.
Thread 4 (LWP 2302):
#0  0x00007fb13bdc13cd in poll () at ../sysdeps/unix/syscall-template.S:81
No locals.
#1  0x00007fb13c821394 in g_main_context_poll (priority=2147483647, n_fds=1, fds=0x7fb1140008c0, timeout=-1, context=0x7fb1280083a0) at /build/buildd/glib2.0-2.37.3/./glib/gmain.c:3999
        poll_func = 0x7fb13c830030 <g_poll>
#2  g_main_context_iterate (context=context@entry=0x7fb1280083a0, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at /build/buildd/glib2.0-2.37.3/./glib/gmain.c:3700
        max_priority = 2147483647
        timeout = -1
        some_ready = <optimized out>
        nfds = 1
        allocated_nfds = 1
        fds = 0x7fb1140008c0
#3  0x00007fb13c82149c in g_main_context_iteration (context=0x7fb1280083a0, may_block=may_block@entry=1) at /build/buildd/glib2.0-2.37.3/./glib/gmain.c:3766
        retval = <optimized out>
#4  0x00007fb13c8214e9 in glib_worker_main (data=<optimized out>) at /build/buildd/glib2.0-2.37.3/./glib/gmain.c:5457
No locals.
#5  0x00007fb13c845c25 in g_thread_proxy (data=0x7fb128008800) at /build/buildd/glib2.0-2.37.3/./glib/gthread.c:798
        thread = 0x7fb128008800
#6  0x00007fb13c0a3f8e in start_thread (arg=0x7fb11a841700) at pthread_create.c:311
        __res = <optimized out>
        pd = 0x7fb11a841700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140398630803200, -5856855176905795198, 0, 140399261204576, 140399005411152, 4096, 5898150044728514946, 5898093917444856194}, 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  0x00007fb13bdcde1d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:113
No locals.
.
Thread 3 (LWP 2295):
#0  0x00007fb13bdc13cd in poll () at ../sysdeps/unix/syscall-template.S:81
No locals.
#1  0x00007fb13c821394 in g_main_context_poll (priority=2147483647, n_fds=11, fds=0x7fb12c010f70, timeout=-1, context=0x169e470) at /build/buildd/glib2.0-2.37.3/./glib/gmain.c:3999
        poll_func = 0x7fb13c830030 <g_poll>
#2  g_main_context_iterate (context=0x169e470, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at /build/buildd/glib2.0-2.37.3/./glib/gmain.c:3700
        max_priority = 2147483647
        timeout = -1
        some_ready = <optimized out>
        nfds = 11
        allocated_nfds = 13
        fds = 0x7fb12c010f70
#3  0x00007fb13c8217fa in g_main_loop_run (loop=0x169f680) at /build/buildd/glib2.0-2.37.3/./glib/gmain.c:3899
        __PRETTY_FUNCTION__ = "g_main_loop_run"
#4  0x00007fb13cdfc5f6 in gdbus_shared_thread_func (user_data=0x169e440) at /build/buildd/glib2.0-2.37.3/./gio/gdbusprivate.c:278
        data = 0x169e440
#5  0x00007fb13c845c25 in g_thread_proxy (data=0x1681320) at /build/buildd/glib2.0-2.37.3/./glib/gthread.c:798
        thread = 0x1681320
#6  0x00007fb13c0a3f8e in start_thread (arg=0x7fb133889700) at pthread_create.c:311
        __res = <optimized out>
        pd = 0x7fb133889700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140399050528512, -5856855176905795198, 0, 140399261204576, 140737192444672, 4096, 5898064244166842754, 5898093917444856194}, 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  0x00007fb13bdcde1d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:113
No locals.
.
Thread 2 (LWP 2296):
#0  0x00007fb13bdc13cd in poll () at ../sysdeps/unix/syscall-template.S:81
No locals.
