.
Thread 4 (Thread 0x7f20939e2700 (LWP 32709)):
#0  pthread_cond_timedwait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:215
No locals.
#1  0x00007f20ad02ffa5 in g_cond_wait_until (cond=cond@entry=0xe70f08, mutex=mutex@entry=0xe70f00, end_time=end_time@entry=171102012470) at /build/buildd/glib2.0-2.34.0/./glib/gthread-posix.c:855
        ts = {tv_sec = 171102, tv_nsec = 12470000}
        status = <optimized out>
#2  0x00007f20acfc9761 in g_async_queue_pop_intern_unlocked (queue=queue@entry=0xe70f00, wait=wait@entry=1, end_time=end_time@entry=171102012470) at /build/buildd/glib2.0-2.34.0/./glib/gasyncqueue.c:424
        retval = <optimized out>
        __PRETTY_FUNCTION__ = "g_async_queue_pop_intern_unlocked"
#3  0x00007f20acfc9e79 in g_async_queue_timed_pop (queue=0xe70f00, end_time=end_time@entry=0x7f20939e1b10) at /build/buildd/glib2.0-2.34.0/./glib/gasyncqueue.c:612
        m_end_time = 171102012470
        retval = <optimized out>
        __PRETTY_FUNCTION__ = "g_async_queue_timed_pop"
#4  0x00007f20939e952d in dropbox_command_client_thread (dcc=0xd1e348) at dropbox-command-client.c:682
        gtv = {tv_sec = 1351146972, tv_usec = 989279}
        dc = <optimized out>
        chan = 0x7f208c001500
        gerr = 0x0
        sock = <optimized out>
        failflag = 0
        addr = {sun_family = 1, sun_path = "/home/lee/.dropbox/command_socket\000\000\000\000\000 \000\000\214 \177\000\000\004\000\000\000\000\000\000\000\000s\374\254 \177\000\000\300)\236\223 \177\000\000\000\000\000\000\000\000\000\000\003\000\000\000\000\000\000\000\265\257S\254 \177\000\000P\f*\255 \177\000\000\000\000\000\000\000"}
        addr_len = 35
        connection_attempts = 0
#5  0x00007f20ad016645 in g_thread_proxy (data=0xe64720) at /build/buildd/glib2.0-2.34.0/./glib/gthread.c:797
        thread = 0xe64720
#6  0x00007f20ac87ee9a in start_thread (arg=0x7f20939e2700) at pthread_create.c:308
        __res = <optimized out>
        pd = 0x7f20939e2700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {0, -5668645917655119120, 140736052289168, 139777892297152, 0, 3, 5698684853308017392, 5698660591643839216}, 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  0x00007f20ac5abcbd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
No locals.
#8  0x0000000000000000 in ?? ()
No symbol table info available.
.
Thread 3 (Thread 0x7f20a287b700 (LWP 32638)):
#0  0x00007f20ac5a0303 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  0x00007f20acff2d84 in g_main_context_poll (n_fds=1, fds=0x7f20940010c0, timeout=-1, context=0xe4aaf0, priority=<optimized out>) at /build/buildd/glib2.0-2.34.0/./glib/gmain.c:3584
        poll_func = 0x7f20ad000e00 <g_poll>
#2  g_main_context_iterate (context=context@entry=0xe4aaf0, block=block@entry=1, dispatch=dispatch@entry=1, self=<error reading variable: Unhandled dwarf expression opcode 0xfa>) at /build/buildd/glib2.0-2.34.0/./glib/gmain.c:3285
        max_priority = 2147483647
        timeout = -1
        some_ready = <optimized out>
        nfds = 1
        allocated_nfds = <optimized out>
        fds = 0x7f20940010c0
#3  0x00007f20acff2ea4 in g_main_context_iteration (context=context@entry=0xe4aaf0, may_block=may_block@entry=1) at /build/buildd/glib2.0-2.34.0/./glib/gmain.c:3351
        retval = <optimized out>
#4  0x00007f20a28824ad in dconf_gdbus_worker_thread (user_data=0xe4aaf0) at dconf-gdbus-thread.c:81
        context = 0xe4aaf0
#5  0x00007f20ad016645 in g_thread_proxy (data=0xe452d0) at /build/buildd/glib2.0-2.34.0/./glib/gthread.c:797
        thread = 0xe452d0
#6  0x00007f20ac87ee9a in start_thread (arg=0x7f20a287b700) at pthread_create.c:308
        __res = <optimized out>
        pd = 0x7f20a287b700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {0, -5668645917655119120, 140736052288480, 139778142484928, 0, 3, 5698647395287616240, 5698660591643839216}, 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  0x00007f20ac5abcbd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
No locals.
