asterisk users - Aug 2008 - deadalocks in asterisk

hi,
 i am recieving deadlocks frequently and its calls are getting hanged .

Aug 11 13:13:53 WARNING[6367] channel.c: Avoided initial deadlock for
'0xb6692258', 10 retries!
Aug 11 13:13:54 WARNING[6367] channel.c: Avoided initial deadlock for
'0xb6692258', 10 retries!
Aug 11 13:13:54 WARNING[6367] channel.c: Avoided initial deadlock for
'0xb78e5be8', 10 retries!
Aug 11 13:13:54 WARNING[6367] channel.c: Avoided initial deadlock for
'0xb78e5be8', 10 retries!
Aug 11 13:13:54 WARNING[6367] channel.c: Avoided initial deadlock for
'0xb6692258', 10 retries!
Aug 11 13:13:54 WARNING[6367] channel.c: Avoided initial deadlock for
'0xb78e5be8', 10 retries!
Aug 11 13:13:56 WARNING[6367] channel.c: Avoided initial deadlock for
'0xb6692258', 10 retries!
Aug 11 13:13:56 WARNING[6367] channel.c: Avoided initial deadlock for
'0xb6692258', 10 retries!
Aug 11 13:13:56 WARNING[6367] channel.c: Avoided initial deadlock for
'0xb78e5be8', 10 retries!
Aug 11 13:13:56 WARNING[6367] channel.c: Avoided initial deadlock for
'0xb78e5be8', 10 retries!

please let me know wat may be the problem and how to resolve it
-- 
Thanks and Regards
D.J.Sateesh
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D.J.Sateesh <sateeshdj at gmail.com> writes:
> hi,
>  i am recieving deadlocks frequently and its calls are getting hanged .
>
> Aug 11 13:13:53 WARNING[6367] channel.c: Avoided initial deadlock for
> '0xb6692258', 10 retries!
We upgrade customers who hit that bug to 1.4... The locking is greatly
improved.

Which reminds me, is there an easy way to see what Asterisk uses
memory for?


/Benny