.
Thread 6 (Thread 0x7f84d4c01700 (LWP 2146)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
No locals.
#1  0x00007f84f6573eea in g_cond_wait_until (cond=cond@entry=0x557fb5d31d88, mutex=mutex@entry=0x557fb5d31d80, end_time=end_time@entry=86895465) at ../../../../glib/gthread-posix.c:1442
        now = {tv_sec = 71, tv_nsec = 895467920}
        span = {tv_sec = 14, tv_nsec = 999997080}
        sampled = 1
        res = <optimized out>
#2  0x00007f84f6502109 in g_async_queue_pop_intern_unlocked (queue=queue@entry=0x557fb5d31d80, wait=wait@entry=1, end_time=end_time@entry=86895465) at ../../../../glib/gasyncqueue.c:422
        retval = <optimized out>
        __func__ = "g_async_queue_pop_intern_unlocked"
#3  0x00007f84f650272c in g_async_queue_timeout_pop (queue=0x557fb5d31d80, timeout=timeout@entry=15000000) at ../../../../glib/gasyncqueue.c:543
        end_time = 86895465
        retval = <optimized out>
#4  0x00007f84f65567bd in g_thread_pool_wait_for_new_pool () at ../../../../glib/gthreadpool.c:167
        pool = <optimized out>
        local_wakeup_thread_serial = <optimized out>
        last_wakeup_thread_serial = <optimized out>
        have_relayed_thread_marker = <optimized out>
#5  g_thread_pool_thread_proxy (data=<optimized out>) at ../../../../glib/gthreadpool.c:364
        free_pool = <optimized out>
        pool = <optimized out>
#6  0x00007f84f6555cf5 in g_thread_proxy (data=0x557fb5dcbf70) at ../../../../glib/gthread.c:784
        thread = 0x557fb5dcbf70
#7  0x00007f84f62cc74a in start_thread (arg=0x7f84d4c01700) at pthread_create.c:456
        __res = <optimized out>
        pd = 0x7f84d4c01700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140208481769216, 6365907623193105984, 140732468115422, 140732468115423, 140208481769920, 140208481769216, -6390160639278426560, -6390094292614228416}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
        __PRETTY_FUNCTION__ = "start_thread"
#8  0x00007f84f6008caf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:97
No locals.
.
Thread 5 (Thread 0x7f84dadb4700 (LWP 2057)):
#0  0x00007f84f5ffccdd in poll () at ../sysdeps/unix/syscall-template.S:84
No locals.
#1  0x00007f84f652ddf6 in g_main_context_poll (priority=<optimized out>, n_fds=1, fds=0x7f84d00010c0, timeout=<optimized out>, context=0x557fb5fdc000) at ../../../../glib/gmain.c:4185
        poll_func = 0x7f84f653db40 <g_poll>
#2  g_main_context_iterate (context=context@entry=0x557fb5fdc000, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at ../../../../glib/gmain.c:3881
        max_priority = 2147483647
        timeout = -1
        some_ready = <optimized out>
        nfds = 1
        allocated_nfds = 1
        fds = 0x7f84d00010c0
#3  0x00007f84f652df0c in g_main_context_iteration (context=context@entry=0x557fb5fdc000, may_block=may_block@entry=1) at ../../../../glib/gmain.c:3947
        retval = <optimized out>
#4  0x00007f84f46fa8cd in dconf_gdbus_worker_thread (user_data=0x557fb5fdc000) at dconf-gdbus-thread.c:82
        context = 0x557fb5fdc000
#5  0x00007f84f6555cf5 in g_thread_proxy (data=0x557fb5f67320) at ../../../../glib/gthread.c:784
        thread = 0x557fb5f67320
#6  0x00007f84f62cc74a in start_thread (arg=0x7f84dadb4700) at pthread_create.c:456
        __res = <optimized out>
        pd = 0x7f84dadb4700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140208584214272, 6365907623193105984, 140732468115550, 140732468115551, 140208584214976, 140208584214272, -6390173602026596800, -6390094292614228416}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
        __PRETTY_FUNCTION__ = "start_thread"
#7  0x00007f84f6008caf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:97
No locals.
.
Thread 4 (Thread 0x7f84e9994700 (LWP 2052)):
#0  0x00007f84f5ffccdd in poll () at ../sysdeps/unix/syscall-template.S:84
No locals.
