[asterisk-bugs] [JIRA] (ASTERISK-20550) Deadlock between SIP pvts being placed in container and CLI command 'sip show channels'

[Matt Jordan (JIRA)]

    [ https://issues.asterisk.org/jira/browse/ASTERISK-20550?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=204538#comment-204538 ] 

Matt Jordan commented on ASTERISK-20550:
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Well, that's not the worst thing in the world :-)

I'll close this issue out to ASTERISK-21068. We've had a number of people report the same problem - if you do run into it again, try the patch out on that issue. It should keep REGISTER request parsing from deadlocking if you happen to also be running a CLI command at the same time.
                
> Deadlock between SIP pvts being placed in container and CLI command 'sip show channels'
> ---------------------------------------------------------------------------------------
>
>                 Key: ASTERISK-20550
>                 URL: https://issues.asterisk.org/jira/browse/ASTERISK-20550
>             Project: Asterisk
>          Issue Type: Bug
>      Security Level: None
>          Components: Channels/chan_sip/General
>    Affects Versions: SVN
>            Reporter: David Brillert
>            Assignee: David Brillert
>         Attachments: cli.txt, refcountdebug.txt, sip show channels ref count log.rar, thread apply bt.txt
>
>
> While testing for ref counting issues to debug another bug report I ran into a deadlock.
> core show locks unresponsive so I attached with gdb.
> Ref count debugging was enabled so I am attaching:
> gdb thread apply all bt
> cli before lock
> ref count file

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