[asterisk-bugs] [JIRA] (ASTERISK-24239) UDP sockets used for RTP are sometimes leaked

[Etienne Lessard (JIRA)]

    [ https://issues.asterisk.org/jira/browse/ASTERISK-24239?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=222426#comment-222426 ] 

Etienne Lessard commented on ASTERISK-24239:
--------------------------------------------

Well, I got some results and did some analysis... and found out this was actually due to a module that is not part of the asterisk code.

So this ticket can be rejected. I'm sorry for the noise and lost of time due to it. I'll be more careful next time.

> UDP sockets used for RTP are sometimes leaked
> ---------------------------------------------
>
>                 Key: ASTERISK-24239
>                 URL: https://issues.asterisk.org/jira/browse/ASTERISK-24239
>             Project: Asterisk
>          Issue Type: Bug
>      Security Level: None
>    Affects Versions: 11.9.0, 11.11.0
>         Environment: Debian wheezy (7.6) 32-bits
>            Reporter: Etienne Lessard
>            Assignee: Etienne Lessard
>
> I found on 2 different asterisk (11.9.0 and 11.11.0 respectively) that UDP sockets bound in the RTP range were left open, and that the res_rtp_asterisk module had a high use count.
> On the first asterisk process, there was ~1625 UDP sockets bound in the RTP range and the res_rtp_asterisk use count was 811. On the second, there was 12 UDP sockets bound in the RTP range, and the res_rtp_asterisk use count was 6.
> In both case, there was no active channels (core show channels returned nothing) and there was no recent activity (i.e. no new calls since at least 5 minutes).
> Excerpt of lsof output for the asterisk process:
> {noformat}
> udp        0      0 192.168.17.81:18699     0.0.0.0:*
> udp        0      0 192.168.17.81:11531     0.0.0.0:*
> udp        0      0 192.168.17.81:19211     0.0.0.0:*
> udp        0      0 192.168.17.81:15627     0.0.0.0:*
> ....
> {noformat}
> I've tried to reproduce the problem but I've not yet been able. I've seen that at least one other person had a similar problem: http://forums.asterisk.org/viewtopic.php?f=1&t=82000
> I found this problem while I was looking for a sound problem. On the machine with 811 "leaked" UDP sockets, they had the week earlier a sound problem where A call B, B answer, A could hear B but B could NOT hear A. When that problem happened, an asterisk restart was needed for the calls to once again worked reliably. I did not found any particular errors/warnings in the logs just before the restart.
> I'll update the ticket if I find a way on how to systematically reproduce it.



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