[Freeswitch-users] B-Leg / A-Leg Race Condition

Mike Burlingame mike.burlingame at me.com
Thu Sep 6 23:50:34 MSD 2012 

After about 20K test calls this seems to have addressed the issue - I will keep running my test's for today and put this box in a production environment tomorrow to validate it still holds up with load. I will report back after that is completed.

Thanks

On Sep 5, 2012, at 12:28 PM, Mike Burlingame <mike.burlingame at me.com> wrote:

> Looks much much better Thank you -- Now to conduct more testing 
> 
> 0.000000 A-Leg -> FreeSwitch SIP/SDP Request: INVITE sip:+13605551212 at A-Leg:5060, with session description
>  0.000639 FreeSwitch -> A-Leg SIP Status: 100 Trying
>  0.051096 FreeSwitch -> B-Leg SIP/SDP Request: INVITE sip:13605551212 at B-Leg, with session description
>  0.051351 B-Leg -> FreeSwitch SIP Status: 100 Giving a try
>  0.286387 B-Leg -> FreeSwitch SIP Status: 180 Ringing
>  0.288216 FreeSwitch -> A-Leg SIP Status: 180 Ringing
>  0.475452 B-Leg -> FreeSwitch SIP Status: 180 Ringing
>  5.311144 B-Leg -> FreeSwitch SIP/SDP Status: 200 OK, with session description
>  5.313775 FreeSwitch -> A-Leg SIP/SDP Status: 200 OK, with session description
>  5.385087 A-Leg -> FreeSwitch SIP Request: ACK sip:+13605551212 at FreeSwitch:5070;transport=udp
>  5.385796 FreeSwitch -> B-Leg SIP Request: ACK sip:13605551212 at B-Leg
> 12.027026 A-Leg -> FreeSwitch SIP Request: BYE sip:+13605551212 at FreeSwitch:5070;transport=udp
> 12.029232 FreeSwitch -> A-Leg SIP Status: 200 OK
> 12.030707 FreeSwitch -> B-Leg SIP Request: BYE sip:13605551212 at B-Leg
> 12.033888 B-Leg -> FreeSwitch SIP Status: 200 OK
> 
> 
> 
> On Sep 5, 2012, at 12:01 PM, Anthony Minessale <anthony.minessale at gmail.com> wrote:
> 
>> ok,
>> 
>> update one more time, if it still does not work just go right to jira
>> with the latest (not before today's changes)
>> 
>> 
>> On Wed, Sep 5, 2012 at 1:37 PM, Mike Burlingame <mike.burlingame at me.com> wrote:
>>> The change seems to have broken the ability for the call to connect - would you like me to open a jira up with the current log files or before the change was made today?
>>> 
>>> commit d45db898339e1b2212f5befff1af714abcec034f
>>> Author: Anthony Minessale <anthm at freeswitch.org>
>>> Date:   Wed Sep 5 13:11:32 2012 -0500
>>> 
>>> 0.000000 A-LEG -> FreeSwitch SIP/SDP Request: INVITE sip:+13605551212 at A-LEG:5060, with session description
>>> 0.002715 FreeSwitch -> A-LEG SIP Status: 100 Trying
>>> 0.062694 FreeSwitch -> B-Leg SIP/SDP Request: INVITE sip:13605551212 at B-Leg, with session description
>>> 0.062976 B-Leg -> FreeSwitch SIP Status: 100 Giving a try
>>> 0.238255 B-Leg -> FreeSwitch SIP Status: 180 Ringing
>>> 0.239830 FreeSwitch -> A-LEG SIP Status: 180 Ringing
>>> 0.456828 B-Leg -> FreeSwitch SIP Status: 180 Ringing
>>> 4.642993 B-Leg -> FreeSwitch SIP/SDP Status: 200 OK, with session description
>>> 5.637738 B-Leg -> FreeSwitch SIP/SDP Status: 200 OK, with session description
>>> 5.638091 B-Leg -> FreeSwitch SIP/SDP Status: 200 OK, with session description
>>> 6.037804 B-Leg -> FreeSwitch SIP/SDP Status: 200 OK, with session description
>>> 6.839818 B-Leg -> FreeSwitch SIP/SDP Status: 200 OK, with session description
>>> 8.438750 B-Leg -> FreeSwitch SIP/SDP Status: 200 OK, with session description
>>> 11.638797 B-Leg -> FreeSwitch SIP/SDP Status: 200 OK, with session description
