spurrious interrupt problem
jhb at FreeBSD.org
Thu Sep 2 12:44:29 PDT 2004
On Wednesday 01 September 2004 08:33 pm, Andrew Gallatin wrote:
> John Baldwin writes:
> > On Friday 27 August 2004 06:47 pm, Nate Lawson wrote:
> > > I don't see anything wrong with your acpi pci link routing. In fact,
> > > all your irqs are hardwired meaning acpi shouldn't touch them. This
> > > must be something with ioapic. (BTW, acpi is non-optional on amd64).
> > Talk to phk at . He had an opteron motherboard that had a busted BIOS that
> > left the links between PCI IRQs that are used in atpic mode setup even
> > when in apic mode so that you get 'alias' IRQs in apic mode. In his
> > case the vendor provided a BIOS update that fixed the issue.
> I had our onsite guy update the bios, but that ended up disabling USB.
> So its "fixed".. ;)
John Baldwin <jhb at FreeBSD.org> <>< http://www.FreeBSD.org/~jhb/
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