John Baldwin b25fc07f53 At least one BIOS bogusly includes duplicate entries for I/O APICs. The
bogus entries have a starting IRQ that is invalid (> 255, so won't fit
into a PCI intline config register).  It had the side effect of breaking
MSI by "claiming" several IRQs in the MSI range.  Fix this by ignoring such
I/O APICs.

MFC after:	2 weeks
2009-03-05 16:03:44 +00:00
..
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