#1  0x00007f84f652ddf6 in g_main_context_poll (priority=<optimized out>, n_fds=2, fds=0x7f84dc0010c0, timeout=<optimized out>, context=0x557fb5d4a820) at ../../../../glib/gmain.c:4185
        poll_func = 0x7f84f653db40 <g_poll>
#2  g_main_context_iterate (context=0x557fb5d4a820, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at ../../../../glib/gmain.c:3881
        max_priority = 2147483647
        timeout = -1
        some_ready = <optimized out>
        nfds = 2
        allocated_nfds = 2
        fds = 0x7f84dc0010c0
#3  0x00007f84f652e182 in g_main_loop_run (loop=0x557fb5d4a200) at ../../../../glib/gmain.c:4082
        __func__ = "g_main_loop_run"
#4  0x00007f84f6b17366 in gdbus_shared_thread_func (user_data=0x557fb5d4a260) at ../../../../gio/gdbusprivate.c:275
        data = 0x557fb5d4a260
#5  0x00007f84f6555cf5 in g_thread_proxy (data=0x557fb5d20990) at ../../../../glib/gthread.c:784
        thread = 0x557fb5d20990
#6  0x00007f84f62cc74a in start_thread (arg=0x7f84e9994700) at pthread_create.c:456
        __res = <optimized out>
        pd = 0x7f84e9994700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140208831547136, 6365907623193105984, 140732468113694, 140732468113695, 140208831547840, 140208831547136, -6390066416822757824, -6390094292614228416}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
        __PRETTY_FUNCTION__ = "start_thread"
#7  0x00007f84f6008caf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:97
No locals.
.
Thread 3 (Thread 0x7f84e9193700 (LWP 2053)):
#0  0x00007f84f5ffccdd in poll () at ../sysdeps/unix/syscall-template.S:84
No locals.
#1  0x00007f84f652ddf6 in g_main_context_poll (priority=<optimized out>, n_fds=1, fds=0x7f84e00010c0, timeout=<optimized out>, context=0x557fb5d45800) at ../../../../glib/gmain.c:4185
        poll_func = 0x7f84f653db40 <g_poll>
#2  g_main_context_iterate (context=context@entry=0x557fb5d45800, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at ../../../../glib/gmain.c:3881
        max_priority = 2147483647
        timeout = -1
        some_ready = <optimized out>
        nfds = 1
        allocated_nfds = 1
        fds = 0x7f84e00010c0
#3  0x00007f84f652df0c in g_main_context_iteration (context=context@entry=0x557fb5d45800, may_block=may_block@entry=1) at ../../../../glib/gmain.c:3947
        retval = <optimized out>
#4  0x00007f84ea82946d in dconf_gdbus_worker_thread (user_data=0x557fb5d45800) at dconf-gdbus-thread.c:82
        context = 0x557fb5d45800
#5  0x00007f84f6555cf5 in g_thread_proxy (data=0x557fb5d20d90) at ../../../../glib/gthread.c:784
        thread = 0x557fb5d20d90
#6  0x00007f84f62cc74a in start_thread (arg=0x7f84e9193700) at pthread_create.c:456
        __res = <optimized out>
        pd = 0x7f84e9193700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140208823154432, 6365907623193105984, 140732468114894, 140732468114895, 140208823155136, 140208823154432, -6390065317848000960, -6390094292614228416}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
        __PRETTY_FUNCTION__ = "start_thread"
#7  0x00007f84f6008caf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:97
No locals.
.
Thread 2 (Thread 0x7f84ea195700 (LWP 2051)):
#0  0x00007f84f5ffccdd in poll () at ../sysdeps/unix/syscall-template.S:84
No locals.
#1  0x00007f84f652ddf6 in g_main_context_poll (priority=<optimized out>, n_fds=2, fds=0x7f84e40008e0, timeout=<optimized out>, context=0x557fb5d31e70) at ../../../../glib/gmain.c:4185
        poll_func = 0x7f84f653db40 <g_poll>
#2  g_main_context_iterate (context=context@entry=0x557fb5d31e70, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at ../../../../glib/gmain.c:3881
        max_priority = 2147483647
        timeout = 100
        some_ready = <optimized out>
        nfds = 2
        allocated_nfds = 2
        fds = 0x7f84e40008e0
#3  0x00007f84f652df0c in g_main_context_iteration (context=0x557fb5d31e70, may_block=may_block@entry=1) at ../../../../glib/gmain.c:3947
        retval = <optimized out>
#4  0x00007f84f652df51 in glib_worker_main (data=<optimized out>) at ../../../../glib/gmain.c:5738
No locals.
