#0  0x00007f646bfdf475 in __GI_raise (sig=<optimized out>) at ../nptl/sysdeps/unix/sysv/linux/raise.c:64
        resultvar = 0
        pid = <optimized out>
        selftid = 3926
#1  0x00007f646bfe2bdb in __GI_abort () at abort.c:91
        save_stage = 2
        act = {__sigaction_handler = {sa_handler = 0x7f6453d7bda5, sa_sigaction = 0x7f6453d7bda5}, sa_mask = {__val = {140069286581021, 140068834248208, 1, 140068703165696, 140069285481378, 140068880104869, 206158430232, 140068703165712, 140068703165488, 140067480759598, 206158430256, 140067070934736, 733634176081289574, 7956574617070627180, 0, 140736706275646}}, sa_flags = 1813115683, sa_restorer = 0x7f6453d7bd92}
        sigs = {__val = {32, 0 <repeats 15 times>}}
#2  0x00007f646bfd810e in __assert_fail_base (fmt=<optimized out>, assertion=0x7f6453d7bda5 "!xcb_xlib_unknown_req_in_deq", file=0x7f6453d7bd92 "../../src/xcb_io.c", line=<optimized out>, function=<optimized out>) at assert.c:94
        str = 0x7f63e801fed0 ""
        total = 4096
#3  0x00007f646bfd81b2 in __GI___assert_fail (assertion=0x7f6453d7bda5 "!xcb_xlib_unknown_req_in_deq", file=0x7f6453d7bd92 "../../src/xcb_io.c", line=178, function=0x7f6453d7bea0 "dequeue_pending_request") at assert.c:103
No locals.
#4  0x00007f6453d08fe9 in ?? () from /usr/lib/x86_64-linux-gnu/libX11.so.6
No symbol table info available.
#5  0x00007f6453d09689 in ?? () from /usr/lib/x86_64-linux-gnu/libX11.so.6
No symbol table info available.
#6  0x00007f6453d09d4d in _XEventsQueued () from /usr/lib/x86_64-linux-gnu/libX11.so.6
No symbol table info available.
#7  0x00007f6453cfb41d in XPending () from /usr/lib/x86_64-linux-gnu/libX11.so.6
No symbol table info available.
#8  0x00007f64511c0683 in ?? () from /usr/lib/x86_64-linux-gnu/libgdk-x11-2.0.so.0
No symbol table info available.
#9  0x00007f6450a6a963 in g_main_context_check () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#10 0x00007f6450a6aec6 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#11 0x00007f6450a6b38a in g_main_loop_run () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#12 0x00007f64516405b9 in jni_main_loop () from /usr/lib/x86_64-linux-gnu/jni/libatk-wrapper.so.0.0.18
No symbol table info available.
#13 0x00007f6450a8c5c5 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#14 0x00007f646c774e9a in start_thread (arg=0x7f64494be700) at pthread_create.c:308
        __res = <optimized out>
        pd = 0x7f64494be700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {0, 4217193122990569390, 140068960047248, 140068703168960, 0, 3, -4301245118684153938, -4301322320169748562}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = 0
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
        __PRETTY_FUNCTION__ = "start_thread"
#15 0x00007f646c09977d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
No locals.
#16 0x0000000000000000 in ?? ()
No symbol table info available.