Daniel-Constantin Mierla writes:

> Can you see what is the next debug message printed by pid 19674?

Below is a few lines of the process before the freeze and a few after
(freeze took this time about 13 minutes).  Looks like the process
resumed processing of the same sip request.

> If you have access to the system when that blocks in this way during
> that interval, take the output of 'kamctl trap' or the backtrace with
> gdb for a sip udp worker process.

Will try during the next free.

-- Juha

Aug 28 08:31:15 rox2 /usr/bin/sip-proxy[19674]: DEBUG: <core> 
[core/receive.c:241]: receive_msg(): --- received sip message - reply - 
call-id: [SDm882f01-3268f8b9028f4a395a9cb72379c4b423-ao92gd1] - cseq: [1 INVITE]
Aug 28 08:31:15 rox2 /usr/bin/sip-proxy[19674]: DEBUG: tm [t_lookup.c:1041]: 
t_check_msg(): msg (0x7fd7cd1278a0) id=7999/19674 global id=7998/19674 T 
start=(nil)
Aug 28 08:31:15 rox2 /usr/bin/sip-proxy[19674]: DEBUG: tm [t_lookup.c:919]: 
t_reply_matching(): t_reply_matching: hash 51831 label 0 branch 0
Aug 28 08:31:15 rox2 /usr/bin/sip-proxy[19674]: DEBUG: tm [t_lookup.c:974]: 
t_reply_matching(): reply (0x7fd7cd1278a0) matched an active transaction 
(T=0x7fd7b443ead0)!
Aug 28 08:31:15 rox2 /usr/bin/sip-proxy[19674]: DEBUG: tm [t_hooks.c:258]: 
run_trans_callbacks_internal(): DBG: trans=0x7fd7b443ead0, callback type 2, id 
0 entered
Aug 28 08:31:15 rox2 /usr/bin/sip-proxy[19674]: DEBUG: acc [acc_logic.c:681]: 
tmcb_func(): acc callback called for t(0x7fd7b443ead0) event type 2, reply code 
480
Aug 28 08:31:15 rox2 /usr/bin/sip-proxy[19674]: DEBUG: acc [acc_logic.c:413]: 
should_acc_reply(): probing acc state - code: 480 flags: 0x240005c4
Aug 28 08:31:15 rox2 /usr/bin/sip-proxy[19674]: DEBUG: acc [acc_logic.c:430]: 
should_acc_reply(): failed acc is on
Aug 28 08:31:15 rox2 /usr/bin/sip-proxy[19674]: DEBUG: tm [t_lookup.c:1111]: 
t_check_msg(): msg (0x7fd7cd1278a0) id=7999/19674 global id=7999/19674 T 
end=0x7fd7b443ead0
Aug 28 08:31:15 rox2 /usr/bin/sip-proxy[19674]: DEBUG: tm [t_reply.c:2243]: 
reply_received(): transaction found - T:0x7fd7b443ead0 branch:0
.... freeze
Aug 28 08:44:50 rox2 /usr/bin/sip-proxy[19674]: DEBUG: tm [t_reply.c:2256]: 
reply_received(): org. status uas=408, uac[0]=408 local=0 is_invite=1)
Aug 28 08:44:50 rox2 /usr/bin/sip-proxy[19674]: DEBUG: tm [t_lookup.c:1041]: 
t_check_msg(): msg (0x7fd7cd1278a0) id=7999/19674 global id=7999/19674 T 
start=0x7fd7b443ead0
Aug 28 08:44:50 rox2 /usr/bin/sip-proxy[19674]: DEBUG: tm [t_lookup.c:1116]: 
t_check_msg(): T (0x7fd7b443ead0) already found for msg (0x7fd7cd1278a0)!
Aug 28 08:44:50 rox2 /usr/bin/sip-proxy[19674]: DEBUG: tm [tm.c:951]: 
t_check_status(): checked status is <480>
Aug 28 08:44:50 rox2 /usr/bin/sip-proxy[19674]: DEBUG: tm [t_lookup.c:1041]: 
t_check_msg(): msg (0x7fd7cd1278a0) id=7999/19674 global id=7999/19674 T 
start=0x7fd7b443ead0
Aug 28 08:44:50 rox2 /usr/bin/sip-proxy[19674]: DEBUG: tm [t_lookup.c:1116]: 
t_check_msg(): T (0x7fd7b443ead0) already found for msg (0x7fd7cd1278a0)!
Aug 28 08:44:50 rox2 /usr/bin/sip-proxy[19674]: DEBUG: tm [tm.c:951]: 
t_check_status(): checked status is <480>
Aug 28 08:44:50 rox2 /usr/bin/sip-proxy[19674]: DEBUG: tm [t_lookup.c:1041]: 
t_check_msg(): msg (0x7fd7cd1278a0) id=7999/19674 global id=7999/19674 T 
start=0x7fd7b443ead0
Aug 28 08:44:50 rox2 /usr/bin/sip-proxy[19674]: DEBUG: tm [t_lookup.c:1116]: 
t_check_msg(): T (0x7fd7b443ead0) already found for msg (0x7fd7cd1278a0)!
Aug 28 08:44:50 rox2 /usr/bin/sip-proxy[19674]: DEBUG: tm [tm.c:951]: 
t_check_status(): checked status is <480>

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