[asterisk-bugs] [JIRA] (ASTERISK-28108) Deadlock in publish_msg (stasis.c)

[Asterisk Team (JIRA)]

    [ https://issues.asterisk.org/jira/browse/ASTERISK-28108?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=245144#comment-245144 ] 

Asterisk Team commented on ASTERISK-28108:
------------------------------------------

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 publish_msg (stasis.c)
> ----------------------------------
>
>                 Key: ASTERISK-28108
>                 URL: https://issues.asterisk.org/jira/browse/ASTERISK-28108
>             Project: Asterisk
>          Issue Type: Bug
>      Security Level: None
>          Components: CDR/General
>    Affects Versions: 15.4.0
>         Environment: CentOS Linux 7 (Core)
> Linux *** 3.10.0-862.2.3.el7.x86_64 #1 SMP Wed May 9 18:05:47 UTC 2018 x86_64 x86_64 x86_64 GNU/Linux
> Asterisk versions: 15.4.0 
>            Reporter: Denis Lebedev
>         Attachments: gdb.all.bt.txt
>
>
> We found a deadlock in {{publish_msg}} function, in particular thread {{Thread 26 (Thread 0x7fee8c505700 (LWP 14769))}} locked the topic {{stasis.c:845}} and stucked at condvar waiting {{stasis.c:816}}. Another 23 threads stucked at locking of the same topic {{stasis.c:845}}.
> At the same time we found this entry in the log:
> {noformat}
>     taskprocessor.c:893: The 'subm:endpoint_topic_all-cached-00000008' task processor queue reached 500 scheduled tasks again.
> {noformat}
> GDB info of all threads attached.



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