.
Thread 3 (Thread 0xb5134b70 (LWP 6179)):
#0  0x00fca416 in __kernel_vsyscall ()
No symbol table info available.
#1  0x00b183ee in fchownat (fd=16, file=0xb1 <Address 0xb1 out of bounds>, owner=567029528, group=0, flag=12924816) at ../sysdeps/unix/sysv/linux/i386/fchownat.c:93
        result = <optimized out>
        buf = 0x0
Backtrace stopped: previous frame inner to this frame (corrupt stack?)
.
Thread 2 (Thread 0xb47ffb70 (LWP 6180)):
#0  0x00fca416 in __kernel_vsyscall ()
No symbol table info available.
#1  0x00b183ee in fchownat (fd=10, file=0x1 <Address 0x1 out of bounds>, owner=7, group=1, flag=32) at ../sysdeps/unix/sysv/linux/i386/fchownat.c:93
        result = <optimized out>
        buf = 0x0
Backtrace stopped: previous frame inner to this frame (corrupt stack?)
.
Thread 1 (Thread 0xb78d0840 (LWP 6177)):
#0  type_check_is_value_type_U (type=<optimized out>) at /build/buildd/glib2.0-2.29.16/./gobject/gtype.c:4091
        tflags = G_TYPE_FLAG_VALUE_ABSTRACT
        node = 0x21c0dcc8
#1  g_type_check_is_value_type (type=566287560) at /build/buildd/glib2.0-2.29.16/./gobject/gtype.c:4120
No locals.
#2  0x00c7958a in g_value_type_compatible (src_type=566287560, dest_type=568871304) at /build/buildd/glib2.0-2.29.16/./gobject/gvalue.c:499
        _g_boolean_var_ = <optimized out>
#3  0x00c52f62 in g_value_object_collect_value (value=0x21f49154, n_collect_values=1, collect_values=0xbffdeb20, collect_flags=0) at /build/buildd/glib2.0-2.29.16/./gobject/gobject.c:3073
        object = 0x21c4a718
#4  0x00c571c4 in g_object_new_valist (object_type=568236464, first_property_name=0x12dd8e2 "screen", var_args=0xbffdebac "") at /build/buildd/glib2.0-2.29.16/./gobject/gobject.c:1597
        _val = 0x21f49154
        _flags = 0
        _collect_format = <optimized out>
        _cvalues = {{v_int = 566535960, v_long = 566535960, v_int64 = 566535960, v_double = 2.7990595496969062e-315, v_pointer = 0x21c4a718}, {v_int = 0, v_long = 0, v_int64 = 0, v_double = 0, v_pointer = 0x0}, {v_int = 0, v_long = 0, v_int64 = 0, v_double = 0, v_pointer = 0x0}, {v_int = 0, v_long = 0, v_int64 = 0, v_double = 0, v_pointer = 0x0}, {v_int = 0, v_long = 0, v_int64 = 0, v_double = 0, v_pointer = 0x0}, {v_int = 0, v_long = 0, v_int64 = 0, v_double = 0, v_pointer = 0x0}, {v_int = 0, v_long = 0, v_int64 = 0, v_double = 0, v_pointer = 0x0}, {v_int = 0, v_long = 0, v_int64 = 0, v_double = 0, v_pointer = 0x0}}
        _vtab = 0x21c04c10
        _n_values = <optimized out>
        error = 0x0
        pspec = <optimized out>
        class = 0x21e864b8
        params = 0x21f49150
        name = <optimized out>
        object = <optimized out>
        n_params = <optimized out>
        n_alloced_params = 16
        __PRETTY_FUNCTION__ = "g_object_new_valist"
#5  0x00c57460 in g_object_new (object_type=568236464, first_property_name=0x12dd8e2 "screen") at /build/buildd/glib2.0-2.29.16/./gobject/gobject.c:1325
        object = <optimized out>
        var_args = 0xbffdeba8 "\030\247\304!"
