[Freeswitch-users] too many stacked extensions
Brian West
brian at freeswitch.com
Mon Mar 11 17:26:32 UTC 2019
What are you passing in originateCommand?
/b
On Mon, Mar 11, 2019 at 8:00 AM Grant Bagdasarian <gb at cm.nl> wrote:
> Hello,
>
>
>
> We’ve recently upgraded some of our servers to 1.8.5 and are now
> occasionally experiencing the error “too many stacked extensions” for some
> calls.
>
> According to Jira this has been patched since 1.8.1, but perhaps this is
> due to some other scenario being triggered.
>
>
>
> We’re using ESL (bgapi command) to spawn a python script which in turn
> does an originate.
>
>
>
> See below a snippet of the cli output.
>
> As far as I can tell, this doesn’t have any real consequences resource
> consumption wise (CPU and memory), only the disk will get hammered in the
> case when logging to syslog.
>
> Also, I haven’t been able to reproduce this myself, but I’m still in the
> process of doing more testing.
>
> It seems to be happening before the call is connected to the destination.
>
>
>
> Any ideas how to properly debug this and find out what’s triggering this?
>
> I’ve tried the following:
>
> - Monitoring all ESL events
> - fsctl debug_level 10
> - sofia loglevel all 9
>
>
>
> They all output a lot of debugging information, which does get
> overwhelming.
>
>
>
> In a nutshell, this is the flow:
>
> ESL:
>
> bgapi pyrun app originateCommand
>
>
>
> Python:
>
> session = freeswitch.Session(originateCommand)
>
> session.execute("wait_for_answer")
>
> session.streamFile(file)
>
>
>
> 2019-03-11 12:58:08.133457 [ALERT] switch_core_session.c:1047 Send signal
> sofia/local_eth0/XXXXXXXXXX at X.X.X.X:5060 [BREAK]
>
> 2019-03-11 12:58:08.133457 [ERR] switch_ivr.c:904 Error
> sofia/local_eth0/XXXXXXXXXX at X.X.X.X:5060 too many stacked extensions
>
> 2019-03-11 12:58:08.133457 [ALERT] switch_core_state_machine.c:705
> sofia/local_eth0/XXXXXXXXXX at X.X.X.X:5060 session thread wake state:
> CS_SOFT_EXECUTE!
>
> 2019-03-11 12:58:08.133457 [ERR] switch_ivr.c:904 Error
> sofia/local_eth0/XXXXXXXXXX at X.X.X.X:5060 too many stacked extensions
>
> 2019-03-11 12:58:08.133457 [ERR] switch_ivr.c:904 Error
> sofia/local_eth0/XXXXXXXXXX at X.X.X.X:5060 too many stacked extensions
>
> 2019-03-11 12:58:08.133457 [ALERT] switch_core_state_machine.c:701
> sofia/local_eth0/XXXXXXXXXX at X.X.X.X:5060 session thread sleep state:
> CS_SOFT_EXECUTE!
>
> 2019-03-11 12:58:08.153454 [ERR] switch_ivr.c:904 Error
> sofia/local_eth0/XXXXXXXXXX at X.X.X.X:5060 too many stacked extensions
>
> 2019-03-11 12:58:08.173495 [ERR] switch_ivr.c:904 Error
> sofia/local_eth0/XXXXXXXXXX at X.X.X.X:5060 too many stacked extensions
>
> 2019-03-11 12:58:08.193453 [ERR] switch_ivr.c:904 Error
> sofia/local_eth0/XXXXXXXXXX at X.X.X.X:5060 too many stacked extensions
>
> 2019-03-11 12:58:08.213458 [ERR] switch_ivr.c:904 Error
> sofia/local_eth0/XXXXXXXXXX at X.X.X.X:5060 too many stacked extensions
>
> 2019-03-11 12:58:08.233455 [ERR] switch_ivr.c:904 Error
> sofia/local_eth0/XXXXXXXXXX at X.X.X.X:5060 too many stacked extensions
>
> 2019-03-11 12:58:08.253489 [ALERT] switch_core_session.c:1047 Send signal
> sofia/local_eth0/XXXXXXXXXX at X.X.X.X:5060 [BREAK]
>
> 2019-03-11 12:58:08.253489 [ERR] switch_ivr.c:904 Error
> sofia/local_eth0/XXXXXXXXXX at X.X.X.X:5060 too many stacked extensions
>
> 2019-03-11 12:58:08.253489 [ALERT] switch_core_state_machine.c:705
> sofia/local_eth0/XXXXXXXXXX at X.X.X.X:5060 session thread wake state:
> CS_SOFT_EXECUTE!
