core dump Bad file descriptor

[thijsterlouw]

my ZeroMQ client exited with this message:

Bad file descriptor
rc != -1 (epoll.cpp:83)
Aborted (core dumped)

---

Backtrace:

(gdb) bt
0  0xffffe410 in __kernel_vsyscall ()
1  0xb7d557d0 in raise () from /lib/libc.so.6
2  0xb7d56ea3 in abort () from /lib/libc.so.6
3  0x080a0685 in zmq::epoll_t::rm_fd (this=0x81ca0c0, handle_=0x825d320) at epoll.cpp:83
4  0x080a6159 in zmq::zmq_engine_t::unplug (this=0x81f4a20) at zmq_engine.cpp:82
5  0x08091e79 in zmq::owned_t::finalise (this=0x81cb480) at owned.cpp:66
6  0x08091bb4 in zmq::object_t::process_command (this=0x81cb480, cmd_=@0xb7d2a718) at object.cpp:110
7  0x08090642 in zmq::io_thread_t::in_event (this=0x81cd1e0) at io_thread.cpp:79
8  0x080a0bc6 in zmq::epoll_t::loop (this=0x81ca0c0) at epoll.cpp:197
9  0x0809b4e9 in zmq::thread_t::thread_routine (arg_=0x81ca0e0) at thread.cpp:99
10 0xb7f6334b in start_thread () from /lib/libpthread.so.0
11 0xb7dea65e in clone () from /lib/libc.so.6

[thijsterlouw]

i seem to prevent this crash by not doing connect + delete socket very fast, perhaps a timing issue where the socket was deleted quickly

[thijsterlouw]

i noticed that in the 2.1 branch this xrevive/assert is no longer present, so hope this issue is already solved :)