Date: Wed, 1 Sep 2004 20:33:14 -0400 (EDT) From: Andrew Gallatin <gallatin@cs.duke.edu> To: John Baldwin <jhb@FreeBSD.org> Cc: freebsd-current@FreeBSD.org Subject: Re: spurrious interrupt problem Message-ID: <16694.27210.415965.951382@grasshopper.cs.duke.edu> In-Reply-To: <200409011632.59507.jhb@FreeBSD.org> References: <412FB9FC.8030505@root.org> <200409011632.59507.jhb@FreeBSD.org>
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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@. 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".. ;) Drew
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