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

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Message-ID: <20140227102722.GD18191@pd.tnic>
Date:	Thu, 27 Feb 2014 11:27:22 +0100
From:	Borislav Petkov <bp@...en8.de>
To:	Stephane Eranian <eranian@...gle.com>
Cc:	"Rafael J. Wysocki" <rjw@...ysocki.net>,
	"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 Thu, Feb 27, 2014 at 11:12:32AM +0100, Stephane Eranian wrote:
> My Lenovo IVB is like yours. But I tried on my SandyBridge desktop and
> there to BAR is at a completely different address. Same thing on my
> Haswell desktop system.

Hrrm, I'd like to see what Rafael finds out, whether what we're reading
from PCI config space is even sane.

> As a asides, my SNB and HSW desktops with 3.14-rc4 are totally
> unstable. They hang if I type make in my kernel tree. Whereas 3.14-rc3
> is stable. I am not so sure this is all related to the uncore IMC
> support, though.

Easy to test - just disable the uncore thing.

-- 
Regards/Gruss,
    Boris.

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