#5  0x00007f84f6555cf5 in g_thread_proxy (data=0x557fb5d208f0) at ../../../../glib/gthread.c:784
        thread = 0x557fb5d208f0
#6  0x00007f84f62cc74a in start_thread (arg=0x7f84ea195700) at pthread_create.c:456
        __res = <optimized out>
        pd = 0x7f84ea195700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140208839939840, 6365907623193105984, 140732468113278, 140732468113279, 140208839940544, 140208839939840, -6390067513650031040, -6390094292614228416}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
        __PRETTY_FUNCTION__ = "start_thread"
#7  0x00007f84f6008caf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:97
No locals.
.
Thread 1 (Thread 0x7f84f8307ac0 (LWP 2050)):
#0  _g_log_abort (breakpoint=breakpoint@entry=1) at ../../../../glib/gmessages.c:549
        debugger_present = 1
#1  0x00007f84f6535c91 in g_log_writer_default (log_level=6, log_level@entry=G_LOG_LEVEL_ERROR, fields=fields@entry=0x7ffed4c530a0, n_fields=n_fields@entry=6, user_data=user_data@entry=0x0) at ../../../../glib/gmessages.c:2616
        __func__ = "g_log_writer_default"
#2  0x00007f84f65341fc in g_log_structured_array (log_level=G_LOG_LEVEL_ERROR, fields=0x7ffed4c530a0, n_fields=6) at ../../../../glib/gmessages.c:1936
        writer_user_data = 0x0
        depth = <optimized out>
        writer_func = 0x7f84f6535b20 <g_log_writer_default>
        recursion = 0
        n_fields = 6
        fields = 0x7ffed4c530a0
        log_level = G_LOG_LEVEL_ERROR
#3  0x00007f84f65344f9 in g_log_structured (log_domain=log_domain@entry=0x7f84f5766fae "Gdk", log_level=log_level@entry=G_LOG_LEVEL_ERROR) at ../../../../glib/gmessages.c:1763
        args = {{gp_offset = 48, fp_offset = 48, overflow_arg_area = 0x7ffed4c53748, reg_save_area = 0x7ffed4c53630}}
        buffer = "\320\244\344\265\177U\000\000\000O\f&\343\061\070\350\000\000\000\000\000\000\000\000\300\062\305\324\376\177\000\000P5\305\324\376\177\000\000@\203$\365\204\177\000\000@\203$\365\204\177\000\000\002", '\000' <repeats 15 times>, "Y{\373\364\204\177", '\000' <repeats 12 times>, "\005\000\000 \003\000@\203$\365\204\177\000\000\000O\f&\343\061\070\350\000\000\000\000\000\000\000\000P5\305\324\376\177\000\000P\027\024\266\177U\000\000@\203$\365\204\177\000\000\220\363\331\265\177U\000\000\025\202\373\364\204\177\000\000\000\000\000\000\000\005\000\000 \003\000\000\000\000\200\377\000\000\200\377\377\377\377\000\377\377\377\000\000\000\000\000\000\000\000\000\001\000\000\000"...
        message_allocated = 0x557fb5f54ea0 "The program 'mate-settings-daemon' 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 "...
