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</o:shapelayout></xml><![endif]--></head><body lang=EN-US link=blue vlink=purple><div class=WordSection1><p class=MsoNormal><font size=2 face=Verdana><span style='font-size:11.0pt;font-family:"Verdana","sans-serif"'>>IRQ 177 nobody cared (try booting with the irqpoll option)<o:p></o:p></span></font></p><p class=MsoNormal><font size=2 face=Verdana><span style='font-size:11.0pt;font-family:"Verdana","sans-serif"'>>report bad irq, references CPU idle<o:p></o:p></span></font></p><p class=MsoNormal><b><i><font size=2 face=Verdana><span style='font-size:11.0pt;font-family:"Verdana","sans-serif";font-weight:bold;font-style:italic'><o:p> </o:p></span></font></i></b></p><p class=MsoNormal><font size=2 face=Verdana><span style='font-size:11.0pt;font-family:"Verdana","sans-serif"'>>I'm assuming what is happening here is the USB controller and the add-on E1000 controller we put in are having an old school IRQ conflict, the question is why and how can I avoid it?<o:p></o:p></span></font></p><p class=MsoNormal><font size=2 face=Verdana><span style='font-size:11.0pt;font-family:"Verdana","sans-serif"'><br>IRQ177 means you are using APIC, which gives you over 250 interrupts – far more than there were in the olden days. There should be enough that nothing has to share IRQs.<o:p></o:p></span></font></p><p class=MsoNormal><font size=2 face=Verdana><span style='font-size:11.0pt;font-family:"Verdana","sans-serif"'><o:p> </o:p></span></font></p><p class=MsoNormal><font size=2 face=Verdana><span style='font-size:11.0pt;font-family:"Verdana","sans-serif"'>But even before APIC came along, devices had gotten pretty good at sharing IRQs. <o:p></o:p></span></font></p><p class=MsoNormal><font size=2 face=Verdana><span style='font-size:11.0pt;font-family:"Verdana","sans-serif"'><o:p> </o:p></span></font></p><p class=MsoNormal><font size=2 face=Verdana><span style='font-size:11.0pt;font-family:"Verdana","sans-serif"'>As someone suggested, disable the Plug and Play option in the bios. Try a different brand of Ethernet card?<o:p></o:p></span></font></p></div></body></html>