#0  0x00007ffc9e1bcd27 in __GI_raise (sig=sig@entry=6) at ../nptl/sysdeps/unix/sysv/linux/raise.c:56
        resultvar = 0
        pid = 14442
        selftid = 14442
#1  0x00007ffc9e1be418 in __GI_abort () at abort.c:89
        save_stage = 2
        act = {__sigaction_handler = {sa_handler = 0x7fff8a2e88c0, sa_sigaction = 0x7fff8a2e88c0}, sa_mask = {__val = {140722962443292, 140722932152683, 274, 4294967295, 140722961085747, 0, 140735511686752, 47282627060, 140735511686672, 140735511693628, 0, 0, 0, 21474836480, 140722456948736, 140722962458440}}, sa_flags = -1671300320, sa_restorer = 0x7ffc9c61fe26}
        sigs = {__val = {32, 0 <repeats 15 times>}}
#2  0x00007ffc9e1b5bd6 in __assert_fail_base (fmt=0x7ffc9e306748 "%s%s%s:%u: %s%sAssertion `%s' failed.\n%n", assertion=assertion@entry=0x7ffc9c61fb20 "!xcb_xlib_threads_sequence_lost", file=file@entry=0x7ffc9c61f96b "../../src/xcb_io.c", line=line@entry=274, function=function@entry=0x7ffc9c61fe26 "poll_for_event") at assert.c:92
        str = 0x3a39410 ""
        total = 4096
#3  0x00007ffc9e1b5c82 in __GI___assert_fail (assertion=0x7ffc9c61fb20 "!xcb_xlib_threads_sequence_lost", file=0x7ffc9c61f96b "../../src/xcb_io.c", line=274, function=0x7ffc9c61fe26 "poll_for_event") at assert.c:101
No locals.
#4  0x00007ffc9c5aee69 in ?? () from /usr/lib/x86_64-linux-gnu/libX11.so.6
No symbol table info available.
#5  0x00007ffc9c5aeefe in ?? () from /usr/lib/x86_64-linux-gnu/libX11.so.6
No symbol table info available.
#6  0x00007ffc9c5af1dd in _XEventsQueued () from /usr/lib/x86_64-linux-gnu/libX11.so.6
No symbol table info available.
#7  0x00007ffc9c5a1207 in XPending () from /usr/lib/x86_64-linux-gnu/libX11.so.6
No symbol table info available.
#8  0x00007ffca21611dc in ?? () from /usr/lib/x86_64-linux-gnu/libgdk-3.so.0
No symbol table info available.
#9  0x00007ffc9e7b2891 in g_main_context_check () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#10 0x00007ffc9e7b2e53 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#11 0x00007ffc9e7b2fcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#12 0x00007ffc9ed6ee0c in g_application_run () from /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0
No symbol table info available.
#13 0x000000000068c4f9 in application_start ()
No symbol table info available.
#14 0x0000000000582a0d in editing_exec ()
No symbol table info available.
#15 0x0000000000583448 in _vala_main ()
No symbol table info available.
#16 0x0000000000474d10 in main ()
No symbol table info available.