Stacktrace:
 #0  0x00007f4f85202fdb in free_pending_nulls (perform_nulls=4, context=<optimized out>) at /build/buildd/glib2.0-2.34.0/./glib/goption.c:1618
         list = 0x2
 #1  0x00007f4f852027c0 in g_node_copy_deep (node=0x400000000, copy_func=0x1, data=0x7f4f8082f530) at /build/buildd/glib2.0-2.34.0/./glib/gnode.c:198
         child = <optimized out>
         new_child = <optimized out>
         new_node = 0x0
 #2  0x00007f4f852375d1 in g_io_unix_read (channel=0x7f4f88e23740 <main_arena>, buf=0x5 <Address 0x5 out of bounds>, count=1, bytes_read=0x7f4f88e23770 <main_arena+48>, err=0x0) at /build/buildd/glib2.0-2.34.0/./glib/giounix.c:191
         unix_channel = <optimized out>
         result = 31767488
 #3  0x0000000001d93950 in ?? ()
 No symbol table info available.
 #4  0x00007f4f856d3e22 in g_signal_emit_valist (instance=0x1, signal_id=<optimized out>, detail=0, var_args=0x1c8c7f0) at /build/buildd/glib2.0-2.34.0/./gobject/gsignal.c:3211
         return_accu = <optimized out>
         accu = {g_type = 20265280, data = {{v_int = 2131336268, v_uint = 2131336268, v_long = 139979410480204, v_ulong = 139979410480204, v_int64 = 139979410480204, v_uint64 = 139979410480204, v_float = 1.82915775e+38, v_double = 6.9159017843378944e-310, v_pointer = 0x7f4f7f099c4c}, {v_int = 29935600, v_uint = 29935600, v_long = 29935600, v_ulong = 29935600, v_int64 = 29935600, v_uint64 = 29935600, v_float = 7.37552932e-38, v_double = 1.479015154764522e-316, v_pointer = 0x1c8c7f0}}}
         accumulator = 0x7f4f893be998
         emission = {next = 0x1708e00, instance = 0x7ccc43bc458aaf00, ihint = {signal_id = 20264464, detail = 0, run_type = (G_SIGNAL_RUN_CLEANUP | G_SIGNAL_NO_RECURSE | G_SIGNAL_NO_HOOKS | G_SIGNAL_DEPRECATED | unknown: 2133516288)}, state = 32591, chain_type = 31154240}
         signal_id = <optimized out>
         instance_type = <optimized out>
         emission_return = {g_type = 24153600, 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 = 24153600, v_uint = 24153600, v_long = 24153600, v_ulong = 24153600, v_int64 = 24153600, v_uint64 = 24153600, v_float = 4.41829182e-38, v_double = 1.1933463983391133e-316, v_pointer = 0x1708e00}}}
         rtype = 0
         static_scope = 0
         closure = 0x7fff960ec0f8
         run_type = <optimized out>
         hlist = 0x7f4f893be998
         l = <optimized out>
         fastpath = 0
         instance_and_params = <optimized out>
         signal_return_type = <optimized out>
         param_values = <optimized out>
         node = 0x7fff960ec410
         i = <optimized out>
         n_params = <optimized out>
         __PRETTY_FUNCTION__ = "g_signal_emit_valist"
 #5  0x00007f4f7f2ae14c in ?? ()
 No symbol table info available.
 #6  0x0000000001db6040 in ?? ()
 No symbol table info available.
 #7  0x00007f4f807ce357 in g_settings_class_init (class=0x7fff960ec4c8) at /build/buildd/glib2.0-2.34.0/./gio/gsettings.c:783
         object_class = 0x7fff960ec4c8
 #8  g_settings_class_intern_init (klass=0x7fff960ec4c8) at /build/buildd/glib2.0-2.34.0/./gio/gsettings.c:268
 No locals.
 #9  0x00007f4f807d1848 in get_session_address_dbus_launch (error=<optimized out>) at /build/buildd/glib2.0-2.34.0/./gio/gdbusaddress.c:1117
         ret = 0x134eb00 "\002"
         machine_id = 0x7f4f7f2ada20 <Address 0x7f4f7f2ada20 out of bounds>
         command_line = 0x7f4f807ca39e <g_settings_backend_path_writable_changed+46> "\205\300u&H\215\025g1\006"
         launch_stdout = 0x0
         launch_stderr = 0x0
         exit_status = 0
         old_dbus_verbose = 0x7f4f7f2ae14c <Address 0x7f4f7f2ae14c out of bounds>
         restore_dbus_verbose = -2139299431
 #10 0x00007f4f852375d1 in g_io_unix_read (channel=0x7f4f88e23740 <main_arena>, buf=0x5 <Address 0x5 out of bounds>, count=1, bytes_read=0x7f4f88e23770 <main_arena+48>, err=0x0) at /build/buildd/glib2.0-2.34.0/./glib/giounix.c:191
         unix_channel = <optimized out>
         result = 31767488
 #11 0x00007f4f7f2ae130 in ?? ()
 No symbol table info available.
