<div><blockquote class="gmail_quote" style="border-left: 1px solid rgb(204, 204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;">Thats right. I have never seen a shared IRQ with Dell servers using<br>APIC. A RHL ES3 by default enables APIC so I have never even had to
<br>fiddle around with it.<br></blockquote></div><br>Possibly because you are using virtual IRQs... hence none of them appear to be shared in Linux. Check the BIOS to see what's really going on. Also, it seems Dell has only started doing this with their newer servers. The older ones (even up to a few months ago it would seem) didn't share IRQs this bad.
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