HI Matt,

I am trying to replicate this particular problem.  We are seeing more 
frequently where the Event: AsyncAGIExec is never being sent.  
The two scenarios I have seen in tests yesterday and today...

We sendl an AMI action.  For example, play a short file or hangup.
AMI Events will indicate it did the work, but we never receive the Event: 
AsyncAGIExec with a result at all.
Asterisk debug log (logging set to 999) is never showing the Event: 
AsyncAGIExec being sent.
It seems to do everything right up to that.

Directly from Asterisk logging...
Here is a play example from this morning...

[03/22 08:13:32.219] DEBUG[1228] manager.c: Examining AMI event:
Event: Newexten
Privilege: call,all
Channel: SIP/192.168.40.105-000000c5
ChannelState: 6
ChannelStateDesc: Up
CallerIDNum: 1234
CallerIDName: <unknown>
ConnectedLineNum: <unknown>
ConnectedLineName: <unknown>
Language: en
AccountCode: 11
Context: ABC
Exten: 3002
Priority: 8
Uniqueid: 1521724388.197
Linkedid: 1521724388.197
Extension: 3002
Application: AGI
AppData: agi:async

[03/22 08:13:32.220] DEBUG[1228] manager.c: Examining AMI event:
Event: AsyncAGIStart
Privilege: agi,all
Channel: SIP/192.168.40.105-000000c5
ChannelState: 6
ChannelStateDesc: Up
CallerIDNum: 1234
CallerIDName: <unknown>
ConnectedLineNum: <unknown>
ConnectedLineName: <unknown>
Language: en
AccountCode: 11
Context: ABC
Exten: 3002
Priority: 8
Uniqueid: 1521724388.197
Linkedid: 1521724388.197
Env: 
agi_request%3A%20async%0Aagi_channel%3A%20SIP%2F192.168.40.105-000000c5%0Aagi_language%3A%20en%0Aagi_type%3A%20SIP%0Aagi_uniqueid%3A%201521724388.197%0Aagi_version%3A%2013.18.5%0Aagi_callerid%3A%201234%0Aagi_calleridname%3A%20unknown%0Aagi_callingpres%3A%200%0Aagi_callingani2%3A%200%0Aagi_callington%3A%200%0Aagi_callingtns%3A%200%0Aagi_dnid%3A%203002%0Aagi_rdnis%3A%20unknown%0Aagi_context%3A%20IS%0Aagi_extension%3A%203002%0Aagi_priority%3A%208%0Aagi_enhanced%3A%200.0%0Aagi_accountcode%3A%2011%0Aagi_threadid%3A%20140085827688192%0A%0A

[03/22 08:13:32.320] DEBUG[1228] manager.c: Examining AMI event:
Event: AGIExecStart
Privilege: agi,all
Channel: SIP/192.168.40.105-000000c5
ChannelState: 6
ChannelStateDesc: Up
CallerIDNum: 1234
CallerIDName: <unknown>
ConnectedLineNum: <unknown>
ConnectedLineName: <unknown>
Language: en
AccountCode: 11
Context: ABC
Exten: 3002
Priority: 8
Uniqueid: 1521724388.197
Linkedid: 1521724388.197
CommandId: 401382226
Command: EXEC Playback iss/eng/THANK-U&iss/eng/BYE

[03/22 08:13:33.643] DEBUG[1228] manager.c: Examining AMI event:
Event: VarSet
Privilege: dialplan,all
Channel: SIP/192.168.40.105-000000c5
ChannelState: 6
ChannelStateDesc: Up
CallerIDNum: 1234
CallerIDName: <unknown>
ConnectedLineNum: <unknown>
ConnectedLineName: <unknown>
Language: en
AccountCode: 11
Context: ABC
Exten: 3002
Priority: 8
Uniqueid: 1521724388.197
Linkedid: 1521724388.197
Variable: PLAYBACKSTATUS
Value: SUCCESS

[03/22 08:13:33.643] DEBUG[1228] manager.c: Examining AMI event:
Event: AGIExecEnd
Privilege: agi,all
Channel: SIP/192.168.40.105-000000c5
ChannelState: 6
ChannelStateDesc: Up
CallerIDNum: 1234
CallerIDName: <unknown>
ConnectedLineNum: <unknown>
ConnectedLineName: <unknown>
Language: en
AccountCode: 11
Context: ABC
Exten: 3002
Priority: 8
Uniqueid: 1521724388.197
Linkedid: 1521724388.197
CommandId: 401382226
Command: EXEC Playback iss/eng/THANK-U&iss/eng/BYE
Result: Success
ResultCode: 200

After this, there are no more AMI events for this channel.
On other channels, we receive the Event: AsyncAGIExec with the Result.

