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Date: Fri, 24 Apr 2009 14:47:18 -0400 (EDT)
From: Len Brown <lenb@kernel.org>
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To: =?ISO-8859-15?Q?Rog=E9rio_Brito?= <rbrito@ime.usp.br>
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Subject: Re: [2.6.30-rc3][Regression] Compilation failure
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> I'm trying to compile a new kernel for a x86_64 computer using Debian's
> sid userland and I'm getting the following error:

> (.text+0x87d2e): undefined reference to `acpi_video_register'

try this:

http://patchwork.kernel.org/patch/19821/

thanks,
Len Brown, Intel Open Source Technology Center