out>
        pd = 0x7f6c9bdfb700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {0, -7020629199415979743, 140736360297168, 140104448326080, 43108128, 3, 6937937406518841633, 6938860856638918945}, 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"
#14 0x00007f6d3fc2c4bd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
No locals.
#15 0x0000000000000000 in ?? ()
No symbol table info available.