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Date: Tue, 12 Jun 2012 03:23:48 -0700 (PDT)
From: Mahmood Naderan <nt_mahmood@yahoo.com>
Reply-To: Mahmood Naderan <nt_mahmood@yahoo.com>
Subject: Re: CPU MTRRs and linux kernel
To: Alan Cox <alan@lxorguk.ukuu.org.uk>
Cc: "linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>
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BIOS has the latest version. We bought it 2 weeks ago.

I have to say, the BIOS has an option, IOMMU. If it is disabled, in the boot log, there is a message that explicitly state you have to enable the IOMMU from BIOS.
After enabling that, in the boot log it doesn't comlain about IOMMU. However it says that warnning.
One thing that I want to know, is that if it is really a warnning, then there should be someway to bypass that.

I think this is related to OS (here kernel I think). However I am not sure.
~MN


----- Original Message -----
From: Alan Cox <alan@lxorguk.ukuu.org.uk>
To: Mahmood Naderan <nt_mahmood@yahoo.com>
Cc: "linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>
Sent: Tuesday, June 12, 2012 2:42 PM
Subject: Re: CPU MTRRs and linux kernel

On Tue, 12 Jun 2012 02:37:40 -0700 (PDT)
Mahmood Naderan <nt_mahmood@yahoo.com> wrote:

> Hi everybody,
> Abour rhis warnning in boot log:
> 
> WARNING: BIOS bug: CPU MTRRs don't cover all of memory, losing 61952MB of RAM

? ? ? ? ?? ^^^^^ Note what it says here

> Should I upgrade?

Your BIOS perhaps.
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