[asterisk-users] Zaptel timer on Intel Dual Core servers

[Benny Amorsen]

Johansson Olle E <oej at edvina.net> writes:

> Friends,
>
> I'm having severe problems with zaptel timers on Intel Dual Core  
> systems with SMP code enabled. Ztdummy, zaptel connected to Digium TDM  
> or PRI cards - all ends up with large timer probems - zttest going  
> down to 50% accuracy on some systems, even to -1 on ztdummy systems  
> and voice quality is no more.  A restart is the only way to get back  
> to a working system.

It's a bit difficult to guess what is wrong. You may want to look at
which kernel version you use, and the options used.

Perhaps trying maxcpus=1 on the SMP kernel would be interesting.


/Benny