I restarted Kamailio after a while and I see this issue...

Not sure what triggered this. It was working fine before.

Krish Kura

Apr  1 07:41:02 (none) /usr/sbin/kamailio[24074]: INFO: tls [tls_domain.c:235]: TLSs<10.1.0.4:5061>: verify_certificate=1
Apr  1 07:41:02 (none) /usr/sbin/kamailio[24074]: INFO: tls [tls_domain.c:238]: TLSs<10.1.0.4:5061>: verify_depth=3
Apr  1 07:41:02 (none) /usr/sbin/kamailio[24074]: INFO: tls [tls_domain.c:567]: TLSs<10.1.0.4:5061>: IF client provides certificate then it MUST be valid
Apr  1 07:41:02 (none) /usr/sbin/kamailio[24082]: INFO: ctl [io_listener.c:225]: io_listen_loop:  using epoll_lt io watch method (config)
Apr  1 07:41:41 (none) /usr/sbin/kamailio[24084]: : <core> [tcp_main.c:3575]: BUG: handle_ser_child: fd -1 for 0 (pid 24074)
Apr  1 07:41:41 (none) /usr/sbin/kamailio[24084]: : <core> [tcp_main.c:3338]: BUG: handle_tcp_child: fd -1061109568 for 0 (pid 0, ser no 0)
Apr  1 07:41:41 (none) /usr/sbin/kamailio[24084]: : <core> [pass_fd.c:209]: ERROR: send_fd: sendmsg failed sending 19 on -1061109568: Bad file descriptor (9)
Apr  1 07:41:41 (none) /usr/sbin/kamailio[24084]: ERROR: <core> [tcp_main.c:4003]: ERROR: send2child: send_fd failed for 0x7ff3c82b3bb8 (flags 0x4018), fd 19
Apr  1 07:42:21 (none) /usr/sbin/kamailio[24084]: : <core> [tcp_main.c:3575]: BUG: handle_ser_child: fd -1 for 0 (pid 24074)
Apr  1 07:42:21 (none) /usr/sbin/kamailio[24084]: : <core> [tcp_main.c:3338]: BUG: handle_tcp_child: fd -1061109568 for 0 (pid 0, ser no 0)
Apr  1 07:42:21 (none) /usr/sbin/kamailio[24084]: : <core> [pass_fd.c:209]: ERROR: send_fd: sendmsg failed sending 19 on -1061109568: Bad file descriptor (9)
Apr  1 07:42:21 (none) /usr/sbin/kamailio[24084]: ERROR: <core> [tcp_main.c:4003]: ERROR: send2child: send_fd failed for 0x7ff3c82b3bb8 (flags 0x4018), fd 19
Apr  1 07:42:21 (none) /usr/sbin/kamailio[24084]: : <core> [tcp_main.c:3575]: BUG: handle_ser_child: fd -1 for 0 (pid 24074)
Apr  1 07:42:21 (none) /usr/sbin/kamailio[24084]: : <core> [tcp_main.c:3338]: BUG: handle_tcp_child: fd -1061109568 for 0 (pid 0, ser no 0)
Apr  1 07:42:21 (none) /usr/sbin/kamailio[24084]: : <core> [pass_fd.c:209]: ERROR: send_fd: sendmsg failed sending 19 on -1061109568: Bad file descriptor (9)
Apr  1 07:42:21 (none) /usr/sbin/kamailio[24084]: ERROR: <core> [tcp_main.c:4003]: ERROR: send2child: send_fd failed for 0x7ff3c82b3bb8 (flags 0x4018), fd 19
Apr  1 07:42:45 (none) /usr/sbin/kamailio[24084]: : <core> [tcp_main.c:3575]: BUG: handle_ser_child: fd -1 for 0 (pid 24074)
Apr  1 07:42:45 (none) /usr/sbin/kamailio[24084]: : <core> [tcp_main.c:3338]: BUG: handle_tcp_child: fd -1061109568 for 0 (pid 0, ser no 0)
Apr  1 07:42:45 (none) /usr/sbin/kamailio[24084]: : <core> [pass_fd.c:209]: ERROR: send_fd: sendmsg failed sending 19 on -1061109568: Bad file descriptor (9)
Apr  1 07:42:45 (none) /usr/sbin/kamailio[24084]: ERROR: <core> [tcp_main.c:4003]: ERROR: send2child: send_fd failed for 0x7ff3c82b3bb8 (flags 0x4018), fd 19
Apr  1 07:43:39 (none) /usr/sbin/kamailio[24084]: : <core> [tcp_main.c:3575]: BUG: handle_ser_child: fd -1 for 0 (pid 24074)
Apr  1 07:43:39 (none) /usr/sbin/kamailio[24084]: : <core> [tcp_main.c:3338]: BUG: handle_tcp_child: fd -1061109568 for 0 (pid 0, ser no 0)
Apr  1 07:43:39 (none) /usr/sbin/kamailio[24084]: : <core> [pass_fd.c:209]: ERROR: send_fd: sendmsg failed sending 19 on -1061109568: Bad file descriptor (9)
Apr  1 07:43:39 (none) /usr/sbin/kamailio[24084]: ERROR: <core> [tcp_main.c:4003]: ERROR: send2child: send_fd failed for 0x7ff3c82b3bb8 (flags 0x4018), fd 19
Apr  1 07:45:22 (none) /usr/sbin/kamailio[24084]: : <core> [tcp_main.c:3575]: BUG: handle_ser_child: fd -1 for 0 (pid 24074)
Apr  1 07:45:22 (none) /usr/sbin/kamailio[24084]: : <core> [tcp_main.c:3338]: BUG: handle_tcp_child: fd -1061109568 for 0 (pid 0, ser no 0)
Apr  1 07:45:22 (none) /usr/sbin/kamailio[24084]: : <core> [pass_fd.c:209]: ERROR: send_fd: sendmsg failed sending 19 on -1061109568: Bad file descriptor (9)
Apr  1 07:45:22 (none) /usr/sbin/kamailio[24084]: ERROR: <core> [tcp_main.c:4003]: ERROR: send2child: send_fd failed for 0x7ff3c82b3bb8 (flags 0x4018), fd 19