Re: Strange memory problem with Linux booted from U-Boot

From: Ara Avanesyan
Date: Thu Mar 31 2005 - 08:41:47 EST


> On Mon, Mar 28, 2005 at 07:57:52PM +0500, Ara Avanesyan wrote:
> > Hi,
> >
> > I need some help on solving this strange problem.
> > Here is what I have,
> > I have a loadable module (linux.2.4.20) which contains a 2 mb static
gloabal
> > array.
> > When I load it from linux booted via U-Boot the system crashes.
> > Everything works ok if I do the same thing with the same linux booted
with
> > RedBoot.
>
> As usual for such problems, check how different firmware configure
> memory controller, etc. Get dump of relevant chip registers under
> U-Boot and RedBoot and compare them.
>
> Other possible problem area can be firmware -> kernel interface. I'm
> not familiar with that particular chip and RedBoot, but it's not
> uncommon for different firmware to have different conventions for the
> environment in which kernel starts execution.
>
> I'd recommend posting to the specific mail-lists, lkml doesn't seem
> a good place for embedded and firmware related questions :)
>
> --
> Eugene
>

Eugene,

Thanks for your response and ideas.
Actually the problem is concerning to linux part as the same code works fine
within U-Boot as I posted before. This is why I asked lkml for help what
might
cause this behaviour.

__
Thanks,
Ara

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