SMP system not running SMP

[Pete French]

> Sun Fire X4100 dual opteron, Adaptec 2230 SLP PCI-X card attached to  
> 14-disk U320 disk array.  FreeBSD 6.0-REL.  Running non-stop since  
> January as a busy postgresql server.  I'm buying another one this  
> week since they're so stable.

Whats the motherboard and chipset ? The problem only seems to
happen on those 8111 / 8131 based boards - if it's one of those
and it runs then I'd be extremely interested!

-pete.