[asterisk-bugs] [JIRA] (ASTERISK-26197) chan_sip: Deadlock during hangup

[Dmitrii kondrashin (JIRA)]

    [ https://issues.asterisk.org/jira/browse/ASTERISK-26197?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=231417#comment-231417 ] 

Dmitrii kondrashin commented on ASTERISK-26197:
-----------------------------------------------

Joshua, please specify, lock occurs only when we run the command by ami or asterisk console too?
Maybe you advise a temporary solution until the problem is solved? I want to avoid deadlocks asterisk servers.
Thank you.

> chan_sip: Deadlock during hangup
> --------------------------------
>
>                 Key: ASTERISK-26197
>                 URL: https://issues.asterisk.org/jira/browse/ASTERISK-26197
>             Project: Asterisk
>          Issue Type: Bug
>      Security Level: None
>          Components: Channels/chan_sip/General
>    Affects Versions: 11.22.0
>         Environment: CentOS release 6.7 (Final) x64
>            Reporter: Dmitrii kondrashin
>         Attachments: backtrace.txt, core-show-fd.txt, core-show-locks.txt, core-show-taskprocessors.txt, core-show-threads.txt
>
>
> Periodically, the asterisk stop to handle call(SIP messages) correctly. Сorrect handling is restored only after restarting asterisk.
> It seems that the lock is created while asterisk tries to read from the tls socket, after that the thread crushes without release  of lock, and  all other threads are waiting for the release of this lock.
> Asterisk was compiled without srtp module and tls is disabled in asterisk's configs. 
> I've attached  the output of commands "core show locks", "core show taskprocessors", "core show threads", "core show fd", and backtrace-file prepared using gdb. 
> Build Options: DONT_OPTIMIZE, DEBUG_THREADS, LOADABLE_MODULES, DEBUG_FD_LEAKS



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