Date: Thu, 2 Sep 2004 14:17:03 -0400 From: John Baldwin <jhb@FreeBSD.org> To: Andrew Gallatin <gallatin@cs.duke.edu> Cc: freebsd-current@FreeBSD.org Subject: Re: spurrious interrupt problem Message-ID: <200409021417.03152.jhb@FreeBSD.org> In-Reply-To: <16694.27210.415965.951382@grasshopper.cs.duke.edu> References: <412FB9FC.8030505@root.org> <200409011632.59507.jhb@FreeBSD.org> <16694.27210.415965.951382@grasshopper.cs.duke.edu>
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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@. 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".. ;) Ouch. :-P -- John Baldwin <jhb@FreeBSD.org> <>< http://www.FreeBSD.org/~jhb/ "Power Users Use the Power to Serve" = http://www.FreeBSD.org
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