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    SubjectRe: Regression with commit f9cde5f in 2.6.30-gitX
    On Wed, Jun 24, 2009 at 09:27:48PM +0530, Jaswinder Singh Rajput wrote:
    > On Wed, 2009-06-24 at 17:19 +0200, Thomas Gleixner wrote:
    > > Larry,
    > >
    > > On Wed, 24 Jun 2009, Larry Finger wrote:
    > > > For the record, the printout from the patch results in the following:
    > > >
    > > > PCI: Failed to allocate 0xd0000-0xd3fff from PCI mem for PCI Bus 0000:00
    > > > PCI: Failed to allocate 0xec000-0xeffff from PCI mem for PCI Bus
    > > > 0000:00 due to _CRS returning more than 13 resource descriptors
    > > > PCI: Failed to allocate 0xf0000-0xfffff from PCI mem for PCI Bus
    > > > 0000:00 due to _CRS returning more than 13 resource descriptors
    > > > PCI: Failed to allocate 0xc0000000-0xfebfffff from PCI mem for PCI Bus
    > > > 0000:00 due to _CRS returning more than 13 resource descriptors
    > >
    > > can you please the patch below instead of the other one ?
    > >
    > > Thanks,
    > >
    > > tglx
    > > ---
    > > diff --git a/arch/x86/pci/acpi.c b/arch/x86/pci/acpi.c
    > > index 16c3fda..39a0cce 100644
    > > --- a/arch/x86/pci/acpi.c
    > > +++ b/arch/x86/pci/acpi.c
    > > @@ -99,7 +99,6 @@ setup_resource(struct acpi_resource *acpi_res, void *data)
    > > "%d resource descriptors\n", (unsigned long) res->start,
    > > (unsigned long) res->end, root->name, info->name,
    > > max_root_bus_resources);
    > > - info->res_num++;
    > > return AE_OK;
    > > }
    > >
    >
    > This fails and system does not boot, I already tested this patch 8 hours
    > ago.

    I think the resource array needs to be larger. Can you try
    the below patch?

    Gary

    --- linux-2.6.30-rc8/include/linux/pci.h.ORIG 2009-06-24 09:03:41.000000000 -0700
    +++ linux-2.6.30-rc8/include/linux/pci.h 2009-06-24 09:06:50.000000000 -0700
    @@ -319,7 +319,7 @@ static inline void pci_add_saved_cap(str
    }

    #ifndef PCI_BUS_NUM_RESOURCES
    -#define PCI_BUS_NUM_RESOURCES 16
    +#define PCI_BUS_NUM_RESOURCES 20
    #endif

    #define PCI_REGION_FLAG_MASK 0x0fU /* These bits of resource flags tell us the PCI region flags */

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