[asterisk-users] How to debug this specific issue?

[Matt Riddell]

On 24/08/10 4:42 AM, Steve Davies wrote:
> Hi,
>
> I am happy with the usual GDB backtrace methods and so forth, but have
> an issue that I cannot work out how to trace on 1.6.2.10.
>
> If I use either the Bridge() app, or the manager Action: Bridge() in a
> certain scenario (Basically to bridge 2 SIP channels, like an attended
> transfer, resulting in 2 other SIP channels being discarded) then the
> whole server locks solid. The console stops, the network stops,
> something is hammering the box and nothing (including debug tools)
> seem to be able to do anything about it.
>
> If I 'nice' asterisk to lowest priority, and 'nice' a copy of 'top' to
> highest priority, everything still locks. After a short period, the
> box recovers, seemingly due to the 60 second RTP timer. Anything that
> was being logged is lost.

Do you have high priority enabled in asterisk.conf?

Are you using DAHDI?  (maybe kernel not happy)

I really thought that the canary should have sounded if Asterisk got in 
a loop - or maybe that only happens with high priority?

-- 
Cheers,

Matt Riddell
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