[asterisk-bugs] [JIRA] (ASTERISK-27964) app_queue: ring_entry accesses nativeformats without channel lock or reference

[Joshua Colp (JIRA)]

    [ https://issues.asterisk.org/jira/browse/ASTERISK-27964?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=244145#comment-244145 ] 

Joshua Colp commented on ASTERISK-27964:
----------------------------------------

I've determined what is going on and this is now accepted.

> app_queue: ring_entry accesses nativeformats without channel lock or reference
> ------------------------------------------------------------------------------
>
>                 Key: ASTERISK-27964
>                 URL: https://issues.asterisk.org/jira/browse/ASTERISK-27964
>             Project: Asterisk
>          Issue Type: Bug
>      Security Level: None
>          Components: Applications/app_queue
>    Affects Versions: 13.21.1
>         Environment: CentOS release 6.9 (Final) - kernel 2.6.32-696.13.2.el6.x86_64
> CPU Intel(R) Xeon(R) 16 core  - RAM 16GB 
>            Reporter: Francisco Seratti
>            Assignee: Unassigned
>         Attachments: core.12209.tar.gz, core.24077.tar.gz, messages.txt
>
>
> Program terminated with signal 11, Segmentation fault. It happens 0-3 times per day.
> Asterisk is being used to run a call center with 40 simultaneous agents, making almost 10 thousand outgoing calls per day. Agents login using SIP hardphones using G729 codec.
> Outbound calls are made through an IAX peer with GSM codec by a NodeJS process using AMI interface, the same process regenerates conf files and reloads when a new agent/queue is created.
> Asterisk is built and used completely by default (now only added DONT_OPTIMIZE and BETTER_BACKTRACES to generate core dump).
> I cant reproduce the fail, core dump will be attached.



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