        __PRETTY_FUNCTION__ = "g_object_new"
#6  0x012d7a3d in gnome_rr_config_new_current (screen=0x21c4a718, error=0x0) at gnome-rr-config.c:733
        self = <optimized out>
#7  0x1a10edd0 in on_screen_changed (scr=0x21e7ed00, data=0x21de9498) at xrandr-capplet.c:159
        current = <optimized out>
        app = 0x21de9498
#8  0x00c50f6c in g_cclosure_marshal_VOID__VOID (closure=0x21e6e1a0, return_value=0x0, n_param_values=1, param_values=0x21f67b38, invocation_hint=0xbffded00, marshal_data=0x0) at /build/buildd/glib2.0-2.29.16/./gobject/gmarshal.c:85
        callback = 0x1a10eda0 <on_screen_changed>
        cc = 0x21e6e1a0
        data1 = 0x21e7ed00
        data2 = <optimized out>
        __PRETTY_FUNCTION__ = "g_cclosure_marshal_VOID__VOID"
#9  0x00c4fa5c in g_closure_invoke (closure=0x21e6e1a0, return_value=0x0, n_param_values=1, param_values=0x21f67b38, invocation_hint=0xbffded00) at /build/buildd/glib2.0-2.29.16/./gobject/gclosure.c:773
        marshal = 0xc50ee0 <g_cclosure_marshal_VOID__VOID>
        marshal_data = 0x0
        in_marshal = 0
        __PRETTY_FUNCTION__ = "g_closure_invoke"
#10 0x00c63ec0 in signal_emit_unlocked_R (node=0x21e822d8, detail=0, instance=0x21e7ed00, emission_return=0x0, instance_and_params=0x21f67b38) at /build/buildd/glib2.0-2.29.16/./gobject/gsignal.c:3271
        tmp = <optimized out>
        handler = 0x21e7f560
        accumulator = 0x0
        emission = {next = 0x0, instance = 0x21e7ed00, ihint = {signal_id = 261, detail = 0, run_type = G_SIGNAL_RUN_FIRST}, state = EMISSION_RUN, chain_type = 4}
        class_closure = 0x21de8e28
        hlist = 0x21e690d0
        handler_list = 0x21e7f560
        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 = 261
        max_sequential_handler_number = 1251
        return_value_altered = 1
#11 0x00c6cb8f in g_signal_emit_valist (instance=0x21e7ed00, signal_id=261, detail=0, var_args=0xbffdeeac "|\302\217") at /build/buildd/glib2.0-2.29.16/./gobject/gsignal.c:3002
        instance_and_params = 0x21f67b38
        signal_return_type = 4
        param_values = 0x21f67b4c
        node = 0x21e822d8
        i = <optimized out>
        n_params = 0
        __PRETTY_FUNCTION__ = "g_signal_emit_valist"
#12 0x00c6cd03 in g_signal_emit (instance=0x21e7ed00, signal_id=261, detail=0) at /build/buildd/glib2.0-2.29.16/./gobject/gsignal.c:3059
        var_args = 0xbffdeeac "|\302\217"
#13 0x012d4a58 in screen_update (screen=0x21e7ed00, force_callback=1, needs_reprobe=0, error=0x0) at gnome-rr.c:672
        info = 0x21efdcc0
        changed = 0
        __PRETTY_FUNCTION__ = "screen_update"
#14 0x012d4c61 in screen_on_event (data=0x21e7ed00, xevent=<optimized out>, event=<optimized out>) at gnome-rr.c:698
No locals.
#15 screen_on_event (xevent=0xbffdef9c, event=0x21d97218, data=0x21e7ed00) at gnome-rr.c:678
        screen = 0x21e7ed00
        priv = <optimized out>
        e = 0xbffdef9c
        event_num = <optimized out>
#16 0x008ef914 in gdk_event_apply_filters (xevent=0xbffdef9c, event=0x21d97218, window=0x21c2d800) at /build/buildd/gtk+3.0-3.1.12/./gdk/x11/gdkeventsource.c:83
        filter = 0x21e6e338
        node = <optimized out>
        tmp_list = 0x21d7a6d0
        result = <optimized out>
#17 0x008efaf7 in gdk_event_source_translate_event (xevent=0xbffdef9c, event_source=0x21c31c28) at /build/buildd/gtk+3.0-3.1.12/./gdk/x11/gdkeventsource.c:204
        filter_window = 0x21c2d800
        dpy = 0x21c1cec0
        event = 0x21d97218
        result = <optimized out>
        event_translator = <optimized out>
#18 _gdk_x11_display_queue_events (display=0x21c28000) at /build/buildd/gtk+3.0-3.1.12/./gdk/x11/gdkeventsource.c:334
        event = 0x21d97218
