Xorg cannot see secondary or tertiary PCI bus?

[Ricardo Lugo]

Hi All,

I have recently decided to convert a PowerPC machine to a linux server  
since Leopard ran so slow on it, and have run into some problems with  
setting up Xorg due the apparently complicated PCI bus naming scheme.  
Here are my problems:

1) scanpci/pcitweak can't find any devices on the secondary or  
tertiary PCI buses

2) I can't figure out the BusID for my iTVC15 MPEG-2 Encoder (mainly  
because the bus is "0001:10")

Here's what lspci finds:

root at tube:/proc/bus/pci# lspci -tv
-+-[0002:20]-+-0b.0  Apple Computer Inc. UniNorth 2 Internal PCI
  |           +-0d.0  Apple Computer Inc. UniNorth 2 ATA/100
  |           +-0e.0  Apple Computer Inc. UniNorth 2 FireWire
  |           \-0f.0  Apple Computer Inc. UniNorth 2 GMAC (Sun GEM)
  +-[0001:10]-+-0b.0  Apple Computer Inc. UniNorth 2 PCI
  |           +-12.0  Silicon Image, Inc. SiI 3512 [SATALink/SATARaid]  
Serial ATA Controller
  |           +-13.0  Internext Compression Inc iTVC15 MPEG-2 Encoder
  |           +-14.0  VIA Technologies, Inc. VT82xxxxx UHCI USB 1.1  
Controller
  |           +-14.1  VIA Technologies, Inc. VT82xxxxx UHCI USB 1.1  
Controller
  |           +-14.2  VIA Technologies, Inc. USB 2.0
  |           +-15.0  Yamaha Corporation YMF-724F [DS-1 Audio  
Controller]
  |           +-17.0  Apple Computer Inc. KeyLargo Mac I/O
  |           +-18.0  Apple Computer Inc. KeyLargo USB
  |           \-19.0  Apple Computer Inc. KeyLargo USB
  \-[0000:00]-+-0b.0  Apple Computer Inc. UniNorth 2 AGP
              \-10.0  ATI Technologies Inc Radeon RV250 If [Radeon 9000]

And here's all that pcitweak (or scanpci or Xorg) finds (it only scans  
one bus):

root at tube:/proc/bus/pci# pcitweak -l
PCI: PCI scan (all values are in hex)
PCI: 00:0b:0: chip 106b,0034 card 0000,0000 rev 00 class 06,00,00 hdr 00
PCI: 00:10:0: chip 1002,4966 card 1002,4966 rev 00 class 03,00,00 hdr 00
PCI: End of PCI scan

Does anyone have any advice that might shed some light on this issue?

- Rick

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