It's as if there is some condition where the AMI Result is getting corrupted.  
In most cases, it's working.  However, we are seeing intermittent cases where 
this occurs.

Any suggestions for what I should try?

Dan


-----Original Message-----
From: asterisk-users-boun...@lists.digium.com 
[mailto:asterisk-users-boun...@lists.digium.com] On Behalf Of Matt Fredrickson
Sent: Wednesday, March 21, 2018 4:16 PM
To: Asterisk Users Mailing List - Non-Commercial Discussion
Subject: Re: [asterisk-users] AMI potential memory leak

On Wed, Mar 21, 2018 at 4:03 PM, Dan Cropp <d...@amtelco.com> wrote:
> We are communicating with Asterisk via AMI.  Running Asterisk version
> 13.18.5 on an Ubuntu box.
>
>
>
> If you look at the event response, the Result field is filled with 
> random characters.  I’m not sure what to do because that is a 
> completely random result.  It makes no sense.
>
>
>
>
>
> We send the following command to asterisk via AMI
>
> Action: AGI
>
> ActionID: C44415
>
> Channel: SIP/192.168.40.105-00001338
>
> CommandID: C44415
>
> Command: asyncagi break
>
>
>
> Asterisk processes it and the Asterisk log shows it sends the 
> following for the AsyncAGIEXEC event…
>
> This is coming directly from the Asterisk log so it’s clearly Asterisk 
> filling the Result with what appears to be random characters.
>
>
>
> [03/21 15:44:27.793] DEBUG[1213] manager.c: Examining AMI event:
>
> Event: AsyncAGIExec
>
> Privilege: agi,all
>
> Channel: SIP/192.168.40.105-00001338
>
> ChannelState: 6
>
> ChannelStateDesc: Up
>
> CallerIDNum: 1234
>
> CallerIDName: <unknown>
>
> ConnectedLineNum: <unknown>
>
> ConnectedLineName: <unknown>
>
> Language: en
>
> AccountCode: 11
>
> Context: ABC
>
> Exten: 3002
>
> Priority: 8
>
> Uniqueid: 1521665055.4920
>
> Linkedid: 1521665055.4920
>
> Result:
> %F7%EF%F0%F4z%7C%EE%EF%F6%FCkWDDLO%5Cm%EF%7B__%60h%FE%E0%D4%D5%D9%DA%D
> D%E2%E8%E1%DC%DE%E0%F3%EC%EF%7C%ED%ED%EC%FAx~oov%F9%F2%F6%EB%ED%FA%FD%
> F9%FEvjXGFMKWg%FF%7Cdidew%E8%D9%D9%D8%D6%DA%DF%E3%E3%E2%E5%E9%EA%E1%E6
> %EF%E9%F8%F8%F6%FD%F8%7C~%7D%FC%F9%F7%ED%F4%F6%F9oh%60JFMKP%5Do%FFgtjc
