#0  0x00007fb11b7f33a5 in __GI_raise (sig=6) at ../nptl/sysdeps/unix/sysv/linux/raise.c:64
        resultvar = 0
        pid = <optimized out>
        selftid = <optimized out>
#1  0x00007fb11b7f6b0b in __GI_abort () at abort.c:92
        save_stage = 2
        act = {__sigaction_handler = {sa_handler = 0x7fb11c4b7000 <_Xevent_to_mask>, sa_sigaction = 0x7fb11c4b7000 <_Xevent_to_mask>}, sa_mask = {__val = {140398647237174, 140398647065504, 140398720034016, 0, 140398650814912, 18446744073709551615, 113, 4294967295, 140398647905305, 0, 140398650808320, 6849008, 0, 4194304, 140398660644864, 0}}, sa_flags = 532156340, sa_restorer = 0x5}
        sigs = {__val = {32, 0 <repeats 15 times>}}
#2  0x0000000000437a3d in ?? ()
No symbol table info available.
#3  0x0000000000424b44 in ?? ()
No symbol table info available.
#4  0x00007fb11c45601f in _XError () from /usr/lib/x86_64-linux-gnu/libX11.so.6
No symbol table info available.
#5  0x00007fb11c452dd1 in ?? () from /usr/lib/x86_64-linux-gnu/libX11.so.6
No symbol table info available.
#6  0x00007fb11c452e15 in ?? () from /usr/lib/x86_64-linux-gnu/libX11.so.6
No symbol table info available.
#7  0x00007fb11c45373d in _XReadEvents () from /usr/lib/x86_64-linux-gnu/libX11.so.6
No symbol table info available.
#8  0x00007fb11c451d3d in XWindowEvent () from /usr/lib/x86_64-linux-gnu/libX11.so.6
No symbol table info available.
#9  0x000000000041c153 in ?? ()
No symbol table info available.
#10 0x000000000041c25a in ?? ()
No symbol table info available.
#11 0x000000000041e524 in ?? ()
No symbol table info available.
#12 0x0000000000444d4b in ?? ()
No symbol table info available.
#13 0x000000000043f076 in ?? ()
No symbol table info available.
#14 0x000000000041e1f3 in ?? ()
No symbol table info available.
#15 0x00000000004300a6 in ?? ()
No symbol table info available.
#16 0x000000000041e6db in ?? ()
No symbol table info available.
#17 0x000000000040f945 in ?? ()
No symbol table info available.
#18 0x00007fb11b7de30d in __libc_start_main (main=0x40f030, argc=1, ubp_av=0x7fff239d2898, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7fff239d2888) at libc-start.c:226
        result = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {0, 1262172483218782818, 4259068, 140733790890128, 0, 0, -1262586700341233054, -1232273445914985886}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x462ac0, 0x7fff239d2898}, data = {prev = 0x0, cleanup = 0x0, canceltype = 4598464}}}
        not_first_call = <optimized out>
#19 0x000000000040fd25 in ?? ()
No symbol table info available.
#20 0x00007fff239d2888 in ?? ()
No symbol table info available.
#21 0x000000000000001c in ?? ()
No symbol table info available.
#22 0x0000000000000001 in ?? ()
No symbol table info available.
#23 0x00007fff239d2c49 in ?? ()
No symbol table info available.
#24 0x0000000000000000 in ?? ()
No symbol table info available.