>>> 24.925970 FreeSwitch -> A-LEG SIP Status: 480 Temporarily Unavailable
>>> 24.926257 A-LEG -> FreeSwitch SIP Request: ACK sip:+13605551212 at A-LEG:5060
>>> 24.926321 FreeSwitch -> B-Leg SIP Request: ACK sip:13605551212 at B-Leg
>>> 24.926580 FreeSwitch -> B-Leg SIP Request: BYE sip:13605551212 at B-Leg
>>> 24.927029 B-Leg -> FreeSwitch SIP Status: 481 Call leg/transaction does not exist
>>> 27.078016 A-LEG -> FreeSwitch SIP/SDP Request: INVITE sip:+13605551212 at A-LEG:5060, with session description
>>> 27.078467 FreeSwitch -> A-LEG SIP Status: 100 Trying
>>> 27.123233 FreeSwitch -> B-Leg SIP/SDP Request: INVITE sip:13605551212 at B-Leg, with session description
>>> 27.123445 B-Leg -> FreeSwitch SIP Status: 100 Giving a try
>>> 27.315802 B-Leg -> FreeSwitch SIP Status: 180 Ringing
>>> 27.317391 FreeSwitch -> A-LEG SIP Status: 180 Ringing
>>> 27.529142 B-Leg -> FreeSwitch SIP Status: 180 Ringing
>>> 31.520118 B-Leg -> FreeSwitch SIP/SDP Status: 200 OK, with session description
>>> 31.769831 B-Leg -> FreeSwitch SIP/SDP Status: 200 OK, with session description
>>> 31.920832 B-Leg -> FreeSwitch SIP/SDP Status: 200 OK, with session description
>>> 32.319816 B-Leg -> FreeSwitch SIP/SDP Status: 200 OK, with session description
>>> 33.120808 B-Leg -> FreeSwitch SIP/SDP Status: 200 OK, with session description
>>> 34.720813 B-Leg -> FreeSwitch SIP/SDP Status: 200 OK, with session description
>>> 37.920852 B-Leg -> FreeSwitch SIP/SDP Status: 200 OK, with session description
>>> 49.362647 A-LEG -> FreeSwitch SIP Request: CANCEL sip:+13605551212 at A-LEG:5060
>>> 49.362952 FreeSwitch -> A-LEG SIP Status: 200 OK
>>> 49.363196 FreeSwitch -> A-LEG SIP Status: 487 Request Terminated
>>> 49.363307 A-LEG -> FreeSwitch SIP Request: ACK sip:+13605551212 at A-LEG:5060
>>> 49.365975 FreeSwitch -> B-Leg SIP Request: ACK sip:13605551212 at B-Leg
>>> 49.366171 FreeSwitch -> B-Leg SIP Request: BYE sip:13605551212 at B-Leg
>>> 49.366522 B-Leg -> FreeSwitch SIP Status: 481 Call leg/transaction does not exist
>>> 
>>> 
>>> On Sep 5, 2012, at 11:10 AM, Anthony Minessale <anthony.minessale at gmail.com> wrote:
>>> 
>>>> update and try again, if it still doesn't work open a jira
>>>> 
>>>> 
>>>> On Wed, Sep 5, 2012 at 12:18 PM, Mike Burlingame <mike.burlingame at me.com> wrote:
>>>>> as promised here is the update testing and enabling
>>>>> {sip_wait_for_aleg_ack=true} causes a log delay before the audio starts to
>>>>> flow to the B-Leg endpoint with multi 200 OK's being sent to FS from the
>>>>> B-Leg as well as an abnormally long delay in getting an ACK from the A-Leg
>>>>> 
>>>>> I can open a JIRA case on this and provide the console log file / PCAP's ect
>>>>> if that would help
>>>>> 
>>>>> 
>>>>> Call Flow with out {sip_wait_for_aleg_ack=true}
>>>>> 0.000000 A-LEG -> FreeSwitch SIP/SDP Request: INVITE
>>>>> sip:+13605551212 at A-LEG:5060, with session description
>>>>> 0.000652 FreeSwitch -> A-LEG SIP Status: 100 Trying
>>>>> 0.042837 FreeSwitch -> B-Leg SIP/SDP Request: INVITE
>>>>> sip:13605551212 at B-Leg, with session description
>>>>> 0.043059 B-Leg -> FreeSwitch SIP Status: 100 Giving a try
>>>>> 0.290947 B-Leg -> FreeSwitch SIP Status: 180 Ringing
>>>>> 0.292890 FreeSwitch -> A-LEG SIP Status: 180 Ringing
>>>>> 0.490220 B-Leg -> FreeSwitch SIP Status: 180 Ringing
>>>>> 4.481038 B-Leg -> FreeSwitch SIP/SDP Status: 200 OK, with session