        format = 0x557fb5f55920 ""
        message = <optimized out>
        p = <optimized out>
        n_fields = 6
        i = 6
        stack_fields = {{key = 0x7f84f6580359 "MESSAGE", value = 0x557fb5f54ea0, length = -1}, {key = 0x7f84f658036c "PRIORITY", value = 0x7f84f657a4da, length = -1}, {key = 0x7f84f65803c6 "GLIB_DOMAIN", value = 0x7f84f5766fae, length = -1}, {key = 0x7f84f576721f "CODE_FILE", value = 0x7f84f5785868, length = -1}, {key = 0x7f84f5767215 "CODE_LINE", value = 0x7f84f57852f9, length = -1}, {key = 0x7f84f5767231 "CODE_FUNC", value = 0x7f84f5785fd0 <__func__.71816>, length = -1}, {key = 0x557fb5d9f390 "\300K$\365\204\177", value = 0x557fb5d9f6d0, length = 0}, {key = 0x3eefd794495b65cd <error: Cannot access memory at address 0x3eefd794495b65cd>, value = 0x7f84f62bfb20 <main_arena+32>, length = -1713564806548795648}, {key = 0x7ffed4c531a0 "", value = 0x557fb5d9f390, length = 140209025221440}, {key = 0x0, value = 0x7ffed4c532b0, length = 2}, {key = 0x0, value = 0x7f84f4fb707f <clip_and_composite+1151>, length = 0}, {key = 0x0, value = 0x557fb5d9f390, length = 140209022620240}, {key = 0x557fb5d9f390 "\300K$\365\204\177", value = 0x7f84f4fb6d00 <clip_and_composite+256>, length = 3054770000}, {key = 0x557fb5d9f6d0 "\300K$\365\204\177", value = 0x7f84f4fb5500 <composite_opacity_boxes>, length = 140732468114504}, {key = 0x7f84f4fb5500 <composite_opacity_boxes> "AWAVAUATUSH\203\354H\362\017\020\202\220", value = 0x7ffed4c532ec, length = 4653344332572751036}, {key = 0x408900083126e979 <error: Cannot access memory at address 0x408900083126e979>, value = 0x0, length = -1713564806548795648}}
        fields = 0x7ffed4c530a0
        fields_allocated = 0x0
        array = <optimized out>
#4  0x00007f84f571ee2e in _gdk_x11_display_error_event (display=display@entry=0x557fb5d58000, error=error@entry=0x7ffed4c53820) at ././gdk/x11/gdkdisplay-x11.c:2579
        buf = "BadDrawable (invalid Pixmap or Window parameter)", '\000' <repeats 15 times>
        msg = <optimized out>
        display_x11 = 0x557fb5d58000
        tmp_list = <optimized out>
        ignore = 0
        __func__ = "_gdk_x11_display_error_event"
#5  0x00007f84f572c173 in gdk_x_error (xdisplay=0x557fb5d46400, error=0x7ffed4c53820) at ././gdk/x11/gdkmain-x11.c:307
        error_display = 0x557fb5d58000
        manager = <optimized out>
        displays = <optimized out>
        error = 0x7ffed4c53820
        xdisplay = 0x557fb5d46400
#6  0x00007f84f5a02c8d in _XError (dpy=dpy@entry=0x557fb5d46400, rep=rep@entry=0x557fb6047360) at ../../src/XlibInt.c:1434
        rtn_val = <optimized out>
        event = {type = 0, xany = {type = 0, serial = 94006999802880, send_event = 50331649, display = 0xb85, window = 15881}, xkey = {type = 0, serial = 94006999802880, send_event = 50331649, display = 0xb85, window = 15881, root = 0, subwindow = 94006999660680, time = 94007000166208, x = 0, y = 0, x_root = -168268452, y_root = 32644, state = 3050958656, keycode = 0, same_screen = 0}, xbutton = {type = 0, serial = 94006999802880, send_event = 50331649, display = 0xb85, window = 15881, root = 0, subwindow = 94006999660680, time = 94007000166208, x = 0, y = 0, x_root = -168268452, y_root = 32644, state = 3050958656, button = 0, same_screen = 0}, xmotion = {type = 0, serial = 94006999802880, send_event = 50331649, display = 0xb85, window = 15881, root = 0, subwindow = 94006999660680, time = 94007000166208, x = 0, y = 0, x_root = -168268452, y_root = 32644, state = 3050958656, is_hint = 0 '\000', same_screen = 0}, xcrossing = {type = 0, serial = 94006999802880, send_event = 50331649, display = 0xb85, window = 15881, root = 0, subwindow = 94006999660680, time = 94007000166208, x = 0, y = 0, x_root = -168268452, y_root = 32644, mode = -1244008640, detail = 0, same_screen = 0, focus = 0, state = 3050453104}, xfocus = {type = 0, serial = 94006999802880, send_event = 50331649, display = 0xb85, window = 15881, mode = 