linux-kernel - Re: Case: 7454422: Re: Kernel 2.6.21.3 does not work with 8GB of RAM on Intel 965WH motherboards. (FULL DMESG)

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Date:	Wed, 30 May 2007 20:57:41 -0400
From:	"Parag Warudkar" <parag.warudkar@...il.com>
To:	"Robert Hancock" <hancockr@...w.ca>, jpiszcz@...idpixels.com,
	linux-kernel@...r.kernel.org
Subject: Re: Case: 7454422: Re: Kernel 2.6.21.3 does not work with 8GB of RAM on Intel 965WH motherboards. (FULL DMESG)

Robert Hancock wrote:


> 0-3319MB
> 4096-8832MB
>
> leaving 64MB of memory at the top of RAM uncached. What do you want to
> bet that something important (kernel code?) is getting loaded there..
>
> So essentially it's a BIOS problem, it's not setting up the MTRRs
> properly in order to map all of RAM as cacheable. As Andi says, complain
> to Intel.
>

Could the BADRAM patch be useful for him?
http://rick.vanrein.org/linux/badram/download.html has 2.6.21 version.
It says it supports x86_64. May be using this patch he can exclude
that RAM from being used/accessed?

Parag
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