My cpu has 2 cores,but the System Profiler show 1 cores?

[elicip]

Before i apply the new Kernel 9.2.2,the System Profiler show 2 cores,and now it shows 1 cores.
But the Activity Monitor shows 2...Help!

http://img.skitch.com/20080417-j5t56nnr1kik2aihriw9steyd1.preview.jpg (http://skitch.com/leeiio/jsx8/picture-2)

http://img.skitch.com/20080417-k6gu14bra7wxbdy4xw37niejqa.preview.jpg (http://skitch.com/leeiio/jsxf/picture-1)

[bhast2]

yeah that will happen but both cores are working

[elicip]

@bhast2
will any problems happen?

[bhast2]

no you will be fine

[elicip]

but why must i boot my system with -f?