Re: Info: mapping multiple BARs. Your kernel is fine.

Stephane Eranian
2014-02-26T06:56:58Z

Hi,

On Tue, Feb 25, 2014 at 11:10 PM, Borislav Petkov <bp@alien8.de> wrote:
> On Tue, Feb 25, 2014 at 07:54:53PM +0100, Stephane Eranian wrote:
>
>> I am on tip.git at cfbf8d4 Linux 3.14-rc4.
>> and I don't see the problem (using Ubuntu Saucy).
>
> Also IVB, model 58?
>
Yes.

>> Given what you commented out, it seems like you're saying
>> something goes wrong with pci_get_device().
>
> Probably. I'll add some debug printk's tomorrow to shed some more light
> on the matter.
>
>> Am I missing some pm callbacks?
>
> Dunno. What do you mean by "pm callbacks" exactly? I don't know that
> code so I have to ask.
>
power management callbacks.

>> The uncore IMC is not used internally.
>
> By IMC I'm assuming this PIC dev:
>
> #define PCI_DEVICE_ID_INTEL_IVB_IMC 0x0154
>
> ?
>
Yes. Needs to point to the DRAM controller.

> And "internally" means by BIOS or something behind the curtains like
> SMM...?
>
I meant by the kernel.