[asterisk-bugs] [JIRA] (ASTERISK-29138) Asterisk doesn't process ACK on high CPS

[Joshua C. Colp (JIRA)]

     [ https://issues.asterisk.org/jira/browse/ASTERISK-29138?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Joshua C. Colp updated ASTERISK-29138:
--------------------------------------

    Assignee: Sergio
      Status: Waiting for Feedback  (was: Triage)

Your system appears to be hung in DNS lookups while looking up the hostname "gladiator1.chaos.hr" which I believe is your local hostname. This is used by both chan_sip and chan_pjsip to get the local IP address for RTP/SDP purposes. Is this configured in /etc/hosts to remove any reliance on an external DNS server?

> Asterisk doesn't process ACK on high CPS
> ----------------------------------------
>
>                 Key: ASTERISK-29138
>                 URL: https://issues.asterisk.org/jira/browse/ASTERISK-29138
>             Project: Asterisk
>          Issue Type: Bug
>      Security Level: None
>          Components: pjproject/pjsip
>    Affects Versions: 16.3.0, 17.7.0
>         Environment: CentOS 8 5.8.11-1.el8.elrepo.x86_64
> CentOS 8 4.18.0-193.19.1.el8_2.x86_64
> Ubuntu 5.4.0-51-generic #56-Ubuntu
> Ryzen 2700
> 2 x EPYC 7742
> 10 Gb/s LAN connection
> sipp SIPp v3.6.1-TLS-SCTP-PCAP-RTPSTREAM
> sipp command: sipp -s uac -rtp_echo -nr -trace_msg -trace_err -d 60s -r 75 -l 5000 -i 10.40.1.36 -p 5070 -s 505 10.40.1.58:5060
> Asterisk compiled with default configuration, only selected DONT_OPTIMIZE in menuselect.
>            Reporter: Sergio
>            Assignee: Sergio
>
> As explained here https://community.asterisk.org/t/pjsip-stack-resends-messages-on-high-cps/86102 on a bit higher load Asterisk seems to fail recognizing the ACK and resends 200 OK during call setup.
> I've attached the core dump, tcpdump, config files and sip/debug logs here https://drive.google.com/drive/folders/1qvg5nNFa32egMss_0SjFubgLaWUBuVmO?usp=sharing
> tcpdump was taken on the machine running asterisk to avoid network issues.
> Issue is consistent, and can be repeated easily.



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