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

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Message-ID: <744357E9AAD1214791ACBA4B0B9092630128A097@SHSMSX101.ccr.corp.intel.com>
Date:	Wed, 16 Apr 2014 20:24:56 +0000
From:	"Zhang, Rui" <rui.zhang@...el.com>
To:	Borislav Petkov <bp@...en8.de>,
	Bjorn Helgaas <bhelgaas@...gle.com>,
	"Rafael J. Wysocki" <rjw@...ysocki.net>
CC:	"Lu, Aaron" <aaron.lu@...el.com>,
	lkml <linux-kernel@...r.kernel.org>,
	"x86@...nel.org" <x86@...nel.org>,
	Linux PCI <linux-pci@...r.kernel.org>,
	ACPI Devel Maling List <linux-acpi@...r.kernel.org>,
	Yinghai Lu <yinghai@...nel.org>,
	"H. Peter Anvin" <hpa@...or.com>,
	Stephane Eranian <eranian@...gle.com>,
	"Yan, Zheng Z" <zheng.z.yan@...el.com>
Subject: RE: Info: mapping multiple BARs. Your kernel is fine.



> -----Original Message-----
> From: Borislav Petkov [mailto:bp@...en8.de]
> Sent: Wednesday, April 16, 2014 12:04 PM
> To: Bjorn Helgaas; Rafael J. Wysocki
> Cc: Zhang, Rui; Lu, Aaron; lkml; x86@...nel.org; Linux PCI; ACPI Devel
> Maling List; Yinghai Lu; H. Peter Anvin; Stephane Eranian; Yan, Zheng Z
> Subject: Re: Info: mapping multiple BARs. Your kernel is fine.
> Importance: High
> 
> On Thu, Mar 20, 2014 at 02:48:30PM -0600, Bjorn Helgaas wrote:
> > Right.  Even if we had this long-term solution, we'd still have
> > Stephane's current problem, because the PNP0C02 _CRS is still wrong.
> >
> > We do have a drivers/pnp/quirks.c where we could conceivably adjust
> > the PNP resource if we found the matching PCI device and MCHBAR.
> That
> > should solve Stephane's problem even with the current
> > drivers/pnp/system.c.
> 
> Guys, this still triggers in -rc1. Do we have a fix or something
> testable at least?
> 
Could you please attach the dmesg output after a fresh boot in -rc1?

Thanks,
rui
> Thanks.
> 
> --
> Regards/Gruss,
>     Boris.
> 
> Sent from a fat crate under my desk. Formatting is fine.
> --