Date: Tue, 22 Nov 2005 17:16:56 -0500 From: John Baldwin <jhb@freebsd.org> To: freebsd-acpi@freebsd.org Subject: Re: [PATCH] Fix weird PCI bus numbers with pci_linkX Message-ID: <200511221716.57350.jhb@freebsd.org> In-Reply-To: <200511221543.18043.jhb@freebsd.org> References: <200511171725.27877.jhb@freebsd.org> <98968A23-2F26-4A01-801D-65C8731D71A7@club-internet.fr> <200511221543.18043.jhb@freebsd.org>
next in thread | previous in thread | raw e-mail | index | archive | help
On Tuesday 22 November 2005 03:43 pm, John Baldwin wrote: > On Tuesday 22 November 2005 03:03 pm, Mathieu Prevot wrote: > > Weird addresses disappeared. But I don't why I have invalid IRQ ... > > > > ... > > ACPI APIC Table: <VIAK8 AWRDACPI> > > ioapic0 <Version 0.3> irqs 0-23 on motherboard > > ... > > pcib0: <ACPI Host-PCI bridge> port 0xcf8-0xcff on acpi0 > > pci_link9: BIOS IRQ 11 for 0.16.INTA is invalid > > pci_link9: BIOS IRQ 5 for 0.16.INTB is invalid > > pci_link9: BIOS IRQ 10 for 0.16.INTC is invalid > > pci_link10: BIOS IRQ 10 for 0.17.INTC is invalid > > pci_link11: BIOS IRQ 11 for 0.18.INTA is invalid > > ... > > uhci0: <VIA 83C572 USB controller> port 0xd400-0xd41f irq 21 at > > device 16.0 on pci0 > > You are using an I/O APIC. In your ASL, your pci link resources get > different IRQs when using APIC than when not using APIC. The BIOS never > uses APIC mode, so it programs IRQs for each PCI device according to the > non-APIC (aka PIC) mode. The messages above mean that we found out during > the boot that the interrupt for 0.16.INTA (PCI bus 0, device (slot) 16, pin > A#) is routed via the pci_link9 device, and that the BIOS had set the IRQ > for that device to 11. However, when we switch over to APIC mode, then the > list of valid IRQs for that link device are something like 20, 21, 22, and > 23. The IRQ the BIOS used (11) isn't in that list, so we ignore it and > pick an IRQ out of the list (21 in this case). You don't need to worry > about these messages. I'll see if I can't shut them up in this case (BIOS > uses an ISA IRQ but this link device only has non-ISA IRQs). > > In fact, I've just whipped up a patch to shut these warnings up. It's > attached. Patch got killed apparently. You can fetch it from http://www.FreeBSD.org/~jhb/patches/acpi_pci_link.patch -- John Baldwin <jhb@FreeBSD.org> <>< http://www.FreeBSD.org/~jhb/ "Power Users Use the Power to Serve" = http://www.FreeBSD.org
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?200511221716.57350.jhb>