[asterisk-bugs] [JIRA] (ASTERISK-26861) Deadlock in setting CDR variables

[Asterisk Team (JIRA)]

    [ https://issues.asterisk.org/jira/browse/ASTERISK-26861?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=235739#comment-235739 ] 

Asterisk Team commented on ASTERISK-26861:
------------------------------------------

Thanks for creating a report! The issue has entered the triage process. That means the issue will wait in this status until a Bug Marshal has an opportunity to review the issue. Once the issue has been reviewed you will receive comments regarding the next steps towards resolution.

A good first step is for you to review the [Asterisk Issue Guidelines|https://wiki.asterisk.org/wiki/display/AST/Asterisk+Issue+Guidelines] if you haven't already. The guidelines detail what is expected from an Asterisk issue report.

Then, if you are submitting a patch, please review the [Patch Contribution Process|https://wiki.asterisk.org/wiki/display/AST/Patch+Contribution+Process].

> Deadlock in setting CDR variables
> ---------------------------------
>
>                 Key: ASTERISK-26861
>                 URL: https://issues.asterisk.org/jira/browse/ASTERISK-26861
>             Project: Asterisk
>          Issue Type: Bug
>      Security Level: None
>          Components: Functions/func_cdr
>    Affects Versions: 13.14.0
>         Environment: Debian sid
>            Reporter: Alex Hermann
>
> When setting many CDR variables throughout the dialplan, at some point almost all channels/threads will wait on a lock that never gets released. SIP processing stops at that point.
> I don't know if it is relevant, but I set various CDR variables before the Dial command, in the contexts for Dial's 'G' and 'U' options and in the h exten for both the master and the outbound channels (by Dial's 'e' option).
> The problem only manifests itself during a bit of call load on the server (as does every deadlock). I can pretty reliable reproduce it within 15k calls at max 50 cps).
> {code}
> CLI> core show taskprocessors
> ...
> subm:cdr_engine-00000003                        11547039      22051       1439       4500       5000
> ...
> {code}
> I'll attach thread list and backtraces.



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