[asterisk-bugs] [JIRA] (ASTERISK-17436) random deadlocks - SIP messages not being processed

[Matt Jordan (JIRA)]

     [ https://issues.asterisk.org/jira/browse/ASTERISK-17436?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Matt Jordan updated ASTERISK-17436:
-----------------------------------

    Target Release Version/s: 1.8.23.0
    
> random deadlocks - SIP messages not being processed
> ---------------------------------------------------
>
>                 Key: ASTERISK-17436
>                 URL: https://issues.asterisk.org/jira/browse/ASTERISK-17436
>             Project: Asterisk
>          Issue Type: Bug
>          Components: Channels/chan_sip/General, Resources/res_timing_pthread
>            Reporter: Henry Fernandes
>      Target Release: 1.8.22.0, 1.8.23.0, 11.4.0
>
>         Attachments: backtrace-threads-11021911:55:58.txt, backtrace-threads-11021912:05:44.txt, backtrace-threads.txt, core-show-locks-11021911:55:58.txt, core-show-locks-11021912:05:44.txt, core-show-locks.txt
>
>
> Just upgraded to Asterisk 1.8.2 for production and we're getting random deadlocks.  When this happens, it looks like Asterisk is not able to process new SIP messages.  Any INVITEs or REGISTERs that arrive are not being outputted to the console or logs.
> This seems to happen randomly.  I have not been able to reproduce it at will although it does happen about 5-10 times per day.  The server is handling about 2000 calls/day, so it's not really that busy.  There are about 75 phones connected to the server.
> Please see attached backtrace and lock output for more information.  It shows the deadlocks but I'm not sure which is the root issue here.
> ****** ADDITIONAL INFORMATION ******
> I've been able to reproduce this on Asterisk 1.8.2.2 and 1.8.2.3.  OS is CentOS release 5.5 (Final).

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