Messages in this thread Patches in this message | | | Date | Wed, 16 Jul 2008 21:13:28 -0700 | From | "Yinghai Lu" <> | Subject | Re: 2.6.26-rc9-git9 doesn't boot on Macintel |
| |
On Wed, Jul 16, 2008 at 8:44 PM, Jack Howarth <howarth@bromo.msbb.uc.edu> wrote: > 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 Index: linux-2.6/drivers/pci/setup-bus.c =================================================================== --- linux-2.6.orig/drivers/pci/setup-bus.c +++ linux-2.6/drivers/pci/setup-bus.c @@ -537,6 +537,36 @@ void __ref pci_bus_assign_resources(stru } EXPORT_SYMBOL(pci_bus_assign_resources); +static void pci_bus_dump_res(struct pci_bus *bus) +{ + int i; + + for (i = 0; i < PCI_BUS_NUM_RESOURCES; i++) { + struct resource *res = bus->resource[i]; + if (!res) + continue; + + printk(KERN_INFO "bus: %02x index %x %s: [%llx, %llx]\n", bus->number, i, (res->flags & IORESOURCE_IO)? "io port":"mmio", res->start, res->end); + } +} + +static void pci_bus_dump_resources(struct pci_bus *bus) +{ + struct pci_bus *b; + struct pci_dev *dev; + + + pci_bus_dump_res(bus); + + list_for_each_entry(dev, &bus->devices, bus_list) { + b = dev->subordinate; + if (!b) + continue; + + pci_bus_dump_resources(b); + } +} + void __init pci_assign_unassigned_resources(void) { @@ -552,4 +582,9 @@ pci_assign_unassigned_resources(void) pci_bus_assign_resources(bus); pci_enable_bridges(bus); } + + /* dump the resource on buses */ + list_for_each_entry(bus, &pci_root_buses, node) { + pci_bus_dump_resources(bus); + } }Index: linux-2.6/drivers/pci/probe.c =================================================================== --- linux-2.6.orig/drivers/pci/probe.c +++ linux-2.6/drivers/pci/probe.c @@ -275,6 +275,7 @@ static void pci_read_bases(struct pci_de } res->start = l64 & PCI_BASE_ADDRESS_MEM_MASK; res->end = res->start + sz64; + printk(KERN_INFO "PCI: %s reg %x 64bit mmio: [%llx, %llx]\n", pci_name(dev), reg, res->start, res->end); #else if (sz64 > 0x100000000ULL) { printk(KERN_ERR "PCI: Unable to handle 64-bit " @@ -290,6 +291,8 @@ static void pci_read_bases(struct pci_de res->end = sz; } #endif + } else { + printk(KERN_INFO "PCI: %s reg %x %s: [%llx, %llx]\n", pci_name(dev), reg, (res->flags & IORESOURCE_IO)? "io port":"32bit mmio", res->start, res->end); } } if (rom) { @@ -357,6 +360,7 @@ void __devinit pci_read_bridge_bases(str res->start = base; if (!res->end) res->end = limit + 0xfff; + printk(KERN_INFO "PCI: bridge %s io port: [%llx, %llx]\n", pci_name(dev), res->start, res->end); } res = child->resource[1]; @@ -368,6 +372,7 @@ void __devinit pci_read_bridge_bases(str res->flags = (mem_base_lo & PCI_MEMORY_RANGE_TYPE_MASK) | IORESOURCE_MEM; res->start = base; res->end = limit + 0xfffff; + printk(KERN_INFO "PCI: bridge %s 32bit mmio: [%llx, %llx]\n", pci_name(dev), res->start, res->end); } res = child->resource[2]; @@ -402,6 +407,7 @@ void __devinit pci_read_bridge_bases(str res->flags = (mem_base_lo & PCI_MEMORY_RANGE_TYPE_MASK) | IORESOURCE_MEM | IORESOURCE_PREFETCH; res->start = base; res->end = limit + 0xfffff; + printk(KERN_INFO "PCI: bridge %s %sbit mmio pref: [%llx, %llx]\n", pci_name(dev), (res->flags & PCI_PREF_RANGE_TYPE_64)?"64":"32",res->start, res->end); } } | |