        xevent = {type = 101, xany = {type = 101, serial = 42954, send_event = 0, display = 0x21c1cec0, window = 182}, xkey = {type = 101, serial = 42954, send_event = 0, display = 0x21c1cec0, window = 182, root = 182, subwindow = 67728276, time = 67618630, x = 0, y = 1, x_root = 1280, y_root = 1024, state = 339, keycode = 271, same_screen = 0}, xbutton = {type = 101, serial = 42954, send_event = 0, display = 0x21c1cec0, window = 182, root = 182, subwindow = 67728276, time = 67618630, x = 0, y = 1, x_root = 1280, y_root = 1024, state = 339, button = 271, same_screen = 0}, xmotion = {type = 101, serial = 42954, send_event = 0, display = 0x21c1cec0, window = 182, root = 182, subwindow = 67728276, time = 67618630, x = 0, y = 1, x_root = 1280, y_root = 1024, state = 339, is_hint = 15 '\017', same_screen = 0}, xcrossing = {type = 101, serial = 42954, send_event = 0, display = 0x21c1cec0, window = 182, root = 182, subwindow = 67728276, time = 67618630, x = 0, y = 1, x_root = 1280, y_root = 1024, mode = 339, detail = 271, same_screen = 0, focus = 0, state = 0}, xfocus = {type = 101, serial = 42954, send_event = 0, display = 0x21c1cec0, window = 182, mode = 182, detail = 67728276}, xexpose = {type = 101, serial = 42954, send_event = 0, display = 0x21c1cec0, window = 182, x = 182, y = 67728276, width = 67618630, height = 0, count = 1}, xgraphicsexpose = {type = 101, serial = 42954, send_event = 0, display = 0x21c1cec0, drawable = 182, x = 182, y = 67728276, width = 67618630, height = 0, count = 1, major_code = 1280, minor_code = 1024}, xnoexpose = {type = 101, serial = 42954, send_event = 0, display = 0x21c1cec0, drawable = 182, major_code = 182, minor_code = 67728276}, xvisibility = {type = 101, serial = 42954, send_event = 0, display = 0x21c1cec0, window = 182, state = 182}, xcreatewindow = {type = 101, serial = 42954, send_event = 0, display = 0x21c1cec0, parent = 182, window = 182, x = 67728276, y = 67618630, width = 0, height = 1, border_width = 1280, override_redirect = 1024}, xdestroywindow = {type = 101, serial = 42954, send_event = 0, display = 0x21c1cec0, event = 182, window = 182}, xunmap = {type = 101, serial = 42954, send_event = 0, display = 0x21c1cec0, event = 182, window = 182, from_configure = 67728276}, xmap = {type = 101, serial = 42954, send_event = 0, display = 0x21c1cec0, event = 182, window = 182, override_redirect = 67728276}, xmaprequest = {type = 101, serial = 42954, send_event = 0, display = 0x21c1cec0, parent = 182, window = 182}, xreparent = {type = 101, serial = 42954, send_event = 0, display = 0x21c1cec0, event = 182, window = 182, parent = 67728276, x = 67618630, y = 0, override_redirect = 1}, xconfigure = {type = 101, serial = 42954, send_event = 0, display = 0x21c1cec0, event = 182, window = 182, x = 67728276, y = 67618630, width = 0, height = 1, border_width = 1280, above = 1024, override_redirect = 339}, xgravity = {type = 101, serial = 42954, send_event = 0, display = 0x21c1cec0, event = 182, window = 182, x = 67728276, y = 67618630}, xresizerequest = {type = 101, serial = 42954, send_event = 0, display = 0x21c1cec0, window = 182, width = 182, height = 67728276}, xconfigurerequest = {type = 101, serial = 42954, send_event = 0, display = 0x21c1cec0, parent = 182, window = 182, x = 67728276, y = 67618630, width = 0, height = 1, border_width = 1280, above = 1024, detail = 339, value_mask = 271}, xcirculate = {type = 101, serial = 42954, send_event = 0, display = 0x21c1cec0, event = 182, window = 182, place = 67728276}, xcirculaterequest = {type = 101, serial = 42954, send_event = 0, display = 0x21c1cec0, parent = 182, window = 182, place = 67728276}, xproperty = {type = 101, serial = 42954, send_event = 0, display = 0x21c1cec0, window = 182, atom = 182, time = 67728276, state = 67618630}, xselectionclear = {type = 101, serial = 42954, send_event = 0, display = 0x21c1cec0, window = 182, selection = 182, time = 67728276}, xselectionrequest = {type = 101, serial = 42954, send_event = 0, display = 0x21c1cec0, owner = 