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Date: Sun, 06 Oct 2002 15:02:09 -0700
From: Andrew Morton <akpm@digeo.com>
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To: Thomas Molina <tmolina@cox.net>
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Subject: Re: 2.5.40:  problem with configuration system
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Thomas Molina wrote:
> 
> I was configuring a kernel for a rescue disk, so lots of things were not
> configured that normally would be.  At the end of the compile I get:
> 
> arch/i386/kernel/built-in.o: In function `MP_processor_info':
> arch/i386/kernel/built-in.o(.text.init+0x31ab): undefined reference to
> `Dprintk'

that's a bug in arch/i386/kernel/mpparse.c.  It doesn't have a
definition of Dprintk in scope on uniprocessor, non-IO-apic
builds.

Selecting io-apic-on-uniprocessor makes it go away.