Messages in this thread | | | From | "Charles Martin" <> | Subject | RE: interrupts across PCI bridge(s) not handled | Date | Mon, 3 Nov 2003 13:29:25 -0700 |
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> -----Original Message----- > From: Linus Torvalds [mailto:torvalds@osdl.org] > Sent: Monday, November 03, 2003 1:23 PM > To: Charles Martin > Cc: linux-kernel@vger.kernel.org; martinc@atd.ucar.edu > Subject: RE: interrupts across PCI bridge(s) not handled > > > > On Mon, 3 Nov 2003, Charles Martin wrote: > > > > I enabled APIC_DEBUG, and here is the dmesg output. > > Hmm.. > > The MP tables mention IRQ's up to 51, but no further. > > But the PIRQ routing tables talk about irqs 92-95 for bus 6. > > It really looks like the IRQ routing entries are just broken. One > potential fix is to enable ACPI, and hope that the ACPI irq > routing isn't > as broken as the PIRQ stuff. > > Other than that I don't see anything we can do. Anybody else? > > Linus > >
I do notice that bus #6, which is the backplane extender, has an APIC id of 0, but an APIC #0 was not enumerated. All other buses get assigned to the identified APICs of 8, 9 and 10.
Charlie
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