#0  __GI_raise (sig=sig@entry=6) at ../sysdeps/unix/sysv/linux/raise.c:51
        set = {__val = {0, 94677358261808, 140733435271088, 140320469055039, 140320804012032, 94677358261808, 94677358261909, 94677358261808, 94677358261808, 94677358261919, 94677358262108, 94677358261808, 94677358262108, 0, 0, 0}}
        pid = <optimized out>
        tid = <optimized out>
        ret = <optimized out>
#1  0x00007f9ee7b1f801 in __GI_abort () at abort.c:79
        save_stage = 1
        act = {__sigaction_handler = {sa_handler = 0x561bc9ef72a0, sa_sigaction = 0x561bc9ef72a0}, sa_mask = {__val = {0, 94677352018592, 0, 0, 0, 140733435270536, 0, 140733435270368, 94677347104000, 21474836480, 94677347104000, 0, 11831073183347167232, 140320470281492, 0, 140320506399491}}, sa_flags = -386321205, sa_restorer = 0x7f9ee8f93660}
        sigs = {__val = {32, 0 <repeats 15 times>}}
        __cnt = <optimized out>
        __set = <optimized out>
        __cnt = <optimized out>
        __set = <optimized out>
#2  0x00007f9ee7b0f39a in __assert_fail_base (fmt=0x7f9ee9f04b03 <error: Cannot access memory at address 0x7f9ee9f04b03>, assertion=assertion@entry=0x7f9ee8f93660 "!xcb_xlib_threads_sequence_lost", file=file@entry=0x7f9ee8f934cb "../../src/xcb_io.c", line=line@entry=259, function=function@entry=0x7f9ee8f93908 "poll_for_event") at assert.c:92
        str = 0x561bc9ef72a0 "p'\036\312\033V"
        total = 4096
#3  0x00007f9ee7b0f412 in __GI___assert_fail (assertion=0x7f9ee8f93660 "!xcb_xlib_threads_sequence_lost", file=0x7f9ee8f934cb "../../src/xcb_io.c", line=259, function=0x7f9ee8f93908 "poll_for_event") at assert.c:101
No locals.
#4  0x00007f9ee8f211da in ?? () from /usr/lib/x86_64-linux-gnu/libX11.so.6
No symbol table info available.
#5  0x00007f9ee8f2128b in ?? () from /usr/lib/x86_64-linux-gnu/libX11.so.6
No symbol table info available.
#6  0x00007f9ee8f2157d in _XEventsQueued () from /usr/lib/x86_64-linux-gnu/libX11.so.6
No symbol table info available.
#7  0x00007f9ee8f13237 in XPending () from /usr/lib/x86_64-linux-gnu/libX11.so.6
No symbol table info available.
#8  0x00007f9ee8c573ee in ?? () from /usr/lib/x86_64-linux-gnu/libgdk-3.so.0
No symbol table info available.
#9  0x00007f9ee9a70998 in g_main_context_prepare () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#10 0x00007f9ee9a7136b in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#11 0x00007f9ee9a717d2 in g_main_loop_run () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#12 0x00007f9ee8518555 in gtk_main () from /usr/lib/x86_64-linux-gnu/libgtk-3.so.0
No symbol table info available.
#13 0x00007f9ee80e0c29 in ?? () from /usr/lib/x86_64-linux-gnu/libmate-panel-applet-4.so.1
No symbol table info available.
#14 0x0000561bc8f39e68 in ?? ()
No symbol table info available.
#15 0x00007f9ee7b00b97 in __libc_start_main (main=0x561bc8f39d40, argc=1, argv=0x7fff0e6ad988, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7fff0e6ad978) at ../csu/libc-start.c:310
        self = <optimized out>
        __self = <optimized out>
        result = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {0, 7585586209204613546, 94677335514752, 140733435271552, 0, 0, 4219001260377780650, 4201635245574861226}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x7f9ee9d4b733 <_dl_init+259>, 0x7f9ee9a239e0}, data = {prev = 0x0, cleanup = 0x0, canceltype = -371935437}}}
        not_first_call = <optimized out>
#16 0x0000561bc8f39eaa in ?? ()
No symbol table info available.