0, detail = 0}, xexpose = {type = 0, serial = 94006999802880, send_event = 50331649, display = 0xb85, window = 15881, x = 0, y = 0, width = -1244514168, height = 21887, count = -1244008640}, xgraphicsexpose = {type = 0, serial = 94006999802880, send_event = 50331649, display = 0xb85, drawable = 15881, x = 0, y = 0, width = -1244514168, height = 21887, count = -1244008640, major_code = 21887, minor_code = 0}, xnoexpose = {type = 0, serial = 94006999802880, send_event = 50331649, display = 0xb85, drawable = 15881, major_code = 0, minor_code = 0}, xvisibility = {type = 0, serial = 94006999802880, send_event = 50331649, display = 0xb85, window = 15881, state = 0}, xcreatewindow = {type = 0, serial = 94006999802880, send_event = 50331649, display = 0xb85, parent = 15881, window = 0, x = -1244514168, y = 21887, width = -1244008640, height = 21887, border_width = 0, override_redirect = 0}, xdestroywindow = {type = 0, serial = 94006999802880, send_event = 50331649, display = 0xb85, event = 15881, window = 0}, xunmap = {type = 0, serial = 94006999802880, send_event = 50331649, display = 0xb85, event = 15881, window = 0, from_configure = -1244514168}, xmap = {type = 0, serial = 94006999802880, send_event = 50331649, display = 0xb85, event = 15881, window = 0, override_redirect = -1244514168}, xmaprequest = {type = 0, serial = 94006999802880, send_event = 50331649, display = 0xb85, parent = 15881, window = 0}, xreparent = {type = 0, serial = 94006999802880, send_event = 50331649, display = 0xb85, event = 15881, window = 0, parent = 94006999660680, x = -1244008640, y = 21887, override_redirect = 0}, xconfigure = {type = 0, serial = 94006999802880, send_event = 50331649, display = 0xb85, event = 15881, window = 0, x = -1244514168, y = 21887, width = -1244008640, height = 21887, border_width = 0, above = 140209039109468, override_redirect = -1244008640}, xgravity = {type = 0, serial = 94006999802880, send_event = 50331649, display = 0xb85, event = 15881, window = 0, x = -1244514168, y = 21887}, xresizerequest = {type = 0, serial = 94006999802880, send_event = 50331649, display = 0xb85, window = 15881, width = 0, height = 0}, xconfigurerequest = {type = 0, serial = 94006999802880, send_event = 50331649, display = 0xb85, parent = 15881, window = 0, x = -1244514168, y = 21887, width = -1244008640, height = 21887, border_width = 0, above = 140209039109468, detail = -1244008640, value_mask = 0}, xcirculate = {type = 0, serial = 94006999802880, send_event = 50331649, display = 0xb85, event = 15881, window = 0, place = -1244514168}, xcirculaterequest = {type = 0, serial = 94006999802880, send_event = 50331649, display = 0xb85, parent = 15881, window = 0, place = -1244514168}, xproperty = {type = 0, serial = 94006999802880, send_event = 50331649, display = 0xb85, window = 15881, atom = 0, time = 94006999660680, state = -1244008640}, xselectionclear = {type = 0, serial = 94006999802880, send_event = 50331649, display = 0xb85, window = 15881, selection = 0, time = 94006999660680}, xselectionrequest = {type = 0, serial = 94006999802880, send_event = 50331649, display = 0xb85, owner = 15881, requestor = 0, selection = 94006999660680, target = 94007000166208, property = 0, time = 140209039109468}, xselection = {type = 0, serial = 94006999802880, send_event = 50331649, display = 0xb85, requestor = 15881, selection = 0, target = 94006999660680, property = 94007000166208, time = 0}, xcolormap = {type = 0, serial = 94006999802880, send_event = 50331649, display = 0xb85, window = 15881, colormap = 0, new = -1244514168, state = 21887}, xclient = {type = 0, serial = 94006999802880, send_event = 50331649, display = 0xb85, window = 15881, message_type = 0, format = -1244514168, data = {b = "@\357\331\265\177U\000\000\000\000\000\000\000\000\000\000\\m\370\365", s = {-4288, -18983, 21887, 0, 0, 0, 0, 0, 27996, -2568}, l = {94007000166208, 0, 140209039109468, 3050958656, 0}}}, xmapping = {type = 