#1  0x00007fb13c821394 in g_main_context_poll (priority=2147483647, n_fds=1, fds=0x7fb1240010c0, timeout=-1, context=0x16df150) at /build/buildd/glib2.0-2.37.3/./glib/gmain.c:3999
        poll_func = 0x7fb13c830030 <g_poll>
#2  g_main_context_iterate (context=context@entry=0x16df150, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at /build/buildd/glib2.0-2.37.3/./glib/gmain.c:3700
        max_priority = 2147483647
        timeout = -1
        some_ready = <optimized out>
        nfds = 1
        allocated_nfds = 1
        fds = 0x7fb1240010c0
#3  0x00007fb13c82149c in g_main_context_iteration (context=0x16df150, may_block=1) at /build/buildd/glib2.0-2.37.3/./glib/gmain.c:3766
        retval = <optimized out>
#4  0x00007fb132e83a1d in ?? () from /tmp/apport_sandbox_NV4_WG/usr/lib/x86_64-linux-gnu/gio/modules/libdconfsettings.so
No symbol table info available.
#5  0x00007fb13c845c25 in g_thread_proxy (data=0x1681540) at /build/buildd/glib2.0-2.37.3/./glib/gthread.c:798
        thread = 0x1681540
#6  0x00007fb13c0a3f8e in start_thread (arg=0x7fb132e7c700) at pthread_create.c:311
        __res = <optimized out>
        pd = 0x7fb132e7c700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140399039989504, -5856855176905795198, 0, 140399261204576, 140737192441760, 4096, 5898062877830371714, 5898093917444856194}, 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  0x00007fb13bdcde1d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:113
No locals.
.
Thread 1 (LWP 2245):
#0  0x00007fb13c83c095 in magazine_chain_pop_head (magazine_chunks=<synthetic pointer>) at /build/buildd/glib2.0-2.37.3/./glib/gslice.c:550
        chunk = 0x1b5bcb0
#1  magazine_chain_prepare_fields (magazine_chunks=0x0) at /build/buildd/glib2.0-2.37.3/./glib/gslice.c:625
No locals.
#2  magazine_cache_push_magazine (ix=13, magazine_chunks=<optimized out>, count=7) at /build/buildd/glib2.0-2.37.3/./glib/gslice.c:697
        next = <optimized out>
        prev = <optimized out>
#3  0x00007fb13c7f3c6c in thread_memory_magazine2_unload (ix=<optimized out>, tmem=<optimized out>) at /build/buildd/glib2.0-2.37.3/./glib/gslice.c:815
        mag = 0x164db20
#4  0x00007fb13c83cdf9 in g_slice_free1 (mem_size=<optimized out>, mem_block=0x1ba6e50) at /build/buildd/glib2.0-2.37.3/./glib/gslice.c:1106
        tmem = 0x164d650
        ix = 13
        chunk_size = 224
#5  0x00007fb13cb0ad62 in g_type_free_instance (instance=0x1ba6e70) at /build/buildd/glib2.0-2.37.3/./gobject/gtype.c:1938
        class = 0x16f7130
        allocated = 0x1ba6e50 "\252\252\252\252\252\252\252\252\252\252\252\252\252\252\252\252\252\252\252\252\252\252\252\252\252\252\252\252\252\252\252\252\252\252\252\252\252\252\252\252\252\252\252\252\252\252\252\252\252\252\252\252\252\252\252\252\252\252\252\252\252\252\252\252\252\252\252\252\252\252\252\252\252\252\252\252\252\252\252\252\252\252\252\252\252\252\252\252\252\252\252\252\252\252\252\252\252\252\252\252\252\252\252\252\252\252\252\252\252\252\252\252\252\252\252\252\252\252\252\252\252\252\252\252\252\252\252\252\252\252\252\252\252\252\252\252\252\252\252\252\252\252\252\252\252\252\252\252\252\252\252\252\252\252\252\252\252\252\252\252\252\252\252\252\252\252\252\252\252\252\252\252\252\252\252\252\252\252\252\252\252\252\252\252\252\252\252\252\252\252\252\252\252\252\252\252\252\252\252\252"...
