[asterisk-bugs] [JIRA] (ASTERISK-28972) FRACK! + task processor queue issue

[Joshua C. Colp (JIRA)]

     [ https://issues.asterisk.org/jira/browse/ASTERISK-28972?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Joshua C. Colp updated ASTERISK-28972:
--------------------------------------

    Component/s:     (was: pjproject/pjsip)
                 Resources/res_pjsip

> FRACK! + task processor queue issue
> -----------------------------------
>
>                 Key: ASTERISK-28972
>                 URL: https://issues.asterisk.org/jira/browse/ASTERISK-28972
>             Project: Asterisk
>          Issue Type: Bug
>      Security Level: None
>          Components: Resources/res_pjsip
>    Affects Versions: 16.10.0
>         Environment: AWS Ubuntu 16.04
>            Reporter: Cyril Ramière
>
> Hello everyone,
> Today I had a big issue with multiple asterisks across multiple machines.
> The asterisks have not crashed, but they was in an unstable state (some calls working, some not) with an unusual 9-10 seconds delay on all calls.
> For the incoming calls, when our SBC send the INVITE, asterisk had a 9-10 seconds delay replying to that invite.
> For outgoing calls (I even tried directly in the console using channel originate) the same delay was present between the time that I hit enter and the time when the INVITE is really send.
> I saw on the log multiples messages related to the task processor queue, those messages remained even after there was no active calls.
> It seems that there are no correlation between the issue and the amount of calls that my machines had, some had like 50 calls others like 300 calls...
> Here are some samples of error messages:
> ----------
> [Jun 30 08:44:20] ERROR[5871] res_pjsip_session.c: FRACK!, Failed assertion bad magic number 0x0 for object 0x7f8ff11751b0 (0)
> [Jun 30 08:44:20] ERROR[5871] : Got 13 backtrace records
> # 0: /usr/sbin/asterisk() [0x45c977]
> # 1: /usr/sbin/asterisk() [0x45ff1b]
> # 2: /usr/sbin/asterisk(__ao2_find+0x28) [0x460108]
> # 3: /usr/lib/asterisk/modules/res_pjsip_session.so(ast_sip_session_get_datastore+0x31) [0x7f8f8d0a2491]
> # 4: /usr/lib/asterisk/modules/res_pjsip_header_funcs.so(+0x1f56) [0x7f8f8ba52f56]
> # 5: /usr/lib/asterisk/modules/res_pjsip.so(+0x11730) [0x7f8f8f51f730]
> # 6: /usr/sbin/asterisk(ast_taskprocessor_execute+0xce) [0x59b61e]
> # 7: /usr/sbin/asterisk() [0x5a2d10]
> # 8: /usr/sbin/asterisk(ast_taskprocessor_execute+0xce) [0x59b61e]
> # 9: /usr/sbin/asterisk() [0x5a34b0]
> #10: /usr/sbin/asterisk() [0x5ab34c]
> #11: /lib/x86_64-linux-gnu/libpthread.so.0(+0x76ba) [0x7f8ff96a76ba]
> #12: /lib/x86_64-linux-gnu/libc.so.6(clone+0x6d) [0x7f8ff8c8141d]
> [Jun 30 08:56:09] WARNING[28633][C-000085dc] taskprocessor.c: The 'stasis/m:rtp:all-0000064a' task processor queue reached 500 scheduled tasks.
> [Jun 30 09:01:48] WARNING[1977] taskprocessor.c: The 'stasis/m:rtp:all-0000064a' task processor queue reached 500 scheduled tasks again.
> [...]
> [Jun 30 09:41:38] ERROR[21458] res_pjsip_session.c: FRACK!, Failed assertion bad magic number 0x0 for object 0x7f8ff0c6bc70 (0)
> [Jun 30 09:41:38] ERROR[21458] : Got 13 backtrace records
> # 0: /usr/sbin/asterisk() [0x45c977]
> # 1: /usr/sbin/asterisk() [0x45ff1b]
> # 2: /usr/sbin/asterisk(__ao2_find+0x28) [0x460108]
> # 3: /usr/lib/asterisk/modules/res_pjsip_session.so(ast_sip_session_get_datastore+0x31) [0x7f8f8d0a2491]
> # 4: /usr/lib/asterisk/modules/res_pjsip_header_funcs.so(+0x1f56) [0x7f8f8ba52f56]
> # 5: /usr/lib/asterisk/modules/res_pjsip.so(+0x11730) [0x7f8f8f51f730]
> # 6: /usr/sbin/asterisk(ast_taskprocessor_execute+0xce) [0x59b61e]
> # 7: /usr/sbin/asterisk() [0x5a2d10]
> # 8: /usr/sbin/asterisk(ast_taskprocessor_execute+0xce) [0x59b61e]
> # 9: /usr/sbin/asterisk() [0x5a34b0]
> #10: /usr/sbin/asterisk() [0x5ab34c]
> #11: /lib/x86_64-linux-gnu/libpthread.so.0(+0x76ba) [0x7f8ff96a76ba]
> #12: /lib/x86_64-linux-gnu/libc.so.6(clone+0x6d) [0x7f8ff8c8141d]
> ----------
> Since this is running in production, I don't have a coredump, and I wasn't able to reproduce (yet) the issue in develop.
> I checked everything I can (instances, network, dns resolution, ...) and found nothing unusual.
> Restarting asterisk fixed the issue, now I'm fearing that it will happen again.
> Any thoughts? I don't know what I'm looking, the the FRACK messages means nothing for me.
> Thanks



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