>>>>> description
>>>>> 4.482310 FreeSwitch -> B-Leg SIP Request: ACK sip:13605551212 at B-Leg
>>>>> 4.483474 FreeSwitch -> A-LEG SIP/SDP Status: 200 OK, with session
>>>>> description
>>>>> 4.533691 A-LEG -> FreeSwitch SIP Request: ACK
>>>>> sip:+13605551212 at FreeSwitch:5070;transport=udp
>>>>> 19.953061 A-LEG -> FreeSwitch SIP Request: BYE
>>>>> sip:+13605551212 at FreeSwitch:5070;transport=udp
>>>>> 19.954592 FreeSwitch -> A-LEG SIP Status: 200 OK
>>>>> 19.955454 FreeSwitch -> B-Leg SIP Request: BYE sip:13605551212 at B-Leg
>>>>> 19.956014 B-Leg -> FreeSwitch SIP Status: 200 OK
>>>>> 
>>>>> Call Flow with {sip_wait_for_aleg_ack=true} enabled
>>>>> 0.000000 A-LEG -> FreeSwitch SIP/SDP Request: INVITE
>>>>> sip:+13605551212 at A-LEG:5060, with session description
>>>>> 0.000651 FreeSwitch -> A-LEG SIP Status: 100 Trying
>>>>> 0.039455 FreeSwitch -> B-Leg SIP/SDP Request: INVITE
>>>>> sip:13605551212 at B-Leg, with session description
>>>>> 0.039709 B-Leg -> FreeSwitch SIP Status: 100 Giving a try
>>>>> 0.244269 B-Leg -> FreeSwitch SIP Status: 180 Ringing
>>>>> 0.245607 FreeSwitch -> A-LEG SIP Status: 180 Ringing
>>>>> 0.363325 B-Leg -> FreeSwitch SIP Status: 180 Ringing
>>>>> 4.718173 B-Leg -> FreeSwitch SIP/SDP Status: 200 OK, with session
>>>>> description
>>>>> 4.918915 B-Leg -> FreeSwitch SIP/SDP Status: 200 OK, with session
>>>>> description
>>>>> 5.117917 B-Leg -> FreeSwitch SIP/SDP Status: 200 OK, with session
>>>>> description
>>>>> 5.518902 B-Leg -> FreeSwitch SIP/SDP Status: 200 OK, with session
>>>>> description
>>>>> 6.318053 B-Leg -> FreeSwitch SIP/SDP Status: 200 OK, with session
>>>>> description
>>>>> 7.917921 B-Leg -> FreeSwitch SIP/SDP Status: 200 OK, with session
>>>>> description
>>>>> 11.118917 B-Leg -> FreeSwitch SIP/SDP Status: 200 OK, with session
>>>>> description
>>>>> 15.102917 FreeSwitch -> B-Leg SIP Request: ACK sip:13605551212 at B-Leg
>>>>> 15.104488 FreeSwitch -> A-LEG SIP/SDP Status: 200 OK, with session
>>>>> description
>>>>> 15.173265 A-LEG -> FreeSwitch SIP Request: ACK
>>>>> sip:+13605551212 at FreeSwitch:5070;transport=udp
>>>>> 29.566504 A-LEG -> FreeSwitch SIP Request: BYE
>>>>> sip:+13605551212 at FreeSwitch:5070;transport=udp
>>>>> 29.568902 FreeSwitch -> A-LEG SIP Status: 200 OK
>>>>> 29.570603 FreeSwitch -> B-Leg SIP Request: BYE sip:13605551212 at B-Leg
>>>>> 29.571240 B-Leg -> FreeSwitch SIP Status: 200 OK
>>>>> 
>>>>> On Aug 31, 2012, at 1:52 PM, Mike Burlingame <mike.burlingame at me.com> wrote:
>>>>> 
>>>>> No worries I will be out this weekend for the long weekend I will work on
>>>>> getting the test box upgraded and a test case setup on Tuesday I will report
>>>>> back the results mid to late next week and provided everything works as I
>>>>> hope it will I will be happy to pay the Wiki tax :)
>>>>> 
>>>>> 
>>>>> On Aug 31, 2012, at 1:42 PM, Michael Collins <msc at freeswitch.org> wrote:
>>>>> 
>>>>> 
>>>>> 
>>>>> On Fri, Aug 31, 2012 at 12:59 PM, Mike Burlingame <mike.burlingame at me.com>
>>>>> wrote:
>>>>>> 
>>>>>> Cool I will nail that up on my test box and see if that works
>>>>>> 
>>>>> Please report back on whether it works or not and then be prepared to pay
>>>>> the wiki tax. :) I'll be glad to assist with getting this documented
>>>>> although I think you're in the best position to give that documentation some
>>>>> real-world context.
