[asterisk-bugs] [JIRA] (ASTERISK-24359) Deadlock in chan_sip.c when monitoring

[Rusty Newton (JIRA)]

     [ https://issues.asterisk.org/jira/browse/ASTERISK-24359?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Rusty Newton updated ASTERISK-24359:
------------------------------------

    Assignee: Kevin Scott Adams
      Status: Waiting for Feedback  (was: Triage)

[~nivek] please read through the [Asterisk Issue Guidelines|https://wiki.asterisk.org/wiki/display/AST/Asterisk+Issue+Guidelines] to see how to use the tracker and what we typically need for various issues. Try not to post large chunks of debug into description or comment fields. It ends up making for a lot of scrolling and difficulty reading if the issue gets lengthy.

In this case, can you provide also:

 *  An [Asterisk log|https://wiki.asterisk.org/wiki/display/AST/Collecting+Debug+Information] captured up to the time of the deadlock.
 * If possible can you recompile with DEBUG_THREADS, DONT_OPTIMIZE and BETTER_BACKTRACES, so that the next lock output and trace you get will include additional information.
 * Provide a [Backtrace|https://wiki.asterisk.org/wiki/display/AST/Getting+a+Backtrace#GettingaBacktrace-GettingInformationForADeadlock] and the output of "core show locks" from the CLI. 

Be sure the Asterisk log correlates to the particular lock of course. 

Thanks a ton!


> Deadlock in chan_sip.c when monitoring
> --------------------------------------
>
>                 Key: ASTERISK-24359
>                 URL: https://issues.asterisk.org/jira/browse/ASTERISK-24359
>             Project: Asterisk
>          Issue Type: Bug
>      Security Level: None
>          Components: Channels/chan_sip/General
>    Affects Versions: 1.8.29.0
>         Environment: CentOS 5 x86_64 kernel 2.6.18-274.18.1
>            Reporter: Kevin Scott Adams
>            Assignee: Kevin Scott Adams
>         Attachments: locks_output.txt
>
>
> Been getting some deadlocks recently and the only thing I can point to is monitoring a channel.  Seems to be a weekly occurrence but no feed back from the users what they were doing at the time.
> [Edit by Rusty - large inline debug excerpt removed per the guidelines.]
> This locks the entire system asterisk system.
> Thanks,
> Kev



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