[asterisk-bugs] [JIRA] (ASTERISK-27958) Deadlock in res_pjsip_registrar on contact transport shutdown

[Joshua Colp (JIRA)]

     [ https://issues.asterisk.org/jira/browse/ASTERISK-27958?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Joshua Colp closed ASTERISK-27958.
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    Resolution: Not A Bug

After further investigation this does not appear to be a bug in Asterisk itself.

Thread 80 shows Asterisk waiting on the MySQL ODBC client to respond after it is given a query to prepare to delete a contact. While this is happening the AOR itself is locked. The threads locking up are waiting to acquire the AOR lock. The MySQL ODBC client should return quickly, but it is not.

Other threads are also seemingly blocked waiting for the database to respond throughout the backtrace.

> Deadlock in res_pjsip_registrar on contact transport shutdown
> -------------------------------------------------------------
>
>                 Key: ASTERISK-27958
>                 URL: https://issues.asterisk.org/jira/browse/ASTERISK-27958
>             Project: Asterisk
>          Issue Type: Bug
>      Security Level: None
>          Components: Resources/res_pjsip_registrar
>    Affects Versions: GIT
>         Environment: CentOS 7
>            Reporter: Ross Beer
>              Labels: pjsip
>
> A deadlock occurs on contact transport shutdown.
> Full backtraces have been sent over.



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