[asterisk-bugs] [JIRA] (ASTERISK-29286) chan_pjsip: Deadlock between sending response and transaction layer

[Mikhail (JIRA)]

    [ https://issues.asterisk.org/jira/browse/ASTERISK-29286?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=253842#comment-253842 ] 

Mikhail commented on ASTERISK-29286:
------------------------------------

Hello, Kevin. After applying the patch the behavior has changed. Now asterisk randomly crashes about once a day. Attaching backtraces. Also This I can see in logs:

2021-02-17 13:14:29] WARNING[30614] pjproject:              tsx0x7f90ad3e5588 .Error sending Response msg 183/INVITE/cseq=9725 (tdta0x7f90a80b31d8): Unknown Error (PJ_EUNKNOWN)
[2021-02-17 13:14:29] VERBOSE[30614] res_http_websocket.c: WebSocket connection from '180.178.129.90:50426' closed
[2021-02-17 13:15:00] Asterisk 16.16.0 built by root @ localhost on a x86_64 running Linux on 2021-01-27 09:16:44 UTC

> chan_pjsip: Deadlock between sending response and transaction layer
> -------------------------------------------------------------------
>
>                 Key: ASTERISK-29286
>                 URL: https://issues.asterisk.org/jira/browse/ASTERISK-29286
>             Project: Asterisk
>          Issue Type: Bug
>      Security Level: None
>          Components: Channels/chan_pjsip
>    Affects Versions: 16.16.0
>         Environment: ubuntu 18.04
>            Reporter: Mikhail
>            Assignee: Unassigned
>            Severity: Major
>              Labels: patch
>         Attachments: 0080-fix-transaction-layer-deadlock.patch, core.sead.leadzvon.ru-2021-02-17T13-14-55+0000-brief.txt, core.sead.leadzvon.ru-2021-02-17T13-14-55+0000-full.txt, core.sead.leadzvon.ru-2021-02-17T13-14-55+0000-info.txt, core.sead.leadzvon.ru-2021-02-17T13-14-55+0000-locks.txt, core.sead.leadzvon.ru-2021-02-17T13-14-55+0000-thread1.txt, debug_log_123456, t.18881-brief.txt, t.18881-full.txt, t.18881-info.txt, t.18881-locks.txt, t.18881-thread1.txt
>
>
> In some cases asterisk stops answering options/register, but answers invite, server is not under high load



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