#8  0x0000000000000000 in ?? ()
No symbol table info available.
.
Thread 2 (Thread 0x7f20a3692700 (LWP 32627)):
#0  0x00007f20ac5a0303 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  0x00007f20acff2d84 in g_main_context_poll (n_fds=9, fds=0x7f209c00a110, timeout=-1, context=0xd4e390, priority=<optimized out>) at /build/buildd/glib2.0-2.34.0/./glib/gmain.c:3584
        poll_func = 0x7f20ad000e00 <g_poll>
#2  g_main_context_iterate (context=0xd4e390, block=block@entry=1, dispatch=dispatch@entry=1, self=<error reading variable: Unhandled dwarf expression opcode 0xfa>) at /build/buildd/glib2.0-2.34.0/./glib/gmain.c:3285
        max_priority = 2147483647
        timeout = -1
        some_ready = <optimized out>
        nfds = 9
        allocated_nfds = <optimized out>
        fds = 0x7f209c00a110
#3  0x00007f20acff31e2 in g_main_loop_run (loop=0xd4e320) at /build/buildd/glib2.0-2.34.0/./glib/gmain.c:3484
        __PRETTY_FUNCTION__ = "g_main_loop_run"
#4  0x00007f20ad5bd3b6 in gdbus_shared_thread_func (user_data=0xd4e360) at /build/buildd/glib2.0-2.34.0/./gio/gdbusprivate.c:277
        data = 0xd4e360
#5  0x00007f20ad016645 in g_thread_proxy (data=0xd49a30) at /build/buildd/glib2.0-2.34.0/./glib/gthread.c:797
        thread = 0xd49a30
#6  0x00007f20ac87ee9a in start_thread (arg=0x7f20a3692700) at pthread_create.c:308
        __res = <optimized out>
        pd = 0x7f20a3692700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {0, -5668645917655119120, 140736052287712, 139778157259200, 0, 3, 5698648096977898224, 5698660591643839216}, 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  0x00007f20ac5abcbd 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 0x7f20b0877980 (LWP 32602)):
#0  g_logv (log_domain=0x7f20af55d7e6 "Gdk", log_level=G_LOG_LEVEL_ERROR, format=<optimized out>, args=args@entry=0x7fffaa676328) at /build/buildd/glib2.0-2.34.0/./glib/gmessages.c:974
        domain = 0x0
        data = <optimized out>
        depth = <optimized out>
        log_func = 0x7f2090244970 <log_handler>
        domain_fatal_mask = <optimized out>
        masquerade_fatal = <optimized out>
        test_level = <optimized out>
        was_fatal = <optimized out>
        was_recursion = <optimized out>
        msg = 0x2087530 "The program 'nautilus' received an X Window System error.\nThis probably reflects a bug in the program.\nThe error was 'BadDrawable (invalid Pixmap or Window parameter)'.\n  (Details: serial 365840 error"...
        msg_alloc = 0x2087530 "The program 'nautilus' received an X Window System error.\nThis probably reflects a bug in the program.\nThe error was 'BadDrawable (invalid Pixmap or Window parameter)'.\n  (Details: serial 365840 error"...
        i = 2
#1  0x00007f20acff9e42 in g_log (log_domain=log_domain@entry=0x7f20af55d7e6 "Gdk", log_level=log_level@entry=G_LOG_LEVEL_ERROR, format=format@entry=0x7f20af5685a7 "%s") at /build/buildd/glib2.0-2.34.0/./glib/gmessages.c:1003
        args = {{gp_offset = 32, fp_offset = 48, overflow_arg_area = 0x7fffaa676400, reg_save_area = 0x7fffaa676340}}
#2  0x00007f20af54307d in _gdk_x11_display_error_event (display=display@entry=0xd19040, error=error@entry=0x7fffaa6764c0) at /build/buildd/gtk+3.0-3.6.0/./gdk/x11/gdkdisplay-x11.c:2417
        buf = "BadDrawable (invalid Pixmap or Window parameter)", '\000' <repeats 15 times>
        msg = <optimized out>
        display_x11 = 0xd19040
        tmp_list = <optimized out>
        ignore = 0
#3  0x00007f20af54de41 in gdk_x_error (error=0x7fffaa6764c0, xdisplay=0xd0af60) at /build/buildd/gtk+3.0-3.6.0/./gdk/x11/gdkmain-x11.c:303
        error_display = 0xd19040
        manager = <optimized out>
        displays = 0x0
#4  gdk_x_error (xdisplay=0xd0af60, error=0x7fffaa6764c0) at /build/buildd/gtk+3.0-3.6.0/./gdk/x11/gdkmain-x11.c:266
No locals.
