Hello,

We are seeing an issue where a call will be “stuck” for roughly a minute or so and in the Asterisk log give many “Expected to acknowledge ticks”
warnings as below. Can anyone suggest a cause? The system is running
11.21.2. Thanks in advance.

[Mar 10 08:00:25] DEBUG[3158][C-0000273f] channel.c: Set channel Local/4171411@product-phone-0000217b;2 to write format slin
[Mar 10 08:00:25] DEBUG[3158][C-0000273f] res_musiconhold.c:
Local/4171411@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@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@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@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