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

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Date:	Tue, 25 Feb 2014 23:10:28 +0100
From:	Borislav Petkov <bp@...en8.de>
To:	Stephane Eranian <eranian@...gle.com>
Cc:	"H. Peter Anvin" <hpa@...or.com>,
	lkml <linux-kernel@...r.kernel.org>,
	Peter Zijlstra <a.p.zijlstra@...llo.nl>,
	Paul Mackerras <paulus@...ba.org>,
	Arnaldo Carvalho de Melo <acme@...stprotocols.net>,
	x86 <x86@...nel.org>, Daniel Vetter <daniel.vetter@...ll.ch>,
	Jani Nikula <jani.nikula@...ux.intel.com>,
	David Airlie <airlied@...ux.ie>,
	intel-gfx@...ts.freedesktop.org, dri-devel@...ts.freedesktop.org,
	Jiri Kosina <jkosina@...e.cz>
Subject: Re: Info: mapping multiple BARs. Your kernel is fine.

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?

> 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.

> The uncore IMC is not used internally.

By IMC I'm assuming this PIC dev:

#define PCI_DEVICE_ID_INTEL_IVB_IMC     0x0154

?

And "internally" means by BIOS or something behind the curtains like
SMM...?

-- 
Regards/Gruss,
    Boris.

Sent from a fat crate under my desk. Formatting is fine.
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