linux-kernel - Re: Current git fails to compile on AMD64 for three days in a row

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Message-ID: <20070511090636.GQ2012@bingen.suse.de>
Date:	Fri, 11 May 2007 11:06:36 +0200
From:	Andi Kleen <ak@...e.de>
To:	Florin Iucha <florin@...ha.net>
Cc:	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Vivek Goyal <vgoyal@...ibm.com>, Andi Kleen <ak@...e.de>,
	Andrew Morton <akpm@...ux-foundation.org>
Subject: Re: Current git fails to compile on AMD64 for three days in a row

On Thu, May 10, 2007 at 10:16:43AM -0500, Florin Iucha wrote:
> I just pulled the current git (de5603748af8bf7deac403e6ba92887f8d18e812)
> and tried to compile it on my AMD64 box, to test Chuck's RPC fix.  It
> fails:
> 
>    arch/x86_64/kernel/head64.c: In function ???x86_64_start_kernel???:
>    arch/x86_64/kernel/head64.c:70: error: size of array ???type name??? is negative
> 
> It is failing in the same way since Monday.

It's a BUILD_BUG_ON -- your relocatable base address in CONFIG 
needs to be a multiple of 2MB as documented.

There is a patch floating around to turn this into an #error which
might be more clear.
-Andi
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