        private_size = 32
        ivar_size = 192
        __PRETTY_FUNCTION__ = "g_type_free_instance"
#6  0x00007fb13ac40073 in pango_fc_fontset_finalize (object=0x7fb128008c00) at /build/buildd/pango1.0-1.32.5/./pango/pangofc-fontmap.c:917
        font = <optimized out>
        fontset = 0x7fb128008c00
        i = 2
#7  0x00007fb13caedc9a in g_object_unref (_object=0x7fb128008c00) at /build/buildd/glib2.0-2.37.3/./gobject/gobject.c:3194
        weak_locations = <optimized out>
        object = 0x7fb128008c00
        old_ref = 1
        __PRETTY_FUNCTION__ = "g_object_unref"
#8  0x00007fb13c810483 in g_hash_table_remove_all_nodes (hash_table=0x1858cc0, notify=<optimized out>) at /build/buildd/glib2.0-2.37.3/./glib/ghash.c:500
        i = 14
        key = <optimized out>
        value = 0x7fb128008c00
#9  0x00007fb13c8111c1 in g_hash_table_remove_all (hash_table=hash_table@entry=0x1858cc0) at /build/buildd/glib2.0-2.37.3/./glib/ghash.c:1347
        __PRETTY_FUNCTION__ = "g_hash_table_remove_all"
#10 0x00007fb13c81122e in g_hash_table_destroy (hash_table=0x1858cc0) at /build/buildd/glib2.0-2.37.3/./glib/ghash.c:1051
        __PRETTY_FUNCTION__ = "g_hash_table_destroy"
#11 0x00007fb13ac3f276 in pango_fc_font_map_fini (fcfontmap=fcfontmap@entry=0x1679ba0) at /build/buildd/pango1.0-1.32.5/./pango/pangofc-fontmap.c:1069
        priv = 0x1679b40
        i = <optimized out>
#12 0x00007fb13ac413e3 in pango_fc_font_map_cache_clear (fcfontmap=fcfontmap@entry=0x1679ba0) at /build/buildd/pango1.0-1.32.5/./pango/pangofc-fontmap.c:1773
No locals.
#13 0x00007fb13f217067 in settings_update_fontconfig (settings=<optimized out>) at /build/buildd/gtk+3.0-3.8.2/./gtk/gtksettings.c:2673
        fontmap = 0x1679ba0
        update_needed = 0
        timestamp = 1372520020
        last_update_timestamp = 0
        last_update_needed = 0
#14 gtk_settings_notify (object=<optimized out>, pspec=<optimized out>) at /build/buildd/gtk+3.0-3.8.2/./gtk/gtksettings.c:1729
        settings = <optimized out>
        priv = 0x16e6450
        property_id = <optimized out>
#15 0x00007fb13cae9268 in g_closure_invoke (closure=0x1650bd0, return_value=0x0, n_param_values=2, param_values=0x7fffee5cc490, invocation_hint=0x7fffee5cc430) at /build/buildd/glib2.0-2.37.3/./gobject/gclosure.c:777
        marshal = 0x7fb13cae7b60 <g_type_class_meta_marshal>
        marshal_data = 0x40
        in_marshal = 0
        real_closure = 0x1650bb0
        __PRETTY_FUNCTION__ = "g_closure_invoke"
#16 0x00007fb13cafaebf in signal_emit_unlocked_R (node=node@entry=0x1650c60, detail=detail@entry=887, instance=instance@entry=0x16e6480, emission_return=emission_return@entry=0x0, instance_and_params=instance_and_params@entry=0x7fffee5cc490) at /build/buildd/glib2.0-2.37.3/./gobject/gsignal.c:3512
        accumulator = 0x0
        emission = {next = 0x0, instance = 0x16e6480, ihint = {signal_id = 1, detail = 887, run_type = G_SIGNAL_RUN_FIRST}, state = EMISSION_RUN, chain_type = 24015376}
        handler_list = <optimized out>
        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 = 13132
        return_value_altered = <optimized out>
#17 0x00007fb13cb038ba in g_signal_emit_valist (instance=<optimized out>, signal_id=<optimized out>, detail=<optimized out>, var_args=var_args@entry=0x7fffee5cc628) at /build/buildd/glib2.0-2.37.3/./gobject/gsignal.c:3326
        instance_and_params = 0x7fffee5cc490
        signal_return_type = <optimized out>
        param_values = 0x7fffee5cc4a8
        i = <optimized out>
        n_params = <optimized out>
        __PRETTY_FUNCTION__ = "g_signal_emit_valist"
#18 0x00007fb13cb03b92 in g_signal_emit (instance=<optimized out>, signal_id=<optimized out>, detail=<optimized out>) at /build/buildd/glib2.0-2.37.3/./gobject/gsignal.c:3382
        var_args = {{gp_offset = 32, fp_offset = 48, overflow_arg_area = 0x7fffee5cc700, reg_save_area = 0x7fffee5cc640}}
#19 0x00007fb13caed665 in g_object_dispatch_properties_changed (object=0x16e6480, n_pspecs=28687536, pspecs=0x0) at /build/buildd/glib2.0-2.37.3/./gobject/gobject.c:1047
No locals.