>>>>> 
>>>>> -MC
>>>>> _________________________________________________________________________
>>>>> Professional FreeSWITCH Consulting Services:
>>>>> consulting at freeswitch.org
>>>>> http://www.freeswitchsolutions.com
>>>>> 
>>>>> 
>>>>> 
>>>>> 
>>>>> Official FreeSWITCH Sites
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>>>>> 
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>>>>> 
>>>>> 
>>>>> _________________________________________________________________________
>>>>> Professional FreeSWITCH Consulting Services:
>>>>> consulting at freeswitch.org
>>>>> http://www.freeswitchsolutions.com
>>>>> 
>>>>> 
>>>>> 
>>>>> 
>>>>> Official FreeSWITCH Sites
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>>>>> http://wiki.freeswitch.org
>>>>> http://www.cluecon.com
>>>>> 
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>>>>> 
>>>>> 
>>>>> _________________________________________________________________________
>>>>> Professional FreeSWITCH Consulting Services:
>>>>> consulting at freeswitch.org
>>>>> http://www.freeswitchsolutions.com
>>>>> 
>>>>> 
>>>>> 
>>>>> 
>>>>> Official FreeSWITCH Sites
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>>>>> 
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>>>>> 
>>>> 
>>>> 
>>>> 
>>>> --
>>>> Anthony Minessale II
>>>> 
>>>> FreeSWITCH http://www.freeswitch.org/
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>>>> Twitter: http://twitter.com/FreeSWITCH_wire
>>>> 
>>>> AIM: anthm
>>>> MSN:anthony_minessale at hotmail.com
>>>> GTALK/JABBER/PAYPAL:anthony.minessale at gmail.com
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>>>> 
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>>>> 
>>>> _________________________________________________________________________
>>>> Professional FreeSWITCH Consulting Services:
>>>> consulting at freeswitch.org
>>>> http://www.freeswitchsolutions.com
>>>> 
>>>> 
>>>> 
>>>> 
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>>> 
>>> 
>>> _________________________________________________________________________
>>> Professional FreeSWITCH Consulting Services:
>>> consulting at freeswitch.org
>>> http://www.freeswitchsolutions.com
>>> 
>>> 
>>> 
>>> 
>>> Official FreeSWITCH Sites
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>>> 
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>> 
>> 
>> 
>> -- 
>> Anthony Minessale II
>> 
>> FreeSWITCH http://www.freeswitch.org/
>> ClueCon http://www.cluecon.com/
>> Twitter: http://twitter.com/FreeSWITCH_wire
>> 
>> AIM: anthm
>> MSN:anthony_minessale at hotmail.com
>> GTALK/JABBER/PAYPAL:anthony.minessale at gmail.com
>> IRC: irc.freenode.net #freeswitch
>> 
>> FreeSWITCH Developer Conference
>> sip:888 at conference.freeswitch.org
>> googletalk:conf+888 at conference.freeswitch.org
>> pstn:+19193869900
>> 
>> _________________________________________________________________________
>> Professional FreeSWITCH Consulting Services:
>> consulting at freeswitch.org
>> http://www.freeswitchsolutions.com
>> 
>> 
>> 
>> 
>> Official FreeSWITCH Sites
>> http://www.freeswitch.org
>> http://wiki.freeswitch.org
>> http://www.cluecon.com
>> 
>> FreeSWITCH-users mailing list
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>> UNSUBSCRIBE:http://lists.freeswitch.org/mailman/options/freeswitch-users
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> 
> 
> _________________________________________________________________________
> Professional FreeSWITCH Consulting Services:
> consulting at freeswitch.org
> http://www.freeswitchsolutions.com
> 
> 
> 
> 
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> http://wiki.freeswitch.org
> http://www.cluecon.com
> 
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