[asterisk-bugs] [JIRA] (ASTERISK-24456) SIP deadlock in transfer scenario between Asterisk Servers

[Peter Katzmann (JIRA)]

     [ https://issues.asterisk.org/jira/browse/ASTERISK-24456?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Peter Katzmann updated ASTERISK-24456:
--------------------------------------

    Status: Waiting for Feedback  (was: Waiting for Feedback)

Well,
core show locks showed nothing.
But as said already, after building and using the debugging version, i got these new error messages about the large unexpected frames.
During this Time the system was nearly unusable due to high load, the other connected asterisk servers reported server was gone.

And mostly i get a coredump.

> SIP deadlock in transfer scenario between Asterisk Servers
> ----------------------------------------------------------
>
>                 Key: ASTERISK-24456
>                 URL: https://issues.asterisk.org/jira/browse/ASTERISK-24456
>             Project: Asterisk
>          Issue Type: Bug
>      Security Level: None
>          Components: Channels/chan_local, Channels/chan_sip/General
>    Affects Versions: 11.13.0
>         Environment: Ubuntu precise
>            Reporter: Peter Katzmann
>            Assignee: Peter Katzmann
>            Severity: Critical
>         Attachments: asterisk-sip-loc, backtrace.txt, serverchef.txt, serversek.txt, threads.txt
>
>
> We have 3 Asterisk server (a,b and c)
> we have also 3 different user (Caller, Chef, Sek) .
> User Caller on Server a
> User Chef on Server b
> User Sek on Server c
> Now Caller Dials to Chef
> Chef has a call rule via agi to only accept direct calls from Sek, all other calls are transferred to Sek.
> So the call from Caller on server a is tranfered to Sek on server c automatically
> Sek accepts the calls
> Now Sek will do a unattended transfer of caller to Chef
> Now the server b with Chef shows no action on the dialplan anymore and blocks
> Sometimes also crashes.



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