TC wrote:
I'm hoping someone might have seen this before because I'm just about at a loss of what to do. I have an asterisk system setup in a call center environment with multiple queues. After a random uptime asterisk will suddenly come to a partial halt where I can connect to the cli but issuing a command such as show channels gives no response, and calls cannot be made in or out. Calls in progress usually drop as well, but if they don't right away, after a minute or so they will. To remedy the problem I have to do a restart on asterisk, which of course makes all the agents have to login again and is just a big mess.
I have agents being dynamically added to the queues via an AGI script, also the agents are added to all queues so that they can take calls from any of them. I'm not sure if this is important but since I use the AgentCallbackLogin function I have all the agents inside their own context so that I can use a macro to determine if they are on an outgoing call (using app_checkgroup) before ringing them to prevent call waiting tones.
I've thoroughly searched the messages log, in which I have both verbose and debug logging enabled. I've never found anything to indicate a problem, it simply looks like calls just slow down and stop. One other thing that may be important, I have a daemon running which stays connected to the manager api listening for events and sending off two commands every 10 seconds, one to get the status of the queues, and one to get the status of agents.
say hello to app_noQ and chan_deadlock :) http://www.voip-info.org/tiki-index.php?page=Asterisk%20debugging
I might be wrong about chan_deadlock but i am pretty sure yiou have dead lock situation might be cause by manager blocking all else... try the dead lock debug to see if tou can id when threads are competing for the same locks
I'm with TC. I'm sure you have a deadlock. Same thing happened to me with IAX and fax detection. I turned off fax detection and my problems were solved.
TL
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