Re: SCSI behind PCIE bridge only detected using pci=noacpi

[Shaohua Li <shaohua.li@intel.com>]

Thomas Renninger wrote:
> Should this work or is this really not supported via ACPI?
> 
> I expect this is the relevant output:
> 
> ACPI: PCI Root Bridge [PCI1] (0001:40)
> PCI: Multiple domains not supported
> ACPI Error (pci_root-0279): Bus 0001:40 not present in PCI 
> namespace<7>Losing some ticks... checking if CPU frequency changed.
> 
>  [20060127]
> ACPI Exception (pci_bind-0156): AE_NOT_FOUND, Invalid ACPI-PCI context 
> for parent device PCI1 [20060127]
> ACPI Exception (pci_bind-0156): AE_NOT_FOUND, Invalid ACPI-PCI context 
> for parent device PCI1 [20060127]
> ACPI: PCI Root Bridge [PCI2] (0002:80)
> PCI: Multiple domains not supported
> ACPI Error (pci_root-0279): Bus 0002:80 not present in PCI namespace 
> [20060127]
> ACPI Exception (pci_bind-0156): AE_NOT_FOUND, Invalid ACPI-PCI context 
> for parent device PCI2 [20060127]
> ACPI Exception (pci_bind-0156): AE_NOT_FOUND, Invalid ACPI-PCI context 
> for parent device PCI2 [20060127]
> 
> With pci=noacpi the SCSI disk/controller works fine.
> Without even the controller is not recognised.
IIRC, -mm tree has the x86 multiple domains support patch. Without that
patch all pci devices of non-zero domains can't be found.

Thanks,
Shaohua