#20 0x00007fb13caefddb in g_object_notify_by_spec_internal (pspec=<optimized out>, object=0x16e6480) at /build/buildd/glib2.0-2.37.3/./gobject/gobject.c:1141
        nqueue = 0x0
        notify_pspec = 0x16eb0c0
#21 g_object_notify (object=0x16e6480, property_name=<optimized out>) at /build/buildd/glib2.0-2.37.3/./gobject/gobject.c:1183
        pspec = <optimized out>
        __PRETTY_FUNCTION__ = "g_object_notify"
#22 0x00007fb13f21a4f0 in _gtk_settings_handle_event (event=<optimized out>) at /build/buildd/gtk+3.0-3.8.2/./gtk/gtksettings.c:2459
        screen = <optimized out>
        settings = <optimized out>
        pspec = <optimized out>
#23 0x00007fb13f1a60a5 in gtk_main_do_event (event=0x1f446a0) at /build/buildd/gtk+3.0-3.8.2/./gtk/gtkmain.c:1488
        event_widget = <optimized out>
        grab_widget = 0x0
        topmost_widget = 0x0
        window_group = <optimized out>
        rewritten_event = 0x0
        device = <optimized out>
        tmp_list = <optimized out>
        __PRETTY_FUNCTION__ = "gtk_main_do_event"
#24 0x00007fb13edd4c72 in gdk_event_source_dispatch (source=source@entry=0x16d41f0, callback=<optimized out>, user_data=<optimized out>) at /build/buildd/gtk+3.0-3.8.2/./gdk/x11/gdkeventsource.c:364
        display = <optimized out>
        event = 0x1f446a0
#25 0x00007fb13c8210a6 in g_main_dispatch (context=0x168e040) at /build/buildd/glib2.0-2.37.3/./glib/gmain.c:3058
        dispatch = 0x7fb13edd4c50 <gdk_event_source_dispatch>
        was_in_call = 0
        user_data = 0x0
        callback = 0x0
        cb_funcs = 0x0
        cb_data = 0x0
        need_destroy = <optimized out>
        current_source_link = {data = 0x16d41f0, next = 0x0}
        source = 0x16d41f0
        current = 0x169fd70
        i = 0
#26 g_main_context_dispatch (context=context@entry=0x168e040) at /build/buildd/glib2.0-2.37.3/./glib/gmain.c:3634
No locals.
#27 0x00007fb13c8213f8 in g_main_context_iterate (context=context@entry=0x168e040, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at /build/buildd/glib2.0-2.37.3/./glib/gmain.c:3705
        max_priority = 2147483647
        timeout = -1
        some_ready = 1
        nfds = <optimized out>
        allocated_nfds = 7
        fds = 0x1664b80
#28 0x00007fb13c82149c in g_main_context_iteration (context=0x168e040, context@entry=0x0, may_block=may_block@entry=1) at /build/buildd/glib2.0-2.37.3/./glib/gmain.c:3766
        retval = <optimized out>
#29 0x00007fb13cdc9a1c in g_application_run (application=0x1665120, argc=argc@entry=2, argv=argv@entry=0x7fffee5cca58) at /build/buildd/glib2.0-2.37.3/./gio/gapplication.c:1635
        arguments = 0x16513c0
        status = 0
        i = <optimized out>
        __PRETTY_FUNCTION__ = "g_application_run"
#30 0x000000000042b0b1 in main (argc=2, argv=0x7fffee5cca58) at nautilus-main.c:104
        retval = <optimized out>
        application = 0x1665120