#5  0x00007f20ae6924f6 in _XError (dpy=dpy@entry=0xd0af60, rep=rep@entry=0x2001e80) at ../../src/XlibInt.c:1583
        rtn_val = <optimized out>
        event = {type = 0, xany = {type = 0, serial = 13676384, send_event = 115343361, display = 0x59510, window = 140736045528329}, xkey = {type = 0, serial = 13676384, send_event = 115343361, display = 0x59510, window = 140736045528329, root = 139778263931140, subwindow = 72339073309605894, time = 13695760, x = 365845, y = 0, x_root = -1436064416, y_root = 32767, state = 2858903064, keycode = 32767, same_screen = -1446716063}, xbutton = {type = 0, serial = 13676384, send_event = 115343361, display = 0x59510, window = 140736045528329, root = 139778263931140, subwindow = 72339073309605894, time = 13695760, x = 365845, y = 0, x_root = -1436064416, y_root = 32767, state = 2858903064, button = 32767, same_screen = -1446716063}, xmotion = {type = 0, serial = 13676384, send_event = 115343361, display = 0x59510, window = 140736045528329, root = 139778263931140, subwindow = 72339073309605894, time = 13695760, x = 365845, y = 0, x_root = -1436064416, y_root = 32767, state = 2858903064, is_hint = -1 '\377', same_screen = -1446716063}, xcrossing = {type = 0, serial = 13676384, send_event = 115343361, display = 0x59510, window = 140736045528329, root = 139778263931140, subwindow = 72339073309605894, time = 13695760, x = 365845, y = 0, x_root = -1436064416, y_root = 32767, mode = -1436064232, detail = 32767, same_screen = -1446716063, focus = 32544, state = 2858903136}, xfocus = {type = 0, serial = 13676384, send_event = 115343361, display = 0x59510, window = 140736045528329, mode = -1446717180, detail = 32544}, xexpose = {type = 0, serial = 13676384, send_event = 115343361, display = 0x59510, window = 140736045528329, x = -1446717180, y = 32544, width = 6, height = 16842753, count = 13695760}, xgraphicsexpose = {type = 0, serial = 13676384, send_event = 115343361, display = 0x59510, drawable = 140736045528329, x = -1446717180, y = 32544, width = 6, height = 16842753, count = 13695760, major_code = 0, minor_code = 365845}, xnoexpose = {type = 0, serial = 13676384, send_event = 115343361, display = 0x59510, drawable = 140736045528329, major_code = -1446717180, minor_code = 32544}, xvisibility = {type = 0, serial = 13676384, send_event = 115343361, display = 0x59510, window = 140736045528329, state = -1446717180}, xcreatewindow = {type = 0, serial = 13676384, send_event = 115343361, display = 0x59510, parent = 140736045528329, window = 139778263931140, x = 6, y = 16842753, width = 13695760, height = 0, border_width = 365845, override_redirect = 0}, xdestroywindow = {type = 0, serial = 13676384, send_event = 115343361, display = 0x59510, event = 140736045528329, window = 139778263931140}, xunmap = {type = 0, serial = 13676384, send_event = 115343361, display = 0x59510, event = 140736045528329, window = 139778263931140, from_configure = 6}, xmap = {type = 0, serial = 13676384, send_event = 115343361, display = 0x59510, event = 140736045528329, window = 139778263931140, override_redirect = 6}, xmaprequest = {type = 0, serial = 13676384, send_event = 115343361, display = 0x59510, parent = 140736045528329, window = 139778263931140}, xreparent = {type = 0, serial = 13676384, send_event = 115343361, display = 0x59510, event = 140736045528329, window = 139778263931140, parent = 72339073309605894, x = 13695760, y = 0, override_redirect = 365845}, xconfigure = {type = 0, serial = 13676384, send_event = 115343361, display = 0x59510, event = 140736045528329, window = 139778263931140, x = 6, y = 16842753, width = 13695760, height = 0, border_width = 365845, above = 140736052290912, override_redirect = -1436064232}, xgravity = {type = 0, serial = 13676384, send_event = 115343361, display = 0x59510, event = 