[asterisk-bugs] [JIRA] (ASTERISK-28643) Deadlock, possibly in Parking, maybe in combination with AMI status messages.

[Steve Sether (JIRA)]

     [ https://issues.asterisk.org/jira/browse/ASTERISK-28643?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Steve Sether updated ASTERISK-28643:
------------------------------------

    Attachment: core_show_locks-2019-11-14-crash1.txt
                full-asterisk-crash.gz

Core dump, full debug logs, and output from core show locks.

> Deadlock, possibly in Parking, maybe in combination with AMI status messages.
> -----------------------------------------------------------------------------
>
>                 Key: ASTERISK-28643
>                 URL: https://issues.asterisk.org/jira/browse/ASTERISK-28643
>             Project: Asterisk
>          Issue Type: Bug
>      Security Level: None
>          Components: PBX/General
>    Affects Versions: 16.6.1
>         Environment: Centos 6.10
>            Reporter: Steve Sether
>            Severity: Critical
>         Attachments: core_show_locks-2019-11-14-crash1.txt, full-asterisk-crash.gz
>
>
> Asterisk creates a deadlock, and stops responding to any SIP messages when I park a call. No new incoming calls are accepted, no outgoing calls are accepted, etc.  Some initial investigation using gdb and the core file show this might indicate it's related to generating STATUS messages from the AMI.  This happened when only one or maybe two calls were on the system.
> I was able to reproduce it initially a couple times, (and got some debug information out of it, including from a version where core show locks was compiled in).  For whatever reason, I can't seem to reproduce it again, even under the same conditions.



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