[OpenSIPS-Users] TCP-related errors

[Bogdan-Andrei Iancu]

Just as a quick update here, the whole troubleshooting is undergoing in 
the GH ticket, as Ben mentioned.

And so far, a it seems to be TLS specific, not TPC, and even more, to be 
related to the TLS async writing. For the moment it's WIP.....

Best regards,

Bogdan-Andrei Iancu

OpenSIPS Founder and Developer
   https://www.opensips-solutions.com
OpenSIPS eBootcamp 2021
   https://opensips.org/training/OpenSIPS_eBootcamp_2021/

On 1/12/22 2:59 AM, Ben Newlin wrote:
>
> 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 
> <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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