realview_timer_interrupt( ) problem

Hi guys,

I am running the kernel 2.6.21 on my realview_eb system

I got problem at the realview_timer_interrupt():
this interrupt routine is executed 4 times, during one os timer interval.
which means even the real interrupt doesn't happen, the interrupt
routine is still executed.
anyone have any idea where might be the problem?

I have tried a lot but still no idea.

regards,

Yang
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