> h%7B%E3%DF%DB%D6%D8%DB%E6%EC%E7%E6%E5%DF%DD%E0%EA%F6%ED%EC%F7%E8%E4%EB
> %F2%F8%F9%7Cu%FC%F8%FAwhXIIIHQ%5Dksw%7Fgfl%7F%EA%E2%DA%D8%DC%DE%DE%E2%
> E4%DF%E0%E3%E9%E4%E8%EC%E6%E3%E1%E4%E0%E3%EE%F4%FAxy%FCj%5BLIJFLU%5Bdm
> %FFljws%FD%ED%E2%DC%DD%DA%D9%DC%DE%DD%E1%E7%E9%E8%E6%EC%E5%E1%E5%E0%DF
> %E2%E9%ED%F1xyo%5EOKMHJSU%5Bfvml%7F%7B%7B%F0%EB%EA%E2%DD%DD%DB%DB%DC%D
> D%E1%E0%E1%E3%E3%DF%DF%DF%DE%E0%E5%E9%F6%7CmcTKMJIOTYboon%7Ctt%FA%F7%F
> 3%E9%DE%E1%DC%D9%DB%DE%E1%DE%E6%E7%DF%E1%DF%DD%DC%DE%E1%E1%EE%FAx%5DRM
> LHJOPWblo%7C%FA%7B~%F9%FC%F7%E9%E1%E1%DC%D9%DC%DC%DB%DF%E3%E0%DF%E0%DE
> %DC%DF%E1%E1%EE%F9r%5DQMKHKOQXdmt%F8%F6%FC%FB%FFy%F5%EA%E5%DF%DA%D9%DA
> %D8%DB%DE%DD%DE%DF%DF%DF%E3%EA%EB%ECrkbSPOLLOST_jk%F9%F3%FB%F9%FF%FE%F
> 9%EF%E9%E2%DF%DA%DA%DA%D9%D9%DB%DC%DC%DF%E3%E4%EB%F4%FFmdYRPLKNOTZdl%7
> D%EE%F6%EE%EB%EF%EE%EA%E3%E7%DE%DB%DD%D8%D9%D9%D9%D9%DC%DF%E1%EE%FAxf_
> XROMMNQUYbgx%FE%FB%EC%EE%ED%E4%E4%E0%DD%DD%DB%DA%D9%DA%D9%D9%DD%DD%E2%
> EC%F9tg%5EZSPONORUZ%5Efmw%FC%F3%ED%E7%E2%E1%DC%DB%DB%D8%D9%D9%D8%DA%DB
> %DD%E2%E9%F6uh%60%5BVSQOOQSX%5B_jq%F9%ED%E8%E1%DF%DC%DA%DA%DA%DA%D9%DB
> %DC%DC%E3%E6%EE%FEtha%5EYWVTTUWY%5Eckx%FA%EC%E7%E2%DF%DD%DC%DD%DC%DC%D
> F%DE%E2%E6%E7%F1%F8%7Boid_%5C%5BZY%5BZ%5B%5E%60flu%FF%F4%EC%E8%E3%E1%E
> 1%DF%DF%E1%E0%E4%E7%E9%EE%F5%FByqmhfca%60%5E__%60bfhlqz%FE%F7%EF%EE%EB
> %E8%EA%E9%E9%EB%EA%ED%EF%F3%F7%FC%7Cysookkkiijiklmqry%7B%7F%FD%F9%F7%F
> 5%F4%F5%F5%F6%F7%F8%F8%FA%FD%FF%7Dxxtrsooonoposttw%7By%7C%7D~%7F%FE%FF
> %FE%FD%7F%FE%7F%FE%7F%FF%7F%FE%7F%7D~%7B%7Bzvwwvvwvuwvxwyxxyy%7B%7C%7C
> %7D%7D%7F%7F%7F%FD%7F%FF~%7D%7D%7B%7Bzywyvwvvvwxxy%7By~%7C%7D%7F%7D~~%
> 7C~%FF%7D%7C%FF~%7F%7F~~%7Dz%7C%7Czxywwxxwxxwy%7Bx%7Bz%7C%7D%7C%FF~%7F
> %7F~%FF~%7F%7D~%7C%7D%7D~%7D%7D%7C%7B%7B%7B%7Bxzyzyzzz%7Cz%7D~%7C%7C~%
> 7C~%7F~~%FF%7D%7F%7F%7D%7F~%7C%7C%7B%7By%7Byy%7Bzzzz%7B%7B%7B~%7D%7D~~
> %7F%7F%FE%7F%FF
>
> CommandId: C44415

That seems kind of yucky.  How reproducible is it?


--
Matthew Fredrickson
Digium, Inc. | Engineering Manager
445 Jan Davis Drive NW - Huntsville, AL 35806 - USA

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