140736045528329, window = 139778263931140, x = 6, y = 16842753}, xresizerequest = {type = 0, serial = 13676384, send_event = 115343361, display = 0x59510, window = 140736045528329, width = -1446717180, height = 32544}, xconfigurerequest = {type = 0, serial = 13676384, send_event = 115343361, display = 0x59510, parent = 140736045528329, window = 139778263931140, x = 6, y = 16842753, width = 13695760, height = 0, border_width = 365845, above = 140736052290912, detail = -1436064232, value_mask = 139778263932257}, xcirculate = {type = 0, serial = 13676384, send_event = 115343361, display = 0x59510, event = 140736045528329, window = 139778263931140, place = 6}, xcirculaterequest = {type = 0, serial = 13676384, send_event = 115343361, display = 0x59510, parent = 140736045528329, window = 139778263931140, place = 6}, xproperty = {type = 0, serial = 13676384, send_event = 115343361, display = 0x59510, window = 140736045528329, atom = 139778263931140, time = 72339073309605894, state = 13695760}, xselectionclear = {type = 0, serial = 13676384, send_event = 115343361, display = 0x59510, window = 140736045528329, selection = 139778263931140, time = 72339073309605894}, xselectionrequest = {type = 0, serial = 13676384, send_event = 115343361, display = 0x59510, owner = 140736045528329, requestor = 139778263931140, selection = 72339073309605894, target = 13695760, property = 365845, time = 140736052290912}, xselection = {type = 0, serial = 13676384, send_event = 115343361, display = 0x59510, requestor = 140736045528329, selection = 139778263931140, target = 72339073309605894, property = 13695760, time = 365845}, xcolormap = {type = 0, serial = 13676384, send_event = 115343361, display = 0x59510, window = 140736045528329, colormap = 139778263931140, new = 6, state = 16842753}, xclient = {type = 0, serial = 13676384, send_event = 115343361, display = 0x59510, window = 140736045528329, message_type = 139778263931140, format = 6, data = {b = "\020\373\320\000\000\000\000\000\025\225\005\000\000\000\000\000`eg\252", s = {-1264, 208, 0, 0, -27371, 5, 0, 0, 25952, -21913}, l = {13695760, 365845, 140736052290912, 140736052291096, 139778263932257}}}, xmapping = {type = 0, serial = 13676384, send_event = 115343361, display = 0x59510, window = 140736045528329, request = -1446717180, first_keycode = 32544, count = 6}, xerror = {type = 0, display = 0xd0af60, resourceid = 115343361, serial = 365840, error_code = 9 '\t', request_code = 53 '5', minor_code = 0 '\000'}, xkeymap = {type = 0, serial = 13676384, send_event = 115343361, display = 0x59510, window = 140736045528329, key_vector = "\004\331\304\251 \177\000\000\006\000\000\000\001\000\001\001\020\373\320\000\000\000\000\000\025\225\005\000\000\000\000"}, xgeneric = {type = 0, serial = 13676384, send_event = 115343361, display = 0x59510, extension = -1442826999, evtype = 32767}, xcookie = {type = 0, serial = 13676384, send_event = 115343361, display = 0x59510, extension = -1442826999, evtype = 32767, cookie = 2848250116, data = 0x101000100000006}, pad = {0, 13676384, 115343361, 365840, 140736045528329, 139778263931140, 72339073309605894, 13695760, 365845, 140736052290912, 140736052291096, 139778263932257, 140736052291168, 139778263932570, 1, 26445568, 365845, 140733193388032, 0, 0, 1, 33562240, 0, 13695784}}
        async = <optimized out>
        next = <optimized out>
#6  0x00007f20ae68f741 in handle_error (dpy=dpy@entry=0xd0af60, err=err@entry=0x2001e80, in_XReply=in_XReply@entry=1) at ../../src/xcb_io.c:212
        ext = <optimized out>
        ret_code = 0
#7  0x00007f20ae68f785 in handle_response (dpy=dpy@entry=0xd0af60, response=0x2001e80, in_XReply=in_XReply@entry=1) at ../../src/xcb_io.c:324
        async = <optimized out>
        next = <optimized out>
