[asterisk-users] Deadlock while using MGCP on Asterisk

[Miguel Molina]

Adrien Lemoine escribió:
>
> Hello all,
>
>  
>
> I'm running Asterisk 1.2.35 with chan_mgcp activated.
>
>  
>
> The process host around 2,4K users.
>
>  
>
> Along the day I've got some debug reports like :
>
>  
>
> Feb 24 22:25:42 DEBUG[28546] channel.c: Avoiding deadlock for 
> 'MGCP/aaln/1 at 028421223635-1'
>
> Feb 24 22:29:04 DEBUG[28670] channel.c: Avoiding initial deadlock for 
> 'MGCP/aaln/1 at 028421223635-1'
>
>  
>
> Then, at random time (around 10~16 hours after a restart), Asterisk 
> comes into deadlocks :
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>  
>
> Feb 25 16:28:22 WARNING[8149] channel.c: Avoided deadlock for 
> '0xb713cb60', 9 retries!
>
> Feb 25 16:29:07 WARNING[8180] channel.c: Avoided initial deadlock for 
> '0xb713cb60', 9 retries!
>
> Feb 25 16:40:21 WARNING[8629] channel.c: Avoided initial deadlock for 
> '0xb713cb60', 9 retries!
>
>  
>
> Avoided seems to correlate that Asterisk is in deadlock status. I put 
> in attached a gdb output during the deadlock if it can helps.
>
>  
>
> How can I correct these errors and avoid the crash not the deadlock J
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>  
>
> Regards,
>
>  
>
> Adrien .L
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>  
>
That kind of "Avoided deadlock..." messages, typical for early 1.2 
systems have gone on recent versions on 1.4.X and higher. Did you 
consider upgrading?

Regards,

-- 
Ing. Miguel Molina
Grupo de Tecnología
Millenium Phone Center

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