Messages in this thread | | | From | Oliver Neukum <> | Subject | Re: question on odd APIC behavior | Date | Thu, 15 Nov 2007 16:27:25 +0100 |
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Am Donnerstag 15 November 2007 schrieb Maciej W. Rozycki: > On Thu, 15 Nov 2007, Oliver Neukum wrote: > > > is there a way to so misprogramm an APIC that a physical interrupt results > > in two interrupts delivered? > > Certainly. One possibility is to have multiple processors marked as the > destination, e.g. a logical delivery mode destination programmed with > multiple bits set.
What would be the consequences? I am seeing an interrupt for an UHCI on #20 CPU1 also arriving on #19 CPU0, triggering the spurious interrupt detection.
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