<div>hi</div> <div>I am working on powerpc(Mpc860T) with linux-2.4 kernnel,<BR>As I am developping application using spi and with irqs: <BR>For each one millisec I am getting siu interrupt,In the <BR>interrupt handler I have to load frequency(using spi communication)<BR>I am able to write it (I am able load the frequency also)</div> <div>All other interrupts I am using are cpm interrupts(smc2.timer2,spi),one <BR>siu interrupt for the present ,<BR>I am facing the following problems:<BR>1.system rebooting: case-if i tried to write continuously to externel hardware through spi ,in externel (siu)intrrupt handler,and timer2(cpm)intrrupt handler,<BR>2. if I limited number of times of write to hardware system not getting rebooted.</div> <div><BR> I observed that the problem occured due to passing of control signals to externel hardware (those are memory mapped signals) in irqs.how can i solve this with getting rebooted.<BR> thanks to
all ...</div> <div>Bharathi</div><p> 
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