linux-kernel - Re: APEI: Can not request iomem region for GARs

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Message-ID: <4E5AE82E.6000807@intel.com>
Date:	Mon, 29 Aug 2011 09:15:26 +0800
From:	Huang Ying <ying.huang@...el.com>
To:	Pavel Ivanov <paivanof@...il.com>
CC:	Bjorn Helgaas <bhelgaas@...gle.com>,
	linux-kernel <linux-kernel@...r.kernel.org>,
	"linux-acpi@...r.kernel.org" <linux-acpi@...r.kernel.org>
Subject: Re: APEI: Can not request iomem region for GARs

Hi, Pavel,

On 08/27/2011 11:28 AM, Pavel Ivanov wrote:
> Huang,
> 
> I can confirm that new patch got rid of the old error message but
> introduced a new one:
> 
> ERST: Failed to get Error Log Address Range

Please try the attached patch to find why there is the error message.

> Also I noticed there's another suspicious message in dmesg and it was
> there earlier too (although it's not shown on console):
> 
> GHES: Failed to enable APEI firmware first mode
> 
> Is it bad? What does it mean?

It means you may receive a unknown NMI without GHES error record for
some detected hardware error.

Best Regards,
Huang Ying

View attachment "dbg_erst_erange.patch" of type "text/x-patch" (768 bytes)