>
> 2019-03-11 12:58:08.253489 [ERR] switch_ivr.c:904 Error
> sofia/local_eth0/XXXXXXXXXX at X.X.X.X:5060 too many stacked extensions
>
> 2019-03-11 12:58:08.253489 [ERR] switch_ivr.c:904 Error
> sofia/local_eth0/XXXXXXXXXX at X.X.X.X:5060 too many stacked extensions
>
> 2019-03-11 12:58:08.253489 [ALERT] switch_core_state_machine.c:701
> sofia/local_eth0/XXXXXXXXXX at X.X.X.X:5060 session thread sleep state:
> CS_SOFT_EXECUTE!
>
> 2019-03-11 12:58:08.273448 [ERR] switch_ivr.c:904 Error
> sofia/local_eth0/XXXXXXXXXX at X.X.X.X:5060 too many stacked extensions
>
> 2019-03-11 12:58:08.293454 [ERR] switch_ivr.c:904 Error
> sofia/local_eth0/XXXXXXXXXX at X.X.X.X:5060 too many stacked extensions
>
> 2019-03-11 12:58:08.313459 [ERR] switch_ivr.c:904 Error
> sofia/local_eth0/XXXXXXXXXX at X.X.X.X:5060 too many stacked extensions
>
> 2019-03-11 12:58:08.333443 [ERR] switch_ivr.c:904 Error
> sofia/local_eth0/XXXXXXXXXX at X.X.X.X:5060 too many stacked extensions
>
> 2019-03-11 12:58:08.353456 [ERR] switch_ivr.c:904 Error
> sofia/local_eth0/XXXXXXXXXX at X.X.X.X:5060 too many stacked extensions
>
> 2019-03-11 12:58:08.373450 [ALERT] switch_core_session.c:1047 Send signal
> sofia/local_eth0/XXXXXXXXXX at X.X.X.X:5060 [BREAK]
>
> 2019-03-11 12:58:08.373450 [ERR] switch_ivr.c:904 Error
> sofia/local_eth0/XXXXXXXXXX at X.X.X.X:5060 too many stacked extensions
>
> 2019-03-11 12:58:08.373450 [ALERT] switch_core_state_machine.c:705
> sofia/local_eth0/XXXXXXXXXX at X.X.X.X:5060 session thread wake state:
> CS_SOFT_EXECUTE!
>
> 2019-03-11 12:58:08.373450 [ERR] switch_ivr.c:904 Error
> sofia/local_eth0/XXXXXXXXXX at X.X.X.X:5060 too many stacked extensions
>
> 2019-03-11 12:58:08.373450 [ERR] switch_ivr.c:904 Error
> sofia/local_eth0/XXXXXXXXXX at X.X.X.X:5060 too many stacked extensions
>
> 2019-03-11 12:58:08.373450 [ALERT] switch_core_state_machine.c:701
> sofia/local_eth0/XXXXXXXXXX at X.X.X.X:5060 session thread sleep state:
> CS_SOFT_EXECUTE!
>
> 2019-03-11 12:58:08.393440 [ERR] switch_ivr.c:904 Error
> sofia/local_eth0/XXXXXXXXXX at X.X.X.X:5060 too many stacked extensions
>
> 2019-03-11 12:58:08.413450 [ERR] switch_ivr.c:904 Error
> sofia/local_eth0/XXXXXXXXXX at X.X.X.X:5060 too many stacked extensions
>
> 2019-03-11 12:58:08.433452 [ERR] switch_ivr.c:904 Error
> sofia/local_eth0/XXXXXXXXXX at X.X.X.X:5060 too many stacked extensions
>
> 2019-03-11 12:58:08.453461 [ERR] switch_ivr.c:904 Error sofia/local_eth0/
> 00393421615027 at 10.14.26.10:5060 too many stacked extensions
>
> 2019-03-11 12:58:08.473474 [ALERT] switch_core_session.c:1047 Send signal
> sofia/local_eth0/XXXXXXXXXX at X.X.X.X:5060 [BREAK]
>
> 2019-03-11 12:58:08.473474 [ERR] switch_ivr.c:904 Error
> sofia/local_eth0/XXXXXXXXXX at X.X.X.X:5060 too many stacked extensions
>
> 2019-03-11 12:58:08.473474 [ALERT] switch_core_state_machine.c:705
> sofia/local_eth0/XXXXXXXXXX at X.X.X.X:5060 session thread wake state:
> CS_SOFT_EXECUTE!
>
> 2019-03-11 12:58:08.473474 [ERR] switch_ivr.c:904 Error
> sofia/local_eth0/XXXXXXXXXX at X.X.X.X:5060 too many stacked extensions
>
> 2019-03-11 12:58:08.473474 [ERR] switch_ivr.c:904 Error
> sofia/local_eth0/XXXXXXXXXX at X.X.X.X:5060 too many stacked extensions
>
> 2019-03-11 12:58:08.473474 [ALERT] switch_core_state_machine.c:701
> sofia/local_eth0/XXXXXXXXXX at X.X.X.X:5060 session thread sleep state:
> CS_SOFT_EXECUTE!