182, requestor = 182, selection = 67728276, target = 67618630, property = 0, time = 1}, xselection = {type = 101, serial = 42954, send_event = 0, display = 0x21c1cec0, requestor = 182, selection = 182, target = 67728276, property = 67618630, time = 0}, xcolormap = {type = 101, serial = 42954, send_event = 0, display = 0x21c1cec0, window = 182, colormap = 182, new = 67728276, state = 67618630}, xclient = {type = 101, serial = 42954, send_event = 0, display = 0x21c1cec0, window = 182, message_type = 182, format = 67728276, data = {b = "F\307\a\004\000\000\000\000\001\000\000\000\000\005\000\000\000\004\000", s = {-14522, 1031, 0, 0, 1, 0, 1280, 0, 1024, 0}, l = {67618630, 0, 1, 1280, 1024}}}, xmapping = {type = 101, serial = 42954, send_event = 0, display = 0x21c1cec0, window = 182, request = 182, first_keycode = 67728276, count = 67618630}, xerror = {type = 101, display = 0xa7ca, resourceid = 0, serial = 566349504, error_code = 182 '\266', request_code = 0 '\000', minor_code = 0 '\000'}, xkeymap = {type = 101, serial = 42954, send_event = 0, display = 0x21c1cec0, window = 182, key_vector = "\266\000\000\000\224s\t\004F\307\a\004\000\000\000\000\001\000\000\000\000\005\000\000\000\004\000\000S\001\000"}, xgeneric = {type = 101, serial = 42954, send_event = 0, display = 0x21c1cec0, extension = 182, evtype = 182}, xcookie = {type = 101, serial = 42954, send_event = 0, display = 0x21c1cec0, extension = 182, evtype = 182, cookie = 67728276, data = 0x407c746}, pad = {101, 42954, 0, 566349504, 182, 182, 67728276, 67618630, 0, 1, 1280, 1024, 339, 271, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}}
        xdisplay = 0x21c1cec0
        event_source = 0x21c31c28
        display_x11 = <optimized out>
#19 0x008bee5e in gdk_display_get_event (display=0x21c28000) at /build/buildd/gtk+3.0-3.1.12/./gdk/gdkdisplay.c:311
        __PRETTY_FUNCTION__ = "gdk_display_get_event"
#20 0x008ef75a in gdk_event_source_dispatch (source=0x21c31c28, callback=0, user_data=0x0) at /build/buildd/gtk+3.0-3.1.12/./gdk/x11/gdkeventsource.c:356
        display = 0x21c28000
        event = <optimized out>
#21 0x0099e81f in g_main_dispatch (context=0x21c30650) at /build/buildd/glib2.0-2.29.16/./glib/gmain.c:2439
        dispatch = 0x8ef730 <gdk_event_source_dispatch>
        was_in_call = 0
        user_data = 0x0
        callback = 0
        cb_funcs = 0x0
        cb_data = 0x0
        current_source_link = {data = 0x21c31c28, next = 0x0}
        need_destroy = <optimized out>
        source = 0x21c31c28
        current = 0x21d337d8
        i = <optimized out>
#22 g_main_context_dispatch (context=0x21c30650) at /build/buildd/glib2.0-2.29.16/./glib/gmain.c:3008
No locals.
#23 0x0099ef50 in g_main_context_iterate (context=0x21c30650, block=10148112, dispatch=1, self=<optimized out>) at /build/buildd/glib2.0-2.29.16/./glib/gmain.c:3086
        max_priority = 0
        timeout = 0
        some_ready = 1
        nfds = <optimized out>
        allocated_nfds = <optimized out>
        fds = 0x21c46550
#24 0x0099f55b in g_main_loop_run (loop=0x21dcf720) at /build/buildd/glib2.0-2.29.16/./glib/gmain.c:3294
        __PRETTY_FUNCTION__ = "g_main_loop_run"
#25 0x0027d7a5 in gtk_main () at /build/buildd/gtk+3.0-3.1.12/./gtk/gtkmain.c:1367
        loop = 0x21dcf720
#26 0x0017db74 in gtk_application_run_mainloop (application=0x21d322c0) at /build/buildd/gtk+3.0-3.1.12/./gtk/gtkapplication.c:112
No locals.
#27 0x0079708c in g_application_run (application=0x21d322c0, argc=2, argv=0xbffdf2d4) at /build/buildd/glib2.0-2.29.16/./gio/gapplication.c:1325
        arguments = 0x21dcf720
        status = 0
        i = <optimized out>
        __PRETTY_FUNCTION__ = "g_application_run"
#28 0x00d409b8 in main (argc=2, argv=0xbffdf2d4) at control-center.c:193
        shell = <optimized out>
        application = 0x21d322c0
        status = <optimized out>