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[ts-7000] Re: 128M memory instaled, but 95 available

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Subject: [ts-7000] Re: 128M memory instaled, but 95 available
From: "charliem_1216" <>
Date: Wed, 01 Apr 2009 00:45:52 -0000
Hi Adriano --

--- In  "Adriano Naspolini" <> wrote:
>
> Hi all,
> 
> I'm developing an application using TS-7390 and, to increase speed, I decided 
> to bought 128M memory boards.
> However, after receiving them, I noticed they're not 128M, but only ~94. 
> Asking Technologic Systems about the problem, they answered:
> 
> "It is a problem with Linux 2.6 -- if you examine dmesg you will see that 
> 128MB are recognized but only 96MB are made available.

Can you post a bootlog from dmesg?  Do you know how the RAM banks are laid out?

> We are going to look into it.  If you find anything in the kernel that you 
> think might be the source of the problem please let us know."
> 
> As it was 20 days ago, I'm trying to find out a solution here...

Are you set up to build & run a custom kernel?  If so, I suggest that you try a 
later 2.6 kernel using Mathieu's patchset (search the archive).  In very recent 
(2.6.29-rc's) I've been using sparsemem, which may help here, although perhaps 
not, if your TS kernel is finding all the RAM but not using all of it.

regards, ......... Charlie

> 
> So, does anyone had the same problem? Is it really a linux bug?
> 
> Thank you and regards.
> 
> Adriano
>




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