[asterisk-dev] [Code Review] [patch] Use of MASTER_CHANNEL causes a race condition ending in a deadlock among channels

[Kirill Katsnelson]

On 110301 0812, Russell Bryant wrote:
> Yes, this is part of the deadlock we are seeing as well.  The thread you
> are pointing to is blocking waiting on a channel lock.
>
>> === --- --->  Locked Here: channel.c line 3636 (__ast_read)
>
> It says it's locked in a thread that called ast_read().  What is that
> thread blocking on, though?

The thread is a pbx_thread in WaitForSilence application. Why it would 
go into that while holding a channel lock, is beyond my understanding.

> By the way, which issue are you referring to?  #28643 isn't a valid
> mantis issue number.

Russel, I am sorry, I messed up the ticket number. It's #18823.

  -kkm