.
Thread 3 (Thread 0x7ff4b6ac7700 (LWP 3189)):
#0  0x00007ff4c530cbf9 in __GI___poll (fds=0x29b8660, nfds=2, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
        resultvar = 18446744073709551100
        sc_cancel_oldtype = 0
        sc_ret = <optimized out>
#1  0x00007ff4c41f6439 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#2  0x00007ff4c41f67d2 in g_main_loop_run () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#3  0x00007ff4c3acee76 in ?? () from /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0
No symbol table info available.
#4  0x00007ff4c421de05 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#5  0x00007ff4c61e46db in start_thread (arg=0x7ff4b6ac7700) at pthread_create.c:463
        pd = 0x7ff4b6ac7700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140689013503744, 4916648252189340238, 140689013501888, 0, 43664704, 140720782392272, -4912832555452304818, -4912585286991580594}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
#6  0x00007ff4c531988f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95
No locals.
.
Thread 2 (Thread 0x7ff4b72c8700 (LWP 3188)):
#0  0x00007ff4c530cbf9 in __GI___poll (fds=0x2999ac0, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
        resultvar = 18446744073709551100
        sc_cancel_oldtype = 0
        sc_ret = <optimized out>
#1  0x00007ff4c41f6439 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#2  0x00007ff4c41f654c in g_main_context_iteration () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#3  0x00007ff4c41f6591 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#4  0x00007ff4c421de05 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#5  0x00007ff4c61e46db in start_thread (arg=0x7ff4b72c8700) at pthread_create.c:463
        pd = 0x7ff4b72c8700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140689021896448, 4916648252189340238, 140689021894592, 0, 43664944, 140720782391888, -4912829257454292402, -4912585286991580594}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
#6  0x00007ff4c531988f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95
No locals.
.
Thread 1 (Thread 0x7ff4c6605740 (LWP 3185)):
#0  __GI_raise (sig=sig@entry=6) at ../sysdeps/unix/sysv/linux/raise.c:51
        set = {__val = {0, 47628288, 140689203483392, 140689256482272, 140690171199488, 47628288, 47628389, 47628288, 47628288, 47628444, 47628588, 47628288, 47628588, 0, 0, 0}}
        pid = <optimized out>
        tid = <optimized out>
        ret = <optimized out>
#1  0x00007ff4c5238801 in __GI_abort () at abort.c:79
        save_stage = 1
        act = {__sigaction_handler = {sa_handler = 0x2d6c000, sa_sigaction = 0x2d6c000}, sa_mask = {__val = {0, 140689260035136, 0, 0, 0, 140720782392504, 0, 140720782392336, 41141600, 21474836480, 41141600, 0, 15186995554161608704, 140689257708820, 0, 140689095308834}}, sa_flags = -1075866421, sa_restorer = 0x7ff4bfdf9660}
        sigs = {__val = {32, 0 <repeats 15 times>}}
        __cnt = <optimized out>
        __set = <optimized out>
        __cnt = <optimized out>
        __set = <optimized out>
#2  0x00007ff4c522839a in __assert_fail_base (fmt=0x7ff4bb8cb622 <error: Cannot access memory at address 0x7ff4bb8cb622>, assertion=assertion@entry=0x7ff4bfdf9660 "!xcb_xlib_threads_sequence_lost", file=file@entry=0x7ff4bfdf94cb "../../src/xcb_io.c", line=line@entry=259, function=function@entry=0x7ff4bfdf9908 "poll_for_event") at assert.c:92
        str = 0x2d6c000 "\260\321\350\002"
        total = 4096
#3  0x00007ff4c5228412 in __GI___assert_fail (assertion=0x7ff4bfdf9660 "!xcb_xlib_threads_sequence_lost", file=0x7ff4bfdf94cb "../../src/xcb_io.c", line=259, function=0x7ff4bfdf9908 "poll_for_event") at assert.c:101
No locals.
#4  0x00007ff4bfd871da in ?? () from /usr/lib/x86_64-linux-gnu/libX11.so.6
No symbol table info available.
#5  0x00007ff4bfd8728b in ?? () from /usr/lib/x86_64-linux-gnu/libX11.so.6
No symbol table info available.
#6  0x00007ff4bfd8757d in _XEventsQueued () from /usr/lib/x86_64-linux-gnu/libX11.so.6
No symbol table info available.
#7  0x00007ff4bfd79237 in XPending () from /usr/lib/x86_64-linux-gnu/libX11.so.6
No symbol table info available.
#8  0x00007ff4c1ff5351 in ?? () from /usr/lib/x86_64-linux-gnu/libgdk-3.so.0
No symbol table info available.
#9  0x00007ff4c41f5e51 in g_main_context_check () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#10 0x00007ff4c41f63e0 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#11 0x00007ff4c41f654c in g_main_context_iteration () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#12 0x00007ff4c3aa2d2d in g_application_run () from /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0
No symbol table info available.
#13 0x00007ff4c3fa7dae in ffi_call_unix64 () from /usr/lib/x86_64-linux-gnu/libffi.so.6
No symbol table info available.
#14 0x00007ff4c3fa771f in ffi_call () from /usr/lib/x86_64-linux-gnu/libffi.so.6
No symbol table info available.
#15 0x00007ff4c4973dda in ?? () from /usr/lib/python3/dist-packages/gi/_gi.cpython-36m-x86_64-linux-gnu.so
No symbol table info available.
#16 0x00007ff4c49759b8 in ?? () from /usr/lib/python3/dist-packages/gi/_gi.cpython-36m-x86_64-linux-gnu.so
No symbol table info available.
#17 0x00007ff4c4969c29 in ?? () from /usr/lib/python3/dist-packages/gi/_gi.cpython-36m-x86_64-linux-gnu.so
No symbol table info available.
#18 0x000000000045a0e3 in _PyObject_FastCallDict ()
No symbol table info available.
#19 0x000000000054fd37 in ?? ()
No symbol table info available.
#20 0x00000000005546cf in _PyEval_EvalFrameDefault ()
No symbol table info available.
#21 0x000000000054fbe1 in ?? ()
No symbol table info available.
#22 0x0000000000550b93 in PyEval_EvalCode ()
No symbol table info available.
#23 0x000000000042b519 in PyRun_FileExFlags ()
No symbol table info available.
#24 0x000000000042b705 in PyRun_SimpleFileExFlags ()
No symbol table info available.
#25 0x0000000000441fcb in Py_Main ()
No symbol table info available.
#26 0x0000000000421ff4 in main ()
No symbol table info available.