0, serial = 94006999802880, send_event = 50331649, display = 0xb85, window = 15881, request = 0, first_keycode = 0, count = -1244514168}, xerror = {type = 0, display = 0x557fb5d46400, resourceid = 50331649, serial = 2949, error_code = 9 '\t', request_code = 62 '>', minor_code = 0 '\000'}, xkeymap = {type = 0, serial = 94006999802880, send_event = 50331649, display = 0xb85, window = 15881, key_vector = "\000\000\000\000\000\000\000\000\210\070\322\265\177U\000\000@\357\331\265\177U\000\000\000\000\000\000\000\000\000"}, xgeneric = {type = 0, serial = 94006999802880, send_event = 50331649, display = 0xb85, extension = 15881, evtype = 0}, xcookie = {type = 0, serial = 94006999802880, send_event = 50331649, display = 0xb85, extension = 15881, evtype = 0, cookie = 0, data = 0x557fb5d23888}, pad = {0, 94006999802880, 50331649, 2949, 15881, 0, 94006999660680, 94007000166208, 0, 140209039109468, 3050958656, 0, 94006999660656, -1713564806548795648, 3, 94007002952544, 0, 0, 94006999660680, 140208965840328, 94006999660656, 140208965846698, 0, 94006999802880}}
        async = <optimized out>
        next = <optimized out>
#7  0x00007f84f59ffbb7 in handle_error (dpy=0x557fb5d46400, err=0x557fb6047360, in_XReply=<optimized out>) at ../../src/xcb_io.c:199
        ext = <optimized out>
        ret_code = 32766
#8  0x00007f84f59ffc75 in handle_response (dpy=dpy@entry=0x557fb5d46400, response=0x557fb6047360, in_XReply=in_XReply@entry=0) at ../../src/xcb_io.c:311
        async = <optimized out>
        next = <optimized out>
#9  0x00007f84f5a00575 in _XEventsQueued (dpy=0x557fb5d46400, mode=<optimized out>) at ../../src/xcb_io.c:350
        response = <optimized out>
        mode = <optimized out>
        dpy = 0x557fb5d46400
#10 0x00007f84f59e1ffa in XFlush (dpy=dpy@entry=0x557fb5d46400) at ../../src/Flush.c:39
No locals.
#11 0x00007f84f790e5a4 in draw_background (fade=fade@entry=0x557fb60c7b90) at mate-bg-crossfade.c:444
        xdisplay = 0x557fb5d46400
#12 0x00007f84f790e6a8 in on_finished (fade=0x557fb60c7b90) at mate-bg-crossfade.c:535
        cr = 0x557fb5d9c9d0
        __func__ = "on_finished"
#13 0x00007f84f652a4f8 in g_source_callback_unref (cb_data=0x557fb5d9ef40) at ../../../../glib/gmain.c:1566
        callback = 0x557fb5d9ef40
        cb_data = 0x557fb5d9ef40
        callback = 0x557fb5d9ef40
#14 0x00007f84f652af6e in g_source_destroy_internal (source=0x557fb5d9fa10, context=0x557fb5d21510, have_lock=1) at ../../../../glib/gmain.c:1255
        tmp_list = <optimized out>
        old_cb_data = 0x557fb5d9ef40
        old_cb_funcs = 0x7f84f67f6280 <g_source_callback_funcs>
#15 0x00007f84f652db38 in g_main_dispatch (context=0x557fb5d21510) at ../../../../glib/gmain.c:3172
        dispatch = <optimized out>
        prev_source = <optimized out>
        was_in_call = 0
        user_data = 0x557fb60c7b90
        callback = 0x7f84f790eb70 <on_tick>
        cb_funcs = <optimized out>
        cb_data = <optimized out>
        need_destroy = <optimized out>
        source = 0x557fb5d9fa10
        current = 0x557fb5d232c0
        i = 0
#16 g_main_context_dispatch (context=context@entry=0x557fb5d21510) at ../../../../glib/gmain.c:3813
No locals.
#17 0x00007f84f652de60 in g_main_context_iterate (context=0x557fb5d21510, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at ../../../../glib/gmain.c:3886
        max_priority = 2147483647
        timeout = 16
        some_ready = 1
        nfds = 7
        allocated_nfds = 7
        fds = <optimized out>
#18 0x00007f84f652e182 in g_main_loop_run (loop=0x557fb5f1a3e0) at ../../../../glib/gmain.c:4082
        __func__ = "g_main_loop_run"
#19 0x00007f84f721a715 in gtk_main () at ././gtk/gtkmain.c:1312
        loop = 0x557fb5f1a3e0
#20 0x0000557fb4c1b0e4 in main (argc=<optimized out>, argv=<optimized out>) at main.c:540
        manager = 0x7f84e0004a70
        res = <optimized out>
        error = 0x0
        debug_settings = 0x557fb5d20880