#0  __GI_raise (sig=sig@entry=6) at ../sysdeps/unix/sysv/linux/raise.c:51
        set = {__val = {0, 34343424, 26944560, 140376452068927, 140376638586880, 34343424, 34343525, 34343424, 34343424, 34343543, 34343724, 34343424, 34343724, 0, 0, 0}}
        pid = <optimized out>
        tid = <optimized out>
        ret = <optimized out>
#1  0x00007fabf08af801 in __GI_abort () at abort.c:79
        save_stage = 1
        act = {__sigaction_handler = {sa_handler = 0x7fabd8027f00, sa_sigaction = 0x7fabd8027f00}, sa_mask = {__val = {0, 0, 0, 0, 0, 140722366531640, 0, 140722366531472, 27638848, 21474836480, 27638848, 0, 6396417586018999040, 140376453295380, 0, 140376291197333}}, sa_flags = -347855669, sa_restorer = 0x7fabeb44253c}
        sigs = {__val = {32, 0 <repeats 15 times>}}
        __cnt = <optimized out>
        __set = <optimized out>
        __cnt = <optimized out>
        __set = <optimized out>
#2  0x00007fabf089f39a in __assert_fail_base (fmt=0x7fabe6f8c195 <error: Cannot access memory at address 0x7fabe6f8c195>, assertion=assertion@entry=0x7fabeb44253c "!xcb_xlib_unknown_req_pending", file=file@entry=0x7fabeb4424cb "../../src/xcb_io.c", line=line@entry=151, function=function@entry=0x7fabeb4428f0 "append_pending_request") at assert.c:92
        str = 0x7fabd8027f00 "`^*\002"
        total = 4096
#3  0x00007fabf089f412 in __GI___assert_fail (assertion=0x7fabeb44253c "!xcb_xlib_unknown_req_pending", file=0x7fabeb4424cb "../../src/xcb_io.c", line=151, function=0x7fabeb4428f0 "append_pending_request") at assert.c:101
No locals.
#4  0x00007fabeb3cff5e in ?? () from /usr/lib/x86_64-linux-gnu/libX11.so.6
No symbol table info available.
#5  0x00007fabeb3d09f8 in _XReply () from /usr/lib/x86_64-linux-gnu/libX11.so.6
No symbol table info available.
#6  0x00007fabeb3bb89f in XInternAtom () from /usr/lib/x86_64-linux-gnu/libX11.so.6
No symbol table info available.
#7  0x00007fabed6477f6 in ?? () from /usr/lib/x86_64-linux-gnu/libgdk-3.so.0
No symbol table info available.
#8  0x00007fabed6444fd in ?? () from /usr/lib/x86_64-linux-gnu/libgdk-3.so.0
No symbol table info available.
#9  0x00007fabe889cf1d in ?? () from /usr/lib/x86_64-linux-gnu/libgtk-3.so.0
No symbol table info available.
#10 0x00007fabe88a1d9b in ?? () from /usr/lib/x86_64-linux-gnu/libgtk-3.so.0
No symbol table info available.
#11 0x00007fabe88a63d5 in ?? () from /usr/lib/x86_64-linux-gnu/libgtk-3.so.0
No symbol table info available.
#12 0x00007fabe6d71bab in ?? () from /usr/lib/x86_64-linux-gnu/gtk-3.0/modules/libappmenu-gtk-module.so
No symbol table info available.
#13 0x00007fabefcf2f6d in g_closure_invoke () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
No symbol table info available.
#14 0x00007fabefd05e0e in ?? () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
No symbol table info available.
#15 0x00007fabefd0e3f5 in g_signal_emit_valist () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
No symbol table info available.
#16 0x00007fabefd0ee0f in g_signal_emit () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
No symbol table info available.
#17 0x00007fabe8896846 in gtk_widget_realize () from /usr/lib/x86_64-linux-gnu/libgtk-3.so.0
No symbol table info available.
#18 0x00007fabe88a46cd in ?? () from /usr/lib/x86_64-linux-gnu/libgtk-3.so.0
No symbol table info available.
#19 0x00007fabefcf2f6d in g_closure_invoke () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
No symbol table info available.
