[asterisk-bugs] [JIRA] (ASTERISK-25839) "Expected to acknowledge ticks" problem

[Asterisk Team (JIRA)]

    [ https://issues.asterisk.org/jira/browse/ASTERISK-25839?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=229862#comment-229862 ] 

Asterisk Team commented on ASTERISK-25839:
------------------------------------------

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].

> "Expected to acknowledge ticks" problem
> ---------------------------------------
>
>                 Key: ASTERISK-25839
>                 URL: https://issues.asterisk.org/jira/browse/ASTERISK-25839
>             Project: Asterisk
>          Issue Type: Bug
>      Security Level: None
>          Components: Channels/chan_sip/General
>    Affects Versions: 11.21.2
>         Environment: Debian 7.6, 64 bit
>            Reporter: David Cunningham
>            Severity: Critical
>
> We are seeing an issue where a call will be "stuck" for roughly a minute or so and the Asterisk log gives many "Expected to acknowledge ticks" warnings as below. This is causing severe issues for a customer running a call centre. The system is running 11.21.2.
> Can you advise of the cause? Thank you.
> [Mar 10 08:00:25] DEBUG[3158][C-0000273f] channel.c: Set channel Local/4171411 at product-phone-0000217b;2 to write format slin
> [Mar 10 08:00:25] DEBUG[3158][C-0000273f] res_musiconhold.c: Local/4171411 at product-phone-0000217b;2 Opened file 0 '/var/lib/product/music/2/2/1'
> [Mar 10 08:00:25] DEBUG[3146][C-0000273f] res_rtp_asterisk.c: Difference is 888, ms is 131
> [Mar 10 08:00:25] DEBUG[3158][C-0000273f] res_timing_timerfd.c: Expected to acknowledge 1 ticks but got 4 instead
> [Mar 10 08:00:30] DEBUG[3146][C-0000273f] res_rtp_asterisk.c: Got RTCP report of 76 bytes
> [Mar 10 08:00:30] DEBUG[3158][C-0000273f] res_musiconhold.c: Local/4171411 at product-phone-0000217b;2 Opened file 0 '/var/lib/product/music/2/2/1'
> [Mar 10 08:00:30] DEBUG[3158][C-0000273f] res_timing_timerfd.c: Expected to acknowledge 1 ticks but got 4 instead
> [Mar 10 08:00:30] DEBUG[3146][C-0000273f] res_rtp_asterisk.c: Difference is 752, ms is 114
> [Mar 10 08:00:32] DEBUG[3146][C-0000273f] res_rtp_asterisk.c: Got RTCP report of 76 bytes
> [Mar 10 08:00:35] DEBUG[3158][C-0000273f] res_musiconhold.c: Local/4171411 at product-phone-0000217b;2 Opened file 0 '/var/lib/product/music/2/2/1'
> [Mar 10 08:00:35] DEBUG[3158][C-0000273f] res_timing_timerfd.c: Expected to acknowledge 1 ticks but got 5 instead
> [Mar 10 08:00:35] DEBUG[3146][C-0000273f] res_rtp_asterisk.c: Difference is 824, ms is 123
> [Mar 10 08:00:36] DEBUG[3146][C-0000273f] res_rtp_asterisk.c: Got RTCP report of 76 bytes
> [Mar 10 08:00:40] DEBUG[3158][C-0000273f] res_musiconhold.c: Local/4171411 at product-phone-0000217b;2 Opened file 0 '/var/lib/product/music/2/2/1'
> [Mar 10 08:00:40] DEBUG[3158][C-0000273f] res_timing_timerfd.c: Expected to acknowledge 1 ticks but got 4 instead



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