On Wed, Jul 16, 2008 at 8:44 PM, Jack Howarth <howarth@bromo.msbb.uc.edu> wrote:
quoted text
> YH,
>   Okay, I can confirm that 2.6.25.10 boots okay with pci=nommconf
> which does disable MMCONFIG. It also works fine by default with
> MMCONFIG enabled. So there may be two possibly unrelated problems
> in 2.6.26. The first being that MMCONFIG doesn't start up properly
> without your patch and the second being that with or without
> MMCONFIG, the boot process hangs just before when the line...
>
> PCI: Transparent bridge - 0000:00:1e.0

please set CONFIG_PCI_DEBUG in your .config and apply attach two patches

should get sth like

calling  acpi_pci_root_init+0x0/0x54
ACPI: PCI Root Bridge [PCI0] (0000:00)
PCI: Scanning bus 0000:00
PCI: Found 0000:00:00.0 [10de/005e] 000580 00
PCI: Found 0000:00:01.0 [10de/0051] 000601 00
pci 0000:00:01.0: calling nvidia_force_enable_hpet+0x0/0xe7
PCI: Found 0000:00:01.1 [10de/0052] 000c05 00
PCI: 0000:00:01.1 reg 10 io port: [ee00, ee1f]
PCI: 0000:00:01.1 reg 20 io port: [ed00, ed3f]
PCI: 0000:00:01.1 reg 24 io port: [ed40, ed7f]
PCI: Found 0000:00:02.0 [10de/005a] 000c03 00
PCI: 0000:00:02.0 reg 10 32bit mmio: [fdeff000, fdefffff]
PCI: Found 0000:00:02.1 [10de/005b] 000c03 00
PCI: 0000:00:02.1 reg 10 32bit mmio: [fdefec00, fdefecff]
PCI: Found 0000:00:06.0 [10de/0053] 000101 00

YH