[OpenSIPS-Users] TCP-related errors

[Ben Newlin]

We are just migrating to OpenSIPS 3.2 and I also have seen these errors, though I saw them under significant load.

I opened a Github issue for it here: https://github.com/OpenSIPS/opensips/issues/2724

Ben Newlin

From: Users <users-bounces at lists.opensips.org> on behalf of Jeff Pyle <jeff at ugnd.org>
Date: Tuesday, January 11, 2022 at 7:25 PM
To: OpenSIPS users mailling list <users at lists.opensips.org>
Subject: [OpenSIPS-Users] TCP-related errors
Hello,

I have two similarly configured systems running a recent OpenSIPS 3.2 with may errors like this:

CRITICAL:core:io_watch_add:
>>> fd_array idx 1 (fd=193) points to bogus map (fd=-1,type=0,flags=20000000,data=(nil))

It seems you have hit a programming bug.
Please help us make OpenSIPS better by reporting it at https://github.com/OpenSIPS/opensips/issues<https://github.com/OpenSIPS/opensips/issues>

and

ERROR:tls_openssl:openssl_tls_async_connect: failed to retrieve SO_ERROR [server=52.114.76.76:5061<http://52.114.76.76:5061>] (3) No such process
ERROR:proto_tls:tls_async_write: failed to do pre-tls handshake!
ERROR:tls_openssl:openssl_tls_accept: SSL_ERROR_SYSCALL err=Success(0)
ERROR:tls_openssl:openssl_tls_accept: New TLS connection from 52.114.32.169:6912<http://52.114.32.169:6912> failed to accept
ERROR:proto_tls:tls_read_req: failed to do pre-tls handshake!
ERROR:tls_openssl:openssl_tls_accept: SSL_ERROR_SYSCALL err=Success(0)
ERROR:tls_openssl:openssl_tls_accept: New TLS connection from 52.114.132.46:3008<http://52.114.132.46:3008> failed to accept
ERROR:proto_tls:tls_read_req: failed to do pre-tls handshake!
ERROR:tls_openssl:openssl_tls_accept: SSL_ERROR_SYSCALL err=Success(0)
ERROR:tls_openssl:openssl_tls_accept: New TLS connection from 52.114.32.169:3072<http://52.114.32.169:3072> failed to accept

I'm wondering if this is truly a bug as the text suggests, or if I have a misconfiguration.  I increased the number of file descriptors available to opensips in /etc/security/limits.conf on one of the systems about 10 minutes ago, and so far, no more errors.  Normally I would have seen them by now.

Both systems have low traffic, less than 1 cps.

I don't have a lot of experience using OpenSIPS with TCP.  It wouldn't surprise me if I've missed something.



- Jeff


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