#0  __GI_raise (sig=sig@entry=6) at ../sysdeps/unix/sysv/linux/raise.c:51
        set = {__val = {0, 94404882849088, 140015000817568, 140014983054911, 140015861334016, 94404882849088, 94404882849189, 94404882849088, 94404882849088, 94404882849218, 94404882849388, 94404882849088, 94404882849388, 0, 0, 0}}
        pid = <optimized out>
        tid = <optimized out>
        ret = <optimized out>
#1  0x00007f57c74f8801 in __GI_abort () at abort.c:79
        save_stage = 1
        act = {__sigaction_handler = {sa_handler = 0x55dc59354a40, sa_sigaction = 0x55dc59354a40}, sa_mask = {__val = {0, 3327929425294161262, 7167530911128563502, 0, 0, 140721746863000, 0, 140721746862832, 94404875868368, 21474836480, 94404875868368, 0, 5025460624208504064, 140014984281364, 0, 140015020386866}}, sa_flags = -929635125, sa_restorer = 0x7f57c896e660}
        sigs = {__val = {32, 0 <repeats 15 times>}}
        __cnt = <optimized out>
        __set = <optimized out>
        __cnt = <optimized out>
        __set = <optimized out>
#2  0x00007f57c74e839a in __assert_fail_base (fmt=0x7f57c98daa32 <error: Cannot access memory at address 0x7f57c98daa32>, assertion=assertion@entry=0x7f57c896e660 "!xcb_xlib_threads_sequence_lost", file=file@entry=0x7f57c896e4cb "../../src/xcb_io.c", line=line@entry=259, function=function@entry=0x7f57c896e908 "poll_for_event") at assert.c:92
        str = 0x55dc59354a40 "\240\tRY\334U"
        total = 4096
#3  0x00007f57c74e8412 in __GI___assert_fail (assertion=0x7f57c896e660 "!xcb_xlib_threads_sequence_lost", file=0x7f57c896e4cb "../../src/xcb_io.c", line=259, function=0x7f57c896e908 "poll_for_event") at assert.c:101
No locals.
#4  0x00007f57c88fc1da in ?? () from /usr/lib/x86_64-linux-gnu/libX11.so.6
No symbol table info available.
#5  0x00007f57c88fc28b in ?? () from /usr/lib/x86_64-linux-gnu/libX11.so.6
No symbol table info available.
#6  0x00007f57c88fc57d in _XEventsQueued () from /usr/lib/x86_64-linux-gnu/libX11.so.6
No symbol table info available.
#7  0x00007f57c88ee237 in XPending () from /usr/lib/x86_64-linux-gnu/libX11.so.6
No symbol table info available.
#8  0x00007f57c8630ff1 in ?? () from /usr/lib/x86_64-linux-gnu/libgdk-3.so.0
No symbol table info available.
#9  0x00007f57c944be51 in g_main_context_check () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#10 0x00007f57c944c3e0 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#11 0x00007f57c944c7d2 in g_main_loop_run () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#12 0x00007f57c7ef1385 in gtk_main () from /usr/lib/x86_64-linux-gnu/libgtk-3.so.0
No symbol table info available.
#13 0x00007f57c7ab9c29 in ?? () from /usr/lib/x86_64-linux-gnu/libmate-panel-applet-4.so.1
No symbol table info available.
#14 0x000055dc57974e68 in ?? ()
No symbol table info available.
#15 0x00007f57c74d9b97 in __libc_start_main (main=0x55dc57974d40, argc=1, argv=0x7ffc55bbe788, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7ffc55bbe778) at ../csu/libc-start.c:310
        self = <optimized out>
        __self = <optimized out>
        result = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {0, -9152968878861572202, 94404850699904, 140721746864000, 0, 0, -3118150054303488106, -3031697811702929514}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x7f57c9726733 <_dl_init+259>, 0x7f57c93fe9e0}, data = {prev = 0x0, cleanup = 0x0, canceltype = -915249357}}}
        not_first_call = <optimized out>
#16 0x000055dc57974eaa in ?? ()
No symbol table info available.