[asterisk-bugs] [JIRA] (ASTERISK-27027) Channel Stuck when load reach to 500+

[Bhavik (JIRA)]

Bhavik created ASTERISK-27027:
---------------------------------

             Summary: Channel Stuck when load reach to 500+
                 Key: ASTERISK-27027
                 URL: https://issues.asterisk.org/jira/browse/ASTERISK-27027
             Project: Asterisk
          Issue Type: Bug
      Security Level: None
          Components: Channels/chan_sip/General
    Affects Versions: 13.15.0, 13.13.1
         Environment: operating system : Centos 7 64 Bit
[root at localhost ~]# lscpu
Architecture:          x86_64
CPU op-mode(s):        32-bit, 64-bit
Byte Order:            Little Endian
CPU(s):                1
On-line CPU(s) list:   0
Thread(s) per core:    1
Core(s) per socket:    1
Socket(s):             1
NUMA node(s):          1
Vendor ID:             GenuineIntel
CPU family:            6
Model:                 94
Model name:            Intel(R) Xeon(R) CPU E3-1230 v5 @ 3.40GHz
Stepping:              3
CPU MHz:               3407.463
BogoMIPS:              6816.00
Hypervisor vendor:     VMware
Virtualization type:   full
L1d cache:             32K
L1i cache:             32K
L2 cache:              256K
L3 cache:              8192K
NUMA node0 CPU(s):     0
RAM : 50GB
Hard Disk : 800GB
            Reporter: Bhavik


When we increase load 300 calls to 500 calls , call will stuck around 50%.
We have created a simple Dialplan like.
[IVR]
exten =>_X.,1,NoOp(IVR Start)
exten =>_X.,n,Answer()
exten =>_X.,n,Wait(1)
exten =>_X.,n,Agi(ivr.php,1)

I was added h extension but i tried with remove h extension as well.
In my ivr.php File just have getting  channel variables and playing an audio file.Thats it.

We have tested like send call via WINSIP dialer to load 500 call to specifc number and playing audio file vai AGI file.
after couple of minutes, we hangup all calls from WINSIP Dialer Side,around 50% call drop correctly but remaining calls are stuck and showing last message like : Rx: BYE
but channel showing still active.

Also every 20 sec around getting below warning as well.

[May 30 05:53:07] WARNING[24117]: chan_sip.c:4335 __sip_autodestruct: Autodestruct on dialog '70b2-09686995-0001-Call898' with owner SIP/XXXXXXX in place (Method: BYE). Rescheduling destruction for 10000 ms
[May 30 05:53:07] WARNING[24117]: chan_sip.c:4335 __sip_autodestruct: Autodestruct on dialog '143c-09566665-0001-Call418' with owner SIP/XXXXX in place (Method: BYE). Rescheduling destruction for 10000 ms


After call stuck, it






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