Messages in this thread Patches in this message | | | Date | Sun, 15 Jun 2008 12:18:42 -0700 | From | "Yinghai Lu" <> | Subject | Re: [Bug 10872] x86_64 boot hang when CONFIG_NUMA=n |
| |
On Sun, Jun 15, 2008 at 9:35 AM, Randy Dunlap <randy.dunlap@oracle.com> wrote: > On Sat, 14 Jun 2008 22:12:04 +0200 (CEST) Rafael J. Wysocki wrote: > >> This message has been generated automatically as a part of a report >> of recent regressions. >> >> The following bug entry is on the current list of known regressions >> from 2.6.25. Please verify if it still should be listed. >> >> >> Bug-Entry : http://bugzilla.kernel.org/show_bug.cgi?id=10872 >> Subject : x86_64 boot hang when CONFIG_NUMA=n >> Submitter : Randy Dunlap <randy.dunlap@oracle.com> >> Date : 2008-06-05 21:50 (10 days old) >> References : http://marc.info/?l=linux-kernel&m=121270308607116&w=4 >> http://lkml.org/lkml/2008/6/11/355 >> Handled-By : Yinghai Lu <yhlu.kernel@gmail.com> > > Yes, still happens for me on 2.6.26-rc6-git2. >
please send out whole boot log with numa on and numa off and boot with debug
please apply attached debug patch too.
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); } } | |