#20 0x00007fabefd05e0e in ?? () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
No symbol table info available.
#21 0x00007fabefd0e3f5 in g_signal_emit_valist () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
No symbol table info available.
#22 0x00007fabefd0ee0f in g_signal_emit () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
No symbol table info available.
#23 0x00007fabe8890a26 in gtk_widget_show () from /usr/lib/x86_64-linux-gnu/libgtk-3.so.0
No symbol table info available.
#24 0x00007fabe88b39a6 in ?? () from /usr/lib/x86_64-linux-gnu/libgtk-3.so.0
No symbol table info available.
#25 0x00007fabe88b5ecf in ?? () from /usr/lib/x86_64-linux-gnu/libgtk-3.so.0
No symbol table info available.
#26 0x00007fabe86ae1eb in ?? () from /usr/lib/x86_64-linux-gnu/libgtk-3.so.0
No symbol table info available.
#27 0x00007fabe874032b in ?? () from /usr/lib/x86_64-linux-gnu/libgtk-3.so.0
No symbol table info available.
#28 0x00007fabefcf2f6d in g_closure_invoke () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
No symbol table info available.
#29 0x00007fabefd05d3e in ?? () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
No symbol table info available.
#30 0x00007fabefd0dd8f in g_signal_emit_valist () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
No symbol table info available.
#31 0x00007fabefd0ee0f in g_signal_emit () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
No symbol table info available.
#32 0x00007fabe8887e94 in ?? () from /usr/lib/x86_64-linux-gnu/libgtk-3.so.0
No symbol table info available.
#33 0x00007fabe873d39e in ?? () from /usr/lib/x86_64-linux-gnu/libgtk-3.so.0
No symbol table info available.
#34 0x00007fabe873f478 in gtk_main_do_event () from /usr/lib/x86_64-linux-gnu/libgtk-3.so.0
No symbol table info available.
#35 0x00007fabed60d9a5 in ?? () from /usr/lib/x86_64-linux-gnu/libgdk-3.so.0
No symbol table info available.
#36 0x00007fabed63e2e2 in ?? () from /usr/lib/x86_64-linux-gnu/libgdk-3.so.0
No symbol table info available.
#37 0x00007fabefa19287 in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#38 0x00007fabefa194c0 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#39 0x00007fabefa197d2 in g_main_loop_run () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#40 0x00007fabe873e555 in gtk_main () from /usr/lib/x86_64-linux-gnu/libgtk-3.so.0
No symbol table info available.
#41 0x00007fabd457cc29 in ?? () from /usr/lib/x86_64-linux-gnu/libmate-panel-applet-4.so.1
No symbol table info available.
#42 0x00007fabef7cadae in ffi_call_unix64 () from /usr/lib/x86_64-linux-gnu/libffi.so.6
No symbol table info available.
#43 0x00007fabef7ca71f in ffi_call () from /usr/lib/x86_64-linux-gnu/libffi.so.6
No symbol table info available.
#44 0x00007fabf0196dda in ?? () from /usr/lib/python3/dist-packages/gi/_gi.cpython-36m-x86_64-linux-gnu.so
No symbol table info available.
#45 0x00007fabf01989b8 in ?? () from /usr/lib/python3/dist-packages/gi/_gi.cpython-36m-x86_64-linux-gnu.so
No symbol table info available.
#46 0x000000000045a0e3 in _PyObject_FastCallDict ()
No symbol table info available.
#47 0x000000000054fd37 in ?? ()
No symbol table info available.
#48 0x00000000005546cf in _PyEval_EvalFrameDefault ()
No symbol table info available.
#49 0x000000000054fbe1 in ?? ()
No symbol table info available.
#50 0x0000000000550b93 in PyEval_EvalCode ()
No symbol table info available.
#51 0x000000000042b519 in PyRun_FileExFlags ()
No symbol table info available.
#52 0x000000000042b705 in PyRun_SimpleFileExFlags ()
No symbol table info available.
#53 0x0000000000441fcb in Py_Main ()
No symbol table info available.
#54 0x0000000000421ff4 in main ()
No symbol table info available.