Program received signal SIGSEGV, Segmentation fault.
[Switching to Thread 1132489040 (LWP 19688)]
0x00002b4c26491321 in event_queue_remove (base=0x1209830, ev=0x2588e80,
    queue=2) at event.c:852
852                     TAILQ_REMOVE(&base->eventqueue, ev, ev_next);
Current language:  auto; currently c
(gdb) bt full
#0  0x00002b4c26491321 in event_queue_remove (base=0x1209830, ev=0x2588e80,
    queue=2) at event.c:852
        __func__ = "event_queue_remove"
#1  0x00002b4c26491620 in event_del (ev=0x2588e80) at event.c:713
        evsel = (const struct eventop *) 0x2b4c266a3a60
        evbase = (void *) 0xb60650
        __PRETTY_FUNCTION__ = "event_del"
#2  0x00002b4c2649dc56 in epoll_dispatch (base=<value optimized out>,
    arg=<value optimized out>, tv=<value optimized out>) at epoll.c:236
        what = <value optimized out>
        evread = (struct event *) 0x2588e00
        evwrite = (struct event *) 0x2588e80
        events = <value optimized out>
        evep = (struct evepoll *) 0x2aaa00b67260
        i = 1
        res = 70
        timeout = <value optimized out>
#3  0x00002b4c26491cb1 in event_base_loop (base=0x1209830, flags=0)
    at event.c:428
        evsel = (const struct eventop *) 0x2b4c266a3a60
        evbase = (void *) 0xb60650
        tv = {tv_sec = 0, tv_usec = 9755}
        tv_p = (struct timeval *) 0x2aaa00b67260
---Type <return> to continue, or q <return> to quit---
        res = <value optimized out>
#4  0x000000000073cdbc in SocketReaderRunnable::run (
    this=<value optimized out>) at SocketManager.cpp:50
No locals.
#5  0x00002b4c26d41882 in ZThread::ThreadImpl::dispatch (parent=0xb42dc0,
    impl=0x120d030, task=@0x43806100) at ThreadImpl.cxx:407
No locals.
#6  0x00002b4c26d43d86 in ZThread::(anonymous namespace)::Launcher::run (
    this=0x7fff84c4ede0) at ThreadImpl.cxx:49
No locals.
#7  0x00002b4c26d4768e in _dispatch (arg=0x1209830) at posix/ThreadOps.cxx:137
        __PRETTY_FUNCTION__ = "void* ZThread::_dispatch(void*)"
#8  0x00002b4c26f5b317 in start_thread () from /lib/libpthread.so.0
No symbol table info available.
#9  0x00002b4c279dfd5d in clone () from /lib/libc.so.6
No symbol table info available.
#10 0x0000000000000000 in ?? ()
No symbol table info available.
(gdb)