[asterisk-bugs] [JIRA] (ASTERISK-28093) pbx: Deadlock from holding channel when it shouldn't be

[Joshua C. Colp (JIRA)]

     [ https://issues.asterisk.org/jira/browse/ASTERISK-28093?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Joshua C. Colp updated ASTERISK-28093:
--------------------------------------

    Summary: pbx: Deadlock from holding channel when it shouldn't be  (was: Asterisk Deadlocks with High Load)

> pbx: Deadlock from holding channel when it shouldn't be
> -------------------------------------------------------
>
>                 Key: ASTERISK-28093
>                 URL: https://issues.asterisk.org/jira/browse/ASTERISK-28093
>             Project: Asterisk
>          Issue Type: Bug
>      Security Level: None
>          Components: General
>    Affects Versions: 13.18.5, 13.22.0, 13.23.1
>         Environment: Debian 8.11 64 bits
> Intel(R) Xeon(R) CPU E5-2660 v4 @ 2.00GHz - 8 cores
> 32GB RAM
>            Reporter: Nicolas Tanski
>            Assignee: Unassigned
>              Labels: crash, deadlock
>         Attachments: backtrace-threads.txt, messages-20181005
>
>
> Hi Team,
> we are experiencing frequent crash issues in the Asterisk instance, we are using our own dialer solution with AMI protocol.
> The Asterisk service operates on average with 250 simultaneous calls, 40 record calls, the load is between 1 and 3, in some cases the load quickly rises to 10, which causes the rejection of new calls and the instance of Asterisk does not respond.
> We were only able to restart the service by killing the Asterisk service with the Kill PID command.
> It was enabled the flags DONT_OPTIMIZE, BETTER_BACKTRACES and MALLOC_DEBUG to try identify the problem.
> Summary
> Average simultaneous calls: 347
> Average record calls: 40
> Load Average: > 1 and < 3
> High Load Average: 25.26
> After the crash in Asterisk, we execute the commands and the service returns to normal operation
> \# kill -9 PID_ASTERISK
> \# /etc/init.d/asterisk start



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