Bug#471460: asterisk: 100% CPU usage spikes

[Tzafrir Cohen]

On Tue, Mar 18, 2008 at 11:57:09AM +0000, Ben Thompson wrote:
> Package: asterisk
> Version: 1:1.4.17~dfsg-2+b1
> Severity: important
> 
> 
> Hi
> 
> I recenlty upgraded my asterisk system from etch to lenny and I am now experiencing
> a problem where the system will periodically hang for a few seconds then recover.
> I can't see anything unusual from the CLI, all that happens is asterisk will randomly
> start to comsume 100% of the CPU and after around 10 seconds will return to normal.
> When it happens I usually see a number of "peer unreachable" messages, but that's about it.
> I am running out of time to debug this as my users need a stable system so I should really
> be reverting back to etch, but if there is anything I can do to debug this in the next day or so,
> let me know what to do and I will try it.

Is this related to some DNS problems?

Are those peers IAX or SIP peers?


The first thing to debug this would be more aggressive logging and more
verbose / debug, I guess. Enable the "full" log and use: 

  asterisk -rvvvvvddddd

to enable some more messages to be generated.

-- 
               Tzafrir Cohen
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