>
> 2019-03-11 12:58:08.493452 [ERR] switch_ivr.c:904 Error
> sofia/local_eth0/XXXXXXXXXX at X.X.X.X:5060 too many stacked extensions
>
> 2019-03-11 12:58:08.513447 [ALERT] switch_rtp.c:7695
> sofia/local_eth0/XXXXXXXXXX at X.X.X.X:5060 audio timeout
>
> 2019-03-11 12:58:08.513447 [ALERT] switch_rtp.c:1584
> sofia/local_eth0/XXXXXXXXXX at X.X.X.X:5060 audio stat 99.00 301/302 flaws:
> 1 mos: 4.49 v: 0.11 0.11/1.78
>
> 2019-03-11 12:58:08.513447 [ERR] switch_ivr.c:904 Error
> sofia/local_eth0/XXXXXXXXXX at X.X.X.X:5060 too many stacked extensions
>
> 2019-03-11 12:58:08.533439 [ALERT] switch_rtp.c:7695
> sofia/local_eth0/XXXXXXXXXX at X.X.X.X:5060 audio timeout
>
> 2019-03-11 12:58:08.533439 [ALERT] switch_rtp.c:1565
> sofia/local_eth0/XXXXXXXXXX at X.X.X.X:5060 audio 2 consecutive flaws,
> adding 2 flaw penalty
>
> 2019-03-11 12:58:08.533439 [ALERT] switch_rtp.c:1584
> sofia/local_eth0/XXXXXXXXXX at X.X.X.X:5060 audio stat 98.00 298/302 flaws:
> 4 mos: 4.48 v: 0.11 0.11/1.78
>
> 2019-03-11 12:58:08.533439 [ERR] switch_ivr.c:904 Error
> sofia/local_eth0/XXXXXXXXXX at X.X.X.X:5060 too many stacked extensions
>
> 2019-03-11 12:58:08.553450 [ALERT] switch_rtp.c:7695
> sofia/local_eth0/XXXXXXXXXX at X.X.X.X:5060 audio timeout
>
> 2019-03-11 12:58:08.553450 [ALERT] switch_rtp.c:1565
> sofia/local_eth0/XXXXXXXXXX at X.X.X.X:5060 audio 3 consecutive flaws,
> adding 2 flaw penalty
>
> 2019-03-11 12:58:08.553450 [ALERT] switch_rtp.c:1584
> sofia/local_eth0/XXXXXXXXXX at X.X.X.X:5060 audio stat 97.00 295/302 flaws:
> 7 mos: 4.47 v: 0.11 0.11/1.78
>
> 2019-03-11 12:58:08.553450 [ERR] switch_ivr.c:904 Error
> sofia/local_eth0/XXXXXXXXXX at X.X.X.X:5060 too many stacked extensions
>
> 2019-03-11 12:58:08.573441 [ALERT] switch_rtp.c:7695
> sofia/local_eth0/XXXXXXXXXX at X.X.X.X:5060 audio timeout
>
> 2019-03-11 12:58:08.573441 [ALERT] switch_rtp.c:1565
> sofia/local_eth0/XXXXXXXXXX at X.X.X.X:5060 audio 4 consecutive flaws,
> adding 2 flaw penalty
>
> 2019-03-11 12:58:08.573441 [ALERT] switch_rtp.c:1584
> sofia/local_eth0/XXXXXXXXXX at X.X.X.X:5060 audio stat 96.00 292/302 flaws:
> 10 mos: 4.46 v: 0.11 0.11/1.78
>
> 2019-03-11 12:58:08.573441 [ERR] switch_ivr.c:904 Error
> sofia/local_eth0/XXXXXXXXXX at X.X.X.X:5060 too many stacked extensions
>
> 2019-03-11 12:58:08.593450 [ALERT] switch_rtp.c:7695
> sofia/local_eth0/XXXXXXXXXX at X.X.X.X:5060 audio timeout
>
> 2019-03-11 12:58:08.593450 [ALERT] switch_rtp.c:1565
> sofia/local_eth0/XXXXXXXXXX at X.X.X.X:5060 audio 5 consecutive flaws,
> adding 2 flaw penalty
>
> 2019-03-11 12:58:08.593450 [ALERT] switch_rtp.c:1584
> sofia/local_eth0/XXXXXXXXXX at X.X.X.X:5060 audio stat 95.00 289/302 flaws:
> 13 mos: 4.44 v: 0.11 0.11/1.78
>
>
>
> Regards,
>
>
>
> Grant
> _________________________________________________________________________
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>
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--
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