System freezes with smp kernel

[Todd Simi]

Hi,

I've moved my hard drive to a new Core 2 Duo system and it freezes (Panics) 
2 - 5 minutes after booting.  I get about a page of debugging info, but
the two lines that are understandable to me are

BUG: spinlock recursion on CPU#1, swapper/0 (not tainted)

BUG: warning at arch/i386/kernel/smp.c:540/smp_call_function() (not tainted)

My system is a

Core 2 Duo E6600 2.4Ghz
Asus P5W DH Deluxe
1GB Ram (Corsair PC-8000)
73GB WD Raptor

The system runs fine with the non-smp kernel

I'm trying to run vmlinuz-2.6.17-1.2187_FC5smp

Any ideas where to look first?

Thanks
Todd