[asterisk-users] 1.2 AGI Deadlock

[Alex Balashov]

A deadlock?  In 1.2?  Really?  :)

Peder wrote:

> I am running 1.2.34 (also tried on 1.2.32) and whenever I launch an AGI, I
> get the "avoided deadlock" message below.  
> 
> 
> *CLI>   == Spawn extension (CONTEXT3, 6080, 8) exited non-zero on
> 'SIP/3211-1-081c40a8'
>     -- Executing NoOp("SIP/3211-1-081c40a8", "") in new stack
>     -- Executing AGI("SIP/3211-1-081c40a8", "diallocal.agi") in new stack
>     -- Launched AGI Script /var/lib/asterisk/agi-bin/diallocal.agi
> Sep  8 10:29:43 WARNING[28938]: channel.c:780 channel_find_locked: Avoided
> initial deadlock for '0x818dcc0', 9 retries!
>     -- AGI Script diallocal.agi completed, returning 0
> 
> 
> This is purely a test box and it has two phones on it and one AGI, so there
> is no issue with utilization.  Everything I read about deadlocks says this
> is a bad thing.  I know it says "avoided deadlock", but this happens every
> single time I use an AGI, even with nothing else happening on the box.  Is
> this really something I should be concerned about, or is it no big deal?  I
> am worried that if I put this into production with 200+ phones, it will
> cause Asterisk to die.
> 
> Peder
> 
> 
> _______________________________________________
> -- Bandwidth and Colocation Provided by http://www.api-digital.com --
> 
> AstriCon 2009 - October 13 - 15 Phoenix, Arizona
> Register Now: http://www.astricon.net
> 
> asterisk-users mailing list
> To UNSUBSCRIBE or update options visit:
>    http://lists.digium.com/mailman/listinfo/asterisk-users


-- 
Alex Balashov - Principal
Evariste Systems
Web     : http://www.evaristesys.com/
Tel     : (+1) (678) 954-0670
Direct  : (+1) (678) 954-0671