 #12 0x0000000001c361e0 in ?? ()
 No symbol table info available.
 #13 0x0000000001353940 in ?? ()
 No symbol table info available.
 #14 0x00007f4f807d2523 in g_dbus_is_supported_address (string=<optimized out>, error=0x7f4f7f2ada49) at /build/buildd/glib2.0-2.34.0/./gio/gdbusaddress.c:391
         n = 0
         a = 0x1f72ee0
         ret = 0
         __PRETTY_FUNCTION__ = "g_dbus_is_supported_address"
 #15 0x00007f4f85206fa0 in g_pattern_ph_match (wildcard_reached_p=<synthetic pointer>, match_string=0x1c34e00 "\025\372l\201O\177", match_pattern=0x0) at /build/buildd/glib2.0-2.34.0/./glib/gpattern.c:117
         pattern = 0x7fff960ec670 "\360\222\303\001"
         string = 0x7fff960ec670 "\360\222\303\001"
         ch = -16 '\360'
 #16 g_pattern_ph_match (wildcard_reached_p=<synthetic pointer>, match_string=0x1 <Address 0x1 out of bounds>, match_pattern=0x0) at /build/buildd/glib2.0-2.34.0/./glib/gpattern.c:135
         next_wildcard_reached = <optimized out>
         pattern = 0x7f4f88aedfb4 <__GI___libc_malloc+116> "\377H\205\300I\211\305ts\203=0\262\063"
         string = 0x1c34e00 "\025\372l\201O\177"
         ch = <optimized out>
 #17 g_pattern_ph_match (wildcard_reached_p=<synthetic pointer>, match_string=<optimized out>, match_pattern=<optimized out>) at /build/buildd/glib2.0-2.34.0/./glib/gpattern.c:135
         next_wildcard_reached = <optimized out>
         pattern = 0x0
         string = 0x1 <Address 0x1 out of bounds>
         ch = <optimized out>
 #18 g_pattern_match (string_reversed=<optimized out>, string=<optimized out>, string_length=<optimized out>, pspec=<optimized out>) at /build/buildd/glib2.0-2.34.0/./glib/gpattern.c:212
 No locals.
 #19 g_pattern_match (pspec=<optimized out>, string_length=<optimized out>, string=<optimized out>, string_reversed=<optimized out>) at /build/buildd/glib2.0-2.34.0/./glib/gpattern.c:193
 No locals.
 #20 0x0000000000000001 in ?? ()
 No symbol table info available.
 #21 0x0000000001c392f0 in ?? ()
 No symbol table info available.
 #22 0x00007f4f814a5120 in gtk_grab_notify_foreach (child=0x1c2c220, data=0x7ccc43bc458aaf00) at /build/buildd/gtk+2.0-2.24.13/gtk/gtkmain.c:1815
         info = 0x7ccc43bc458aaf00
         was_grabbed = 1
         is_grabbed = 0
         was_shadowed = 20245248
         is_shadowed = 20245256
 #23 0x00007f4f814a51a9 in rewrite_events_translate (old_window=0x7f4f88e23740 <main_arena>, new_window=0x5, x=0x1, y=0x7f4f88e23770 <main_arena+48>) at /build/buildd/gtk+2.0-2.24.13/gtk/gtkmain.c:1395
         old_origin_x = 1
         old_origin_y = 0
         new_origin_x = -2119642619
         new_origin_y = 32591
 #24 0x0000000001495700 in ?? ()
 No symbol table info available.
 #25 0x0000000000000005 in ?? ()
 No symbol table info available.
 #26 0x00007f4f88ed74bc in Perl_pp_entersub () from /usr/lib/libperl.so.5.14
 No symbol table info available.
 #27 0x00007f4f88eceaa6 in Perl_runops_standard () from /usr/lib/libperl.so.5.14
 No symbol table info available.
 #28 0x00007f4f88e70615 in perl_run () from /usr/lib/libperl.so.5.14
 No symbol table info available.
 #29 0x0000000000400e19 in main ()
 No symbol table info available.