#8  0x00007f20ae690378 in _XReply (dpy=dpy@entry=0xd0af60, rep=rep@entry=0x7fffaa676660, extra=extra@entry=0, discard=discard@entry=1) at ../../src/xcb_io.c:626
        event = <optimized out>
        req = 0x2298bf0
        response = 0x1938700
        error = 0x0
        c = 0xd0fb10
        reply = <optimized out>
        current = 0x2298bf0
        __PRETTY_FUNCTION__ = "_XReply"
#9  0x00007f20ae68bd3d in XSync (dpy=0xd0af60, discard=0) at ../../src/Sync.c:44
        rep = {type = 6 '\006', revertTo = 0 '\000', sequenceNumber = 0, length = 262149, focus = 18103600, pad1 = 0, pad2 = 1080, pad3 = 0, pad4 = 1920, pad5 = 0}
#10 0x00007f20af52063c in gdk_flush () at /build/buildd/gtk+3.0-3.6.0/./gdk/gdkdisplay.c:474
        display = <optimized out>
        list = 0x2405e80
        l = 0x2405e80
#11 0x00007f20afe4cb6e in make_root_pixmap (height=1080, width=1920, screen=0xd1e110) at gnome-bg.c:1236
        display_name = <optimized out>
        surface = <optimized out>
        depth = <optimized out>
        display = <optimized out>
        result = <optimized out>
        screen_num = 0
#12 gnome_bg_create_surface (bg=0x1143d30, window=0x116d360, width=width@entry=1920, height=height@entry=1080, root=root@entry=1) at gnome-bg.c:1132
        pm_width = 1920
        pm_height = 1080
        surface = <optimized out>
        average = {red = 0, green = 6.9059684345444641e-310, blue = 1.3347029273919773e-316, alpha = 6.9059686909434871e-310}
        cr = <optimized out>
        __PRETTY_FUNCTION__ = "gnome_bg_create_surface"
#13 0x000000000049475b in nautilus_desktop_background_ensure_realized (self=self@entry=0x1136910) at nautilus-desktop-background.c:240
        entire_width = 1920
        entire_height = 1080
        screen = <optimized out>
        window = <optimized out>
#14 0x0000000000494818 in nautilus_desktop_background_set_up_widget (self=self@entry=0x1136910) at nautilus-desktop-background.c:305
        window = <optimized out>
        in_fade = 0
        widget = 0xd1e510
#15 0x0000000000494960 in background_changed_cb (self=0x1136910) at nautilus-desktop-background.c:329
No locals.
#16 0x00007f20acff2ab5 in g_main_dispatch (context=0xd068d0) at /build/buildd/glib2.0-2.34.0/./glib/gmain.c:2715
        dispatch = 0x7f20acfefe60 <g_idle_dispatch>
        was_in_call = 0
        user_data = 0x1136910
        callback = 0x494920 <background_changed_cb>
        cb_funcs = 0x7f20ad2a09e0
        cb_data = 0x1a147b0
        current_source_link = {data = 0x1f2f970, next = 0x0}
        need_destroy = <optimized out>
        source = 0x1f2f970
        current = 0xd349b0
        i = <optimized out>
#17 g_main_context_dispatch (context=context@entry=0xd068d0) at /build/buildd/glib2.0-2.34.0/./glib/gmain.c:3219
No locals.
#18 0x00007f20acff2de8 in g_main_context_iterate (context=context@entry=0xd068d0, block=block@entry=1, dispatch=dispatch@entry=1, self=<error reading variable: Unhandled dwarf expression opcode 0xfa>) at /build/buildd/glib2.0-2.34.0/./glib/gmain.c:3290
        max_priority = 200
        timeout = 0
        some_ready = 1
        nfds = <optimized out>
        allocated_nfds = <optimized out>
        fds = 0x13ecfa0
#19 0x00007f20acff2ea4 in g_main_context_iteration (context=0xd068d0, context@entry=0x0, may_block=may_block@entry=1) at /build/buildd/glib2.0-2.34.0/./glib/gmain.c:3351
        retval = <optimized out>
#20 0x00007f20ad58b69c in g_application_run (application=0xcdb030, argc=argc@entry=2, argv=argv@entry=0x7fffaa676a08) at /build/buildd/glib2.0-2.34.0/./gio/gapplication.c:1620
        arguments = 0xcca080
        status = 6
        i = <optimized out>
        __PRETTY_FUNCTION__ = "g_application_run"
#21 0x000000000042bce9 in main (argc=2, argv=0x7fffaa676a08) at nautilus-main.c:101
        retval = <optimized out>
        application = 0xcdb030