Module: kamailio Branch: master Commit: 85def4c200e216dce5d3d8e53461a69ab408fa3c URL: https://github.com/kamailio/kamailio/commit/85def4c200e216dce5d3d8e53461a69… Author: Daniel-Constantin Mierla &lt;miconda(a)gmail.com&gt; Committer: Daniel-Constantin Mierla &lt;miconda(a)gmail.com&gt; Date: 2017-08-11T16:11:19+02:00 core: tcp - print str error in debug message if faling to write to connection --- Modified: src/core/tcp_main.c --- Diff: https://github.com/kamailio/kamailio/commit/85def4c200e216dce5d3d8e53461a69… Patch: https://github.com/kamailio/kamailio/commit/85def4c200e216dce5d3d8e53461a69… --- diff --git a/src/core/tcp_main.c b/src/core/tcp_main.c index 06812db509..09f7f4301b 100644 --- a/src/core/tcp_main.c +++ b/src/core/tcp_main.c @@ -2621,8 +2621,14 @@ static int tcpconn_1st_send(int fd, struct tcp_connection* c, ENOTCONN appears on newer FreeBSD versions (non-blocking socket, connect() & send immediately) */ if ((n>=0) || errno==EAGAIN || errno==EWOULDBLOCK || errno==ENOTCONN){ - LM_DBG("pending write on new connection %p " - "(%d/%d bytes written)\n", c, n, len); + if(n<0) { + LM_DBG("pending write on new connection %p " + "(%d/%d bytes written) (err: %d - %s)\n", c, n, len, + errno, strerror(errno)); + } else { + LM_DBG("pending write on new connection %p " + "(%d/%d bytes written)\n", c, n, len); + } if (unlikely(n<0)) n=0; else{ if (likely(c->state == S_CONN_CONNECT))