asterisk users - Jun 2006 - stuck call on asterisk

Hi,

      I have an asterisk machine for which the calls reach it via IAX2.

      It appears to have a stuck call on it -- there are no channels open, but
one call is active:

linux77*CLI> show channels
Channel              Location             State   Application(Data)             
0 active channels
1 active call
linux77*CLI>

      In addition, the /var/log/asterisk/fulllog is showing this continually:

Jun  2 10:20:34 NOTICE[4157] chan_iax2.c: Avoiding IAX destroy deadlock
Jun  2 10:20:34 NOTICE[4158] chan_iax2.c: Avoiding IAX destroy deadlock
Jun  2 10:20:34 NOTICE[4157] chan_iax2.c: Avoiding IAX destroy deadlock
Jun  2 10:20:34 NOTICE[4158] chan_iax2.c: Avoiding IAX destroy deadlock
Jun  2 10:20:34 NOTICE[4157] chan_iax2.c: Avoiding IAX destroy deadlock
Jun  2 10:20:34 NOTICE[4158] chan_iax2.c: Avoiding IAX destroy deadlock

      Calls to the specific DID that got "stuck" are never answered by
this asterisk, although other calls coming in over the IAX2 get handled
normally.

      I suspect the situation may have started when a call ran through a special
contect that runs a shell script with System( ) and that script got stuck, but I
am not sure.

      How can I kill the call to clear that DID ?  I tried doing "soft
hangup" but that needs a channel, and there are no channels open just a
call.

      Thanks in advance for any suggestions -- I have asked on IRC and done
google searches and have not found anything, so any suggestions at all are
welcome.  I know I can probably fix the problem by restarting asterisk, but I
want to know the "right" way to do this in case it happens again.

--Rob

I had the same problem with my IAX terminaton provider, when tried to 
use codecs other than ulaw (gsm and some others).

Changing back to ulaw fixed the problem. Hope this would help.

Andrei (MPI)

rristroph@airlink.net wrote:
> Hi,
>
>       I have an asterisk machine for which the calls reach it via IAX2.
>
>       It appears to have a stuck call on it -- there are no channels open,
but one call is active:
>
> linux77*CLI> show channels
> Channel              Location             State   Application(Data)
> 0 active channels
> 1 active call
> linux77*CLI>
>
>       In addition, the /var/log/asterisk/fulllog is showing this
continually:
>
> Jun  2 10:20:34 NOTICE[4157] chan_iax2.c: Avoiding IAX destroy deadlock
> Jun  2 10:20:34 NOTICE[4158] chan_iax2.c: Avoiding IAX destroy deadlock
> Jun  2 10:20:34 NOTICE[4157] chan_iax2.c: Avoiding IAX destroy deadlock
> Jun  2 10:20:34 NOTICE[4158] chan_iax2.c: Avoiding IAX destroy deadlock
> Jun  2 10:20:34 NOTICE[4157] chan_iax2.c: Avoiding IAX destroy deadlock
> Jun  2 10:20:34 NOTICE[4158] chan_iax2.c: Avoiding IAX destroy deadlock
>
>       Calls to the specific DID that got "stuck" are never
answered by this asterisk, although other calls coming in over the IAX2 get
handled normally.
>
>       I suspect the situation may have started when a call ran through a
special contect that runs a shell script with System( ) and that script got
stuck, but I am not sure.
>
>       How can I kill the call to clear that DID ?  I tried doing "soft
hangup" but that needs a channel, and there are no channels open just a
call.
>
>       Thanks in advance for any suggestions -- I have asked on IRC and done
google searches and have not found anything, so any suggestions at all are
welcome.  I know I can probably fix the problem by restarting asterisk, but I
want to know the "right" way to do this in case it happens again.
>
> --Rob
>       
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