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From: "Bryan K. Walton" <thisisnotmyid@tds.net>
To: Alan Cox <alan@lxorguk.ukuu.org.uk>
Cc: linux-kernel@vger.kernel.org
Subject: Re: problems with 1gb ddr memory sticks on linux
Date: Thu, 8 Aug 2002 11:39:52 -0500	[thread overview]
Message-ID: <20020808163952.GJ16225@weccusa.org> (raw)
In-Reply-To: <1028828840.28883.43.camel@irongate.swansea.linux.org.uk>

On Thu, Aug 08, 2002 at 06:47:20PM +0100, Alan Cox wrote:
> 
> Almost certainly a BIOS problem. What typically happens when you see
> this is that the BIOS misconfigured the MTRR registers. Linux starts
> from top of ram windows seems to start from bottom so the effect shows
> strongly in Linux.
> 
> Can you post your /proc/mtrr file please
> 
Here you go . . .

Dimm slot 1 = 256MB DDR PC2100 and
Dimm slot 2 = 1024MB DDR PC2100

and the /proc/mtrr shows:

casa:~# cat /proc/mtrr
reg00: base=0x00000000 (   0MB), size= 512MB: write-back, count=1 

Thanks,
Bryan

  reply	other threads:[~2002-08-08 16:36 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2002-08-08 16:04 Bryan K. Walton
2002-08-08 16:19 ` Kasper Dupont
2002-08-08 16:52 ` Richard B. Johnson
2002-08-08 17:47 ` Alan Cox
2002-08-08 16:39   ` Bryan K. Walton [this message]
2002-08-08 18:09     ` H. Peter Anvin
2002-08-08 19:46     ` Alan Cox
2002-08-08 19:56       ` Bryan K. Walton
2002-08-08 17:50 ` Mike Dresser

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