Re: Status of PCI domain support?

[Jeff Garzik <jgarzik@pobox.com>]

Greg KH wrote:
> On Fri, Dec 02, 2005 at 04:06:26PM -0500, Jeff Garzik wrote:
>
> > The lack of PCI domain support on x86-64 prevents me from seeing the 
> > following devices on the PCI bus:
> >
> > 61:04.0 RAID bus controller: Silicon Image, Inc. Adaptec AAR-1210SA SATA 
> > HostRAID Controller (rev 02)
> > 61:06.0 SCSI storage controller: LSI Logic / Symbios Logic 53c1030 PCI-X 
> > Fusion-MPT Dual Ultra320 SCSI (rev 07)
> > 61:06.1 SCSI storage controller: LSI Logic / Symbios Logic 53c1030 PCI-X 
> > Fusion-MPT Dual Ultra320 SCSI (rev 07)
> >
> > I get the following errors, unless I disable the BIOS option 'ACPI bus 
> > segmentation', which is enabled by default (and will be enabled on most 
> > future machines):
> >
> > Dec  2 10:40:18 localhost kernel: ACPI: PCI Root Bridge [PCI1] (0001:40)
> > Dec  2 10:40:18 localhost kernel: PCI: Multiple domains not supported
> > Dec  2 10:40:18 localhost kernel: ACPI: PCI Root Bridge [PCI2] (0002:80)
> > Dec  2 10:40:18 localhost kernel: PCI: Multiple domains not supported
> >
> > Full machine info was just posted in another message, subject 
> > "[2.6.15-rc4] oops in acpiphp".
> >
> > Is this a bug?  Is this expected behavior (not implemented yet)?  A 
> > jump-start on tracking this down would be appreciated.
>
>
> Based on the logic in arch/i386/pci/acpi.c (which is shared with
> x86-64), it's just not implemented yet at all.
>
> I don't know of anyone currently working on adding this support to this
> code, does anyone else?

Well, that's silly.  It should be implemented now.

	Jeff



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