Re: [PATCH] move the kernel to 16MB for NUMA-Q

[Andrew Morton <akpm@linux-foundation.org>]

On Mon, 11 Jun 2007 15:32:10 +0100 Andy Whitcroft <apw@shadowen.org> wrote:

> 
> We are seeing corruption of the decompressed kernel.  It is suspected
> that this is platform specific as it has yet to be seen on any
> other x86.  Move the kernel to the 16MB boundary.
> 
> Signed-off-by: Andy Whitcroft <apw@shadowen.org>
> ---
> diff --git a/arch/i386/Kconfig b/arch/i386/Kconfig
> index 7e1950f..89e6bf4 100644
> --- a/arch/i386/Kconfig
> +++ b/arch/i386/Kconfig
> @@ -817,6 +817,7 @@ config CRASH_DUMP
>  
>  config PHYSICAL_START
>  	hex "Physical address where the kernel is loaded" if (EMBEDDED || CRASH_DUMP)
> +	default "0x1000000" if X86_NUMAQ
>  	default "0x100000"
>  	help
>  	  This gives the physical address where the kernel is loaded.

grumble.  If it's a BIOS bug then OK.  But if it is indeed a kernel bug
then this patch didn't make it go away and it shall return to haunt us.

Oh well.  Let's hope that the bug (if it is such) will turn up on something
which is less debugging-hostile than a NUMAQ.

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