From mboxrd@z Thu Jan  1 00:00:00 1970
From: Keith Owens <kaos@ocs.com.au>
Date: Sun, 17 Mar 2002 01:17:59 +0000
Subject: Re: Troubles booting sparc64 SMP 2.4.18 kernel
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To: ultralinux@vger.kernel.org

On Sun, 17 Mar 2002 11:11:32 +1100, 
Erik de Castro Lopo <nospam@mega-nerd.com> wrote:
>If I then take the working uni-processor kernel tree, switch
>on SMP support and then do 
>
>    make dep ; make clean ; make ; make modules ; 
>    make modules_install

You must make mrproper after switching SMP on/off.  Kernel build 2.4
does not correctly rebuild after changing CONFIG_SMP.