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Date: Fri, 31 Aug 2007 19:37:27 +0200
From: Sam Ravnborg <sam@ravnborg.org>
To: Stefano Esposito <ragnarok@email.it>
Cc: linux-kernel@vger.kernel.org
Subject: Re: Failed to build latest git revision
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References: <20070831141957.d60c209a.ragnarok@email.it>
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On Fri, Aug 31, 2007 at 02:19:57PM +0200, Stefano Esposito wrote:
> I've just git pull git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6.git
> 
> after 
> $ make clean
> $ make menuconfig
> 
> make fails with: 
> $ make
> scripts/kconfig/conf -s arch/i386/Kconfig
> 
> *** Error during writing of the kernel configuration.

Looks like you lack write access to either .config, include/config/auto.conf or
a temporary file.
Did you build the kernel as root previously?

To clean up all files you can do:
copy .config save.config
make mrproper
mv save.confif .config

(And I use copy when backing up .config to avoid inherit
permissions from original .config file

	Sam